diff options
Diffstat (limited to 'erts/emulator/beam')
70 files changed, 2464 insertions, 1273 deletions
diff --git a/erts/emulator/beam/atom.c b/erts/emulator/beam/atom.c index 2b5ad097a0..2055c29190 100644 --- a/erts/emulator/beam/atom.c +++ b/erts/emulator/beam/atom.c @@ -233,10 +233,10 @@ need_convertion: } /* - * erts_atom_put() may fail. If it fails THE_NON_VALUE is returned! + * erts_atom_put_index() may fail. Returns negative indexes for errors. */ -Eterm -erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) +int +erts_atom_put_index(const byte *name, int len, ErtsAtomEncoding enc, int trunc) { byte utf8_copy[MAX_ATOM_SZ_FROM_LATIN1]; const byte *text = name; @@ -253,7 +253,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) if (trunc) tlen = 0; else - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; } switch (enc) { @@ -262,7 +262,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) if (trunc) tlen = MAX_ATOM_CHARACTERS; else - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; } #ifdef DEBUG for (aix = 0; aix < len; aix++) { @@ -276,7 +276,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) if (trunc) tlen = MAX_ATOM_CHARACTERS; else - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; } no_latin1_chars = tlen; latin1_to_utf8(utf8_copy, &text, &tlen); @@ -284,7 +284,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) case ERTS_ATOM_ENC_UTF8: /* First sanity check; need to verify later */ if (tlen > MAX_ATOM_SZ_LIMIT && !trunc) - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; break; } @@ -295,7 +295,7 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) atom_read_unlock(); if (aix >= 0) { /* Already in table no need to verify it */ - return make_atom(aix); + return aix; } if (enc == ERTS_ATOM_ENC_UTF8) { @@ -314,13 +314,13 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) case ERTS_UTF8_OK_MAX_CHARS: /* Truncated... */ if (!trunc) - return THE_NON_VALUE; + return ATOM_MAX_CHARS_ERROR; ASSERT(no_chars == MAX_ATOM_CHARACTERS); tlen = err_pos - text; break; default: /* Bad utf8... */ - return THE_NON_VALUE; + return ATOM_BAD_ENCODING_ERROR; } } @@ -333,7 +333,20 @@ erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) atom_write_lock(); aix = index_put(&erts_atom_table, (void*) &a); atom_write_unlock(); - return make_atom(aix); + return aix; +} + +/* + * erts_atom_put() may fail. If it fails THE_NON_VALUE is returned! + */ +Eterm +erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc) +{ + int aix = erts_atom_put_index(name, len, enc, trunc); + if (aix >= 0) + return make_atom(aix); + else + return THE_NON_VALUE; } Eterm diff --git a/erts/emulator/beam/atom.h b/erts/emulator/beam/atom.h index abd3b44993..be998a46bd 100644 --- a/erts/emulator/beam/atom.h +++ b/erts/emulator/beam/atom.h @@ -29,6 +29,8 @@ #define MAX_ATOM_SZ_LIMIT (4*MAX_ATOM_CHARACTERS) /* theoretical byte limit */ #define ATOM_LIMIT (1024*1024) #define MIN_ATOM_TABLE_SIZE 8192 +#define ATOM_BAD_ENCODING_ERROR -1 +#define ATOM_MAX_CHARS_ERROR -2 #ifndef ARCH_32 /* Internal atom cache needs MAX_ATOM_TABLE_SIZE to be less than an @@ -133,6 +135,7 @@ int atom_table_sz(void); /* table size in bytes, excluding stored objects */ Eterm am_atom_put(const char*, int); /* ONLY 7-bit ascii! */ Eterm erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc); +int erts_atom_put_index(const byte *name, int len, ErtsAtomEncoding enc, int trunc); void init_atom_table(void); void atom_info(fmtfn_t, void *); void dump_atoms(fmtfn_t, void *); diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index dd0a42b5ba..df2866b40e 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -195,6 +195,7 @@ atom current_stacktrace atom data atom debug_flags atom decimals +atom default atom delay_trap atom dexit atom depth @@ -245,6 +246,7 @@ atom Eq='=:=' atom Eqeq='==' atom erl_tracer atom erlang +atom erl_signal_server atom ERROR='ERROR' atom error_handler atom error_logger @@ -312,6 +314,7 @@ atom global atom Gt='>' atom grun atom group_leader +atom handle atom have_dt_utag atom heap_block_size atom heap_size @@ -376,6 +379,7 @@ atom long_schedule atom low atom Lt='<' atom machine +atom magic_ref atom major atom match atom match_limit @@ -572,7 +576,7 @@ atom running_procs atom runtime atom safe atom save_calls -atom scheduler +atom scheduler atom scheduler_id atom scheduler_wall_time atom scheduler_wall_time_all @@ -600,6 +604,19 @@ atom set_tcw atom set_tcw_fake atom separate atom shared +atom sighup +atom sigterm +atom sigusr1 +atom sigusr2 +atom sigill +atom sigchld +atom sigabrt +atom sigalrm +atom sigstop +atom sigint +atom sigsegv +atom sigtstp +atom sigquit atom silent atom size atom sl_alloc diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index c8dde8caf8..4ba8c2a669 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -156,11 +156,13 @@ BIF_RETTYPE code_make_stub_module_3(BIF_ALIST_3) Module* modp; Eterm res, mod; - if (!ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_1) || - is_not_atom(mod = erts_module_for_prepared_code - (((ProcBin*)binary_val(BIF_ARG_1))->val))) { + if (!is_internal_magic_ref(BIF_ARG_1)) + BIF_ERROR(BIF_P, BADARG); + + mod = erts_module_for_prepared_code(erts_magic_ref2bin(BIF_ARG_1)); + + if (is_not_atom(mod)) BIF_ERROR(BIF_P, BADARG); - } if (!erts_try_seize_code_write_permission(BIF_P)) { ERTS_BIF_YIELD3(bif_export[BIF_code_make_stub_module_3], @@ -229,8 +231,8 @@ prepare_loading_2(BIF_ALIST_2) res = TUPLE2(hp, am_error, reason); BIF_RET(res); } - hp = HAlloc(BIF_P, PROC_BIN_SIZE); - res = erts_mk_magic_binary_term(&hp, &MSO(BIF_P), magic); + hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE); + res = erts_mk_magic_ref(&hp, &MSO(BIF_P), magic); erts_refc_dec(&magic->refc, 1); BIF_RET(res); } @@ -239,15 +241,13 @@ BIF_RETTYPE has_prepared_code_on_load_1(BIF_ALIST_1) { Eterm res; - ProcBin* pb; - if (!ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_1)) { + if (!is_internal_magic_ref(BIF_ARG_1)) { error: BIF_ERROR(BIF_P, BADARG); } - pb = (ProcBin*) binary_val(BIF_ARG_1); - res = erts_has_code_on_load(pb->val); + res = erts_has_code_on_load(erts_magic_ref2bin(BIF_ARG_1)); if (res == NIL) { goto error; } @@ -333,13 +333,11 @@ finish_loading_1(BIF_ALIST_1) for (i = 0; i < n; i++) { Eterm* cons = list_val(BIF_ARG_1); Eterm term = CAR(cons); - ProcBin* pb; - if (!ERTS_TERM_IS_MAGIC_BINARY(term)) { + if (!is_internal_magic_ref(term)) { goto badarg; } - pb = (ProcBin*) binary_val(term); - p[i].code = pb->val; + p[i].code = erts_magic_ref2bin(term); p[i].module = erts_module_for_prepared_code(p[i].code); if (p[i].module == NIL) { goto badarg; @@ -1120,11 +1118,6 @@ check_process_code(Process* rp, Module* modp, int *redsp, int fcalls) if (erts_check_nif_export_in_area(rp, mod_start, mod_size)) return am_true; - *redsp += 1; - - if (erts_check_nif_export_in_area(rp, mod_start, mod_size)) - return am_true; - *redsp += (STACK_START(rp) - rp->stop) / 32; /* diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 27329a339e..b32c74ce7a 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -392,17 +392,17 @@ consolidate_bp_data(Module* modp, ErtsCodeInfo *ci, int local) } if (flags & ERTS_BPF_META_TRACE) { dst->meta_tracer = src->meta_tracer; - erts_refc_inc(&dst->meta_tracer->refc, 1); + erts_smp_refc_inc(&dst->meta_tracer->refc, 1); dst->meta_ms = src->meta_ms; MatchSetRef(dst->meta_ms); } if (flags & ERTS_BPF_COUNT) { dst->count = src->count; - erts_refc_inc(&dst->count->refc, 1); + erts_smp_refc_inc(&dst->count->refc, 1); } if (flags & ERTS_BPF_TIME_TRACE) { dst->time = src->time; - erts_refc_inc(&dst->time->refc, 1); + erts_smp_refc_inc(&dst->time->refc, 1); ASSERT(dst->time->hash); } } @@ -1576,7 +1576,7 @@ set_function_break(ErtsCodeInfo *ci, Binary *match_spec, Uint break_flags, MatchSetRef(match_spec); bp->meta_ms = match_spec; bmt = Alloc(sizeof(BpMetaTracer)); - erts_refc_init(&bmt->refc, 1); + erts_smp_refc_init(&bmt->refc, 1); erts_tracer_update(&meta_tracer, tracer); /* copy tracer */ erts_smp_atomic_init_nob(&bmt->tracer, (erts_aint_t)meta_tracer); bp->meta_tracer = bmt; @@ -1585,7 +1585,7 @@ set_function_break(ErtsCodeInfo *ci, Binary *match_spec, Uint break_flags, ASSERT((bp->flags & ERTS_BPF_COUNT) == 0); bcp = Alloc(sizeof(BpCount)); - erts_refc_init(&bcp->refc, 1); + erts_smp_refc_init(&bcp->refc, 1); erts_smp_atomic_init_nob(&bcp->acount, 0); bp->count = bcp; } else if (break_flags & ERTS_BPF_TIME_TRACE) { @@ -1594,7 +1594,7 @@ set_function_break(ErtsCodeInfo *ci, Binary *match_spec, Uint break_flags, ASSERT((bp->flags & ERTS_BPF_TIME_TRACE) == 0); bdt = Alloc(sizeof(BpDataTime)); - erts_refc_init(&bdt->refc, 1); + erts_smp_refc_init(&bdt->refc, 1); #ifdef ERTS_DIRTY_SCHEDULERS bdt->n = erts_no_schedulers + 1; #else @@ -1664,7 +1664,7 @@ clear_function_break(ErtsCodeInfo *ci, Uint break_flags) static void bp_meta_unref(BpMetaTracer* bmt) { - if (erts_refc_dectest(&bmt->refc, 0) <= 0) { + if (erts_smp_refc_dectest(&bmt->refc, 0) <= 0) { ErtsTracer trc = erts_smp_atomic_read_nob(&bmt->tracer); ERTS_TRACER_CLEAR(&trc); Free(bmt); @@ -1674,7 +1674,7 @@ bp_meta_unref(BpMetaTracer* bmt) static void bp_count_unref(BpCount* bcp) { - if (erts_refc_dectest(&bcp->refc, 0) <= 0) { + if (erts_smp_refc_dectest(&bcp->refc, 0) <= 0) { Free(bcp); } } @@ -1682,7 +1682,7 @@ bp_count_unref(BpCount* bcp) static void bp_time_unref(BpDataTime* bdt) { - if (erts_refc_dectest(&bdt->refc, 0) <= 0) { + if (erts_smp_refc_dectest(&bdt->refc, 0) <= 0) { Uint i = 0; Uint j = 0; Process *h_p = NULL; diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h index cccd395e0a..3dba3cc1b5 100644 --- a/erts/emulator/beam/beam_bp.h +++ b/erts/emulator/beam/beam_bp.h @@ -41,7 +41,7 @@ typedef struct { typedef struct bp_data_time { /* Call time */ Uint n; bp_time_hash_t *hash; - erts_refc_t refc; + erts_smp_refc_t refc; } BpDataTime; typedef struct { @@ -51,12 +51,12 @@ typedef struct { typedef struct { erts_smp_atomic_t acount; - erts_refc_t refc; + erts_smp_refc_t refc; } BpCount; typedef struct { erts_smp_atomic_t tracer; - erts_refc_t refc; + erts_smp_refc_t refc; } BpMetaTracer; typedef struct generic_bp_data { diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 85d92321b8..49f932a1c2 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -126,7 +126,7 @@ do { \ /* * We reuse some of fields in the save area in the process structure. - * This is safe to do, since this space is only activly used when + * This is safe to do, since this space is only actively used when * the process is switched out. */ #define REDS_IN(p) ((p)->def_arg_reg[5]) @@ -220,7 +220,7 @@ BeamInstr* em_call_bif_e; /* NOTE These should be the only variables containing trace instructions. ** Sometimes tests are form the instruction value, and sometimes -** for the refering variable (one of these), and rouge references +** for the referring variable (one of these), and rouge references ** will most likely cause chaos. */ BeamInstr beam_return_to_trace[1]; /* OpCode(i_return_to_trace) */ @@ -2993,7 +2993,7 @@ do { \ } /* - * An error occured in an arithmetic operation or test that could + * An error occurred in an arithmetic operation or test that could * appear either in a head or in a body. * In a head, execution should continue at failure address in Arg(0). * In a body, Arg(0) == 0 and an exception should be raised. @@ -6268,7 +6268,7 @@ apply_bif_error_adjustment(Process *p, Export *ep, * stackframe correct. Without the following adjustment, * 'p->cp' will point into the function that called * current function when handling the error. We add a - * dummy stackframe in order to achive this. + * dummy stackframe in order to achieve this. * * Note that these BIFs unconditionally will cause * an exception to be raised. That is, our modifications @@ -6612,7 +6612,7 @@ erts_hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* re #ifndef ERTS_SMP if (ERTS_PROC_IS_EXITING(c_p)) { /* - * See comment in the begining of the function... + * See comment in the beginning of the function... * * This second test is needed since gc might be traced. */ @@ -6846,7 +6846,7 @@ new_fun(Process* p, Eterm* reg, ErlFunEntry* fe, int num_free) p->htop = hp + needed; funp = (ErlFunThing *) hp; hp = funp->env; - erts_refc_inc(&fe->refc, 2); + erts_smp_refc_inc(&fe->refc, 2); funp->thing_word = HEADER_FUN; funp->next = MSO(p).first; MSO(p).first = (struct erl_off_heap_header*) funp; diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 119c004f1f..48206a75a8 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -157,13 +157,15 @@ typedef struct { #define STR_CHUNK 2 #define IMP_CHUNK 3 #define EXP_CHUNK 4 -#define NUM_MANDATORY 5 +#define MIN_MANDATORY 1 +#define MAX_MANDATORY 5 #define LAMBDA_CHUNK 5 #define LITERAL_CHUNK 6 #define ATTR_CHUNK 7 #define COMPILE_CHUNK 8 #define LINE_CHUNK 9 +#define UTF8_ATOM_CHUNK 10 #define NUM_CHUNK_TYPES (sizeof(chunk_types)/sizeof(chunk_types[0])) @@ -173,9 +175,13 @@ typedef struct { static Uint chunk_types[] = { /* - * Mandatory chunk types -- these MUST be present. + * Atom chunk types -- Atom or AtU8 MUST be present. */ MakeIffId('A', 't', 'o', 'm'), /* 0 */ + + /* + * Mandatory chunk types -- these MUST be present. + */ MakeIffId('C', 'o', 'd', 'e'), /* 1 */ MakeIffId('S', 't', 'r', 'T'), /* 2 */ MakeIffId('I', 'm', 'p', 'T'), /* 3 */ @@ -189,6 +195,7 @@ static Uint chunk_types[] = { MakeIffId('A', 't', 't', 'r'), /* 7 */ MakeIffId('C', 'I', 'n', 'f'), /* 8 */ MakeIffId('L', 'i', 'n', 'e'), /* 9 */ + MakeIffId('A', 't', 'U', '8'), /* 10 */ }; /* @@ -490,9 +497,9 @@ static Eterm stub_insert_new_code(Process *c_p, ErtsProcLocks c_p_locks, #endif static int init_iff_file(LoaderState* stp, byte* code, Uint size); static int scan_iff_file(LoaderState* stp, Uint* chunk_types, - Uint num_types, Uint num_mandatory); + Uint num_types); static int verify_chunks(LoaderState* stp); -static int load_atom_table(LoaderState* stp); +static int load_atom_table(LoaderState* stp, ErtsAtomEncoding enc); static int load_import_table(LoaderState* stp); static int read_export_table(LoaderState* stp); static int is_bif(Eterm mod, Eterm func, unsigned arity); @@ -629,7 +636,7 @@ erts_prepare_loading(Binary* magic, Process *c_p, Eterm group_leader, CHKALLOC(); CHKBLK(ERTS_ALC_T_CODE,stp->code); if (!init_iff_file(stp, code, unloaded_size) || - !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES) || !verify_chunks(stp)) { goto load_error; } @@ -674,9 +681,16 @@ erts_prepare_loading(Binary* magic, Process *c_p, Eterm group_leader, */ CHKBLK(ERTS_ALC_T_CODE,stp->code); - define_file(stp, "atom table", ATOM_CHUNK); - if (!load_atom_table(stp)) { - goto load_error; + if (stp->chunks[UTF8_ATOM_CHUNK].size > 0) { + define_file(stp, "utf8 atom table", UTF8_ATOM_CHUNK); + if (!load_atom_table(stp, ERTS_ATOM_ENC_UTF8)) { + goto load_error; + } + } else { + define_file(stp, "atom table", ATOM_CHUNK); + if (!load_atom_table(stp, ERTS_ATOM_ENC_LATIN1)) { + goto load_error; + } } /* @@ -1213,7 +1227,7 @@ init_iff_file(LoaderState* stp, byte* code, Uint size) * Scan the IFF file. The header should have been verified by init_iff_file(). */ static int -scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types, Uint num_mandatory) +scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types) { Uint count; Uint id; @@ -1292,7 +1306,16 @@ verify_chunks(LoaderState* stp) MD5_CTX context; MD5Init(&context); - for (i = 0; i < NUM_MANDATORY; i++) { + + if (stp->chunks[UTF8_ATOM_CHUNK].start != NULL) { + MD5Update(&context, stp->chunks[UTF8_ATOM_CHUNK].start, stp->chunks[UTF8_ATOM_CHUNK].size); + } else if (stp->chunks[ATOM_CHUNK].start != NULL) { + MD5Update(&context, stp->chunks[ATOM_CHUNK].start, stp->chunks[ATOM_CHUNK].size); + } else { + LoadError0(stp, "mandatory chunk of type 'Atom' or 'AtU8' not found\n"); + } + + for (i = MIN_MANDATORY; i < MAX_MANDATORY; i++) { if (stp->chunks[i].start != NULL) { MD5Update(&context, stp->chunks[i].start, stp->chunks[i].size); } else { @@ -1353,7 +1376,7 @@ verify_chunks(LoaderState* stp) } static int -load_atom_table(LoaderState* stp) +load_atom_table(LoaderState* stp, ErtsAtomEncoding enc) { unsigned int i; @@ -1372,7 +1395,7 @@ load_atom_table(LoaderState* stp) GetByte(stp, n); GetString(stp, atom, n); - stp->atom[i] = erts_atom_put(atom, n, ERTS_ATOM_ENC_LATIN1, 1); + stp->atom[i] = erts_atom_put(atom, n, enc, 1); } /* @@ -4840,7 +4863,7 @@ final_touch(LoaderState* stp, struct erl_module_instance* inst_p) /* * We are hiding a pointer into older code. */ - erts_refc_dec(&fe->refc, 1); + erts_smp_refc_dec(&fe->refc, 1); } fe->address = code_ptr; #ifdef HIPE @@ -5939,7 +5962,7 @@ code_get_chunk_2(BIF_ALIST_2) goto error; } if (!init_iff_file(stp, start, binary_size(Bin)) || - !scan_iff_file(stp, &chunk, 1, 1) || + !scan_iff_file(stp, &chunk, 1) || stp->chunks[0].start == NULL) { res = am_undefined; goto done; @@ -5988,7 +6011,7 @@ code_module_md5_1(BIF_ALIST_1) } stp->module = THE_NON_VALUE; /* Suppress diagnostiscs */ if (!init_iff_file(stp, bytes, binary_size(Bin)) || - !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES) || !verify_chunks(stp)) { res = am_undefined; goto done; @@ -6252,7 +6275,7 @@ patch_funentries(Eterm Patchlist) * * Reproduced on a debug emulator with stdlib_test/qlc_SUITE:join_merge * - * erts_refc_dec(&fe->refc, 1); + * erts_smp_refc_dec(&fe->refc, 1); */ if (!patch(Addresses, (Uint) fe)) @@ -6300,8 +6323,8 @@ erts_make_stub_module(Process* p, Eterm hipe_magic_bin, Eterm Beam, Eterm Info) stp = ERTS_MAGIC_BIN_DATA(magic); hipe_code = erts_alloc(ERTS_ALC_T_HIPE, sizeof(*hipe_code)); - if (!ERTS_TERM_IS_MAGIC_BINARY(hipe_magic_bin) || - !(hipe_magic = ((ProcBin*)binary_val(hipe_magic_bin))->val, + if (!is_internal_magic_ref(hipe_magic_bin) || + !(hipe_magic = erts_magic_ref2bin(hipe_magic_bin), hipe_stp = hipe_get_loader_state(hipe_magic)) || hipe_stp->module == NIL || hipe_stp->text_segment == 0) { goto error; @@ -6337,7 +6360,7 @@ erts_make_stub_module(Process* p, Eterm hipe_magic_bin, Eterm Beam, Eterm Info) if (!init_iff_file(stp, bytes, size)) { goto error; } - if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES) || !verify_chunks(stp)) { goto error; } @@ -6345,9 +6368,16 @@ erts_make_stub_module(Process* p, Eterm hipe_magic_bin, Eterm Beam, Eterm Info) if (!read_code_header(stp)) { goto error; } - define_file(stp, "atom table", ATOM_CHUNK); - if (!load_atom_table(stp)) { - goto error; + if (stp->chunks[UTF8_ATOM_CHUNK].size > 0) { + define_file(stp, "utf8 atom table", UTF8_ATOM_CHUNK); + if (!load_atom_table(stp, ERTS_ATOM_ENC_UTF8)) { + goto error; + } + } else { + define_file(stp, "atom table", ATOM_CHUNK); + if (!load_atom_table(stp, ERTS_ATOM_ENC_LATIN1)) { + goto error; + } } define_file(stp, "export table", EXP_CHUNK); if (!stub_read_export_table(stp)) { @@ -6539,8 +6569,8 @@ int erts_commit_hipe_patch_load(Eterm hipe_magic_bin) HipeModule *hipe_code; Module* modp; - if (!ERTS_TERM_IS_MAGIC_BINARY(hipe_magic_bin) || - !(hipe_magic = ((ProcBin*)binary_val(hipe_magic_bin))->val, + if (!is_internal_magic_ref(hipe_magic_bin) || + !(hipe_magic = erts_magic_ref2bin(hipe_magic_bin), hipe_stp = hipe_get_loader_state(hipe_magic)) || hipe_stp->module == NIL || hipe_stp->text_segment == 0) { return 0; diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 51057c3ebb..614bedab12 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -199,7 +199,7 @@ BIF_RETTYPE link_1(BIF_ALIST_1) goto res_no_proc; case ERTS_PORT_OP_SCHEDULED: if (refp) { - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_TRAP3(await_port_send_result_trap, BIF_P, ref, am_true, am_true); } default: @@ -467,7 +467,7 @@ demonitor_local_port(Process *origin, Eterm ref, Eterm target) } /* Can return atom true, false, yield, internal_error, badarg or - * THE_NON_VALUE if error occured or trap has been set up + * THE_NON_VALUE if error occurred or trap has been set up */ static BIF_RETTYPE demonitor(Process *c_p, Eterm ref, Eterm *multip) @@ -597,7 +597,7 @@ BIF_RETTYPE demonitor_2(BIF_ALIST_2) switch (demonitor(BIF_P, BIF_ARG_1, &multi)) { case THE_NON_VALUE: - /* If other error occured or trap has been set up - pass through */ + /* If other error occurred or trap has been set up - pass through */ BIF_RET(THE_NON_VALUE); case am_false: if (info) @@ -782,7 +782,7 @@ local_name_monitor(Process *self, Eterm type, Eterm target_name) case ERTS_PORT_OP_DONE: return ret; case ERTS_PORT_OP_SCHEDULED: { /* Scheduled a signal */ - ASSERT(is_internal_ref(ret)); + ASSERT(is_internal_ordinary_ref(ret)); BIF_TRAP3(await_port_send_result_trap, self, ret, am_true, ret); /* bif_trap returns */ @@ -1180,7 +1180,7 @@ BIF_RETTYPE unlink_1(BIF_ALIST_1) res = erts_port_unlink(BIF_P, prt, BIF_P->common.id, refp); if (refp && res == ERTS_PORT_OP_SCHEDULED) { - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_TRAP3(await_port_send_result_trap, BIF_P, ref, am_true, am_true); } } @@ -1586,7 +1586,7 @@ BIF_RETTYPE exit_2(BIF_ALIST_2) ERTS_BIF_CHK_EXITED(BIF_P); if (refp && res == ERTS_PORT_OP_SCHEDULED) { - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_TRAP3(await_port_send_result_trap, BIF_P, ref, am_true, am_true); } @@ -2221,7 +2221,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext* ctx) /* Fall through */ case ERTS_PORT_OP_SCHEDULED: if (is_not_nil(*refp)) { - ASSERT(is_internal_ref(*refp)); + ASSERT(is_internal_ordinary_ref(*refp)); ret_val = SEND_AWAIT_RESULT; } break; @@ -2409,7 +2409,7 @@ BIF_RETTYPE send_3(BIF_ALIST_3) ERTS_BIF_PREP_YIELD_RETURN(retval, p, am_ok); break; case SEND_AWAIT_RESULT: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); ERTS_BIF_PREP_TRAP3(retval, await_port_send_result_trap, p, ref, am_nosuspend, am_ok); break; case SEND_BADARG: @@ -2446,7 +2446,7 @@ BIF_RETTYPE send_2(BIF_ALIST_2) static BIF_RETTYPE dsend_continue_trap_1(BIF_ALIST_1) { - Binary* bin = ((ProcBin*) binary_val(BIF_ARG_1))->val; + Binary* bin = erts_magic_ref2bin(BIF_ARG_1); ErtsSendContext* ctx = (ErtsSendContext*) ERTS_MAGIC_BIN_DATA(bin); Sint initial_reds = (Sint) (ERTS_BIF_REDS_LEFT(BIF_P) * TERM_TO_BINARY_LOOP_FACTOR); int result; @@ -2526,7 +2526,7 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) ERTS_BIF_PREP_YIELD_RETURN(retval, p, msg); break; case SEND_AWAIT_RESULT: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); ERTS_BIF_PREP_TRAP3(retval, await_port_send_result_trap, p, ref, msg, msg); break; @@ -3022,8 +3022,8 @@ BIF_RETTYPE atom_to_list_1(BIF_ALIST_1) BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) { Eterm res; - char *buf = (char *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_CHARACTERS); - Sint i = intlist_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS); + byte *buf = (byte *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_SZ_LIMIT); + Sint i = erts_unicode_list_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS); if (i < 0) { erts_free(ERTS_ALC_T_TMP, (void *) buf); @@ -3033,7 +3033,7 @@ BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) } BIF_ERROR(BIF_P, BADARG); } - res = erts_atom_put((byte *) buf, i, ERTS_ATOM_ENC_LATIN1, 1); + res = erts_atom_put(buf, i, ERTS_ATOM_ENC_UTF8, 1); ASSERT(is_atom(res)); erts_free(ERTS_ALC_T_TMP, (void *) buf); BIF_RET(res); @@ -3043,17 +3043,17 @@ BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) BIF_RETTYPE list_to_existing_atom_1(BIF_ALIST_1) { - Sint i; - char *buf = (char *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_CHARACTERS); + byte *buf = (byte *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_SZ_LIMIT); + Sint i = erts_unicode_list_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS); - if ((i = intlist_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS)) < 0) { + if (i < 0) { error: erts_free(ERTS_ALC_T_TMP, (void *) buf); BIF_ERROR(BIF_P, BADARG); } else { Eterm a; - if (erts_atom_get(buf, i, &a, ERTS_ATOM_ENC_LATIN1)) { + if (erts_atom_get((char *) buf, i, &a, ERTS_ATOM_ENC_UTF8)) { erts_free(ERTS_ALC_T_TMP, (void *) buf); BIF_RET(a); } else { @@ -4109,6 +4109,7 @@ BIF_RETTYPE ref_to_list_1(BIF_ALIST_1) { if (is_not_ref(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); + erts_magic_ref_save_bin(BIF_ARG_1); BIF_RET(term2list_dsprintf(BIF_P, BIF_ARG_1)); } @@ -4723,25 +4724,6 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) /**********************************************************************/ -BIF_RETTYPE hash_2(BIF_ALIST_2) -{ - Uint32 hash; - Sint range; - - if (is_not_small(BIF_ARG_2)) { - BIF_ERROR(BIF_P, BADARG); - } - if ((range = signed_val(BIF_ARG_2)) <= 0) { /* [1..MAX_SMALL] */ - BIF_ERROR(BIF_P, BADARG); - } -#if defined(ARCH_64) - if (range > ((1L << 27) - 1)) - BIF_ERROR(BIF_P, BADARG); -#endif - hash = make_broken_hash(BIF_ARG_1); - BIF_RET(make_small(1 + (hash % range))); /* [1..range] */ -} - BIF_RETTYPE phash_2(BIF_ALIST_2) { Uint32 hash; @@ -5574,12 +5556,10 @@ BIF_RETTYPE dt_restore_tag_1(BIF_ALIST_1) SEQ_TRACE_TOKEN(BIF_P) = am_have_dt_utag; } } -#else +#else if (BIF_ARG_1 != am_true) { BIF_ERROR(BIF_P,BADARG); } #endif BIF_RET(am_true); } - - diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 47fdcfa7a4..a6510ace81 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -670,9 +670,4 @@ gcbif erlang:ceil/1 bif math:floor/1 bif math:ceil/1 bif math:fmod/2 - -# -# Obsolete -# - -bif erlang:hash/2 +bif os:set_signal/2 diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c index 9894992b70..4dd8316dad 100644 --- a/erts/emulator/beam/binary.c +++ b/erts/emulator/beam/binary.c @@ -47,13 +47,8 @@ void erts_init_binary(void) { /* Verify Binary alignment... */ - if ((((UWord) &((Binary *) 0)->orig_bytes[0]) % ((UWord) 8)) != 0) { - /* I assume that any compiler should be able to optimize this - away. If not, this test is not very expensive... */ - erts_exit(ERTS_ABORT_EXIT, - "Internal error: Address of orig_bytes[0] of a Binary" - " is *not* 8-byte aligned\n"); - } + ERTS_CT_ASSERT((offsetof(Binary,orig_bytes) % 8) == 0); + ERTS_CT_ASSERT((offsetof(ErtsMagicBinary,u.aligned.data) % 8) == 0); erts_init_trap_export(&binary_to_list_continue_export, am_erts_internal, am_binary_to_list_continue, 1, @@ -107,7 +102,7 @@ new_binary(Process *p, byte *buf, Uint len) pb->flags = 0; /* - * Miscellanous updates. Return the tagged binary. + * Miscellaneous updates. Return the tagged binary. */ OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm)); return make_binary(pb); @@ -144,7 +139,7 @@ Eterm erts_new_mso_binary(Process *p, byte *buf, Uint len) pb->flags = 0; /* - * Miscellanous updates. Return the tagged binary. + * Miscellaneous updates. Return the tagged binary. */ OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm)); return make_binary(pb); @@ -446,18 +441,17 @@ binary_to_list(Process *c_p, Eterm *hp, Eterm tail, byte *bytes, sp->size = size; sp->bitoffs = bitoffs; - hp = HAlloc(c_p, PROC_BIN_SIZE); - mb = erts_mk_magic_binary_term(&hp, &MSO(c_p), mbp); + hp = HAlloc(c_p, ERTS_MAGIC_REF_THING_SIZE); + mb = erts_mk_magic_ref(&hp, &MSO(c_p), mbp); return binary_to_list_chunk(c_p, mb, sp, reds_left, 0); } } static BIF_RETTYPE binary_to_list_continue(BIF_ALIST_1) { - Binary *mbp = ((ProcBin *) binary_val(BIF_ARG_1))->val; + Binary *mbp = erts_magic_ref2bin(BIF_ARG_1); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == b2l_state_destructor); - ASSERT(BIF_P->flags & F_DISABLE_GC); return binary_to_list_chunk(BIF_P, @@ -794,8 +788,8 @@ list_to_binary_chunk(Eterm mb_eterm, ERTS_L2B_STATE_MOVE(new_sp, sp); sp = new_sp; - hp = HAlloc(c_p, PROC_BIN_SIZE); - mb_eterm = erts_mk_magic_binary_term(&hp, &MSO(c_p), mbp); + hp = HAlloc(c_p, ERTS_MAGIC_REF_THING_SIZE); + mb_eterm = erts_mk_magic_ref(&hp, &MSO(c_p), mbp); ASSERT(is_value(mb_eterm)); @@ -841,9 +835,9 @@ list_to_binary_chunk(Eterm mb_eterm, static BIF_RETTYPE list_to_binary_continue(BIF_ALIST_1) { - Binary *mbp = ((ProcBin *) binary_val(BIF_ARG_1))->val; - ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == l2b_state_destructor); + Binary *mbp = erts_magic_ref2bin(BIF_ARG_1); + ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == l2b_state_destructor); ASSERT(BIF_P->flags & F_DISABLE_GC); return list_to_binary_chunk(BIF_ARG_1, diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index 5509c50a8e..787f1e4b7e 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -389,6 +389,16 @@ info(fmtfn_t to, void *to_arg) } +static int code_size(struct erl_module_instance* modi) +{ + ErtsLiteralArea* lit = modi->code_hdr->literal_area; + int size = modi->code_length; + if (lit) { + size += (lit->end - lit->start) * sizeof(Eterm); + } + return size; +} + void loaded(fmtfn_t to, void *to_arg) { @@ -409,9 +419,9 @@ loaded(fmtfn_t to, void *to_arg) if ((modp = module_code(i, code_ix)) != NULL && ((modp->curr.code_length != 0) || (modp->old.code_length != 0))) { - cur += modp->curr.code_length; + cur += code_size(&modp->curr); if (modp->old.code_length != 0) { - old += modp->old.code_length; + old += code_size(&modp->old); } } } @@ -432,12 +442,12 @@ loaded(fmtfn_t to, void *to_arg) ((modp->curr.code_length != 0) || (modp->old.code_length != 0))) { erts_print(to, to_arg, "%T", make_atom(modp->module)); - cur += modp->curr.code_length; - erts_print(to, to_arg, " %d", modp->curr.code_length ); + cur += code_size(&modp->curr); + erts_print(to, to_arg, " %d", code_size(&modp->curr)); if (modp->old.code_length != 0) { erts_print(to, to_arg, " (%d old)", - modp->old.code_length ); - old += modp->old.code_length; + code_size(&modp->old)); + old += code_size(&modp->old); } erts_print(to, to_arg, "\n"); } @@ -452,7 +462,7 @@ loaded(fmtfn_t to, void *to_arg) erts_print(to, to_arg, "%T", make_atom(modp->module)); erts_print(to, to_arg, "\n"); erts_print(to, to_arg, "Current size: %d\n", - modp->curr.code_length); + code_size(&modp->curr)); code = modp->curr.code_hdr; if (code != NULL && code->attr_ptr) { erts_print(to, to_arg, "Current attributes: "); @@ -466,7 +476,7 @@ loaded(fmtfn_t to, void *to_arg) } if (modp->old.code_length != 0) { - erts_print(to, to_arg, "Old size: %d\n", modp->old.code_length); + erts_print(to, to_arg, "Old size: %d\n", code_size(&modp->old)); code = modp->old.code_hdr; if (code->attr_ptr) { erts_print(to, to_arg, "Old attributes: "); @@ -657,7 +667,7 @@ bin_check(void) erts_printf("%p orig_size: %bpd, norefs = %bpd\n", bp->val, bp->val->orig_size, - erts_smp_atomic_read_nob(&bp->val->refc)); + erts_refc_read(&bp->val->refc, 1)); } } if (printed) { @@ -727,6 +737,8 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args) * We have to be very very careful when doing this as the schedulers * could be anywhere. */ + sys_init_suspend_handler(); + for (i = 0; i < erts_no_schedulers; i++) { erts_tid_t tid = ERTS_SCHEDULER_IX(i)->tid; if (!erts_equal_tids(tid,erts_thr_self())) diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c index c4dcd6a3cc..85db23393c 100644 --- a/erts/emulator/beam/copy.c +++ b/erts/emulator/beam/copy.c @@ -850,7 +850,7 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint funp = (ErlFunThing *) tp; funp->next = off_heap->first; off_heap->first = (struct erl_off_heap_header*) funp; - erts_refc_inc(&funp->fe->refc, 2); + erts_smp_refc_inc(&funp->fe->refc, 2); *argp = make_fun(tp); } break; @@ -858,20 +858,24 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint case EXTERNAL_PORT_SUBTAG: case EXTERNAL_REF_SUBTAG: { - ExternalThing *etp = (ExternalThing *) htop; - + ExternalThing *etp = (ExternalThing *) objp; + erts_smp_refc_inc(&etp->node->refc, 2); + } + L_off_heap_node_container_common: + { + struct erl_off_heap_header *ohhp; + ohhp = (struct erl_off_heap_header *) htop; i = thing_arityval(hdr) + 1; + *argp = make_boxed(htop); tp = htop; while (i--) { *htop++ = *objp++; } - etp->next = off_heap->first; - off_heap->first = (struct erl_off_heap_header*)etp; - erts_refc_inc(&etp->node->refc, 2); + ohhp->next = off_heap->first; + off_heap->first = ohhp; - *argp = make_external(tp); } break; case MAP_SUBTAG: @@ -899,6 +903,13 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint case BIN_MATCHSTATE_SUBTAG: erts_exit(ERTS_ABORT_EXIT, "copy_struct: matchstate term not allowed"); + case REF_SUBTAG: + if (is_magic_ref_thing(objp)) { + ErtsMRefThing *mreft = (ErtsMRefThing *) objp; + erts_refc_inc(&mreft->mb->refc, 2); + goto L_off_heap_node_container_common; + } + /* Fall through... */ default: i = thing_arityval(hdr)+1; hbot -= i; @@ -1525,7 +1536,7 @@ Uint copy_shared_perform(Eterm obj, Uint size, erts_shcopy_t *info, } funp->next = off_heap->first; off_heap->first = (struct erl_off_heap_header*) funp; - erts_refc_inc(&funp->fe->refc, 2); + erts_smp_refc_inc(&funp->fe->refc, 2); goto cleanup_next; } case MAP_SUBTAG: @@ -1649,20 +1660,33 @@ Uint copy_shared_perform(Eterm obj, Uint size, erts_shcopy_t *info, } case EXTERNAL_PID_SUBTAG: case EXTERNAL_PORT_SUBTAG: - case EXTERNAL_REF_SUBTAG: { - ExternalThing *etp = (ExternalThing *) hp; + case EXTERNAL_REF_SUBTAG: + { + ExternalThing *etp = (ExternalThing *) ptr; + erts_smp_refc_inc(&etp->node->refc, 2); + } + off_heap_node_container_common: + { + struct erl_off_heap_header *ohhp; + ohhp = (struct erl_off_heap_header *) hp; sz = thing_arityval(hdr); - *resp = make_external(hp); + *resp = make_boxed(hp); *hp++ = hdr; ptr++; while (sz-- > 0) { *hp++ = *ptr++; } - etp->next = off_heap->first; - off_heap->first = (struct erl_off_heap_header*) etp; - erts_refc_inc(&etp->node->refc, 2); + ohhp->next = off_heap->first; + off_heap->first = ohhp; goto cleanup_next; } + case REF_SUBTAG: + if (is_magic_ref_thing(ptr)) { + ErtsMRefThing *mreft = (ErtsMRefThing *) ptr; + erts_refc_inc(&mreft->mb->refc, 2); + goto off_heap_node_container_common; + } + /* Fall through... */ default: sz = thing_arityval(hdr); *resp = make_boxed(hp); @@ -1836,7 +1860,7 @@ Eterm copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) case FUN_SUBTAG: { ErlFunThing* funp = (ErlFunThing *) (tp-1); - erts_refc_inc(&funp->fe->refc, 2); + erts_smp_refc_inc(&funp->fe->refc, 2); } goto off_heap_common; case EXTERNAL_PID_SUBTAG: @@ -1844,7 +1868,7 @@ Eterm copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) case EXTERNAL_REF_SUBTAG: { ExternalThing* etp = (ExternalThing *) (tp-1); - erts_refc_inc(&etp->node->refc, 2); + erts_smp_refc_inc(&etp->node->refc, 2); } off_heap_common: { @@ -1859,6 +1883,15 @@ Eterm copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) off_heap->first = ohh; } break; + case REF_SUBTAG: { + ErtsRefThing *rtp = (ErtsRefThing *) (tp - 1); + if (is_magic_ref_thing(rtp)) { + ErtsMRefThing *mreft = (ErtsMRefThing *) rtp; + erts_refc_inc(&mreft->mb->refc, 2); + goto off_heap_common; + } + /* Fall through... */ + } default: { int tari = header_arity(val); @@ -1959,6 +1992,9 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite ASSERT(ptr + header_arity(val) < end); MOVE_BOXED(ptr, val, hp, &dummy_ref); switch (val & _HEADER_SUBTAG_MASK) { + case REF_SUBTAG: + if (is_ordinary_ref_thing(hdr)) + break; case REFC_BINARY_SUBTAG: case FUN_SUBTAG: case EXTERNAL_PID_SUBTAG: diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index 016abaf717..d1c2da9074 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -264,7 +264,7 @@ static void doit_monitor_net_exits(ErtsMonitor *mon, void *vnecp) goto done; if (mon->type == MON_ORIGIN) { - /* local pid is beeing monitored */ + /* local pid is being monitored */ rmon = erts_remove_monitor(&ERTS_P_MONITORS(rp), mon->ref); /* ASSERT(rmon != NULL); nope, can happen during process exit */ if (rmon != NULL) { @@ -744,7 +744,7 @@ Eterm erts_dsend_export_trap_context(Process* p, ErtsSendContext* ctx) Binary* ctx_bin = erts_create_magic_binary(sizeof(struct exported_ctx), erts_dsend_context_dtor); struct exported_ctx* dst = ERTS_MAGIC_BIN_DATA(ctx_bin); - Eterm* hp = HAlloc(p, PROC_BIN_SIZE); + Eterm* hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); sys_memcpy(&dst->ctx, ctx, sizeof(ErtsSendContext)); ASSERT(ctx->dss.ctl == make_tuple(ctx->ctl_heap)); @@ -753,7 +753,7 @@ Eterm erts_dsend_export_trap_context(Process* p, ErtsSendContext* ctx) sys_memcpy(&dst->acm, ctx->dss.acmp, sizeof(ErtsAtomCacheMap)); dst->ctx.dss.acmp = &dst->acm; } - return erts_mk_magic_binary_term(&hp, &MSO(p), ctx_bin); + return erts_mk_magic_ref(&hp, &MSO(p), ctx_bin); } @@ -798,7 +798,7 @@ erts_dsig_send_unlink(ErtsDSigData *dsdp, Eterm local, Eterm remote) } -/* A local process that's beeing monitored by a remote one exits. We send: +/* A local process that's being monitored by a remote one exits. We send: {DOP_MONITOR_P_EXIT, Local pid or name, Remote pid, ref, reason}, which is rather sad as only the ref is needed, no pid's... */ int @@ -2085,7 +2085,7 @@ erts_dist_command(Port *prt, int reds_limit) ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt)); - erts_refc_inc(&dep->refc, 1); /* Otherwise dist_entry might be + erts_smp_refc_inc(&dep->refc, 1); /* Otherwise dist_entry might be removed if port command fails */ erts_smp_atomic_set_mb(&dep->dist_cmd_scheduled, 0); @@ -2518,7 +2518,7 @@ info_dist_entry(fmtfn_t to, void *arg, DistEntry *dep, int visible, int connecte erts_print(to, arg, "Name: %T", dep->sysname); #ifdef DEBUG - erts_print(to, arg, " (refc=%d)", erts_refc_read(&dep->refc, 0)); + erts_print(to, arg, " (refc=%d)", erts_smp_refc_read(&dep->refc, 0)); #endif erts_print(to, arg, "\n"); if (!connected && is_nil(dep->cid)) { diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h index 8799e54057..8f6be1061a 100644 --- a/erts/emulator/beam/dist.h +++ b/erts/emulator/beam/dist.h @@ -115,8 +115,8 @@ extern int erts_is_alive; * erts_dsig_prepare() prepares a send of a distributed signal. * One of the values defined below are returned. If the returned * value is another than ERTS_DSIG_PREP_CONNECTED, the - * distributed signal cannot be sent before apropriate actions - * have been taken. Apropriate actions would typically be setting + * distributed signal cannot be sent before appropriate actions + * have been taken. Appropriate actions would typically be setting * up the connection. */ diff --git a/erts/emulator/beam/dtrace-wrapper.h b/erts/emulator/beam/dtrace-wrapper.h index 6f70d5961e..f6fc28b801 100644 --- a/erts/emulator/beam/dtrace-wrapper.h +++ b/erts/emulator/beam/dtrace-wrapper.h @@ -74,7 +74,7 @@ #if defined(_SDT_PROBE) && !defined(STAP_PROBE11) /* SLF: This is Ubuntu 11-style SystemTap hackery */ -/* work arround for missing STAP macro */ +/* workaround for missing STAP macro */ #define STAP_PROBE11(provider,name,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11) \ _SDT_PROBE(provider, name, 11, \ (arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11)) diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 43c22e2e7c..a374593c5d 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -48,6 +48,7 @@ #if defined(ERTS_ALC_T_DRV_SEL_D_STATE) || defined(ERTS_ALC_T_DRV_EV_D_STATE) #include "erl_check_io.h" #endif +#include "erl_bif_unique.h" #define GET_ERL_GF_ALLOC_IMPL #include "erl_goodfit_alloc.h" @@ -152,8 +153,7 @@ typedef struct { int internal; Uint req_sched; Process *proc; - Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + ErtsIRefStorage iref; int allocs[ERTS_ALC_INFO_A_END - ERTS_ALC_A_MIN + 1]; } ErtsAllocInfoReq; @@ -684,6 +684,10 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) #endif fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_NIF_EXP_TRACE)] = sizeof(NifExportTrace); + fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_MREF_NSCHED_ENT)] + = sizeof(ErtsNSchedMagicRefTableEntry); + fix_type_sizes[ERTS_ALC_FIX_TYPE_IX(ERTS_ALC_T_MINDIRECTION)] + = ERTS_MAGIC_BIN_UNALIGNED_SIZE(sizeof(ErtsMagicIndirectionWord)); #ifdef HARD_DEBUG hdbg_init(); @@ -3141,9 +3145,10 @@ reply_alloc_info(void *vair) while (1) { if (hpp) - ref_copy = STORE_NC(hpp, ohp, air->ref); + ref_copy = erts_iref_storage_make_ref(&air->iref, + hpp, ohp, 0); else - *szp += REF_THING_SIZE; + *szp += erts_iref_storage_heap_size(&air->iref); ai_list = NIL; for (i = 0; air->allocs[i] != ERTS_ALC_A_INVALID; i++); @@ -3372,8 +3377,10 @@ reply_alloc_info(void *vair) erts_smp_proc_unlock(rp, rp_locks); erts_proc_dec_refc(rp); - if (erts_smp_atomic32_dec_read_nob(&air->refc) == 0) + if (erts_smp_atomic32_dec_read_nob(&air->refc) == 0) { + erts_iref_storage_clean(&air->iref); aireq_free(air); + } } int @@ -3386,7 +3393,6 @@ erts_request_alloc_info(struct process *c_p, ErtsAllocInfoReq *air = aireq_alloc(); Eterm req_ai[ERTS_ALC_INFO_A_END] = {0}; Eterm alist; - Eterm *hp; int airix = 0, ai; air->req_sched = erts_get_scheduler_id(); @@ -3400,8 +3406,7 @@ erts_request_alloc_info(struct process *c_p, if (is_not_internal_ref(ref)) return 0; - hp = &air->ref_heap[0]; - air->ref = STORE_NC(&hp, NULL, ref); + erts_iref_storage_save(&air->iref, ref); if (is_not_list(allocs)) return 0; diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index 1f7e4400e1..3d5de72ee7 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -65,7 +65,7 @@ # --- Allocator declarations ------------------------------------------------- # -# If, and only if, the same thread performes *all* allocations, +# If, and only if, the same thread performs *all* allocations, # reallocations and deallocations of all memory types that are handled # by a specific allocator (<ALLOCATOR> in type declaration), set # <MULTI_THREAD> for this specific allocator to false; otherwise, set @@ -280,6 +280,11 @@ type TRACE_MSG_QUEUE SHORT_LIVED SYSTEM trace_message_queue type SCHED_ASYNC_JOB SHORT_LIVED SYSTEM async_calls type DIRTY_START STANDARD PROCESSES dirty_start type DIRTY_SL SHORT_LIVED SYSTEM dirty_short_lived +type MREF_NSCHED_ENT FIXED_SIZE SYSTEM nsched_magic_ref_entry +type MREF_ENT STANDARD SYSTEM magic_ref_entry +type MREF_TAB_BKTS STANDARD SYSTEM magic_ref_table_buckets +type MREF_TAB LONG_LIVED SYSTEM magic_ref_table +type MINDIRECTION FIXED_SIZE SYSTEM magic_indirection +if threads_no_smp # Need thread safe allocs, but std_alloc and fix_alloc are not; diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index d346f8c8b6..a6bac06478 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -5186,7 +5186,7 @@ erts_alcu_sz_info(Allctr_t *allctr, ERTS_ALCU_DBG_CHK_THR_ACCESS(allctr); - /* Update sbc values not continously updated */ + /* Update sbc values not continuously updated */ allctr->sbcs.blocks.curr.no = allctr->sbcs.curr.norm.mseg.no + allctr->sbcs.curr.norm.sys_alloc.no; allctr->sbcs.blocks.max.no = allctr->sbcs.max.no; @@ -5272,7 +5272,7 @@ erts_alcu_info(Allctr_t *allctr, ERTS_ALCU_DBG_CHK_THR_ACCESS(allctr); - /* Update sbc values not continously updated */ + /* Update sbc values not continuously updated */ allctr->sbcs.blocks.curr.no = allctr->sbcs.curr.norm.mseg.no + allctr->sbcs.curr.norm.sys_alloc.no; allctr->sbcs.blocks.max.no = allctr->sbcs.max.no; diff --git a/erts/emulator/beam/erl_bif_binary.c b/erts/emulator/beam/erl_bif_binary.c index 24debedce2..62a752d854 100644 --- a/erts/emulator/beam/erl_bif_binary.c +++ b/erts/emulator/beam/erl_bif_binary.c @@ -380,7 +380,7 @@ static void ac_compute_failure_functions(ACTrie *act, ACNode **qbuff) qbuff[qt++] = child; /* Search for correct failure function, follow the parent's failure function until you find a similar transition - funtion to this child's */ + function to this child's */ r = parent->h; while (r != NULL && r->g[i] == NULL) { r = r->h; @@ -1010,8 +1010,8 @@ BIF_RETTYPE binary_compile_pattern_1(BIF_ALIST_1) if (do_binary_match_compile(BIF_ARG_1,&tag,&bin)) { BIF_ERROR(BIF_P,BADARG); } - hp = HAlloc(BIF_P, PROC_BIN_SIZE+3); - ret = erts_mk_magic_binary_term(&hp, &MSO(BIF_P), bin); + hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE+3); + ret = erts_mk_magic_ref(&hp, &MSO(BIF_P), bin); ret = TUPLE2(hp, tag, ret); BIF_RET(ret); } @@ -1426,11 +1426,11 @@ binary_match(Process *p, Eterm arg1, Eterm arg2, Eterm arg3, Uint flags) goto badarg; } if (((tp[1] != am_bm) && (tp[1] != am_ac)) || - !ERTS_TERM_IS_MAGIC_BINARY(tp[2])) { + !is_internal_magic_ref(tp[2])) { goto badarg; } bfs.type = tp[1]; - bin = ((ProcBin *) binary_val(tp[2]))->val; + bin = erts_magic_ref2bin(tp[2]); if (bfs.type == am_bm && ERTS_MAGIC_BIN_DESTRUCTOR(bin) != cleanup_my_data_bm) { goto badarg; @@ -1448,8 +1448,8 @@ binary_match(Process *p, Eterm arg1, Eterm arg2, Eterm arg3, Uint flags) bfs.global_result = &do_match_global_result; runres = do_binary_find(p, arg1, &bfs, bin, NIL, &result); if (runres == DO_BIN_MATCH_RESTART && bin_term == NIL) { - Eterm *hp = HAlloc(p, PROC_BIN_SIZE); - bin_term = erts_mk_magic_binary_term(&hp, &MSO(p), bin); + Eterm *hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + bin_term = erts_mk_magic_ref(&hp, &MSO(p), bin); } else if (bin_term == NIL) { erts_bin_free(bin); } @@ -1512,11 +1512,11 @@ binary_split(Process *p, Eterm arg1, Eterm arg2, Eterm arg3) goto badarg; } if (((tp[1] != am_bm) && (tp[1] != am_ac)) || - !ERTS_TERM_IS_MAGIC_BINARY(tp[2])) { + !is_internal_magic_ref(tp[2])) { goto badarg; } bfs.type = tp[1]; - bin = ((ProcBin *) binary_val(tp[2]))->val; + bin = erts_magic_ref2bin(tp[2]); if (bfs.type == am_bm && ERTS_MAGIC_BIN_DESTRUCTOR(bin) != cleanup_my_data_bm) { goto badarg; @@ -1534,8 +1534,8 @@ binary_split(Process *p, Eterm arg1, Eterm arg2, Eterm arg3) bfs.global_result = &do_split_global_result; runres = do_binary_find(p, arg1, &bfs, bin, NIL, &result); if (runres == DO_BIN_MATCH_RESTART && bin_term == NIL) { - Eterm *hp = HAlloc(p, PROC_BIN_SIZE); - bin_term = erts_mk_magic_binary_term(&hp, &MSO(p), bin); + Eterm *hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + bin_term = erts_mk_magic_ref(&hp, &MSO(p), bin); } else if (bin_term == NIL) { erts_bin_free(bin); } @@ -1767,7 +1767,8 @@ static BIF_RETTYPE binary_find_trap(BIF_ALIST_3) { int runres; Eterm result; - Binary *bin = ((ProcBin *) binary_val(BIF_ARG_3))->val; + Binary *bin = erts_magic_ref2bin(BIF_ARG_3); + runres = do_binary_find(BIF_P, BIF_ARG_1, NULL, bin, BIF_ARG_2, &result); if (runres == DO_BIN_MATCH_OK) { BIF_RET(result); @@ -2186,8 +2187,8 @@ static BIF_RETTYPE do_longest_common(Process *p, Eterm list, int direction) cd[i].type = CL_TYPE_HEAP; } } - hp = HAlloc(p, PROC_BIN_SIZE); - bin_term = erts_mk_magic_binary_term(&hp, &MSO(p), mb); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + bin_term = erts_mk_magic_ref(&hp, &MSO(p), mb); BUMP_ALL_REDS(p); BIF_TRAP3(trapper, p, bin_term, epos,list); } @@ -2214,8 +2215,7 @@ static BIF_RETTYPE do_longest_common_trap(Process *p, Eterm bin_term, Eterm curr #else term_to_Uint(current_pos, &pos); #endif - ASSERT(ERTS_TERM_IS_MAGIC_BINARY(bin_term)); - bin = ((ProcBin *) binary_val(bin_term))->val; + bin = erts_magic_ref2bin(bin_term); cd = (CommonData *) ERTS_MAGIC_BIN_DATA(bin); if (direction == DIRECTION_PREFIX) { trapper = &binary_longest_prefix_trap_export; @@ -2681,8 +2681,8 @@ static BIF_RETTYPE do_binary_copy(Process *p, Eterm bin, Eterm en) cbs->source_size = size; cbs->result_pos = pos; cbs->times_left = n-i; - hp = HAlloc(p,PROC_BIN_SIZE); - trap_term = erts_mk_magic_binary_term(&hp, &MSO(p), mb); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + trap_term = erts_mk_magic_ref(&hp, &MSO(p), mb); BUMP_ALL_REDS(p); BIF_TRAP2(&binary_copy_trap_export, p, bin, trap_term); } else { @@ -2717,7 +2717,7 @@ BIF_RETTYPE binary_copy_trap(BIF_ALIST_2) Uint reds = get_reds(BIF_P, BINARY_COPY_LOOP_FACTOR); byte *t; Uint pos; - Binary *mb = ((ProcBin *) binary_val(BIF_ARG_2))->val; + Binary *mb = erts_magic_ref2bin(BIF_ARG_2); CopyBinState *cbs = (CopyBinState *) ERTS_MAGIC_BIN_DATA(mb); Uint opos; diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c index 587859e413..2ce872d2bc 100644 --- a/erts/emulator/beam/erl_bif_ddll.c +++ b/erts/emulator/beam/erl_bif_ddll.c @@ -1109,25 +1109,25 @@ void erts_ddll_decrement_port_count(DE_Handle *dh) static void first_ddll_reference(DE_Handle *dh) { assert_drv_list_rwlocked(); - erts_refc_init(&(dh->refc),1); + erts_smp_refc_init(&(dh->refc),1); } void erts_ddll_reference_driver(DE_Handle *dh) { assert_drv_list_locked(); - if (erts_refc_inctest(&(dh->refc),1) == 1) { - erts_refc_inc(&(dh->refc),2); /* add a reference for the scheduled operation */ + if (erts_smp_refc_inctest(&(dh->refc),1) == 1) { + erts_smp_refc_inc(&(dh->refc),2); /* add a reference for the scheduled operation */ } } void erts_ddll_reference_referenced_driver(DE_Handle *dh) { - erts_refc_inc(&(dh->refc),2); + erts_smp_refc_inc(&(dh->refc),2); } void erts_ddll_dereference_driver(DE_Handle *dh) { - if (erts_refc_dectest(&(dh->refc),0) == 0) { + if (erts_smp_refc_dectest(&(dh->refc),0) == 0) { /* No lock here, but if the driver is referenced again, the scheduled deletion is added as a reference too, see above */ erts_schedule_misc_op(ddll_no_more_references, (void *) dh); @@ -1150,11 +1150,11 @@ static void restore_process_references(DE_Handle *dh) { DE_ProcEntry *p; assert_drv_list_rwlocked(); - ASSERT(erts_refc_read(&(dh->refc),0) == 0); + ASSERT(erts_smp_refc_read(&(dh->refc),0) == 0); for(p = dh->procs;p != NULL; p = p->next) { if (p->awaiting_status == ERL_DE_PROC_LOADED) { ASSERT(p->flags & ERL_DE_FL_DEREFERENCED); - erts_refc_inc(&(dh->refc),1); + erts_smp_refc_inc(&(dh->refc),1); p->flags &= ~ERL_DE_FL_DEREFERENCED; } } @@ -1176,9 +1176,9 @@ static void ddll_no_more_references(void *vdh) lock_drv_list(); - x = erts_refc_read(&(dh->refc),0); + x = erts_smp_refc_read(&(dh->refc),0); if (x > 0) { - x = erts_refc_dectest(&(dh->refc),0); /* delete the reference added for me */ + x = erts_smp_refc_dectest(&(dh->refc),0); /* delete the reference added for me */ } @@ -1476,8 +1476,10 @@ static void add_proc_loaded_deref(DE_Handle *dh, Process *proc) static Eterm copy_ref(Eterm ref, Eterm *hp) { - RefThing *ptr = ref_thing_ptr(ref); - memcpy(hp, ptr, sizeof(RefThing)); + ErtsORefThing *ptr; + ASSERT(is_internal_ordinary_ref(ref)); + ptr = ordinary_ref_thing_ptr(ref); + memcpy(hp, ptr, sizeof(ErtsORefThing)); return (make_internal_ref(hp)); } @@ -1643,7 +1645,7 @@ static int load_driver_entry(DE_Handle **dhp, char *path, char *name) dh->handle = NULL; dh->procs = NULL; erts_smp_atomic32_init_nob(&dh->port_count, 0); - erts_refc_init(&(dh->refc), (erts_aint_t) 0); + erts_smp_refc_init(&(dh->refc), (erts_aint_t) 0); dh->status = -1; dh->reload_full_path = NULL; dh->reload_driver_name = NULL; @@ -1681,7 +1683,7 @@ static int reload_driver_entry(DE_Handle *dh) dh->reload_full_path = NULL; dh->reload_driver_name = NULL; - ASSERT(erts_refc_read(&(dh->refc),0) == 0); + ASSERT(erts_smp_refc_read(&(dh->refc),0) == 0); ASSERT(dh->full_path != NULL); erts_free(ERTS_ALC_T_DDLL_HANDLE, (void *) dh->full_path); dh->full_path = NULL; @@ -1720,10 +1722,10 @@ static void notify_proc(Process *proc, Eterm ref, Eterm driver_name, Eterm type, Eterm e; mp = erts_alloc_message_heap(proc, &rp_locks, (6 /* tuple */ + 3 /* Error tuple */ + - REF_THING_SIZE + need), + ERTS_REF_THING_SIZE + need), &hp, &ohp); r = copy_ref(ref,hp); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; e = build_load_error_hp(hp, errcode); hp += need; mess = TUPLE2(hp,tag,e); @@ -1731,10 +1733,10 @@ static void notify_proc(Process *proc, Eterm ref, Eterm driver_name, Eterm type, mess = TUPLE5(hp,type,r,am_driver,driver_name,mess); } else { mp = erts_alloc_message_heap(proc, &rp_locks, - 6 /* tuple */ + REF_THING_SIZE, + 6 /* tuple */ + ERTS_REF_THING_SIZE, &hp, &ohp); r = copy_ref(ref,hp); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; mess = TUPLE5(hp,type,r,am_driver,driver_name,tag); } erts_queue_message(proc, rp_locks, mp, mess, am_system); diff --git a/erts/emulator/beam/erl_bif_guard.c b/erts/emulator/beam/erl_bif_guard.c index 458315f293..cdac4c1d11 100644 --- a/erts/emulator/beam/erl_bif_guard.c +++ b/erts/emulator/beam/erl_bif_guard.c @@ -190,7 +190,7 @@ BIF_RETTYPE round_1(BIF_ALIST_1) GET_DOUBLE(BIF_ARG_1, f); /* round it and return the resultant integer */ - res = double_to_integer(BIF_P, (f.fd > 0.0) ? f.fd + 0.5 : f.fd - 0.5); + res = double_to_integer(BIF_P, round(f.fd)); BIF_RET(res); } @@ -630,8 +630,7 @@ Eterm erts_gc_round_1(Process* p, Eterm* reg, Uint live) } GET_DOUBLE(arg, f); - return gc_double_to_integer(p, (f.fd > 0.0) ? f.fd + 0.5 : f.fd - 0.5, - reg, live); + return gc_double_to_integer(p, round(f.fd), reg, live); } Eterm erts_gc_trunc_1(Process* p, Eterm* reg, Uint live) diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 9f32e0e7bd..06a73ffea5 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -177,7 +177,33 @@ bld_bin_list(Uint **hpp, Uint *szp, ErlOffHeap* oh) if (szp) *szp += 4+2; if (hpp) { - Uint refc = (Uint) erts_smp_atomic_read_nob(&pb->val->refc); + Uint refc = (Uint) erts_refc_read(&pb->val->refc, 1); + tuple = TUPLE3(*hpp, val, orig_size, make_small(refc)); + res = CONS(*hpp + 4, tuple, res); + *hpp += 4+2; + } + } + } + return res; +} + +static Eterm +bld_magic_ref_bin_list(Uint **hpp, Uint *szp, ErlOffHeap* oh) +{ + struct erl_off_heap_header* ohh; + Eterm res = NIL; + Eterm tuple; + + for (ohh = oh->first; ohh; ohh = ohh->next) { + if (is_ref_thing_header((*((Eterm *) ohh)))) { + ErtsMRefThing *mrtp = (ErtsMRefThing *) ohh; + Eterm val = erts_bld_uword(hpp, szp, (UWord) mrtp->mb); + Eterm orig_size = erts_bld_uint(hpp, szp, mrtp->mb->orig_size); + + if (szp) + *szp += 4+2; + if (hpp) { + Uint refc = (Uint) erts_refc_read(&mrtp->mb->refc, 1); tuple = TUPLE3(*hpp, val, orig_size, make_small(refc)); res = CONS(*hpp + 4, tuple, res); *hpp += 4+2; @@ -627,7 +653,8 @@ static Eterm pi_args[] = { am_current_location, am_current_stacktrace, am_message_queue_data, - am_garbage_collection_info + am_garbage_collection_info, + am_magic_ref }; #define ERTS_PI_ARGS ((int) (sizeof(pi_args)/sizeof(Eterm))) @@ -678,6 +705,7 @@ pi_arg2ix(Eterm arg) case am_current_stacktrace: return 31; case am_message_queue_data: return 32; case am_garbage_collection_info: return 33; + case am_magic_ref: return 34; default: return -1; } } @@ -1618,6 +1646,14 @@ process_info_aux(Process *BIF_P, hp = HAlloc(BIF_P, 3); break; + case am_magic_ref: { + Uint sz = 3; + (void) bld_magic_ref_bin_list(NULL, &sz, &MSO(rp)); + hp = HAlloc(BIF_P, sz); + res = bld_magic_ref_bin_list(&hp, NULL, &MSO(rp)); + break; + } + default: return THE_NON_VALUE; /* will produce badarg */ @@ -3551,6 +3587,11 @@ BIF_RETTYPE error_logger_warning_map_0(BIF_ALIST_0) static erts_smp_atomic_t available_internal_state; +static int empty_magic_ref_destructor(Binary *bin) +{ + return 1; +} + BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1) { /* @@ -3916,6 +3957,34 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1) } return make_atom(ix); } + else if (ERTS_IS_ATOM_STR("magic_ref", tp[1])) { + Binary *bin; + UWord bin_addr, refc; + Eterm bin_addr_term, refc_term, test_type; + Uint sz; + Eterm *hp; + if (!is_internal_magic_ref(tp[2])) { + if (is_internal_ordinary_ref(tp[2])) { + ErtsORefThing *rtp; + rtp = (ErtsORefThing *) internal_ref_val(tp[2]); + if (erts_is_ref_numbers_magic(rtp->num)) + BIF_RET(am_true); + } + BIF_RET(am_false); + } + bin = erts_magic_ref2bin(tp[2]); + refc = erts_refc_read(&bin->refc, 1); + bin_addr = (UWord) bin; + sz = 4; + erts_bld_uword(NULL, &sz, bin_addr); + erts_bld_uword(NULL, &sz, refc); + hp = HAlloc(BIF_P, sz); + bin_addr_term = erts_bld_uword(&hp, NULL, bin_addr); + refc_term = erts_bld_uword(&hp, NULL, refc); + test_type = (ERTS_MAGIC_BIN_DESTRUCTOR(bin) == empty_magic_ref_destructor + ? am_true : am_false); + BIF_RET(TUPLE3(hp, bin_addr_term, refc_term, test_type)); + } break; } @@ -4004,7 +4073,6 @@ static void broken_halt_test(Eterm bif_arg_2) erts_exit(ERTS_DUMP_EXIT, "%T", bif_arg_2); } - BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2) { /* @@ -4334,6 +4402,21 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2) /* Used by ets_SUITE (stdlib) */ BIF_RET(erts_ets_restore_meta_state(BIF_P, BIF_ARG_2)); } + else if (ERTS_IS_ATOM_STR("make", BIF_ARG_1)) { + if (ERTS_IS_ATOM_STR("magic_ref", BIF_ARG_2)) { + Binary *bin = erts_create_magic_binary(0, empty_magic_ref_destructor); + UWord bin_addr = (UWord) bin; + Eterm bin_addr_term, magic_ref, res; + Eterm *hp; + Uint sz = ERTS_MAGIC_REF_THING_SIZE + 3; + erts_bld_uword(NULL, &sz, bin_addr); + hp = HAlloc(BIF_P, sz); + bin_addr_term = erts_bld_uword(&hp, NULL, bin_addr); + magic_ref = erts_mk_magic_ref(&hp, &BIF_P->off_heap, bin); + res = TUPLE2(hp, magic_ref, bin_addr_term); + BIF_RET(res); + } + } } BIF_ERROR(BIF_P, BADARG); diff --git a/erts/emulator/beam/erl_bif_os.c b/erts/emulator/beam/erl_bif_os.c index 46777d3aa5..edc3c82b23 100644 --- a/erts/emulator/beam/erl_bif_os.c +++ b/erts/emulator/beam/erl_bif_os.c @@ -203,3 +203,17 @@ BIF_RETTYPE os_unsetenv_1(BIF_ALIST_1) } BIF_RET(am_true); } + +BIF_RETTYPE os_set_signal_2(BIF_ALIST_2) { + if (is_atom(BIF_ARG_1) && ((BIF_ARG_2 == am_ignore) || + (BIF_ARG_2 == am_default) || + (BIF_ARG_2 == am_handle))) { + if (!erts_set_signal(BIF_ARG_1, BIF_ARG_2)) + goto error; + + BIF_RET(am_ok); + } + +error: + BIF_ERROR(BIF_P, BADARG); +} diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c index 90e78a9b0b..09d2c5376b 100644 --- a/erts/emulator/beam/erl_bif_port.c +++ b/erts/emulator/beam/erl_bif_port.c @@ -214,7 +214,7 @@ BIF_RETTYPE erts_internal_port_command_3(BIF_ALIST_3) ASSERT(!(flags & ERTS_PORT_SIG_FLG_FORCE)); /* Fall through... */ case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); ERTS_BIF_PREP_RET(res, ref); break; case ERTS_PORT_OP_DONE: @@ -260,7 +260,7 @@ BIF_RETTYPE erts_internal_port_call_3(BIF_ALIST_3) retval = am_badarg; break; case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(retval)); + ASSERT(is_internal_ordinary_ref(retval)); break; case ERTS_PORT_OP_DONE: ASSERT(is_not_internal_ref(retval)); @@ -310,7 +310,7 @@ BIF_RETTYPE erts_internal_port_control_3(BIF_ALIST_3) retval = am_badarg; break; case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(retval)); + ASSERT(is_internal_ordinary_ref(retval)); break; case ERTS_PORT_OP_DONE: ASSERT(is_not_internal_ref(retval)); @@ -356,7 +356,7 @@ BIF_RETTYPE erts_internal_port_close_1(BIF_ALIST_1) case ERTS_PORT_OP_DROPPED: BIF_RET(am_badarg); case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_RET(ref); case ERTS_PORT_OP_DONE: BIF_RET(am_true); @@ -389,7 +389,7 @@ BIF_RETTYPE erts_internal_port_connect_2(BIF_ALIST_2) case ERTS_PORT_OP_DROPPED: BIF_RET(am_badarg); case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); BIF_RET(ref); break; case ERTS_PORT_OP_DONE: @@ -428,7 +428,7 @@ BIF_RETTYPE erts_internal_port_info_1(BIF_ALIST_1) case ERTS_PORT_OP_DROPPED: BIF_RET(am_undefined); case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(retval)); + ASSERT(is_internal_ordinary_ref(retval)); BIF_RET(retval); case ERTS_PORT_OP_DONE: ASSERT(is_not_internal_ref(retval)); @@ -467,7 +467,7 @@ BIF_RETTYPE erts_internal_port_info_2(BIF_ALIST_2) case ERTS_PORT_OP_DROPPED: BIF_RET(am_undefined); case ERTS_PORT_OP_SCHEDULED: - ASSERT(is_internal_ref(retval)); + ASSERT(is_internal_ordinary_ref(retval)); BIF_RET(retval); case ERTS_PORT_OP_DONE: ASSERT(is_not_internal_ref(retval)); diff --git a/erts/emulator/beam/erl_bif_re.c b/erts/emulator/beam/erl_bif_re.c index 391fee5753..a66b05c6ff 100644 --- a/erts/emulator/beam/erl_bif_re.c +++ b/erts/emulator/beam/erl_bif_re.c @@ -1320,17 +1320,17 @@ handle_iolist: Binary *mbp = erts_create_magic_binary(sizeof(RestartContext), cleanup_restart_context_bin); RestartContext *restartp = ERTS_MAGIC_BIN_DATA(mbp); - Eterm magic_bin; + Eterm magic_ref; Eterm *hp; memcpy(restartp,&restart,sizeof(RestartContext)); BUMP_ALL_REDS(p); - hp = HAlloc(p, PROC_BIN_SIZE); - magic_bin = erts_mk_magic_binary_term(&hp, &MSO(p), mbp); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + magic_ref = erts_mk_magic_ref(&hp, &MSO(p), mbp); BIF_TRAP3(&re_exec_trap_export, p, arg1, arg2 /* To avoid GC of precompiled code, XXX: not utilized yet */, - magic_bin); + magic_ref); } res = build_exec_return(p, rc, &restart, arg1); @@ -1367,9 +1367,7 @@ static BIF_RETTYPE re_exec_trap(BIF_ALIST_3) Uint loop_limit_tmp; Eterm res; - ASSERT(ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_3)); - - mbp = ((ProcBin *) binary_val(BIF_ARG_3))->val; + mbp = erts_magic_ref2bin(BIF_ARG_3); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == cleanup_restart_context_bin); diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c index a480754bdb..f471390501 100644 --- a/erts/emulator/beam/erl_bif_trace.c +++ b/erts/emulator/beam/erl_bif_trace.c @@ -2363,7 +2363,7 @@ BIF_RETTYPE system_profile_2(BIF_ALIST_2) typedef struct { Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Eterm target; erts_smp_atomic32_t refc; } ErtsTraceDeliveredAll; diff --git a/erts/emulator/beam/erl_bif_unique.c b/erts/emulator/beam/erl_bif_unique.c index 7c70217d8d..3fd4c87094 100644 --- a/erts/emulator/beam/erl_bif_unique.c +++ b/erts/emulator/beam/erl_bif_unique.c @@ -22,12 +22,15 @@ # include "config.h" #endif +#define ERL_BIF_UNIQUE_C__ #include "sys.h" #include "erl_vm.h" #include "erl_alloc.h" #include "export.h" #include "bif.h" #include "erl_bif_unique.h" +#include "hash.h" +#include "erl_binary.h" /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * Reference * @@ -58,9 +61,20 @@ static union { static Uint32 max_thr_id; #endif +static void init_magic_ref_tables(void); + +static Uint64 ref_init_value; + static void init_reference(void) { + SysTimeval tv; + sys_gettimeofday(&tv); + ref_init_value = 0; + ref_init_value |= (Uint64) tv.tv_sec; + ref_init_value |= ((Uint64) tv.tv_usec) << 32; + ref_init_value *= (Uint64) 268438039; + ref_init_value += (Uint64) tv.tv_usec; #ifdef DEBUG max_thr_id = (Uint32) erts_no_schedulers; #ifdef ERTS_DIRTY_SCHEDULERS @@ -68,11 +82,13 @@ init_reference(void) max_thr_id += (Uint32) erts_no_dirty_io_schedulers; #endif #endif - erts_atomic64_init_nob(&global_reference.count, 0); + erts_atomic64_init_nob(&global_reference.count, + (erts_aint64_t) ref_init_value); + init_magic_ref_tables(); } static ERTS_INLINE void -global_make_ref_in_array(Uint32 thr_id, Uint32 ref[ERTS_MAX_REF_NUMBERS]) +global_make_ref_in_array(Uint32 thr_id, Uint32 ref[ERTS_REF_NUMBERS]) { Uint64 value; @@ -82,7 +98,7 @@ global_make_ref_in_array(Uint32 thr_id, Uint32 ref[ERTS_MAX_REF_NUMBERS]) } static ERTS_INLINE void -make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]) +make_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]) { ErtsSchedulerData *esdp = erts_get_scheduler_data(); if (esdp) @@ -92,15 +108,23 @@ make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]) } void -erts_make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]) +erts_make_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]) +{ + make_ref_in_array(ref); +} + +void +erts_make_magic_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]) { make_ref_in_array(ref); + ASSERT(!(ref[1] & ERTS_REF1_MAGIC_MARKER_BIT__)); + ref[1] |= ERTS_REF1_MAGIC_MARKER_BIT__; } -Eterm erts_make_ref_in_buffer(Eterm buffer[REF_THING_SIZE]) +Eterm erts_make_ref_in_buffer(Eterm buffer[ERTS_REF_THING_SIZE]) { Eterm* hp = buffer; - Uint32 ref[ERTS_MAX_REF_NUMBERS]; + Uint32 ref[ERTS_REF_NUMBERS]; make_ref_in_array(ref); write_ref_thing(hp, ref[0], ref[1], ref[2]); @@ -110,11 +134,11 @@ Eterm erts_make_ref_in_buffer(Eterm buffer[REF_THING_SIZE]) Eterm erts_make_ref(Process *c_p) { Eterm* hp; - Uint32 ref[ERTS_MAX_REF_NUMBERS]; + Uint32 ref[ERTS_REF_NUMBERS]; ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN & erts_proc_lc_my_proc_locks(c_p)); - hp = HAlloc(c_p, REF_THING_SIZE); + hp = HAlloc(c_p, ERTS_REF_THING_SIZE); make_ref_in_array(ref); write_ref_thing(hp, ref[0], ref[1], ref[2]); @@ -122,6 +146,272 @@ Eterm erts_make_ref(Process *c_p) return make_internal_ref(hp); } +/* + * Magic reference tables + */ + +typedef struct { + HashBucket hash; + ErtsMagicBinary *mb; + Uint64 value; + Uint32 thr_id; +} ErtsMagicRefTableEntry; + +typedef struct { + erts_rwmtx_t rwmtx; + Hash hash; + char name[32]; +} ErtsMagicRefTable; + +typedef struct { + union { + ErtsMagicRefTable table; + char align__[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(ErtsMagicRefTable))]; + } u; +} ErtsAlignedMagicRefTable; + +ErtsAlignedMagicRefTable *magic_ref_table; + +ErtsMagicBinary * +erts_magic_ref_lookup_bin__(Uint32 refn[ERTS_REF_NUMBERS]) +{ + ErtsMagicRefTableEntry tmpl; + ErtsMagicRefTableEntry *tep; + ErtsMagicBinary *mb; + ErtsMagicRefTable *tblp; + + ASSERT(erts_is_ref_numbers_magic(refn)); + + tmpl.value = erts_get_ref_numbers_value(refn); + tmpl.thr_id = erts_get_ref_numbers_thr_id(refn); + if (tmpl.thr_id > erts_no_schedulers) + tblp = &magic_ref_table[0].u.table; + else + tblp = &magic_ref_table[tmpl.thr_id].u.table; + + erts_rwmtx_rlock(&tblp->rwmtx); + + tep = (ErtsMagicRefTableEntry *) hash_get(&tblp->hash, &tmpl); + if (!tep) + mb = NULL; + else { + erts_aint_t refc; + mb = tep->mb; + refc = erts_refc_inc_unless(&mb->refc, 0, 0); + if (refc == 0) + mb = NULL; + } + + erts_rwmtx_runlock(&tblp->rwmtx); + + return mb; +} + +void +erts_magic_ref_save_bin__(Eterm ref) +{ + ErtsMagicRefTableEntry tmpl; + ErtsMagicRefTableEntry *tep; + ErtsMRefThing *mrtp; + ErtsMagicRefTable *tblp; + Uint32 *refn; + + ASSERT(is_internal_magic_ref(ref)); + + mrtp = (ErtsMRefThing *) internal_ref_val(ref); + refn = mrtp->mb->refn; + + tmpl.value = erts_get_ref_numbers_value(refn); + tmpl.thr_id = erts_get_ref_numbers_thr_id(refn); + + if (tmpl.thr_id > erts_no_schedulers) + tblp = &magic_ref_table[0].u.table; + else + tblp = &magic_ref_table[tmpl.thr_id].u.table; + + erts_rwmtx_rlock(&tblp->rwmtx); + + tep = (ErtsMagicRefTableEntry *) hash_get(&tblp->hash, &tmpl); + + erts_rwmtx_runlock(&tblp->rwmtx); + + if (!tep) { + ErtsMagicRefTableEntry *used_tep; + + ASSERT(tmpl.value == erts_get_ref_numbers_value(refn)); + ASSERT(tmpl.thr_id == erts_get_ref_numbers_thr_id(refn)); + + if (tblp != &magic_ref_table[0].u.table) { + tep = erts_alloc(ERTS_ALC_T_MREF_NSCHED_ENT, + sizeof(ErtsNSchedMagicRefTableEntry)); + } + else { + tep = erts_alloc(ERTS_ALC_T_MREF_ENT, + sizeof(ErtsMagicRefTableEntry)); + tep->thr_id = tmpl.thr_id; + } + + tep->value = tmpl.value; + tep->mb = mrtp->mb; + + erts_rwmtx_rwlock(&tblp->rwmtx); + + used_tep = hash_put(&tblp->hash, tep); + + erts_rwmtx_rwunlock(&tblp->rwmtx); + + if (used_tep != tep) { + if (tblp != &magic_ref_table[0].u.table) + erts_free(ERTS_ALC_T_MREF_NSCHED_ENT, (void *) tep); + else + erts_free(ERTS_ALC_T_MREF_ENT, (void *) tep); + } + } +} + +void +erts_magic_ref_remove_bin(Uint32 refn[ERTS_REF_NUMBERS]) +{ + ErtsMagicRefTableEntry tmpl; + ErtsMagicRefTableEntry *tep; + ErtsMagicRefTable *tblp; + + tmpl.value = erts_get_ref_numbers_value(refn); + tmpl.thr_id = erts_get_ref_numbers_thr_id(refn); + + if (tmpl.thr_id > erts_no_schedulers) + tblp = &magic_ref_table[0].u.table; + else + tblp = &magic_ref_table[tmpl.thr_id].u.table; + + erts_rwmtx_rlock(&tblp->rwmtx); + + tep = (ErtsMagicRefTableEntry *) hash_get(&tblp->hash, &tmpl); + + erts_rwmtx_runlock(&tblp->rwmtx); + + if (tep) { + + ASSERT(tmpl.value == erts_get_ref_numbers_value(refn)); + ASSERT(tmpl.thr_id == erts_get_ref_numbers_thr_id(refn)); + + erts_rwmtx_rwlock(&tblp->rwmtx); + + tep = hash_remove(&tblp->hash, &tmpl); + ASSERT(tep); + + erts_rwmtx_rwunlock(&tblp->rwmtx); + + if (tblp != &magic_ref_table[0].u.table) + erts_free(ERTS_ALC_T_MREF_NSCHED_ENT, (void *) tep); + else + erts_free(ERTS_ALC_T_MREF_ENT, (void *) tep); + } +} + +static int nsched_mreft_cmp(void *ve1, void *ve2) +{ + ErtsNSchedMagicRefTableEntry *e1 = ve1; + ErtsNSchedMagicRefTableEntry *e2 = ve2; + return e1->value != e2->value; +} + +static int non_nsched_mreft_cmp(void *ve1, void *ve2) +{ + ErtsMagicRefTableEntry *e1 = ve1; + ErtsMagicRefTableEntry *e2 = ve2; + return e1->value != e2->value || e1->thr_id != e2->thr_id; +} + +static HashValue nsched_mreft_hash(void *ve) +{ + ErtsNSchedMagicRefTableEntry *e = ve; + return (HashValue) e->value; +} + +static HashValue non_nsched_mreft_hash(void *ve) +{ + ErtsMagicRefTableEntry *e = ve; + HashValue h; + h = (HashValue) e->thr_id; + h *= 268440163; + h += (HashValue) e->value; + return h; +} + +static void *mreft_alloc(void *ve) +{ + /* + * We allocate the element before + * hash_put() and pass it as + * template which we get as + * input... + */ + return ve; +} + +static void mreft_free(void *ve) +{ + /* + * We free the element ourselves + * after hash_remove()... + */ +} + +static void *mreft_meta_alloc(int i, size_t size) +{ + return erts_alloc(ERTS_ALC_T_MREF_TAB_BKTS, size); +} + +static void mreft_meta_free(int i, void *ptr) +{ + erts_free(ERTS_ALC_T_MREF_TAB_BKTS, ptr); +} + +static void +init_magic_ref_tables(void) +{ + HashFunctions hash_funcs; + int i; + ErtsMagicRefTable *tblp; + + magic_ref_table = erts_alloc_permanent_cache_aligned(ERTS_ALC_T_MREF_TAB, + (sizeof(ErtsAlignedMagicRefTable) + * (erts_no_schedulers + 1))); + + hash_funcs.hash = non_nsched_mreft_hash; + hash_funcs.cmp = non_nsched_mreft_cmp; + + hash_funcs.alloc = mreft_alloc; + hash_funcs.free = mreft_free; + hash_funcs.meta_alloc = mreft_meta_alloc; + hash_funcs.meta_free = mreft_meta_free; + hash_funcs.meta_print = erts_print; + + tblp = &magic_ref_table[0].u.table; + erts_snprintf(&tblp->name[0], sizeof(tblp->name), + "magic_ref_table_0"); + hash_init(0, &tblp->hash, &tblp->name[0], 1, hash_funcs); + erts_rwmtx_init(&tblp->rwmtx, "magic_ref_table"); + + hash_funcs.hash = nsched_mreft_hash; + hash_funcs.cmp = nsched_mreft_cmp; + + for (i = 1; i <= erts_no_schedulers; i++) { + ErtsMagicRefTable *tblp = &magic_ref_table[i].u.table; + erts_snprintf(&tblp->name[0], sizeof(tblp->name), + "magic_ref_table_%d", i); + hash_init(0, &tblp->hash, &tblp->name[0], 1, hash_funcs); + erts_rwmtx_init(&tblp->rwmtx, "magic_ref_table"); + } +} + +void erts_ref_bin_free(ErtsMagicBinary *mb) +{ + erts_bin_free((Binary *) mb); +} + + /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * Unique Integer * \* */ @@ -498,7 +788,7 @@ void erts_sched_bif_unique_init(ErtsSchedulerData *esdp) { esdp->unique = (Uint64) 0; - esdp->ref = (Uint64) 0; + esdp->ref = (Uint64) ref_init_value; } /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ @@ -513,7 +803,7 @@ BIF_RETTYPE make_ref_0(BIF_ALIST_0) ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN & erts_proc_lc_my_proc_locks(BIF_P)); - hp = HAlloc(BIF_P, REF_THING_SIZE); + hp = HAlloc(BIF_P, ERTS_REF_THING_SIZE); res = erts_sched_make_ref_in_buffer(erts_proc_sched_data(BIF_P), hp); diff --git a/erts/emulator/beam/erl_bif_unique.h b/erts/emulator/beam/erl_bif_unique.h index c6481864d0..27c2a15a5e 100644 --- a/erts/emulator/beam/erl_bif_unique.h +++ b/erts/emulator/beam/erl_bif_unique.h @@ -21,16 +21,25 @@ #ifndef ERTS_BIF_UNIQUE_H__ #define ERTS_BIF_UNIQUE_H__ +#include "erl_term.h" #include "erl_process.h" #include "big.h" +#define ERTS_BINARY_TYPES_ONLY__ +#include "erl_binary.h" +#undef ERTS_BINARY_TYPES_ONLY__ void erts_bif_unique_init(void); void erts_sched_bif_unique_init(ErtsSchedulerData *esdp); /* reference */ Eterm erts_make_ref(Process *); -Eterm erts_make_ref_in_buffer(Eterm buffer[REF_THING_SIZE]); -void erts_make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]); +Eterm erts_make_ref_in_buffer(Eterm buffer[ERTS_REF_THING_SIZE]); +void erts_make_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]); +void erts_make_magic_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]); +void erts_magic_ref_remove_bin(Uint32 refn[ERTS_REF_NUMBERS]); +void erts_magic_ref_save_bin__(Eterm ref); +ErtsMagicBinary *erts_magic_ref_lookup_bin__(Uint32 refn[ERTS_REF_NUMBERS]); + /* strict monotonic counter */ @@ -67,19 +76,35 @@ Eterm erts_debug_make_unique_integer(Process *c_p, Eterm etval1); -ERTS_GLB_INLINE void erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS], +ERTS_GLB_INLINE void erts_set_ref_numbers(Uint32 ref[ERTS_REF_NUMBERS], Uint32 thr_id, Uint64 value); -ERTS_GLB_INLINE Uint32 erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_MAX_REF_NUMBERS]); -ERTS_GLB_INLINE Uint64 erts_get_ref_numbers_value(Uint32 ref[ERTS_MAX_REF_NUMBERS]); +ERTS_GLB_INLINE Uint32 erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_REF_NUMBERS]); +ERTS_GLB_INLINE int erts_is_ref_numbers_magic(Uint32 ref[ERTS_REF_NUMBERS]); +ERTS_GLB_INLINE Uint64 erts_get_ref_numbers_value(Uint32 ref[ERTS_REF_NUMBERS]); ERTS_GLB_INLINE void erts_sched_make_ref_in_array(ErtsSchedulerData *esdp, - Uint32 ref[ERTS_MAX_REF_NUMBERS]); + Uint32 ref[ERTS_REF_NUMBERS]); +ERTS_GLB_INLINE void erts_sched_make_magic_ref_in_array(ErtsSchedulerData *esdp, + Uint32 ref[ERTS_REF_NUMBERS]); ERTS_GLB_INLINE Eterm erts_sched_make_ref_in_buffer(ErtsSchedulerData *esdp, - Eterm buffer[REF_THING_SIZE]); + Eterm buffer[ERTS_REF_THING_SIZE]); +ERTS_GLB_INLINE Eterm erts_mk_magic_ref(Eterm **hpp, ErlOffHeap *ohp, Binary *mbp); +ERTS_GLB_INLINE Binary *erts_magic_ref2bin(Eterm mref); +ERTS_GLB_INLINE void erts_magic_ref_save_bin(Eterm ref); +ERTS_GLB_INLINE ErtsMagicBinary *erts_magic_ref_lookup_bin(Uint32 ref[ERTS_REF_NUMBERS]); + +#define ERTS_REF1_MAGIC_MARKER_BIT_NO__ \ + (_REF_NUM_SIZE-1) +#define ERTS_REF1_MAGIC_MARKER_BIT__ \ + (((Uint32) 1) << ERTS_REF1_MAGIC_MARKER_BIT_NO__) +#define ERTS_REF1_THR_ID_MASK__ \ + (ERTS_REF1_MAGIC_MARKER_BIT__-1) +#define ERTS_REF1_NUM_MASK__ \ + (~(ERTS_REF1_THR_ID_MASK__|ERTS_REF1_MAGIC_MARKER_BIT__)) #if ERTS_GLB_INLINE_INCL_FUNC_DEF ERTS_GLB_INLINE void -erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS], Uint32 thr_id, Uint64 value) +erts_set_ref_numbers(Uint32 ref[ERTS_REF_NUMBERS], Uint32 thr_id, Uint64 value) { /* * We cannot use thread id in the first 18-bit word since @@ -87,30 +112,39 @@ erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS], Uint32 thr_id, Uint64 val * we did, we would get really poor hash values. Instead * we have to shuffle the bits a bit. */ - ASSERT(thr_id == (thr_id & ((Uint32) 0x3ffff))); - ref[0] = (Uint32) (value & ((Uint64) 0x3ffff)); - ref[1] = (((Uint32) (value & ((Uint64) 0xfffc0000))) - | (thr_id & ((Uint32) 0x3ffff))); + ASSERT(thr_id == (thr_id & ((Uint32) ERTS_REF1_THR_ID_MASK__))); + ref[0] = (Uint32) (value & ((Uint64) REF_MASK)); + ref[1] = (((Uint32) (value & ((Uint64) ERTS_REF1_NUM_MASK__))) + | (thr_id & ((Uint32) ERTS_REF1_THR_ID_MASK__))); ref[2] = (Uint32) ((value >> 32) & ((Uint64) 0xffffffff)); } ERTS_GLB_INLINE Uint32 -erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_MAX_REF_NUMBERS]) +erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_REF_NUMBERS]) { - return ref[1] & ((Uint32) 0x3ffff); + return ref[1] & ((Uint32) ERTS_REF1_THR_ID_MASK__); +} + +ERTS_GLB_INLINE int +erts_is_ref_numbers_magic(Uint32 ref[ERTS_REF_NUMBERS]) +{ + return !!(ref[1] & ERTS_REF1_MAGIC_MARKER_BIT__); } ERTS_GLB_INLINE Uint64 -erts_get_ref_numbers_value(Uint32 ref[ERTS_MAX_REF_NUMBERS]) +erts_get_ref_numbers_value(Uint32 ref[ERTS_REF_NUMBERS]) { + ERTS_CT_ASSERT((ERTS_REF1_NUM_MASK__ | REF_MASK) == 0xffffffff); + ERTS_CT_ASSERT((ERTS_REF1_NUM_MASK__ & REF_MASK) == 0); + return (((((Uint64) ref[2]) & ((Uint64) 0xffffffff)) << 32) - | (((Uint64) ref[1]) & ((Uint64) 0xfffc0000)) - | (((Uint64) ref[0]) & ((Uint64) 0x3ffff))); + | (((Uint64) ref[1]) & ((Uint64) ERTS_REF1_NUM_MASK__)) + | (((Uint64) ref[0]) & ((Uint64) REF_MASK))); } ERTS_GLB_INLINE void erts_sched_make_ref_in_array(ErtsSchedulerData *esdp, - Uint32 ref[ERTS_MAX_REF_NUMBERS]) + Uint32 ref[ERTS_REF_NUMBERS]) { Uint64 value; @@ -119,18 +153,288 @@ erts_sched_make_ref_in_array(ErtsSchedulerData *esdp, erts_set_ref_numbers(ref, (Uint32) esdp->thr_id, value); } +ERTS_GLB_INLINE void +erts_sched_make_magic_ref_in_array(ErtsSchedulerData *esdp, + Uint32 ref[ERTS_REF_NUMBERS]) +{ + erts_sched_make_ref_in_array(esdp, ref); + ASSERT(!(ref[1] & ERTS_REF1_MAGIC_MARKER_BIT__)); + ref[1] |= ERTS_REF1_MAGIC_MARKER_BIT__; +} + ERTS_GLB_INLINE Eterm erts_sched_make_ref_in_buffer(ErtsSchedulerData *esdp, - Eterm buffer[REF_THING_SIZE]) + Eterm buffer[ERTS_REF_THING_SIZE]) { Eterm* hp = buffer; - Uint32 ref[ERTS_MAX_REF_NUMBERS]; + Uint32 ref[ERTS_REF_NUMBERS]; erts_sched_make_ref_in_array(esdp, ref); write_ref_thing(hp, ref[0], ref[1], ref[2]); return make_internal_ref(hp); } +ERTS_GLB_INLINE Eterm +erts_mk_magic_ref(Eterm **hpp, ErlOffHeap *ohp, Binary *bp) +{ + Eterm *hp = *hpp; + ASSERT(bp->flags & BIN_FLAG_MAGIC); + write_magic_ref_thing(hp, ohp, (ErtsMagicBinary *) bp); + *hpp += ERTS_MAGIC_REF_THING_SIZE; + erts_refc_inc(&bp->refc, 1); + OH_OVERHEAD(ohp, bp->orig_size / sizeof(Eterm)); + return make_internal_ref(hp); +} + +ERTS_GLB_INLINE Binary * +erts_magic_ref2bin(Eterm mref) +{ + ErtsMRefThing *mrtp; + ASSERT(is_internal_magic_ref(mref)); + mrtp = (ErtsMRefThing *) internal_ref_val(mref); + return (Binary *) mrtp->mb; +} + +/* + * Save the magic binary of a ref when the + * ref is exposed to the outside world... + */ +ERTS_GLB_INLINE void +erts_magic_ref_save_bin(Eterm ref) +{ + if (is_internal_magic_ref(ref)) + erts_magic_ref_save_bin__(ref); +} + +/* + * Look up the magic binary of a magic ref + * when the ref comes from the outside world... + */ +ERTS_GLB_INLINE ErtsMagicBinary * +erts_magic_ref_lookup_bin(Uint32 ref[ERTS_REF_NUMBERS]) +{ + if (!erts_is_ref_numbers_magic(ref)) + return NULL; + return erts_magic_ref_lookup_bin__(ref); +} + + #endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */ + +/* + * Storage of internal refs in misc structures... + */ + +#include "erl_message.h" + +#if ERTS_REF_NUMBERS != 3 +# error fix this... +#endif + +ERTS_GLB_INLINE int erts_internal_ref_number_cmp(Uint32 num1[ERTS_REF_NUMBERS], + Uint32 num2[ERTS_REF_NUMBERS]); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE int +erts_internal_ref_number_cmp(Uint32 num1[ERTS_REF_NUMBERS], + Uint32 num2[ERTS_REF_NUMBERS]) +{ + if (num1[2] != num2[2]) + return (int) ((Sint64) num1[2] - (Sint64) num2[2]); + if (num1[1] != num2[1]) + return (int) ((Sint64) num1[1] - (Sint64) num2[1]); + if (num1[0] != num2[0]) + return (int) ((Sint64) num1[0] - (Sint64) num2[0]); + return 0; +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + +/* Iref storage for all internal references... */ +typedef struct { + Uint32 is_magic; + union { + ErtsMagicBinary *mb; + Uint32 num[ERTS_REF_NUMBERS]; + } u; +} ErtsIRefStorage; + +void erts_ref_bin_free(ErtsMagicBinary *mb); + +ERTS_GLB_INLINE void erts_iref_storage_save(ErtsIRefStorage *iref, Eterm ref); +ERTS_GLB_INLINE void erts_iref_storage_clean(ErtsIRefStorage *iref); +ERTS_GLB_INLINE Uint erts_iref_storage_heap_size(ErtsIRefStorage *iref); +ERTS_GLB_INLINE Eterm erts_iref_storage_make_ref(ErtsIRefStorage *iref, + Eterm **hpp, ErlOffHeap *ohp, + int clean_storage); +ERTS_GLB_INLINE int erts_iref_storage_cmp(ErtsIRefStorage *iref1, + ErtsIRefStorage *iref2); + + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE void +erts_iref_storage_save(ErtsIRefStorage *iref, Eterm ref) +{ + Eterm *hp; + + ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3); + ASSERT(is_internal_ref(ref)); + + hp = boxed_val(ref); + + if (is_ordinary_ref_thing(hp)) { + ErtsORefThing *rtp = (ErtsORefThing *) hp; + iref->is_magic = 0; + iref->u.num[0] = rtp->num[0]; + iref->u.num[1] = rtp->num[1]; + iref->u.num[2] = rtp->num[2]; + } + else { + ErtsMRefThing *mrtp = (ErtsMRefThing *) hp; + ASSERT(is_magic_ref_thing(hp)); + iref->is_magic = 1; + iref->u.mb = mrtp->mb; + erts_refc_inc(&mrtp->mb->refc, 1); + } +} + +ERTS_GLB_INLINE void +erts_iref_storage_clean(ErtsIRefStorage *iref) +{ + if (iref->is_magic && erts_refc_dectest(&iref->u.mb->refc, 0) == 0) + erts_ref_bin_free(iref->u.mb); +#ifdef DEBUG + memset((void *) iref, 0xf, sizeof(ErtsIRefStorage)); +#endif +} + +ERTS_GLB_INLINE Uint +erts_iref_storage_heap_size(ErtsIRefStorage *iref) +{ + return iref->is_magic ? ERTS_MAGIC_REF_THING_SIZE : ERTS_REF_THING_SIZE; +} + +ERTS_GLB_INLINE Eterm +erts_iref_storage_make_ref(ErtsIRefStorage *iref, + Eterm **hpp, ErlOffHeap *ohp, + int clean_storage) +{ + Eterm *hp = *hpp; + if (!iref->is_magic) { + write_ref_thing(hp, iref->u.num[0], iref->u.num[1], + iref->u.num[2]); + *hpp += ERTS_REF_THING_SIZE; + } + else { + write_magic_ref_thing(hp, ohp, iref->u.mb); + OH_OVERHEAD(ohp, iref->u.mb->orig_size / sizeof(Eterm)); + *hpp += ERTS_MAGIC_REF_THING_SIZE; + /* + * If we clean storage, the term inherits the + * refc increment of the cleaned storage... + */ + if (!clean_storage) + erts_refc_inc(&iref->u.mb->refc, 1); + } + +#ifdef DEBUG + if (clean_storage) + memset((void *) iref, 0xf, sizeof(ErtsIRefStorage)); +#endif + + return make_internal_ref(hp); +} + +ERTS_GLB_INLINE int +erts_iref_storage_cmp(ErtsIRefStorage *iref1, + ErtsIRefStorage *iref2) +{ + Uint32 *num1 = iref1->is_magic ? iref1->u.mb->refn : iref1->u.num; + Uint32 *num2 = iref2->is_magic ? iref2->u.mb->refn : iref2->u.num; + return erts_internal_ref_number_cmp(num1, num2); +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + + +/* OIref storage for ordinary internal references only... */ +typedef struct { + Uint32 num[ERTS_REF_NUMBERS]; +} ErtsOIRefStorage; + +ERTS_GLB_INLINE void erts_oiref_storage_save(ErtsOIRefStorage *oiref, + Eterm ref); +ERTS_GLB_INLINE Eterm erts_oiref_storage_make_ref(ErtsOIRefStorage *oiref, + Eterm **hpp); +ERTS_GLB_INLINE int erts_oiref_storage_cmp(ErtsOIRefStorage *oiref1, + ErtsOIRefStorage *oiref2); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE void +erts_oiref_storage_save(ErtsOIRefStorage *oiref, Eterm ref) +{ + ErtsORefThing *rtp; + ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3); + ASSERT(is_internal_ordinary_ref(ref)); + + rtp = (ErtsORefThing *) internal_ref_val(ref); + + oiref->num[0] = rtp->num[0]; + oiref->num[1] = rtp->num[1]; + oiref->num[2] = rtp->num[2]; +} + +ERTS_GLB_INLINE Eterm +erts_oiref_storage_make_ref(ErtsOIRefStorage *oiref, Eterm **hpp) +{ + Eterm *hp = *hpp; + ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3); + write_ref_thing(hp, oiref->num[0], oiref->num[1], oiref->num[2]); + *hpp += ERTS_REF_THING_SIZE; + return make_internal_ref(hp); +} + +ERTS_GLB_INLINE int +erts_oiref_storage_cmp(ErtsOIRefStorage *oiref1, + ErtsOIRefStorage *oiref2) +{ + return erts_internal_ref_number_cmp(oiref1->num, oiref2->num); +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + + +ERTS_GLB_INLINE Eterm +erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE Eterm +erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]) +{ + Eterm *hp = HAlloc(c_p, ERTS_REF_THING_SIZE); + write_ref_thing(hp, ref[0], ref[1], ref[2]); + return make_internal_ref(hp); +} + +#endif + #endif /* ERTS_BIF_UNIQUE_H__ */ + +#if (defined(ERTS_ALLOC_C__) || defined(ERL_BIF_UNIQUE_C__)) \ + && !defined(ERTS_BIF_UNIQUE_H__FIX_ALLOC_TYPES__) +#define ERTS_BIF_UNIQUE_H__FIX_ALLOC_TYPES__ + +#include "hash.h" + +typedef struct { + HashBucket hash; + ErtsMagicBinary *mb; + Uint64 value; +} ErtsNSchedMagicRefTableEntry; + +#endif diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h index 52efa06816..db259be2a7 100644 --- a/erts/emulator/beam/erl_binary.h +++ b/erts/emulator/beam/erl_binary.h @@ -18,11 +18,146 @@ * %CopyrightEnd% */ -#ifndef __ERL_BINARY_H -#define __ERL_BINARY_H +#ifndef ERL_BINARY_H__TYPES__ +#define ERL_BINARY_H__TYPES__ + +/* +** Just like the driver binary but with initial flags +** Note that the two structures Binary and ErlDrvBinary HAVE to +** be equal except for extra fields in the beginning of the struct. +** ErlDrvBinary is defined in erl_driver.h. +** When driver_alloc_binary is called, a Binary is allocated, but +** the pointer returned is to the address of the first element that +** also occurs in the ErlDrvBinary struct (driver.*binary takes care if this). +** The driver need never know about additions to the internal Binary of the +** emulator. One should however NEVER be sloppy when mixing ErlDrvBinary +** and Binary, the macros below can convert one type to the other, as they both +** in reality are equal. +*/ + +#ifdef ARCH_32 + /* *DO NOT USE* only for alignment. */ +#define ERTS_BINARY_STRUCT_ALIGNMENT Uint32 align__; +#else +#define ERTS_BINARY_STRUCT_ALIGNMENT +#endif + +/* Add fields in ERTS_INTERNAL_BINARY_FIELDS, otherwise the drivers crash */ +#define ERTS_INTERNAL_BINARY_FIELDS \ + UWord flags; \ + erts_refc_t refc; \ + ERTS_BINARY_STRUCT_ALIGNMENT + +typedef struct binary { + ERTS_INTERNAL_BINARY_FIELDS + SWord orig_size; + char orig_bytes[1]; /* to be continued */ +} Binary; + +#define ERTS_SIZEOF_Binary(Sz) \ + (offsetof(Binary,orig_bytes) + (Sz)) + +#if ERTS_REF_NUMBERS != 3 +#error "Update ErtsMagicBinary" +#endif + +typedef struct magic_binary ErtsMagicBinary; +struct magic_binary { + ERTS_INTERNAL_BINARY_FIELDS + SWord orig_size; + int (*destructor)(Binary *); + Uint32 refn[ERTS_REF_NUMBERS]; + ErtsAlcType_t alloc_type; + union { + struct { + ERTS_BINARY_STRUCT_ALIGNMENT + char data[1]; + } aligned; + struct { + char data[1]; + } unaligned; + } u; +}; + +#ifdef ARCH_32 +#define ERTS_MAGIC_BIN_BYTES_TO_ALIGN 4 +#else +#define ERTS_MAGIC_BIN_BYTES_TO_ALIGN 0 +#endif + +typedef union { + Binary binary; + ErtsMagicBinary magic_binary; + struct { + ERTS_INTERNAL_BINARY_FIELDS + ErlDrvBinary binary; + } driver; +} ErtsBinary; + +/* + * 'Binary' alignment: + * Address of orig_bytes[0] of a Binary should always be 8-byte aligned. + * It is assumed that the flags, refc, and orig_size fields are 4 bytes on + * 32-bits architectures and 8 bytes on 64-bits architectures. + */ + +#define ERTS_MAGIC_BIN_REFN(BP) \ + ((ErtsBinary *) (BP))->magic_binary.refn +#define ERTS_MAGIC_BIN_ATYPE(BP) \ + ((ErtsBinary *) (BP))->magic_binary.alloc_type +#define ERTS_MAGIC_DATA_OFFSET \ + (offsetof(ErtsMagicBinary,u.aligned.data) - offsetof(Binary,orig_bytes)) +#define ERTS_MAGIC_BIN_DESTRUCTOR(BP) \ + ((ErtsBinary *) (BP))->magic_binary.destructor +#define ERTS_MAGIC_BIN_DATA(BP) \ + ((void *) ((ErtsBinary *) (BP))->magic_binary.u.aligned.data) +#define ERTS_MAGIC_BIN_DATA_SIZE(BP) \ + ((BP)->orig_size - ERTS_MAGIC_DATA_OFFSET) +#define ERTS_MAGIC_DATA_OFFSET \ + (offsetof(ErtsMagicBinary,u.aligned.data) - offsetof(Binary,orig_bytes)) +#define ERTS_MAGIC_BIN_ORIG_SIZE(Sz) \ + (ERTS_MAGIC_DATA_OFFSET + (Sz)) +#define ERTS_MAGIC_BIN_SIZE(Sz) \ + (offsetof(ErtsMagicBinary,u.aligned.data) + (Sz)) +#define ERTS_MAGIC_BIN_FROM_DATA(DATA) \ + ((ErtsBinary*)((char*)(DATA) - offsetof(ErtsMagicBinary,u.aligned.data))) + +/* On 32-bit arch these macro variants will save memory + by not forcing 8-byte alignment for the magic payload. +*/ +#define ERTS_MAGIC_BIN_UNALIGNED_DATA(BP) \ + ((void *) ((ErtsBinary *) (BP))->magic_binary.u.unaligned.data) +#define ERTS_MAGIC_UNALIGNED_DATA_OFFSET \ + (offsetof(ErtsMagicBinary,u.unaligned.data) - offsetof(Binary,orig_bytes)) +#define ERTS_MAGIC_BIN_UNALIGNED_DATA_SIZE(BP) \ + ((BP)->orig_size - ERTS_MAGIC_UNALIGNED_DATA_OFFSET) +#define ERTS_MAGIC_BIN_UNALIGNED_ORIG_SIZE(Sz) \ + (ERTS_MAGIC_UNALIGNED_DATA_OFFSET + (Sz)) +#define ERTS_MAGIC_BIN_UNALIGNED_SIZE(Sz) \ + (offsetof(ErtsMagicBinary,u.unaligned.data) + (Sz)) +#define ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(DATA) \ + ((ErtsBinary*)((char*)(DATA) - offsetof(ErtsMagicBinary,u.unaligned.data))) + + +#define Binary2ErlDrvBinary(B) (&((ErtsBinary *) (B))->driver.binary) +#define ErlDrvBinary2Binary(D) ((Binary *) \ + (((char *) (D)) \ + - offsetof(ErtsBinary, driver.binary))) + +/* A "magic" binary flag */ +#define BIN_FLAG_MAGIC 1 +#define BIN_FLAG_USR1 2 /* Reserved for use by different modules too mark */ +#define BIN_FLAG_USR2 4 /* certain binaries as special (used by ets) */ +#define BIN_FLAG_DRV 8 + +#endif /* ERL_BINARY_H__TYPES__ */ + +#if !defined(ERL_BINARY_H__) && !defined(ERTS_BINARY_TYPES_ONLY__) +#define ERL_BINARY_H__ #include "erl_threads.h" #include "bif.h" +#include "erl_bif_unique.h" /* * Maximum number of bytes to place in a heap binary. @@ -165,6 +300,17 @@ BIF_RETTYPE erts_gc_binary_part(Process *p, Eterm *reg, Eterm live, int range_is BIF_RETTYPE erts_binary_part(Process *p, Eterm binary, Eterm epos, Eterm elen); +typedef union { + /* + * These two are almost always of + * the same size, but when fallback + * atomics are used they might + * differ in size. + */ + erts_smp_atomic_t smp_atomic_word; + erts_atomic_t atomic_word; +} ErtsMagicIndirectionWord; + #if defined(__i386__) || !defined(__GNUC__) /* * Doubles aren't required to be 8-byte aligned on intel x86. @@ -190,9 +336,13 @@ ERTS_GLB_INLINE Binary *erts_bin_realloc(Binary *bp, Uint size); ERTS_GLB_INLINE void erts_bin_free(Binary *bp); ERTS_GLB_INLINE Binary *erts_create_magic_binary_x(Uint size, int (*destructor)(Binary *), + ErtsAlcType_t alloc_type, int unaligned); ERTS_GLB_INLINE Binary *erts_create_magic_binary(Uint size, int (*destructor)(Binary *)); +ERTS_GLB_INLINE Binary *erts_create_magic_indirection(int (*destructor)(Binary *)); +ERTS_GLB_INLINE erts_smp_atomic_t *erts_smp_binary_to_magic_indirection(Binary *bp); +ERTS_GLB_INLINE erts_atomic_t *erts_binary_to_magic_indirection(Binary *bp); #if ERTS_GLB_INLINE_INCL_FUNC_DEF @@ -321,12 +471,14 @@ ERTS_GLB_INLINE void erts_bin_free(Binary *bp) { if (bp->flags & BIN_FLAG_MAGIC) { - if (!ERTS_MAGIC_BIN_DESTRUCTOR(bp)(bp)) { + if (!ERTS_MAGIC_BIN_DESTRUCTOR(bp)(bp)) { /* Destructor took control of the deallocation */ return; } + erts_magic_ref_remove_bin(ERTS_MAGIC_BIN_REFN(bp)); + erts_free(ERTS_MAGIC_BIN_ATYPE(bp), (void *) bp); } - if (bp->flags & BIN_FLAG_DRV) + else if (bp->flags & BIN_FLAG_DRV) erts_free(ERTS_ALC_T_DRV_BINARY, (void *) bp); else erts_free(ERTS_ALC_T_BINARY, (void *) bp); @@ -334,29 +486,63 @@ erts_bin_free(Binary *bp) ERTS_GLB_INLINE Binary * erts_create_magic_binary_x(Uint size, int (*destructor)(Binary *), + ErtsAlcType_t alloc_type, int unaligned) { Uint bsize = unaligned ? ERTS_MAGIC_BIN_UNALIGNED_SIZE(size) : ERTS_MAGIC_BIN_SIZE(size); - Binary* bptr = erts_alloc_fnf(ERTS_ALC_T_BINARY, bsize); + Binary* bptr = erts_alloc_fnf(alloc_type, bsize); ASSERT(bsize > size); if (!bptr) - erts_alloc_n_enomem(ERTS_ALC_T2N(ERTS_ALC_T_BINARY), bsize); + erts_alloc_n_enomem(ERTS_ALC_T2N(alloc_type), bsize); ERTS_CHK_BIN_ALIGNMENT(bptr); bptr->flags = BIN_FLAG_MAGIC; bptr->orig_size = unaligned ? ERTS_MAGIC_BIN_UNALIGNED_ORIG_SIZE(size) : ERTS_MAGIC_BIN_ORIG_SIZE(size); erts_refc_init(&bptr->refc, 0); ERTS_MAGIC_BIN_DESTRUCTOR(bptr) = destructor; + ERTS_MAGIC_BIN_ATYPE(bptr) = alloc_type; + erts_make_magic_ref_in_array(ERTS_MAGIC_BIN_REFN(bptr)); return bptr; } ERTS_GLB_INLINE Binary * erts_create_magic_binary(Uint size, int (*destructor)(Binary *)) { - return erts_create_magic_binary_x(size, destructor, 0); + return erts_create_magic_binary_x(size, destructor, + ERTS_ALC_T_BINARY, 0); +} + +ERTS_GLB_INLINE Binary * +erts_create_magic_indirection(int (*destructor)(Binary *)) +{ + return erts_create_magic_binary_x(sizeof(ErtsMagicIndirectionWord), + destructor, + ERTS_ALC_T_MINDIRECTION, + 1); /* Not 64-bit aligned, + but word aligned */ +} + +ERTS_GLB_INLINE erts_smp_atomic_t * +erts_smp_binary_to_magic_indirection(Binary *bp) +{ + ErtsMagicIndirectionWord *mip; + ASSERT(bp->flags & BIN_FLAG_MAGIC); + ASSERT(ERTS_MAGIC_BIN_ATYPE(bp) == ERTS_ALC_T_MINDIRECTION); + mip = ERTS_MAGIC_BIN_UNALIGNED_DATA(bp); + return &mip->smp_atomic_word; +} + +ERTS_GLB_INLINE erts_atomic_t * +erts_binary_to_magic_indirection(Binary *bp) +{ + ErtsMagicIndirectionWord *mip; + ASSERT(bp->flags & BIN_FLAG_MAGIC); + ASSERT(ERTS_MAGIC_BIN_ATYPE(bp) == ERTS_ALC_T_MINDIRECTION); + mip = ERTS_MAGIC_BIN_UNALIGNED_DATA(bp); + return &mip->atomic_word; } #endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ -#endif /* !__ERL_BINARY_H */ +#endif /* !ERL_BINARY_H__ */ diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index fd092015bd..9f077dd407 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -266,7 +266,7 @@ static void schedule_free_dbtable(DbTable* tb) * Caller is *not* allowed to access the specialized part * (hash or tree) of *tb after this function has returned. */ - ASSERT(erts_refc_read(&tb->common.ref, 0) == 0); + ASSERT(erts_smp_refc_read(&tb->common.ref, 0) == 0); erts_schedule_thr_prgr_later_cleanup_op(free_dbtable, (void *) tb, &tb->release.data, @@ -600,11 +600,11 @@ done: */ static ERTS_INLINE void local_fix_table(DbTable* tb) { - erts_refc_inc(&tb->common.ref, 1); + erts_smp_refc_inc(&tb->common.ref, 1); } static ERTS_INLINE void local_unfix_table(DbTable* tb) { - if (erts_refc_dectest(&tb->common.ref, 0) == 0) { + if (erts_smp_refc_dectest(&tb->common.ref, 0) == 0) { ASSERT(IS_HASH_TABLE(tb->common.status)); db_unfix_table_hash(&(tb->hash)); } @@ -1487,7 +1487,7 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) tb->common.type = status & ERTS_ETS_TABLE_TYPES; /* Note, 'type' is *read only* from now on... */ #endif - erts_refc_init(&tb->common.ref, 0); + erts_smp_refc_init(&tb->common.ref, 0); db_init_lock(tb, status & (DB_FINE_LOCKED|DB_FREQ_READ), "db_tab", "db_tab_fix"); tb->common.keypos = keypos; @@ -2779,7 +2779,7 @@ BIF_RETTYPE ets_info_2(BIF_ALIST_2) BIF_RETTYPE ets_is_compiled_ms_1(BIF_ALIST_1) { - if (erts_db_is_compiled_ms(BIF_ARG_1)) { + if (erts_db_get_match_prog_binary(BIF_ARG_1)) { BIF_RET(am_true); } else { BIF_RET(am_false); @@ -2794,9 +2794,9 @@ BIF_RETTYPE ets_match_spec_compile_1(BIF_ALIST_1) BIF_ERROR(BIF_P, BADARG); } - hp = HAlloc(BIF_P, PROC_BIN_SIZE); + hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE); - BIF_RET(erts_mk_magic_binary_term(&hp, &MSO(BIF_P), mp)); + BIF_RET(erts_db_make_match_prog_ref(BIF_P, mp, &hp)); } BIF_RETTYPE ets_match_spec_run_r_3(BIF_ALIST_3) @@ -2805,24 +2805,18 @@ BIF_RETTYPE ets_match_spec_run_r_3(BIF_ALIST_3) int i = 0; Eterm *hp; Eterm lst; - ProcBin *bp; Binary *mp; Eterm res; Uint32 dummy; - if (!(is_list(BIF_ARG_1) || BIF_ARG_1 == NIL) || !is_binary(BIF_ARG_2)) { + if (!(is_list(BIF_ARG_1) || BIF_ARG_1 == NIL)) { error: BIF_ERROR(BIF_P, BADARG); } - bp = (ProcBin*) binary_val(BIF_ARG_2); - if (thing_subtag(bp->thing_word) != REFC_BINARY_SUBTAG) { + mp = erts_db_get_match_prog_binary(BIF_ARG_2); + if (!mp) goto error; - } - mp = bp->val; - if (!IsMatchProgBinary(mp)) { - goto error; - } if (BIF_ARG_1 == NIL) { BIF_RET(BIF_ARG_3); @@ -2990,7 +2984,7 @@ void init_db(ErtsDbSpinCount db_spin_count) meta_pid_to_tab->common.meth = &db_hash; meta_pid_to_tab->common.compress = 0; - erts_refc_init(&meta_pid_to_tab->common.ref, 0); + erts_smp_refc_init(&meta_pid_to_tab->common.ref, 0); /* Neither rwlock or fixlock used db_init_lock(meta_pid_to_tab, "meta_pid_to_tab", "meta_pid_to_tab_FIX");*/ @@ -3021,7 +3015,7 @@ void init_db(ErtsDbSpinCount db_spin_count) meta_pid_to_fixed_tab->common.meth = &db_hash; meta_pid_to_fixed_tab->common.compress = 0; - erts_refc_init(&meta_pid_to_fixed_tab->common.ref, 0); + erts_smp_refc_init(&meta_pid_to_fixed_tab->common.ref, 0); /* Neither rwlock or fixlock used db_init_lock(meta_pid_to_fixed_tab, "meta_pid_to_fixed_tab", "meta_pid_to_fixed_tab_FIX");*/ @@ -3382,7 +3376,7 @@ erts_db_process_exiting(Process *c_p, ErtsProcLocks c_p_locks) if ((*pp)->pid == pid) { DbFixation* fix = *pp; erts_aint_t diff = -((erts_aint_t) fix->counter); - erts_refc_add(&tb->common.ref,diff,0); + erts_smp_refc_add(&tb->common.ref,diff,0); *pp = fix->next; erts_db_free(ERTS_ALC_T_DB_FIXATION, tb, fix, sizeof(DbFixation)); @@ -3458,7 +3452,7 @@ static void fix_table_locked(Process* p, DbTable* tb) #ifdef ERTS_SMP erts_smp_mtx_lock(&tb->common.fixlock); #endif - erts_refc_inc(&tb->common.ref,1); + erts_smp_refc_inc(&tb->common.ref,1); fix = tb->common.fixations; if (fix == NULL) { tb->common.time.monotonic @@ -3514,7 +3508,7 @@ static void unfix_table_locked(Process* p, DbTable* tb, for (pp = &tb->common.fixations; *pp != NULL; pp = &(*pp)->next) { if ((*pp)->pid == p->common.id) { DbFixation* fix = *pp; - erts_refc_dec(&tb->common.ref,0); + erts_smp_refc_dec(&tb->common.ref,0); --(fix->counter); ASSERT(fix->counter >= 0); if (fix->counter > 0) { @@ -3563,7 +3557,7 @@ static void free_fixations_locked(DbTable *tb) fix = tb->common.fixations; while (fix != NULL) { erts_aint_t diff = -((erts_aint_t) fix->counter); - erts_refc_add(&tb->common.ref,diff,0); + erts_smp_refc_add(&tb->common.ref,diff,0); next_fix = fix->next; db_meta_lock(meta_pid_to_fixed_tab, LCK_WRITE_REC); db_erase_bag_exact2(meta_pid_to_fixed_tab, diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index b2a231467b..bb29d56aa7 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -1287,15 +1287,13 @@ static int db_select_continue_hash(Process *p, if (arityval(*tptr) != 6) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - if (!is_small(tptr[2]) || !is_small(tptr[3]) || !is_binary(tptr[4]) || + if (!is_small(tptr[2]) || !is_small(tptr[3]) || !(is_list(tptr[5]) || tptr[5] == NIL) || !is_small(tptr[6])) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); if ((chunk_size = signed_val(tptr[3])) < 0) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - if (!(thing_subtag(*binary_val(tptr[4])) == REFC_BINARY_SUBTAG)) - RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - mp = ((ProcBin *) binary_val(tptr[4]))->val; - if (!IsMatchProgBinary(mp)) + mp = erts_db_get_match_prog_binary(tptr[4]); + if (!mp) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); all_objects = mp->flags & BIN_FLAG_ALL_OBJECTS; match_list = tptr[5]; @@ -1554,8 +1552,8 @@ done: been in 'user space' */ } if (rest != NIL || slot_ix >= 0) { /* Need more calls */ - hp = HAlloc(p,3+7+PROC_BIN_SIZE); - mpb =db_make_mp_binary(p,(mpi.mp),&hp); + hp = HAlloc(p,3+7+ERTS_MAGIC_REF_THING_SIZE); + mpb = erts_db_make_match_prog_ref(p,(mpi.mp),&hp); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; continuation = TUPLE6(hp, tb->common.id,make_small(slot_ix), @@ -1580,8 +1578,8 @@ trap: BUMP_ALL_REDS(p); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - hp = HAlloc(p,7+PROC_BIN_SIZE); - mpb =db_make_mp_binary(p,(mpi.mp),&hp); + hp = HAlloc(p,7+ERTS_MAGIC_REF_THING_SIZE); + mpb = erts_db_make_match_prog_ref(p,(mpi.mp),&hp); continuation = TUPLE6(hp, tb->common.id, make_small(slot_ix), make_small(chunk_size), mpb, match_list, @@ -1693,15 +1691,15 @@ done: trap: BUMP_ALL_REDS(p); if (IS_USMALL(0, got)) { - hp = HAlloc(p, PROC_BIN_SIZE + 5); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE + 5); egot = make_small(got); } else { - hp = HAlloc(p, BIG_UINT_HEAP_SIZE + PROC_BIN_SIZE + 5); + hp = HAlloc(p, BIG_UINT_HEAP_SIZE + ERTS_MAGIC_REF_THING_SIZE + 5); egot = uint_to_big(got, hp); hp += BIG_UINT_HEAP_SIZE; } - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE4(hp, tb->common.id, make_small(slot_ix), mpb, egot); @@ -1838,15 +1836,15 @@ done: trap: BUMP_ALL_REDS(p); if (IS_USMALL(0, got)) { - hp = HAlloc(p, PROC_BIN_SIZE + 5); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE + 5); egot = make_small(got); } else { - hp = HAlloc(p, BIG_UINT_HEAP_SIZE + PROC_BIN_SIZE + 5); + hp = HAlloc(p, BIG_UINT_HEAP_SIZE + ERTS_MAGIC_REF_THING_SIZE + 5); egot = uint_to_big(got, hp); hp += BIG_UINT_HEAP_SIZE; } - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE4(hp, tb->common.id, make_small(slot_ix), mpb, egot); @@ -1887,7 +1885,7 @@ static int db_select_delete_continue_hash(Process *p, tptr = tuple_val(continuation); slot_ix = unsigned_val(tptr[2]); - mp = ((ProcBin *) binary_val(tptr[3]))->val; + mp = erts_db_get_match_prog_binary_unchecked(tptr[3]); if (is_big(tptr[4])) { got = big_to_uint32(tptr[4]); } else { @@ -1999,7 +1997,7 @@ static int db_select_count_continue_hash(Process *p, tptr = tuple_val(continuation); slot_ix = unsigned_val(tptr[2]); - mp = ((ProcBin *) binary_val(tptr[3]))->val; + mp = erts_db_get_match_prog_binary_unchecked(tptr[3]); if (is_big(tptr[4])) { got = big_to_uint32(tptr[4]); } else { diff --git a/erts/emulator/beam/erl_db_tree.c b/erts/emulator/beam/erl_db_tree.c index dd9403e132..c4ecd2ba37 100644 --- a/erts/emulator/beam/erl_db_tree.c +++ b/erts/emulator/beam/erl_db_tree.c @@ -935,17 +935,15 @@ static int db_select_continue_tree(Process *p, if (arityval(*tptr) != 8) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - if (!is_small(tptr[4]) || !is_binary(tptr[5]) || + if (!is_small(tptr[4]) || !(is_list(tptr[6]) || tptr[6] == NIL) || !is_small(tptr[7]) || !is_small(tptr[8])) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); lastkey = tptr[2]; end_condition = tptr[3]; - if (!(thing_subtag(*binary_val(tptr[5])) == REFC_BINARY_SUBTAG)) - RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - mp = ((ProcBin *) binary_val(tptr[5]))->val; - if (!IsMatchProgBinary(mp)) + mp = erts_db_get_match_prog_binary(tptr[5]); + if (!mp) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); chunk_size = signed_val(tptr[4]); @@ -1145,11 +1143,11 @@ static int db_select_tree(Process *p, DbTable *tbl, key = GETKEY(tb, sc.lastobj); sz = size_object(key); - hp = HAlloc(p, 9 + sz + PROC_BIN_SIZE); + hp = HAlloc(p, 9 + sz + ERTS_MAGIC_REF_THING_SIZE); key = copy_struct(key, sz, &hp, &MSO(p)); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - mpb=db_make_mp_binary(p,mpi.mp,&hp); + mpb= erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE8 (hp, @@ -1208,10 +1206,8 @@ static int db_select_count_continue_tree(Process *p, lastkey = tptr[2]; end_condition = tptr[3]; - if (!(thing_subtag(*binary_val(tptr[4])) == REFC_BINARY_SUBTAG)) - RET_TO_BIF(NIL,DB_ERROR_BADPARAM); - mp = ((ProcBin *) binary_val(tptr[4]))->val; - if (!IsMatchProgBinary(mp)) + mp = erts_db_get_match_prog_binary(tptr[4]); + if (!mp) RET_TO_BIF(NIL,DB_ERROR_BADPARAM); sc.p = p; @@ -1338,18 +1334,18 @@ static int db_select_count_tree(Process *p, DbTable *tbl, key = GETKEY(tb, sc.lastobj); sz = size_object(key); if (IS_USMALL(0, sc.got)) { - hp = HAlloc(p, sz + PROC_BIN_SIZE + 6); + hp = HAlloc(p, sz + ERTS_MAGIC_REF_THING_SIZE + 6); egot = make_small(sc.got); } else { - hp = HAlloc(p, BIG_UINT_HEAP_SIZE + sz + PROC_BIN_SIZE + 6); + hp = HAlloc(p, BIG_UINT_HEAP_SIZE + sz + ERTS_MAGIC_REF_THING_SIZE + 6); egot = uint_to_big(sc.got, hp); hp += BIG_UINT_HEAP_SIZE; } key = copy_struct(key, sz, &hp, &MSO(p)); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE5 (hp, @@ -1470,11 +1466,11 @@ static int db_select_chunk_tree(Process *p, DbTable *tbl, key = GETKEY(tb, sc.lastobj); sz = size_object(key); - hp = HAlloc(p, 9 + sz + PROC_BIN_SIZE); + hp = HAlloc(p, 9 + sz + ERTS_MAGIC_REF_THING_SIZE); key = copy_struct(key, sz, &hp, &MSO(p)); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE8 (hp, @@ -1495,12 +1491,12 @@ static int db_select_chunk_tree(Process *p, DbTable *tbl, key = GETKEY(tb, sc.lastobj); sz = size_object(key); - hp = HAlloc(p, 9 + sz + PROC_BIN_SIZE); + hp = HAlloc(p, 9 + sz + ERTS_MAGIC_REF_THING_SIZE); key = copy_struct(key, sz, &hp, &MSO(p)); if (mpi.all_objects) (mpi.mp)->flags |= BIN_FLAG_ALL_OBJECTS; - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE8 (hp, tb->common.id, @@ -1558,7 +1554,7 @@ static int db_select_delete_continue_tree(Process *p, sc.erase_lastterm = 0; /* Before first RET_TO_BIF */ sc.lastterm = NULL; - mp = ((ProcBin *) binary_val(tptr[4]))->val; + mp = erts_db_get_match_prog_binary_unchecked(tptr[4]); sc.p = p; sc.tb = tb; if (is_big(tptr[5])) { @@ -1682,16 +1678,16 @@ static int db_select_delete_tree(Process *p, DbTable *tbl, key = GETKEY(tb, (sc.lastterm)->dbterm.tpl); sz = size_object(key); if (IS_USMALL(0, sc.accum)) { - hp = HAlloc(p, sz + PROC_BIN_SIZE + 6); + hp = HAlloc(p, sz + ERTS_MAGIC_REF_THING_SIZE + 6); eaccsum = make_small(sc.accum); } else { - hp = HAlloc(p, BIG_UINT_HEAP_SIZE + sz + PROC_BIN_SIZE + 6); + hp = HAlloc(p, BIG_UINT_HEAP_SIZE + sz + ERTS_MAGIC_REF_THING_SIZE + 6); eaccsum = uint_to_big(sc.accum, hp); hp += BIG_UINT_HEAP_SIZE; } key = copy_struct(key, sz, &hp, &MSO(p)); - mpb = db_make_mp_binary(p,mpi.mp,&hp); + mpb = erts_db_make_match_prog_ref(p,mpi.mp,&hp); continuation = TUPLE5 (hp, diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 991d63a18b..6f30b1d3dd 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -2546,14 +2546,6 @@ success: } -/* - * Convert a match program to a "magic" binary to return up to erlang - */ -Eterm db_make_mp_binary(Process *p, Binary *mp, Eterm **hpp) -{ - return erts_mk_magic_binary_term(hpp, &MSO(p), mp); -} - DMCErrInfo *db_new_dmc_err_info(void) { DMCErrInfo *ret = erts_alloc(ERTS_ALC_T_DB_DMC_ERR_INFO, @@ -3108,10 +3100,15 @@ void db_cleanup_offheap_comp(DbTerm* obj) break; case FUN_SUBTAG: ASSERT(u.pb != &tmp); - if (erts_refc_dectest(&u.fun->fe->refc, 0) == 0) { + if (erts_smp_refc_dectest(&u.fun->fe->refc, 0) == 0) { erts_erase_fun_entry(u.fun->fe); } break; + case REF_SUBTAG: + ASSERT(is_magic_ref_thing(u.hdr)); + if (erts_refc_dectest(&u.mref->mb->refc, 0) == 0) + erts_bin_free((Binary *)u.mref->mb); + break; default: ASSERT(is_external_header(u.hdr->thing_word)); ASSERT(u.pb != &tmp); @@ -3267,13 +3264,6 @@ int db_has_variable(Eterm node) { return 0; } -int erts_db_is_compiled_ms(Eterm term) -{ - return (is_binary(term) - && (thing_subtag(*binary_val(term)) == REFC_BINARY_SUBTAG) - && IsMatchProgBinary((((ProcBin *) binary_val(term))->val))); -} - /* ** Local (static) utilities. */ @@ -5290,24 +5280,35 @@ void db_match_dis(Binary *bp) case matchEqRef: ++t; { - RefThing *rt = (RefThing *) t; + Uint32 *num; int ri; - n = thing_arityval(rt->header); - erts_printf("EqRef\t(%d) {", (int) n); + + if (is_ordinary_ref_thing(t)) { + ErtsORefThing *rt = (ErtsORefThing *) t; + num = rt->num; + t += TermWords(ERTS_REF_THING_SIZE); + } + else { + ErtsMRefThing *mrt = (ErtsMRefThing *) t; + ASSERT(is_magic_ref_thing(t)); + num = mrt->mb->refn; + t += TermWords(ERTS_MAGIC_REF_THING_SIZE); + } + + erts_printf("EqRef\t(%d) {", (int) ERTS_REF_NUMBERS); first = 1; - for (ri = 0; ri < n; ++ri) { + for (ri = 0; ri < ERTS_REF_NUMBERS; ++ri) { if (first) first = 0; else erts_printf(", "); #if defined(ARCH_64) - erts_printf("0x%016bex", rt->data.ui[ri]); + erts_printf("0x%016bex", num[ri]); #else - erts_printf("0x%08bex", rt->data.ui[ri]); + erts_printf("0x%08bex", num[ri]); #endif } } - t += TermWords(REF_THING_SIZE); erts_printf("}\n"); break; case matchEqBig: diff --git a/erts/emulator/beam/erl_db_util.h b/erts/emulator/beam/erl_db_util.h index 3e29fdcbcf..471fefe3cb 100644 --- a/erts/emulator/beam/erl_db_util.h +++ b/erts/emulator/beam/erl_db_util.h @@ -23,6 +23,7 @@ #include "global.h" #include "erl_message.h" +#include "erl_bif_unique.h" /*#define HARDDEBUG 1*/ @@ -211,7 +212,7 @@ typedef struct db_fixation { */ typedef struct db_table_common { - erts_refc_t ref; /* fixation counter */ + erts_smp_refc_t ref; /* fixation counter */ #ifdef ERTS_SMP erts_smp_rwmtx_t rwlock; /* rw lock on table */ erts_smp_mtx_t fixlock; /* Protects fixations,megasec,sec,microsec */ @@ -260,7 +261,7 @@ typedef struct db_table_common { (DB_BAG | DB_SET | DB_DUPLICATE_BAG))) #define IS_TREE_TABLE(Status) (!!((Status) & \ DB_ORDERED_SET)) -#define NFIXED(T) (erts_refc_read(&(T)->common.ref,0)) +#define NFIXED(T) (erts_smp_refc_read(&(T)->common.ref,0)) #define IS_FIXED(T) (NFIXED(T) != 0) /* @@ -456,10 +457,44 @@ Eterm db_format_dmc_err_info(Process *p, DMCErrInfo *ei); void db_free_dmc_err_info(DMCErrInfo *ei); /* Completely free's an error info structure, including all recorded errors */ -Eterm db_make_mp_binary(Process *p, Binary *mp, Eterm **hpp); -/* Convert a match program to a erlang "magic" binary to be returned to userspace, - increments the reference counter. */ -int erts_db_is_compiled_ms(Eterm term); + +ERTS_GLB_INLINE Eterm erts_db_make_match_prog_ref(Process *p, Binary *mp, Eterm **hpp); +ERTS_GLB_INLINE Binary *erts_db_get_match_prog_binary(Eterm term); +ERTS_GLB_INLINE Binary *erts_db_get_match_prog_binary_unchecked(Eterm term); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +/* + * Convert a match program to a "magic" ref to return up to erlang + */ +ERTS_GLB_INLINE Eterm erts_db_make_match_prog_ref(Process *p, Binary *mp, Eterm **hpp) +{ + return erts_mk_magic_ref(hpp, &MSO(p), mp); +} + +ERTS_GLB_INLINE Binary * +erts_db_get_match_prog_binary_unchecked(Eterm term) +{ + Binary *bp = erts_magic_ref2bin(term); + ASSERT(bp->flags & BIN_FLAG_MAGIC); + ASSERT((ERTS_MAGIC_BIN_DESTRUCTOR(bp) == erts_db_match_prog_destructor)); + return bp; +} + +ERTS_GLB_INLINE Binary * +erts_db_get_match_prog_binary(Eterm term) +{ + Binary *bp; + if (!is_internal_magic_ref(term)) + return NULL; + bp = erts_magic_ref2bin(term); + ASSERT(bp->flags & BIN_FLAG_MAGIC); + if (ERTS_MAGIC_BIN_DESTRUCTOR(bp) != erts_db_match_prog_destructor) + return NULL; + return bp; +} + +#endif /* ** Convenience when compiling into Binary structures diff --git a/erts/emulator/beam/erl_debug.c b/erts/emulator/beam/erl_debug.c index 3526bb684d..517dad9cbb 100644 --- a/erts/emulator/beam/erl_debug.c +++ b/erts/emulator/beam/erl_debug.c @@ -130,7 +130,7 @@ pdisplay1(fmtfn_t to, void *to_arg, Process* p, Eterm obj) Uint32 *ref_num; erts_print(to, to_arg, "#Ref<%lu", ref_channel_no(obj)); ref_num = ref_numbers(obj); - for (i = ref_no_of_numbers(obj)-1; i >= 0; i--) + for (i = ref_no_numbers(obj)-1; i >= 0; i--) erts_print(to, to_arg, ",%lu", ref_num[i]); erts_print(to, to_arg, ">"); break; diff --git a/erts/emulator/beam/erl_fun.c b/erts/emulator/beam/erl_fun.c index 41097203d4..cedc0517e1 100644 --- a/erts/emulator/beam/erl_fun.c +++ b/erts/emulator/beam/erl_fun.c @@ -113,9 +113,9 @@ erts_put_fun_entry(Eterm mod, int uniq, int index) fe = (ErlFunEntry *) hash_put(&erts_fun_table, (void*) &template); sys_memset(fe->uniq, 0, sizeof(fe->uniq)); fe->index = 0; - refc = erts_refc_inctest(&fe->refc, 0); + refc = erts_smp_refc_inctest(&fe->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&fe->refc, 1); + erts_smp_refc_inc(&fe->refc, 1); erts_fun_write_unlock(); return fe; } @@ -137,9 +137,9 @@ erts_put_fun_entry2(Eterm mod, int old_uniq, int old_index, sys_memcpy(fe->uniq, uniq, sizeof(fe->uniq)); fe->index = index; fe->arity = arity; - refc = erts_refc_inctest(&fe->refc, 0); + refc = erts_smp_refc_inctest(&fe->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&fe->refc, 1); + erts_smp_refc_inc(&fe->refc, 1); erts_fun_write_unlock(); return fe; } @@ -164,9 +164,9 @@ erts_get_fun_entry(Eterm mod, int uniq, int index) erts_fun_read_lock(); ret = (ErlFunEntry *) hash_get(&erts_fun_table, (void*) &template); if (ret) { - erts_aint_t refc = erts_refc_inctest(&ret->refc, 1); + erts_aint_t refc = erts_smp_refc_inctest(&ret->refc, 1); if (refc < 2) /* Pending delete */ - erts_refc_inc(&ret->refc, 1); + erts_smp_refc_inc(&ret->refc, 1); } erts_fun_read_unlock(); return ret; @@ -187,7 +187,7 @@ erts_erase_fun_entry(ErlFunEntry* fe) * We have to check refc again since someone might have looked up * the fun entry and incremented refc after last check. */ - if (erts_refc_dectest(&fe->refc, -1) <= 0) + if (erts_smp_refc_dectest(&fe->refc, -1) <= 0) #endif { if (fe->address != unloaded_fun) @@ -274,7 +274,7 @@ erts_fun_purge_complete(ErlFunEntry **funs, Uint no) #ifdef HIPE fe->pend_purge_native_address = NULL; #endif - if (erts_refc_dectest(&fe->refc, 0) == 0) + if (erts_smp_refc_dectest(&fe->refc, 0) == 0) erts_erase_fun_entry(fe); } ERTS_SMP_WRITE_MEMORY_BARRIER; @@ -306,7 +306,7 @@ erts_dump_fun_entries(fmtfn_t to, void *to_arg) #ifdef HIPE erts_print(to, to_arg, "Native_address: %p\n", fe->native_address); #endif - erts_print(to, to_arg, "Refc: %ld\n", erts_refc_read(&fe->refc, 1)); + erts_print(to, to_arg, "Refc: %ld\n", erts_smp_refc_read(&fe->refc, 1)); b = b->next; } } @@ -337,7 +337,7 @@ fun_alloc(ErlFunEntry* template) obj->old_uniq = template->old_uniq; obj->old_index = template->old_index; obj->module = template->module; - erts_refc_init(&obj->refc, -1); + erts_smp_refc_init(&obj->refc, -1); obj->address = unloaded_fun; obj->pend_purge_address = NULL; #ifdef HIPE diff --git a/erts/emulator/beam/erl_fun.h b/erts/emulator/beam/erl_fun.h index 83899f24a6..e3073eb874 100644 --- a/erts/emulator/beam/erl_fun.h +++ b/erts/emulator/beam/erl_fun.h @@ -42,7 +42,7 @@ typedef struct erl_fun_entry { Uint arity; /* The arity of the fun. */ Eterm module; /* Tagged atom for module. */ - erts_refc_t refc; /* Reference count: One for code + one for each + erts_smp_refc_t refc; /* Reference count: One for code + one for each fun object in each process. */ BeamInstr *pend_purge_address; /* address stored during a pending purge */ #ifdef HIPE diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 6815d76776..8cc7fc0142 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -178,7 +178,7 @@ Uint erts_test_long_gc_sleep; /* Only used for testing... */ typedef struct { Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Uint req_sched; erts_smp_atomic32_t refc; } ErtsGCInfoReq; @@ -2354,6 +2354,9 @@ copy_one_frag(Eterm** hpp, ErlOffHeap* off_heap, switch (val & _HEADER_SUBTAG_MASK) { case ARITYVAL_SUBTAG: break; + case REF_SUBTAG: + if (is_ordinary_ref_thing(fhp - 1)) + goto the_default; case REFC_BINARY_SUBTAG: case FUN_SUBTAG: case EXTERNAL_PID_SUBTAG: @@ -2363,6 +2366,7 @@ copy_one_frag(Eterm** hpp, ErlOffHeap* off_heap, cpy_sz = thing_arityval(val); goto cpy_words; default: + the_default: cpy_sz = header_arity(val); cpy_words: @@ -2796,6 +2800,16 @@ link_live_proc_bin(struct shrink_cand_data *shrink, *prevppp = &pbp->next; } +#ifdef ERTS_MAGIC_REF_THING_HEADER +/* + * ERTS_MAGIC_REF_THING_HEADER only defined when there + * is a size difference between magic and ordinary references... + */ +# define ERTS_USED_MAGIC_REF_THING_HEADER__ ERTS_MAGIC_REF_THING_HEADER +#else +# define ERTS_USED_MAGIC_REF_THING_HEADER__ ERTS_REF_THING_HEADER +#endif + static void sweep_off_heap(Process *p, int fullsweep) @@ -2820,7 +2834,7 @@ sweep_off_heap(Process *p, int fullsweep) prev = &MSO(p).first; ptr = MSO(p).first; - /* Firts part of the list will reside on the (old) new-heap. + /* First part of the list will reside on the (old) new-heap. * Keep if moved, otherwise deref. */ while (ptr) { @@ -2828,7 +2842,8 @@ sweep_off_heap(Process *p, int fullsweep) ASSERT(!ErtsInArea(ptr, oheap, oheap_sz)); *prev = ptr = (struct erl_off_heap_header*) boxed_val(ptr->thing_word); ASSERT(!IS_MOVED_BOXED(ptr->thing_word)); - if (ptr->thing_word == HEADER_PROC_BIN) { + switch (ptr->thing_word) { + case HEADER_PROC_BIN: { int to_new_heap = !ErtsInArea(ptr, oheap, oheap_sz); ASSERT(to_new_heap == !seen_mature || (!to_new_heap && (seen_mature=1))); if (to_new_heap) { @@ -2837,13 +2852,28 @@ sweep_off_heap(Process *p, int fullsweep) BIN_OLD_VHEAP(p) += ptr->size / sizeof(Eterm); /* for binary gc (words)*/ } link_live_proc_bin(&shrink, &prev, &ptr, to_new_heap); - } - else { + break; + } + case ERTS_USED_MAGIC_REF_THING_HEADER__: { + Uint size; + int to_new_heap = !ErtsInArea(ptr, oheap, oheap_sz); + ASSERT(is_magic_ref_thing(ptr)); + ASSERT(to_new_heap == !seen_mature || (!to_new_heap && (seen_mature=1))); + size = (Uint) ((ErtsMRefThing *) ptr)->mb->orig_size; + if (to_new_heap) + bin_vheap += size / sizeof(Eterm); + else + BIN_OLD_VHEAP(p) += size / sizeof(Eterm); /* for binary gc (words)*/ + /* fall through... */ + } + default: prev = &ptr->next; ptr = ptr->next; } } - else if (!ErtsInArea(ptr, oheap, oheap_sz)) { + else if (ErtsInArea(ptr, oheap, oheap_sz)) + break; /* and let old-heap loop continue */ + else { /* garbage */ switch (thing_subtag(ptr->thing_word)) { case REFC_BINARY_SUBTAG: @@ -2857,18 +2887,26 @@ sweep_off_heap(Process *p, int fullsweep) case FUN_SUBTAG: { ErlFunEntry* fe = ((ErlFunThing*)ptr)->fe; - if (erts_refc_dectest(&fe->refc, 0) == 0) { + if (erts_smp_refc_dectest(&fe->refc, 0) == 0) { erts_erase_fun_entry(fe); } break; } + case REF_SUBTAG: + { + ErtsMagicBinary *bptr; + ASSERT(is_magic_ref_thing(ptr)); + bptr = ((ErtsMRefThing *) ptr)->mb; + if (erts_refc_dectest(&bptr->refc, 0) == 0) + erts_bin_free((Binary *) bptr); + break; + } default: ASSERT(is_external_header(ptr->thing_word)); erts_deref_node_entry(((ExternalThing*)ptr)->node); } *prev = ptr = ptr->next; } - else break; /* and let old-heap loop continue */ } /* The rest of the list resides on old-heap, and we just did a @@ -2877,15 +2915,24 @@ sweep_off_heap(Process *p, int fullsweep) while (ptr) { ASSERT(ErtsInArea(ptr, oheap, oheap_sz)); ASSERT(!IS_MOVED_BOXED(ptr->thing_word)); - if (ptr->thing_word == HEADER_PROC_BIN) { + switch (ptr->thing_word) { + case HEADER_PROC_BIN: BIN_OLD_VHEAP(p) += ptr->size / sizeof(Eterm); /* for binary gc (words)*/ link_live_proc_bin(&shrink, &prev, &ptr, 0); - } - else { - ASSERT(is_fun_header(ptr->thing_word) || - is_external_header(ptr->thing_word)); - prev = &ptr->next; - ptr = ptr->next; + break; + case ERTS_USED_MAGIC_REF_THING_HEADER__: + ASSERT(is_magic_ref_thing(ptr)); + BIN_OLD_VHEAP(p) += + (((Uint) ((ErtsMRefThing *) ptr)->mb->orig_size) + / sizeof(Eterm)); /* for binary gc (words)*/ + /* fall through... */ + default: + ASSERT(is_fun_header(ptr->thing_word) || + is_external_header(ptr->thing_word) + || is_magic_ref_thing(ptr)); + prev = &ptr->next; + ptr = ptr->next; + break; } } @@ -2978,6 +3025,9 @@ offset_heap(Eterm* hp, Uint sz, Sint offs, char* area, Uint area_size) } tari = thing_arityval(val); switch (thing_subtag(val)) { + case REF_SUBTAG: + if (is_ordinary_ref_thing(hp)) + break; case REFC_BINARY_SUBTAG: case FUN_SUBTAG: case EXTERNAL_PID_SUBTAG: @@ -3175,7 +3225,7 @@ reply_gc_info(void *vgcirp) if (hpp) ref_copy = STORE_NC(hpp, ohp, gcirp->ref); else - *szp += REF_THING_SIZE; + *szp += ERTS_REF_THING_SIZE; msg = erts_bld_tuple(hpp, szp, 3, make_small(esdp->no), @@ -3439,8 +3489,8 @@ erts_max_heap_size(Eterm arg, Uint *max_heap_size, Uint *max_heap_flags) #if defined(DEBUG) || defined(ERTS_OFFHEAP_DEBUG) -static int -within2(Eterm *ptr, Process *p, Eterm *real_htop) +int +erts_dbg_within_proc(Eterm *ptr, Process *p, Eterm *real_htop) { ErlHeapFragment* bp; ErtsMessage* mp; @@ -3486,12 +3536,6 @@ within2(Eterm *ptr, Process *p, Eterm *real_htop) return 0; } -int -within(Eterm *ptr, Process *p) -{ - return within2(ptr, p, NULL); -} - #endif #ifdef ERTS_OFFHEAP_DEBUG @@ -3525,12 +3569,16 @@ erts_check_off_heap2(Process *p, Eterm *htop) refc = erts_refc_read(&u.pb->val->refc, 1); break; case FUN_SUBTAG: - refc = erts_refc_read(&u.fun->fe->refc, 1); + refc = erts_smp_refc_read(&u.fun->fe->refc, 1); break; case EXTERNAL_PID_SUBTAG: case EXTERNAL_PORT_SUBTAG: case EXTERNAL_REF_SUBTAG: - refc = erts_refc_read(&u.ext->node->refc, 1); + refc = erts_smp_refc_read(&u.ext->node->refc, 1); + break; + case REF_SUBTAG: + ASSERT(is_magic_ref_thing(u.hdr)); + refc = erts_refc_read(&u.mref->mb->refc, 1); break; default: ASSERT(!"erts_check_off_heap2: Invalid thing_word"); @@ -3546,7 +3594,7 @@ erts_check_off_heap2(Process *p, Eterm *htop) else if (oheap <= u.ep && u.ep < ohtop) old = 1; else { - ERTS_CHK_OFFHEAP_ASSERT(within2(u.ep, p, htop)); + ERTS_CHK_OFFHEAP_ASSERT(erts_dbg_within_proc(u.ep, p, htop)); } } diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h index f4cbe732ce..1cce426d21 100644 --- a/erts/emulator/beam/erl_gc.h +++ b/erts/emulator/beam/erl_gc.h @@ -67,10 +67,6 @@ do { \ while (nelts--) *HTOP++ = *PTR++; \ } while(0) -#if defined(DEBUG) || defined(ERTS_OFFHEAP_DEBUG) -int within(Eterm *ptr, Process *p); -#endif - #define ErtsInYoungGen(TPtr, Ptr, OldHeap, OldHeapSz) \ (!erts_is_literal((TPtr), (Ptr)) \ & !ErtsInArea((Ptr), (OldHeap), (OldHeapSz))) @@ -157,5 +153,8 @@ void erts_free_heap_frags(struct process* p); Eterm erts_max_heap_size_map(Sint, Uint, Eterm **, Uint *); int erts_max_heap_size(Eterm, Uint *, Uint *); void erts_deallocate_young_generation(Process *c_p); +#if defined(DEBUG) || defined(ERTS_OFFHEAP_DEBUG) +int erts_dbg_within_proc(Eterm *ptr, Process *p, Eterm* real_htop); +#endif #endif /* __ERL_GC_H__ */ diff --git a/erts/emulator/beam/erl_hl_timer.c b/erts/emulator/beam/erl_hl_timer.c index 647fa26811..26be8c7edf 100644 --- a/erts/emulator/beam/erl_hl_timer.c +++ b/erts/emulator/beam/erl_hl_timer.c @@ -1771,7 +1771,7 @@ setup_bif_timer(Process *c_p, ErtsMonotonicTime timeout_pos, esdp = erts_proc_sched_data(c_p); - hp = HAlloc(c_p, REF_THING_SIZE); + hp = HAlloc(c_p, ERTS_REF_THING_SIZE); ref = erts_sched_make_ref_in_buffer(esdp, hp); ASSERT(erts_get_ref_numbers_thr_id( @@ -1939,7 +1939,7 @@ access_sched_local_btm(Process *c_p, Eterm pid, Eterm *hp_end; #endif - hsz = REF_THING_SIZE; + hsz = ERTS_REF_THING_SIZE; if (async) { refn = trefn; /* timer ref */ hsz += 4; /* 3-tuple */ @@ -1973,7 +1973,7 @@ access_sched_local_btm(Process *c_p, Eterm pid, refn[1], refn[2]); ref = make_internal_ref(hp); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; msg = (async ? TUPLE3(hp, (cancel @@ -2087,7 +2087,7 @@ try_access_sched_remote_btm(ErtsSchedulerData *esdp, ErtsProcLocks proc_locks = ERTS_PROC_LOCK_MAIN; ErlOffHeap *ohp; - hsz = 4 + REF_THING_SIZE; + hsz = 4 + ERTS_REF_THING_SIZE; if (time_left > (Sint64) MAX_SMALL) hsz += ERTS_SINT64_HEAP_SIZE(time_left); @@ -2103,7 +2103,7 @@ try_access_sched_remote_btm(ErtsSchedulerData *esdp, trefn[1], trefn[2]); tref = make_internal_ref(hp); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; if (time_left < 0) res = am_false; @@ -2189,7 +2189,7 @@ access_bif_timer(Process *c_p, Eterm tref, int cancel, int async, int info) Eterm *hp, rref; Uint32 *rrefn; - hp = HAlloc(c_p, REF_THING_SIZE); + hp = HAlloc(c_p, ERTS_REF_THING_SIZE); rref = erts_sched_make_ref_in_buffer(esdp, hp); rrefn = internal_ref_numbers(rref); diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index c5904b375e..b2c307e826 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -111,12 +111,19 @@ const int etp_lock_check = 1; #else const int etp_lock_check = 0; #endif -#ifdef WORDS_BIGENDIAN -const int etp_big_endian = 1; +const int etp_endianness = ERTS_ENDIANNESS; +const Eterm etp_ref_header = ERTS_REF_THING_HEADER; +#ifdef ERTS_MAGIC_REF_THING_HEADER +const Eterm etp_magic_ref_header = ERTS_MAGIC_REF_THING_HEADER; #else -const int etp_big_endian = 0; +const Eterm etp_magic_ref_header = ERTS_REF_THING_HEADER; #endif const Eterm etp_the_non_value = THE_NON_VALUE; +#ifdef ERTS_HOLE_MARKER +const Eterm etp_hole_marker = ERTS_HOLE_MARKER; +#else +const Eterm etp_hole_marker = 0; +#endif /* * Note about VxWorks: All variables must be initialized by executable code, @@ -767,6 +774,8 @@ early_init(int *argc, char **argv) /* H_MAX_SIZE = H_DEFAULT_MAX_SIZE; H_MAX_FLAGS = MAX_HEAP_SIZE_KILL|MAX_HEAP_SIZE_LOG; + erts_term_init(); + erts_initialized = 0; erts_use_sender_punish = 1; @@ -1138,6 +1147,8 @@ early_init(int *argc, char **argv) /* no_schedulers_online = schdlrs_onln; erts_no_schedulers = (Uint) no_schedulers; +#else + erts_no_schedulers = 1; #endif #ifdef ERTS_DIRTY_SCHEDULERS erts_no_dirty_cpu_schedulers = no_dirty_cpu_schedulers = dirty_cpu_scheds; @@ -2220,7 +2231,6 @@ erl_start(int argc, char **argv) init_break_handler(); if (replace_intr) erts_replace_intr(); - sys_init_suspend_handler(); #endif boot_argc = argc - i; /* Number of arguments to init */ diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index 0798faf53a..6ff9aea5ab 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -159,6 +159,7 @@ static erts_lc_lock_order_t erts_lock_order[] = { { "tracer_mtx", NULL }, { "port_table", NULL }, #endif + { "magic_ref_table", "address" }, { "mtrace_op", NULL }, { "instr_x", NULL }, { "instr", NULL }, diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h index 4f838f7faa..71cd73ee27 100644 --- a/erts/emulator/beam/erl_lock_count.h +++ b/erts/emulator/beam/erl_lock_count.h @@ -129,7 +129,7 @@ typedef struct { typedef struct erts_lcnt_lock_stats_s { /* "tries" and "colls" needs to be atomic since - * trylock busy does not aquire a lock and there + * trylock busy does not acquire a lock and there * is no post action to rectify the situation */ diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c index 3015158b24..9062e44b10 100644 --- a/erts/emulator/beam/erl_map.c +++ b/erts/emulator/beam/erl_map.c @@ -1198,7 +1198,7 @@ static int hashmap_merge_ctx_destructor(Binary* ctx_bin) } BIF_RETTYPE maps_merge_trap_1(BIF_ALIST_1) { - Binary* ctx_bin = ((ProcBin *) binary_val(BIF_ARG_1))->val; + Binary* ctx_bin = erts_magic_ref2bin(BIF_ARG_1); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(ctx_bin) == hashmap_merge_ctx_destructor); @@ -1454,9 +1454,9 @@ trap: /* Yield */ hashmap_merge_ctx_destructor); ctx = ERTS_MAGIC_BIN_DATA(ctx_b); sys_memcpy(ctx, &local_ctx, sizeof(HashmapMergeContext)); - hp = HAlloc(p, PROC_BIN_SIZE); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); ASSERT(ctx->trap_bin == THE_NON_VALUE); - ctx->trap_bin = erts_mk_magic_binary_term(&hp, &MSO(p), ctx_b); + ctx->trap_bin = erts_mk_magic_ref(&hp, &MSO(p), ctx_b); erts_set_gc_state(p, 0); } diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index 792b69bb37..f181c1e3cb 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -172,10 +172,15 @@ erts_cleanup_offheap(ErlOffHeap *offheap) } break; case FUN_SUBTAG: - if (erts_refc_dectest(&u.fun->fe->refc, 0) == 0) { + if (erts_smp_refc_dectest(&u.fun->fe->refc, 0) == 0) { erts_erase_fun_entry(u.fun->fe); } break; + case REF_SUBTAG: + ASSERT(is_magic_ref_thing(u.hdr)); + if (erts_refc_dectest(&u.mref->mb->refc, 0) == 0) + erts_bin_free((Binary *)u.mref->mb); + break; default: ASSERT(is_external_header(u.hdr->thing_word)); erts_deref_node_entry(u.ext->node); @@ -285,9 +290,11 @@ erts_queue_dist_message(Process *rcvr, if (!(rcvr_locks & ERTS_PROC_LOCK_MSGQ)) { if (erts_smp_proc_trylock(rcvr, ERTS_PROC_LOCK_MSGQ) == EBUSY) { ErtsProcLocks need_locks = ERTS_PROC_LOCK_MSGQ; - if (rcvr_locks & ERTS_PROC_LOCK_STATUS) { - erts_smp_proc_unlock(rcvr, ERTS_PROC_LOCK_STATUS); - need_locks |= ERTS_PROC_LOCK_STATUS; + ErtsProcLocks unlocks = + rcvr_locks & ERTS_PROC_LOCKS_HIGHER_THAN(ERTS_PROC_LOCK_MSGQ); + if (unlocks) { + erts_smp_proc_unlock(rcvr, unlocks); + need_locks |= unlocks; } erts_smp_proc_lock(rcvr, need_locks); } @@ -406,7 +413,7 @@ queue_messages(Process* receiver, if (state & (ERTS_PSFLG_EXITING|ERTS_PSFLG_PENDING_EXIT)) goto exiting; - need_locks = receiver_locks & (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE); + need_locks = receiver_locks & ERTS_PROC_LOCKS_HIGHER_THAN(ERTS_PROC_LOCK_MSGQ); if (need_locks) { erts_smp_proc_unlock(receiver, need_locks); } diff --git a/erts/emulator/beam/erl_monitors.c b/erts/emulator/beam/erl_monitors.c index e5be66be79..6dee1d5ef3 100644 --- a/erts/emulator/beam/erl_monitors.c +++ b/erts/emulator/beam/erl_monitors.c @@ -24,7 +24,7 @@ * key in the monitor case and the pid of the linked process as key in the * link case. Lookups the order of the references is somewhat special. Local * references are strictly smaller than remote references and are sorted - * by inlined comparision functionality. Remote references are handled by the + * by inlined comparison functionality. Remote references are handled by the * usual cmp function. * Each Monitor is tagged with different tags depending on which end of the * monitor it is. @@ -45,6 +45,7 @@ #include "bif.h" #include "big.h" #include "erl_monitors.h" +#include "erl_bif_unique.h" #define STACK_NEED 50 #define MAX_MONITORS 0xFFFFFFFFUL @@ -79,7 +80,24 @@ static ERTS_INLINE int cmp_mon_ref(Eterm ref1, Eterm ref2) b2 = boxed_val(ref2); if (is_ref_thing_header(*b1)) { if (is_ref_thing_header(*b2)) { - return memcmp(b1+1,b2+1,ERTS_REF_WORDS*sizeof(Uint)); + Uint32 *num1, *num2; + if (is_ordinary_ref_thing(b1)) { + ErtsORefThing *rtp = (ErtsORefThing *) b1; + num1 = rtp->num; + } + else { + ErtsMRefThing *mrtp = (ErtsMRefThing *) b1; + num1 = mrtp->mb->refn; + } + if (is_ordinary_ref_thing(b2)) { + ErtsORefThing *rtp = (ErtsORefThing *) b2; + num2 = rtp->num; + } + else { + ErtsMRefThing *mrtp = (ErtsMRefThing *) b2; + num2 = mrtp->mb->refn; + } + return erts_internal_ref_number_cmp(num1, num2); } return -1; } @@ -97,14 +115,15 @@ do { \ Uint i__; \ Uint len__; \ ASSERT((Hp)); \ - ASSERT(is_internal_ref((From)) || is_external((From))); \ + ASSERT(is_internal_ordinary_ref((From)) \ + || is_external((From))); \ (To) = make_boxed((Hp)); \ len__ = thing_arityval(*boxed_val((From))) + 1; \ for(i__ = 0; i__ < len__; i__++) \ (*((Hp)++)) = boxed_val((From))[i__]; \ if (is_external((To))) { \ external_thing_ptr((To))->next = NULL; \ - erts_refc_inc(&(external_thing_ptr((To))->node->refc), 2);\ + erts_smp_refc_inc(&(external_thing_ptr((To))->node->refc), 2);\ } \ } \ } while (0) @@ -135,7 +154,7 @@ static ErtsMonitor *create_monitor(Uint type, Eterm ref, UWord entity, Eterm nam n->type = (Uint16) type; n->balance = 0; /* Always the same initial value */ n->name = name; /* atom() or [] */ - CP_LINK_VAL(n->ref, hp, ref); /*XXX Unneccesary check, never immediate*/ + CP_LINK_VAL(n->ref, hp, ref); /*XXX Unnecessary check, never immediate*/ if (type == MON_NIF_TARGET) n->u.resource = (ErtsResource*)entity; else @@ -342,6 +361,8 @@ void erts_add_monitor(ErtsMonitor **root, Uint type, Eterm ref, UWord entity, int state = 0; ErtsMonitor **this = root; Sint c; + + ASSERT(is_internal_ordinary_ref(ref) || is_external_ref(ref)); dstack[0] = DIR_END; for (;;) { diff --git a/erts/emulator/beam/erl_monitors.h b/erts/emulator/beam/erl_monitors.h index f90ac930e5..f659829e6c 100644 --- a/erts/emulator/beam/erl_monitors.h +++ b/erts/emulator/beam/erl_monitors.h @@ -92,7 +92,7 @@ /* Size of a monitor without heap, in words (fixalloc) */ #define ERTS_MONITOR_SIZE ((sizeof(ErtsMonitor) - sizeof(Uint))/sizeof(Uint)) -#define ERTS_MONITOR_SH_SIZE (ERTS_MONITOR_SIZE + REF_THING_SIZE) +#define ERTS_MONITOR_SH_SIZE (ERTS_MONITOR_SIZE + ERTS_REF_THING_SIZE) #define ERTS_LINK_SIZE ((sizeof(ErtsLink) - sizeof(Uint))/sizeof(Uint)) #define ERTS_LINK_SH_SIZE ERTS_LINK_SIZE /* Size of fix-alloced links */ diff --git a/erts/emulator/beam/erl_msacc.c b/erts/emulator/beam/erl_msacc.c index 66bb55e6c8..1c3160efaf 100644 --- a/erts/emulator/beam/erl_msacc.c +++ b/erts/emulator/beam/erl_msacc.c @@ -66,9 +66,9 @@ static Uint msacc_unmanaged_count = 0; #endif #if ERTS_MSACC_STATE_COUNT < MAP_SMALL_MAP_LIMIT -#define DEFAULT_MSACC_MSG_SIZE (3 + 1 + ERTS_MSACC_STATE_COUNT * 2 + 3 + REF_THING_SIZE) +#define DEFAULT_MSACC_MSG_SIZE (3 + 1 + ERTS_MSACC_STATE_COUNT * 2 + 3 + ERTS_REF_THING_SIZE) #else -#define DEFAULT_MSACC_MSG_SIZE (3 + ERTS_MSACC_STATE_COUNT * 3 + 3 + REF_THING_SIZE) +#define DEFAULT_MSACC_MSG_SIZE (3 + ERTS_MSACC_STATE_COUNT * 3 + 3 + ERTS_REF_THING_SIZE) #endif /* we have to split initiation as atoms are not inited in early init */ @@ -212,7 +212,7 @@ typedef struct { int action; Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Uint req_sched; erts_smp_atomic32_t refc; } ErtsMSAccReq; @@ -245,7 +245,7 @@ static void send_reply(ErtsMsAcc *msacc, ErtsMSAccReq *msaccrp) { if (msacc->unmanaged) erts_mtx_lock(&msacc->mtx); - hp = erts_produce_heap(&factory, REF_THING_SIZE + 3 /* tuple */, 0); + hp = erts_produce_heap(&factory, ERTS_REF_THING_SIZE + 3 /* tuple */, 0); ref_copy = STORE_NC(&hp, &msgp->hfrag.off_heap, msaccrp->ref); msg = erts_msacc_gather_stats(msacc, &factory); msg = TUPLE2(hp, ref_copy, msg); @@ -255,7 +255,7 @@ static void send_reply(ErtsMsAcc *msacc, ErtsMSAccReq *msaccrp) { erts_factory_close(&factory); } else { ErlOffHeap *ohp = NULL; - msgp = erts_alloc_message_heap(rp, &rp_locks, REF_THING_SIZE, &hp, &ohp); + msgp = erts_alloc_message_heap(rp, &rp_locks, ERTS_REF_THING_SIZE, &hp, &ohp); msg = STORE_NC(&hp, &msgp->hfrag.off_heap, msaccrp->ref); } diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index cd6fbf276b..7e7b78ec14 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -95,6 +95,14 @@ static void add_readonly_check(ErlNifEnv*, unsigned char* ptr, unsigned sz); # define ADD_READONLY_CHECK(ENV,PTR,SIZE) ((void)0) #endif +#ifdef ERTS_NIF_ASSERT_IN_ENV +# define ASSERT_IN_ENV(ENV, TERM, NR, TYPE) dbg_assert_in_env(ENV, TERM, NR, TYPE, __func__) +static void dbg_assert_in_env(ErlNifEnv*, Eterm term, int nr, const char* type, const char* func); +# include "erl_gc.h" +#else +# define ASSERT_IN_ENV(ENV, TERM, NR, TYPE) +#endif + #ifdef DEBUG static int is_offheap(const ErlOffHeap* off_heap); #endif @@ -202,6 +210,9 @@ void erts_pre_nif(ErlNifEnv* env, Process* p, struct erl_module_nif* mod_nif, ASSERT(p->common.id != ERTS_INVALID_PID); +#ifdef ERTS_NIF_ASSERT_IN_ENV + env->dbg_disable_assert_in_env = 0; +#endif #if defined(DEBUG) && defined(ERTS_DIRTY_SCHEDULERS) { ErtsSchedulerData *esdp = erts_get_scheduler_data(); @@ -487,11 +498,15 @@ setup_nif_env(struct enif_msg_environment_t* msg_env, HEAP_END(&msg_env->phony_proc) = phony_heap; MBUF(&msg_env->phony_proc) = NULL; msg_env->phony_proc.common.id = ERTS_INVALID_PID; + msg_env->env.tracee = tracee; + #ifdef FORCE_HEAP_FRAGS msg_env->phony_proc.space_verified = 0; msg_env->phony_proc.space_verified_from = NULL; #endif - msg_env->env.tracee = tracee; +#ifdef ERTS_NIF_ASSERT_IN_ENV + msg_env->env.dbg_disable_assert_in_env = 0; +#endif } ErlNifEnv* enif_alloc_env(void) @@ -708,7 +723,7 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, Uint sz; INITIALIZE_LITERAL_PURGE_AREA(litarea); sz = size_object_litopt(msg, &litarea); - if (env && !env->tracee) { + if (c_p && !env->tracee) { full_flush_env(env); mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp); full_cache_env(env); @@ -1592,6 +1607,9 @@ int enif_make_existing_atom_len(ErlNifEnv* env, const char* name, size_t len, ERL_NIF_TERM enif_make_tuple(ErlNifEnv* env, unsigned cnt, ...) { +#ifdef ERTS_NIF_ASSERT_IN_ENV + int nr = 0; +#endif Eterm* hp = alloc_heap(env,cnt+1); Eterm ret = make_tuple(hp); va_list ap; @@ -1599,7 +1617,9 @@ ERL_NIF_TERM enif_make_tuple(ErlNifEnv* env, unsigned cnt, ...) *hp++ = make_arityval(cnt); va_start(ap,cnt); while (cnt--) { - *hp++ = va_arg(ap,Eterm); + Eterm elem = va_arg(ap,Eterm); + ASSERT_IN_ENV(env, elem, ++nr, "tuple"); + *hp++ = elem; } va_end(ap); return ret; @@ -1607,12 +1627,16 @@ ERL_NIF_TERM enif_make_tuple(ErlNifEnv* env, unsigned cnt, ...) ERL_NIF_TERM enif_make_tuple_from_array(ErlNifEnv* env, const ERL_NIF_TERM arr[], unsigned cnt) { +#ifdef ERTS_NIF_ASSERT_IN_ENV + int nr = 0; +#endif Eterm* hp = alloc_heap(env,cnt+1); Eterm ret = make_tuple(hp); const Eterm* src = arr; *hp++ = make_arityval(cnt); while (cnt--) { + ASSERT_IN_ENV(env, *src, ++nr, "tuple"); *hp++ = *src++; } return ret; @@ -1623,6 +1647,8 @@ ERL_NIF_TERM enif_make_list_cell(ErlNifEnv* env, Eterm car, Eterm cdr) Eterm* hp = alloc_heap(env,2); Eterm ret = make_list(hp); + ASSERT_IN_ENV(env, car, 0, "head of list cell"); + ASSERT_IN_ENV(env, cdr, 0, "tail of list cell"); CAR(hp) = car; CDR(hp) = cdr; return ret; @@ -1634,6 +1660,9 @@ ERL_NIF_TERM enif_make_list(ErlNifEnv* env, unsigned cnt, ...) return NIL; } else { +#ifdef ERTS_NIF_ASSERT_IN_ENV + int nr = 0; +#endif Eterm* hp = alloc_heap(env,cnt*2); Eterm ret = make_list(hp); Eterm* last = &ret; @@ -1641,8 +1670,10 @@ ERL_NIF_TERM enif_make_list(ErlNifEnv* env, unsigned cnt, ...) va_start(ap,cnt); while (cnt--) { + Eterm term = va_arg(ap,Eterm); *last = make_list(hp); - *hp = va_arg(ap,Eterm); + ASSERT_IN_ENV(env, term, ++nr, "list"); + *hp = term; last = ++hp; ++hp; } @@ -1654,14 +1685,19 @@ ERL_NIF_TERM enif_make_list(ErlNifEnv* env, unsigned cnt, ...) ERL_NIF_TERM enif_make_list_from_array(ErlNifEnv* env, const ERL_NIF_TERM arr[], unsigned cnt) { +#ifdef ERTS_NIF_ASSERT_IN_ENV + int nr = 0; +#endif Eterm* hp = alloc_heap(env,cnt*2); Eterm ret = make_list(hp); Eterm* last = &ret; const Eterm* src = arr; while (cnt--) { + Eterm term = *src++; *last = make_list(hp); - *hp = *src++; + ASSERT_IN_ENV(env, term, ++nr, "list"); + *hp = term; last = ++hp; ++hp; } @@ -1685,7 +1721,7 @@ ERL_NIF_TERM enif_make_string_len(ErlNifEnv* env, const char* string, ERL_NIF_TERM enif_make_ref(ErlNifEnv* env) { - Eterm* hp = alloc_heap(env, REF_THING_SIZE); + Eterm* hp = alloc_heap(env, ERTS_REF_THING_SIZE); return erts_make_ref_in_buffer(hp); } @@ -1694,13 +1730,9 @@ void enif_system_info(ErlNifSysInfo *sip, size_t si_size) driver_system_info(sip, si_size); } -int enif_make_reverse_list(ErlNifEnv* env, ERL_NIF_TERM term, ERL_NIF_TERM *list) { - Eterm *listptr, ret = NIL, *hp; - - if (is_nil(term)) { - *list = term; - return 1; - } +int enif_make_reverse_list(ErlNifEnv* env, ERL_NIF_TERM term, ERL_NIF_TERM *list) +{ + Eterm *listptr, ret, *hp; ret = NIL; @@ -2349,6 +2381,7 @@ void* enif_alloc_resource(ErlNifResourceType* type, size_t data_sz) magic_sz += data_sz; } bin = erts_create_magic_binary_x(magic_sz, NIF_RESOURCE_DTOR, + ERTS_ALC_T_BINARY, 1); /* unaligned */ resource = ERTS_MAGIC_BIN_UNALIGNED_DATA(bin); @@ -2404,42 +2437,63 @@ Eterm erts_bld_resource_ref(Eterm** hpp, ErlOffHeap* oh, ErtsResource* resource) { ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); ASSERT(!resource->dbg_is_dying); - return erts_mk_magic_binary_term(hpp, oh, &bin->binary); + return erts_mk_magic_ref(hpp, oh, &bin->binary); } ERL_NIF_TERM enif_make_resource(ErlNifEnv* env, void* obj) { ErtsResource* resource = DATA_TO_RESOURCE(obj); ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); - Eterm* hp = alloc_heap(env,PROC_BIN_SIZE); - ASSERT(!resource->dbg_is_dying); - return erts_mk_magic_binary_term(&hp, &MSO(env->proc), &bin->binary); + Eterm* hp = alloc_heap(env, ERTS_MAGIC_REF_THING_SIZE); + return erts_mk_magic_ref(&hp, &MSO(env->proc), &bin->binary); } ERL_NIF_TERM enif_make_resource_binary(ErlNifEnv* env, void* obj, const void* data, size_t size) { - Eterm bin = enif_make_resource(env, obj); - ProcBin* pb = (ProcBin*) binary_val(bin); - pb->bytes = (byte*) data; + ErtsResource* resource = DATA_TO_RESOURCE(obj); + ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(resource); + ErlOffHeap *ohp = &MSO(env->proc); + Eterm* hp = alloc_heap(env,PROC_BIN_SIZE); + ProcBin* pb = (ProcBin *) hp; + + pb->thing_word = HEADER_PROC_BIN; pb->size = size; - return bin; + pb->next = ohp->first; + ohp->first = (struct erl_off_heap_header*) pb; + pb->val = &bin->binary; + pb->bytes = (byte*) data; + pb->flags = 0; + + OH_OVERHEAD(ohp, size / sizeof(Eterm)); + erts_refc_inc(&bin->binary.refc, 1); + + return make_binary(hp); } int enif_get_resource(ErlNifEnv* env, ERL_NIF_TERM term, ErlNifResourceType* type, void** objp) { - ProcBin* pb; Binary* mbin; ErtsResource* resource; - if (!ERTS_TERM_IS_MAGIC_BINARY(term)) { - return 0; + if (is_internal_magic_ref(term)) + mbin = erts_magic_ref2bin(term); + else { + Eterm *hp; + if (!is_binary(term)) + return 0; + hp = binary_val(term); + if (thing_subtag(*hp) != REFC_BINARY_SUBTAG) + return 0; + /* + if (((ProcBin *) hp)->size != 0) { + return 0; / * Or should we allow "resource binaries" as handles? * / + } + */ + mbin = ((ProcBin *) hp)->val; + if (!(mbin->flags & BIN_FLAG_MAGIC)) + return 0; } - pb = (ProcBin*) binary_val(term); - /*if (pb->size != 0) { - return 0; / * Or should we allow "resource binaries" as handles? * / - }*/ - mbin = pb->val; resource = (ErtsResource*) ERTS_MAGIC_BIN_UNALIGNED_DATA(mbin); if (ERTS_MAGIC_BIN_DESTRUCTOR(mbin) != NIF_RESOURCE_DTOR || resource->type != type) { @@ -2746,10 +2800,13 @@ enif_schedule_nif(ErlNifEnv* env, const char* fun_name, int flags, if (flags == 0) result = schedule(env, execute_nif, fp, proc->current->module, fun_name_atom, argc, argv); + else if (!(flags & ~(ERL_NIF_DIRTY_JOB_IO_BOUND|ERL_NIF_DIRTY_JOB_CPU_BOUND))) { #ifdef ERTS_DIRTY_SCHEDULERS - else if (!(flags & ~(ERL_NIF_DIRTY_JOB_IO_BOUND|ERL_NIF_DIRTY_JOB_CPU_BOUND))) result = schedule_dirty_nif(env, flags, fp, fun_name_atom, argc, argv); +#else + result = enif_raise_exception(env, am_notsup); #endif + } else result = enif_make_badarg(env); @@ -2824,6 +2881,10 @@ int enif_make_map_put(ErlNifEnv* env, if (!is_map(map_in)) { return 0; } + ASSERT_IN_ENV(env, map_in, 0, "old map"); + ASSERT_IN_ENV(env, key, 0, "key"); + ASSERT_IN_ENV(env, value, 0, "value"); + flush_env(env); *map_out = erts_maps_put(env->proc, key, value, map_in); cache_env(env); @@ -2858,6 +2919,10 @@ int enif_make_map_update(ErlNifEnv* env, return 0; } + ASSERT_IN_ENV(env, map_in, 0, "old map"); + ASSERT_IN_ENV(env, key, 0, "key"); + ASSERT_IN_ENV(env, value, 0, "value"); + flush_env(env); res = erts_maps_update(env->proc, key, value, map_in, map_out); cache_env(env); @@ -3065,7 +3130,7 @@ int enif_monitor_process(ErlNifEnv* env, void* obj, const ErlNifPid* target_pid, int scheduler; ErtsResource* rsrc = DATA_TO_RESOURCE(obj); Process *rp; - Eterm tmp[REF_THING_SIZE]; + Eterm tmp[ERTS_REF_THING_SIZE]; Eterm ref; int retval; @@ -3132,7 +3197,7 @@ int enif_demonitor_process(ErlNifEnv* env, void* obj, const ErlNifMonitor* monit Process *rp; ErtsMonitor *mon; ErtsMonitor *rmon = NULL; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Eterm ref; int is_exiting; @@ -3141,7 +3206,7 @@ int enif_demonitor_process(ErlNifEnv* env, void* obj, const ErlNifMonitor* monit execution_state(env, NULL, &scheduler); - memcpy(ref_heap, monitor, sizeof(Eterm)*REF_THING_SIZE); + memcpy(ref_heap, monitor, sizeof(Eterm)*ERTS_REF_THING_SIZE); ref = make_internal_ref(ref_heap); erts_smp_mtx_lock(&rsrc->monitors->lock); mon = erts_remove_monitor(&rsrc->monitors->root, ref); @@ -3205,7 +3270,8 @@ int enif_demonitor_process(ErlNifEnv* env, void* obj, const ErlNifMonitor* monit int enif_compare_monitors(const ErlNifMonitor *monitor1, const ErlNifMonitor *monitor2) { - return memcmp(monitor1,monitor2,sizeof(ErlNifMonitor)); + return sys_memcmp((void *) monitor1, (void *) monitor2, + ERTS_REF_THING_SIZE*sizeof(Eterm)); } /*************************************************************************** @@ -3733,6 +3799,9 @@ Eterm erts_nif_call_function(Process *p, Process *tracee, clear_offheap(&MSO(p)); erts_pre_nif(&env, p, mod, tracee); +#ifdef ERTS_NIF_ASSERT_IN_ENV + env.dbg_disable_assert_in_env = 1; +#endif nif_result = (*fun->fptr)(&env, argc, argv); if (env.exception_thrown) nif_result = THE_NON_VALUE; @@ -3755,6 +3824,9 @@ Eterm erts_nif_call_function(Process *p, Process *tracee, so we create a phony one. */ struct enif_msg_environment_t msg_env; pre_nif_noproc(&msg_env, mod, tracee); +#ifdef ERTS_NIF_ASSERT_IN_ENV + msg_env.env.dbg_disable_assert_in_env = 1; +#endif nif_result = (*fun->fptr)(&msg_env.env, argc, argv); if (msg_env.env.exception_thrown) nif_result = THE_NON_VALUE; @@ -3819,6 +3891,55 @@ static unsigned calc_checksum(unsigned char* ptr, unsigned size) #endif /* READONLY_CHECK */ +#ifdef ERTS_NIF_ASSERT_IN_ENV +static void dbg_assert_in_env(ErlNifEnv* env, Eterm term, + int nr, const char* type, const char* func) +{ + Uint saved_used_size; + Eterm* real_htop; + + if (is_immed(term) + || (is_non_value(term) && env->exception_thrown) + || erts_is_literal(term, ptr_val(term))) + return; + + if (env->dbg_disable_assert_in_env) { + /* + * Trace nifs may cheat as built terms are discarded after return. + * ToDo: Check if 'term' is part of argv[]. + */ + return; + } + + if (env->heap_frag) { + ASSERT(env->heap_frag == MBUF(env->proc)); + ASSERT(env->hp >= env->heap_frag->mem); + ASSERT(env->hp <= env->heap_frag->mem + env->heap_frag->alloc_size); + saved_used_size = env->heap_frag->used_size; + env->heap_frag->used_size = env->hp - env->heap_frag->mem; + real_htop = NULL; + } + else { + real_htop = env->hp; + } + if (!erts_dbg_within_proc(ptr_val(term), env->proc, real_htop)) { + fprintf(stderr, "\r\nFAILED ASSERTION in %s:\r\n", func); + if (nr) { + fprintf(stderr, "Term #%d of the %s is not from same ErlNifEnv.", + nr, type); + } + else { + fprintf(stderr, "The %s is not from the same ErlNifEnv.", type); + } + fprintf(stderr, "\r\nABORTING\r\n"); + abort(); + } + if (env->heap_frag) { + env->heap_frag->used_size = saved_used_size; + } +} +#endif + #ifdef HAVE_USE_DTRACE #define MESSAGE_BUFSIZ 1024 diff --git a/erts/emulator/beam/erl_node_container_utils.h b/erts/emulator/beam/erl_node_container_utils.h index 0c76c6fe7d..e27f1d121a 100644 --- a/erts/emulator/beam/erl_node_container_utils.h +++ b/erts/emulator/beam/erl_node_container_utils.h @@ -255,19 +255,16 @@ extern ErtsPTab erts_port; * Refs * \* */ +#define internal_ref_no_numbers(x) ERTS_REF_NUMBERS +#define internal_ref_numbers(x) (is_internal_ordinary_ref((x)) \ + ? internal_ordinary_ref_numbers((x)) \ + : (ASSERT(is_internal_magic_ref((x))), \ + internal_magic_ref_numbers((x)))) #if defined(ARCH_64) -#define internal_ref_no_of_numbers(x) \ - (internal_ref_data((x))[0]) -#define internal_thing_ref_no_of_numbers(thing) \ - (internal_thing_ref_data(thing)[0]) -#define internal_ref_numbers(x) \ - (&internal_ref_data((x))[1]) -#define internal_thing_ref_numbers(thing) \ - (&internal_thing_ref_data(thing)[1]) -#define external_ref_no_of_numbers(x) \ +#define external_ref_no_numbers(x) \ (external_ref_data((x))[0]) -#define external_thing_ref_no_of_numbers(thing) \ +#define external_thing_ref_no_numbers(thing) \ (external_thing_ref_data(thing)[0]) #define external_ref_numbers(x) \ (&external_ref_data((x))[1]) @@ -277,12 +274,8 @@ extern ErtsPTab erts_port; #else -#define internal_ref_no_of_numbers(x) (internal_ref_data_words((x))) -#define internal_thing_ref_no_of_numbers(t) (internal_thing_ref_data_words(t)) -#define internal_ref_numbers(x) (internal_ref_data((x))) -#define internal_thing_ref_numbers(t) (internal_thing_ref_data(t)) -#define external_ref_no_of_numbers(x) (external_ref_data_words((x))) -#define external_thing_ref_no_of_numbers(t) (external_thing_ref_data_words((t))) +#define external_ref_no_numbers(x) (external_ref_data_words((x))) +#define external_thing_ref_no_numbers(t) (external_thing_ref_data_words((t))) #define external_ref_numbers(x) (external_ref_data((x))) #define external_thing_ref_numbers(t) (external_thing_ref_data((t))) @@ -299,15 +292,9 @@ extern ErtsPTab erts_port; #define internal_ref_channel_no(x) (internal_channel_no((x))) #define external_ref_channel_no(x) (external_channel_no((x))) -#define ref_data_words(x) (is_internal_ref((x)) \ - ? internal_ref_data_words((x)) \ - : external_ref_data_words((x))) -#define ref_data(x) (is_internal_ref((x)) \ - ? internal_ref_data((x)) \ - : external_ref_data((x))) -#define ref_no_of_numbers(x) (is_internal_ref((x)) \ - ? internal_ref_no_of_numbers((x))\ - : external_ref_no_of_numbers((x))) +#define ref_no_numbers(x) (is_internal_ref((x)) \ + ? internal_ref_no_numbers((x))\ + : external_ref_no_numbers((x))) #define ref_numbers(x) (is_internal_ref((x)) \ ? internal_ref_numbers((x)) \ : external_ref_numbers((x))) diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c index f463f7fdf4..e2072fe30f 100644 --- a/erts/emulator/beam/erl_node_tables.c +++ b/erts/emulator/beam/erl_node_tables.c @@ -98,7 +98,7 @@ dist_table_alloc(void *dep_tmpl) dist_entries++; dep->prev = NULL; - erts_refc_init(&dep->refc, -1); + erts_smp_refc_init(&dep->refc, -1); erts_smp_rwmtx_init_opt_x(&dep->rwmtx, &rwmtx_opt, "dist_entry", chnl_nr); dep->sysname = sysname; dep->cid = NIL; @@ -208,7 +208,7 @@ erts_channel_no_to_dist_entry(Uint cno) * to the node name is used as channel no. */ if(cno == ERST_INTERNAL_CHANNEL_NO) { - erts_refc_inc(&erts_this_dist_entry->refc, 2); + erts_smp_refc_inc(&erts_this_dist_entry->refc, 2); return erts_this_dist_entry; } @@ -231,16 +231,16 @@ erts_sysname_to_connected_dist_entry(Eterm sysname) de.sysname = sysname; if(erts_this_dist_entry->sysname == sysname) { - erts_refc_inc(&erts_this_dist_entry->refc, 2); + erts_smp_refc_inc(&erts_this_dist_entry->refc, 2); return erts_this_dist_entry; } erts_smp_rwmtx_rlock(&erts_dist_table_rwmtx); res_dep = (DistEntry *) hash_get(&erts_dist_table, (void *) &de); if (res_dep) { - erts_aint_t refc = erts_refc_inctest(&res_dep->refc, 1); + erts_aint_t refc = erts_smp_refc_inctest(&res_dep->refc, 1); if (refc < 2) /* Pending delete */ - erts_refc_inc(&res_dep->refc, 1); + erts_smp_refc_inc(&res_dep->refc, 1); } erts_smp_rwmtx_runlock(&erts_dist_table_rwmtx); if (res_dep) { @@ -267,9 +267,9 @@ DistEntry *erts_find_or_insert_dist_entry(Eterm sysname) de.sysname = sysname; erts_smp_rwmtx_rwlock(&erts_dist_table_rwmtx); res = hash_put(&erts_dist_table, (void *) &de); - refc = erts_refc_inctest(&res->refc, 0); + refc = erts_smp_refc_inctest(&res->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&res->refc, 1); + erts_smp_refc_inc(&res->refc, 1); erts_smp_rwmtx_rwunlock(&erts_dist_table_rwmtx); return res; } @@ -282,9 +282,9 @@ DistEntry *erts_find_dist_entry(Eterm sysname) erts_smp_rwmtx_rlock(&erts_dist_table_rwmtx); res = hash_get(&erts_dist_table, (void *) &de); if (res) { - erts_aint_t refc = erts_refc_inctest(&res->refc, 1); + erts_aint_t refc = erts_smp_refc_inctest(&res->refc, 1); if (refc < 2) /* Pending delete */ - erts_refc_inc(&res->refc, 1); + erts_smp_refc_inc(&res->refc, 1); } erts_smp_rwmtx_runlock(&erts_dist_table_rwmtx); return res; @@ -311,7 +311,7 @@ static void try_delete_dist_entry(void *vdep) * * If refc > 0, the entry is in use. Keep the entry. */ - refc = erts_refc_dectest(&dep->refc, -1); + refc = erts_smp_refc_dectest(&dep->refc, -1); if (refc == -1) (void) hash_erase(&erts_dist_table, (void *) dep); erts_smp_rwmtx_rwunlock(&erts_dist_table_rwmtx); @@ -518,7 +518,7 @@ node_table_alloc(void *venp_tmpl) node_entries++; - erts_refc_init(&enp->refc, -1); + erts_smp_refc_init(&enp->refc, -1); enp->creation = ((ErlNode *) venp_tmpl)->creation; enp->sysname = ((ErlNode *) venp_tmpl)->sysname; enp->dist_entry = erts_find_or_insert_dist_entry(((ErlNode *) venp_tmpl)->sysname); @@ -585,9 +585,9 @@ ErlNode *erts_find_or_insert_node(Eterm sysname, Uint32 creation) erts_smp_rwmtx_rlock(&erts_node_table_rwmtx); res = hash_get(&erts_node_table, (void *) &ne); if (res && res != erts_this_node) { - erts_aint_t refc = erts_refc_inctest(&res->refc, 0); + erts_aint_t refc = erts_smp_refc_inctest(&res->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&res->refc, 1); + erts_smp_refc_inc(&res->refc, 1); } erts_smp_rwmtx_runlock(&erts_node_table_rwmtx); if (res) @@ -597,9 +597,9 @@ ErlNode *erts_find_or_insert_node(Eterm sysname, Uint32 creation) res = hash_put(&erts_node_table, (void *) &ne); ASSERT(res); if (res != erts_this_node) { - erts_aint_t refc = erts_refc_inctest(&res->refc, 0); + erts_aint_t refc = erts_smp_refc_inctest(&res->refc, 0); if (refc < 2) /* New or pending delete */ - erts_refc_inc(&res->refc, 1); + erts_smp_refc_inc(&res->refc, 1); } erts_smp_rwmtx_rwunlock(&erts_node_table_rwmtx); return res; @@ -626,7 +626,7 @@ static void try_delete_node(void *venp) * * If refc > 0, the entry is in use. Keep the entry. */ - refc = erts_refc_dectest(&enp->refc, -1); + refc = erts_smp_refc_dectest(&enp->refc, -1); if (refc == -1) (void) hash_erase(&erts_node_table, (void *) enp); erts_smp_rwmtx_rwunlock(&erts_node_table_rwmtx); @@ -672,7 +672,7 @@ static void print_node(void *venp, void *vpndp) erts_print(pndp->to, pndp->to_arg, " %d", enp->creation); #ifdef DEBUG erts_print(pndp->to, pndp->to_arg, " (refc=%ld)", - erts_refc_read(&enp->refc, 0)); + erts_smp_refc_read(&enp->refc, 0)); #endif pndp->no_sysname++; } @@ -715,19 +715,19 @@ void erts_set_this_node(Eterm sysname, Uint creation) { ERTS_SMP_LC_ASSERT(erts_thr_progress_is_blocking()); - ASSERT(erts_refc_read(&erts_this_dist_entry->refc, 2)); + ASSERT(erts_smp_refc_read(&erts_this_dist_entry->refc, 2)); - if (erts_refc_dectest(&erts_this_node->refc, 0) == 0) + if (erts_smp_refc_dectest(&erts_this_node->refc, 0) == 0) try_delete_node(erts_this_node); - if (erts_refc_dectest(&erts_this_dist_entry->refc, 0) == 0) + if (erts_smp_refc_dectest(&erts_this_dist_entry->refc, 0) == 0) try_delete_dist_entry(erts_this_dist_entry); erts_this_node = NULL; /* to make sure refc is bumped for this node */ erts_this_node = erts_find_or_insert_node(sysname, creation); erts_this_dist_entry = erts_this_node->dist_entry; - erts_refc_inc(&erts_this_dist_entry->refc, 2); + erts_smp_refc_inc(&erts_this_dist_entry->refc, 2); erts_this_node_sysname = erts_this_node_sysname_BUFFER; erts_snprintf(erts_this_node_sysname, sizeof(erts_this_node_sysname_BUFFER), @@ -789,13 +789,13 @@ void erts_init_node_tables(int dd_sec) node_tmpl.creation = 0; erts_this_node = hash_put(&erts_node_table, &node_tmpl); /* +1 for erts_this_node */ - erts_refc_init(&erts_this_node->refc, 1); + erts_smp_refc_init(&erts_this_node->refc, 1); ASSERT(erts_this_node->dist_entry != NULL); erts_this_dist_entry = erts_this_node->dist_entry; /* +1 for erts_this_dist_entry */ /* +1 for erts_this_node->dist_entry */ - erts_refc_init(&erts_this_dist_entry->refc, 2); + erts_smp_refc_init(&erts_this_dist_entry->refc, 2); erts_this_node_sysname = erts_this_node_sysname_BUFFER; @@ -1126,12 +1126,12 @@ insert_offheap(ErlOffHeap *oh, int type, Eterm id) for (u.hdr = oh->first; u.hdr; u.hdr = u.hdr->next) { switch (thing_subtag(u.hdr->thing_word)) { - case REFC_BINARY_SUBTAG: - if(IsMatchProgBinary(u.pb->val)) { + case REF_SUBTAG: + if(IsMatchProgBinary(u.mref->mb)) { InsertedBin *ib; int insert_bin = 1; for (ib = inserted_bins; ib; ib = ib->next) - if(ib->bin_val == u.pb->val) { + if(ib->bin_val == (Binary *) u.mref->mb) { insert_bin = 0; break; } @@ -1140,18 +1140,19 @@ insert_offheap(ErlOffHeap *oh, int type, Eterm id) Uint *hp = &id_heap[0]; InsertedBin *nib; UseTmpHeapNoproc(BIG_UINT_HEAP_SIZE); - a.id = erts_bld_uint(&hp, NULL, (Uint) u.pb->val); - erts_match_prog_foreach_offheap(u.pb->val, + a.id = erts_bld_uint(&hp, NULL, (Uint) u.mref->mb); + erts_match_prog_foreach_offheap((Binary *) u.mref->mb, insert_offheap2, (void *) &a); nib = erts_alloc(ERTS_ALC_T_NC_TMP, sizeof(InsertedBin)); - nib->bin_val = u.pb->val; + nib->bin_val = (Binary *) u.mref->mb; nib->next = inserted_bins; inserted_bins = nib; UnUseTmpHeapNoproc(BIG_UINT_HEAP_SIZE); } } break; + case REFC_BINARY_SUBTAG: case FUN_SUBTAG: break; /* No need to */ default: @@ -1623,7 +1624,7 @@ reference_table_term(Uint **hpp, Uint *szp) tup = MK_2TUP(referred_nodes[i].node->sysname, MK_UINT(referred_nodes[i].node->creation)); - tup = MK_3TUP(tup, MK_UINT(erts_refc_read(&referred_nodes[i].node->refc, 0)), nril); + tup = MK_3TUP(tup, MK_UINT(erts_smp_refc_read(&referred_nodes[i].node->refc, 0)), nril); nl = MK_CONS(tup, nl); } @@ -1684,7 +1685,7 @@ reference_table_term(Uint **hpp, Uint *szp) /* DistList = [{Dist, Refc, ReferenceIdList}] */ tup = MK_3TUP(referred_dists[i].dist->sysname, - MK_UINT(erts_refc_read(&referred_dists[i].dist->refc, 0)), + MK_UINT(erts_smp_refc_read(&referred_dists[i].dist->refc, 0)), dril); dl = MK_CONS(tup, dl); } diff --git a/erts/emulator/beam/erl_node_tables.h b/erts/emulator/beam/erl_node_tables.h index 47a6724c21..35051173d0 100644 --- a/erts/emulator/beam/erl_node_tables.h +++ b/erts/emulator/beam/erl_node_tables.h @@ -107,7 +107,7 @@ typedef struct dist_entry_ { HashBucket hash_bucket; /* Hash bucket */ struct dist_entry_ *next; /* Next entry in dist_table (not sorted) */ struct dist_entry_ *prev; /* Previous entry in dist_table (not sorted) */ - erts_refc_t refc; /* Reference count */ + erts_smp_refc_t refc; /* Reference count */ erts_smp_rwmtx_t rwmtx; /* Protects all fields below until lck_mtx. */ Eterm sysname; /* name@host atom for efficiency */ @@ -149,7 +149,7 @@ typedef struct dist_entry_ { typedef struct erl_node_ { HashBucket hash_bucket; /* Hash bucket */ - erts_refc_t refc; /* Reference count */ + erts_smp_refc_t refc; /* Reference count */ Eterm sysname; /* name@host atom for efficiency */ Uint32 creation; /* Creation */ DistEntry *dist_entry; /* Corresponding dist entry */ @@ -210,7 +210,7 @@ ERTS_GLB_INLINE void erts_deref_dist_entry(DistEntry *dep) { ASSERT(dep); - if (erts_refc_dectest(&dep->refc, 0) == 0) + if (erts_smp_refc_dectest(&dep->refc, 0) == 0) erts_schedule_delete_dist_entry(dep); } @@ -218,7 +218,7 @@ ERTS_GLB_INLINE void erts_deref_node_entry(ErlNode *np) { ASSERT(np); - if (erts_refc_dectest(&np->refc, 0) == 0) + if (erts_smp_refc_dectest(&np->refc, 0) == 0) erts_schedule_delete_node(np); } diff --git a/erts/emulator/beam/erl_printf_term.c b/erts/emulator/beam/erl_printf_term.c index b43a1b0190..6b64bbd2f1 100644 --- a/erts/emulator/beam/erl_printf_term.c +++ b/erts/emulator/beam/erl_printf_term.c @@ -382,12 +382,15 @@ print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount) { break; } case REF_DEF: + if (!ERTS_IS_CRASH_DUMPING) + erts_magic_ref_save_bin(obj); + /* fall through... */ case EXTERNAL_REF_DEF: PRINT_STRING(res, fn, arg, "#Ref<"); PRINT_UWORD(res, fn, arg, 'u', 0, 1, (ErlPfUWord) ref_channel_no(wobj)); ref_num = ref_numbers(wobj); - for (i = ref_no_of_numbers(wobj)-1; i >= 0; i--) { + for (i = ref_no_numbers(wobj)-1; i >= 0; i--) { PRINT_CHAR(res, fn, arg, '.'); PRINT_UWORD(res, fn, arg, 'u', 0, 1, (ErlPfUWord) ref_num[i]); } diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 9db77585f2..52d9f9ddf7 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -127,11 +127,13 @@ runq_got_work_to_execute_flags(Uint32 flags) return !ERTS_IS_RUNQ_EMPTY_FLGS(flags); } +#ifdef ERTS_SMP static ERTS_INLINE int runq_got_work_to_execute(ErtsRunQueue *rq) { return runq_got_work_to_execute_flags(ERTS_RUNQ_FLGS_GET_NOB(rq)); } +#endif #undef RUNQ_READ_RQ #undef RUNQ_SET_RQ @@ -1171,7 +1173,7 @@ typedef struct { int enable; Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Uint req_sched; erts_smp_atomic32_t refc; #ifdef ERTS_DIRTY_SCHEDULERS @@ -1183,7 +1185,7 @@ typedef struct { typedef struct { Process *proc; Eterm ref; - Eterm ref_heap[REF_THING_SIZE]; + Eterm ref_heap[ERTS_REF_THING_SIZE]; Uint req_sched; erts_smp_atomic32_t refc; } ErtsSystemCheckReq; @@ -1295,7 +1297,7 @@ reply_sched_wall_time(void *vswtrp) if (hpp) ref_copy = STORE_NC(hpp, ohp, swtrp->ref); else - *szp += REF_THING_SIZE; + *szp += ERTS_REF_THING_SIZE; ASSERT(!swtrp->set); @@ -1340,7 +1342,7 @@ reply_sched_wall_time(void *vswtrp) if (hpp) ref_copy = STORE_NC(hpp, ohp, swtrp->ref); else - *szp += REF_THING_SIZE; + *szp += ERTS_REF_THING_SIZE; if (swtrp->set) msg = ref_copy; @@ -1442,7 +1444,7 @@ reply_system_check(void *vscrp) ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp)); #endif - sz = REF_THING_SIZE; + sz = ERTS_REF_THING_SIZE; mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp); hpp = &hp; msg = STORE_NC(hpp, ohp, scrp->ref); @@ -5048,7 +5050,7 @@ check_balance(ErtsRunQueue *c_rq) sched_util_balancing = 1; /* * In order to avoid renaming a large amount of fields - * we write utilization values instead of lenght values + * we write utilization values instead of length values * in the 'max_len' and 'migration_limit' fields... */ for (qix = 0; qix < blnc_no_rqs; qix++) { @@ -6379,7 +6381,6 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online erts_tsd_set(sched_data_key, (void *) esdp); #endif } - erts_no_schedulers = 1; erts_no_dirty_cpu_schedulers = 0; erts_no_dirty_io_schedulers = 0; #endif @@ -10174,7 +10175,8 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) esdp->current_process = NULL; #ifdef ERTS_SMP - p->scheduler_data = NULL; + if (is_normal_sched) + p->scheduler_data = NULL; #endif erts_smp_proc_unlock(p, (ERTS_PROC_LOCK_MAIN @@ -10631,8 +10633,8 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) state = erts_smp_atomic32_read_nob(&p->state); - ASSERT(!p->scheduler_data); #ifndef ERTS_DIRTY_SCHEDULERS + ASSERT(!p->scheduler_data); p->scheduler_data = esdp; #else /* ERTS_DIRTY_SCHEDULERS */ if (is_normal_sched) { @@ -10643,6 +10645,7 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); goto sched_out_proc; } + ASSERT(!p->scheduler_data); p->scheduler_data = esdp; } else { diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index 7c23b5c76a..77c7c5e73c 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -447,7 +447,7 @@ heap_dump(fmtfn_t to, void *to_arg, Eterm x) ProcBin* pb = (ProcBin *) binary_val(x); Binary* val = pb->val; - if (erts_smp_atomic_xchg_nob(&val->refc, 0) != 0) { + if (erts_atomic_xchg_nob(&val->refc, 0) != 0) { val->flags = (UWord) all_binaries; all_binaries = val; } diff --git a/erts/emulator/beam/erl_process_lock.h b/erts/emulator/beam/erl_process_lock.h index 773529384f..46a72fcb0c 100644 --- a/erts/emulator/beam/erl_process_lock.h +++ b/erts/emulator/beam/erl_process_lock.h @@ -219,6 +219,10 @@ typedef struct erts_proc_lock_t_ { #define ERTS_PROC_LOCKS_ALL_MINOR (ERTS_PROC_LOCKS_ALL \ & ~ERTS_PROC_LOCK_MAIN) +/* All locks we first must unlock to lock L */ +#define ERTS_PROC_LOCKS_HIGHER_THAN(L) \ + (ERTS_PROC_LOCKS_ALL & (~(L) & ~((L)-1))) + #define ERTS_PIX_LOCKS_BITS 10 #define ERTS_NO_OF_PIX_LOCKS (1 << ERTS_PIX_LOCKS_BITS) diff --git a/erts/emulator/beam/erl_ptab.c b/erts/emulator/beam/erl_ptab.c index 578ae14b9f..abf2fe44f3 100644 --- a/erts/emulator/beam/erl_ptab.c +++ b/erts/emulator/beam/erl_ptab.c @@ -474,7 +474,7 @@ erts_ptab_init_table(ErtsPTab *ptab, * we don't want to shrink the size to ERTS_PTAB_MAX_SIZE/2. * * In order to fix this, we insert a pointer from the table - * to the invalid_element, wich will be interpreted as a + * to the invalid_element, which will be interpreted as a * slot currently being modified. This way we will be able to * have ERTS_PTAB_MAX_SIZE-1 valid elements in the table while * still having a table size of the power of 2. @@ -771,18 +771,18 @@ erts_ptab_list(Process *c_p, ErtsPTab *ptab) } else { Eterm *hp; - Eterm magic_bin; + Eterm magic_ref; ERTS_PTAB_LIST_DBG_CHK_RESLIST(res_acc); - hp = HAlloc(c_p, PROC_BIN_SIZE); - ERTS_PTAB_LIST_DBG_SAVE_HEAP_ALLOC(ptlbdp, hp, PROC_BIN_SIZE); - magic_bin = erts_mk_magic_binary_term(&hp, &MSO(c_p), mbp); + hp = HAlloc(c_p, ERTS_MAGIC_REF_THING_SIZE); + ERTS_PTAB_LIST_DBG_SAVE_HEAP_ALLOC(ptlbdp, hp, ERTS_MAGIC_REF_THING_SIZE); + magic_ref = erts_mk_magic_ref(&hp, &MSO(c_p), mbp); ERTS_PTAB_LIST_DBG_VERIFY_HEAP_ALLOC_USED(ptlbdp, hp); ERTS_PTAB_LIST_DBG_TRACE(c_p->common.id, trap); ERTS_BIF_PREP_YIELD2(ret_val, &ptab_list_continue_export, c_p, res_acc, - magic_bin); + magic_ref); } return ret_val; } @@ -1289,9 +1289,7 @@ static BIF_RETTYPE ptab_list_continue(BIF_ALIST_2) res_acc = BIF_ARG_1; - ERTS_PTAB_LIST_ASSERT(ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_2)); - - mbp = ((ProcBin *) binary_val(BIF_ARG_2))->val; + mbp = erts_magic_ref2bin(BIF_ARG_2); ERTS_PTAB_LIST_ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == cleanup_ptab_list_bif_data); diff --git a/erts/emulator/beam/erl_term.c b/erts/emulator/beam/erl_term.c index 7d857ad326..6b25728af7 100644 --- a/erts/emulator/beam/erl_term.c +++ b/erts/emulator/beam/erl_term.c @@ -59,6 +59,42 @@ erts_set_literal_tag(Eterm *term, Eterm *hp_start, Eterm hsz) #endif } +void +erts_term_init(void) +{ +#ifdef ERTS_ORDINARY_REF_MARKER + /* Ordinary and magic references of same size... */ + + ErtsRefThing ref_thing; + + ERTS_CT_ASSERT(ERTS_ORDINARY_REF_MARKER == ~((Uint32)0)); + ref_thing.m.header = ERTS_REF_THING_HEADER; + ref_thing.m.mb = (ErtsMagicBinary *) ~((UWord) 3); + ref_thing.m.next = (struct erl_off_heap_header *) ~((UWord) 3); + if (ref_thing.o.marker == ERTS_ORDINARY_REF_MARKER) + ERTS_INTERNAL_ERROR("Cannot differentiate between magic and ordinary references"); + + ERTS_CT_ASSERT(offsetof(ErtsORefThing,marker) != 0); + ERTS_CT_ASSERT(sizeof(ErtsORefThing) == sizeof(ErtsMRefThing)); +# ifdef ERTS_MAGIC_REF_THING_HEADER +# error Magic ref thing header should not have been defined... +# endif + +#else + /* Ordinary and magic references of different sizes... */ + +# ifndef ERTS_MAGIC_REF_THING_HEADER +# error Magic ref thing header should have been defined... +# endif + ERTS_CT_ASSERT(sizeof(ErtsORefThing) != sizeof(ErtsMRefThing)); + +#endif + + ERTS_CT_ASSERT(ERTS_REF_THING_SIZE*sizeof(Eterm) == sizeof(ErtsORefThing)); + ERTS_CT_ASSERT(ERTS_MAGIC_REF_THING_SIZE*sizeof(Eterm) == sizeof(ErtsMRefThing)); + +} + /* * XXX: define NUMBER_CODE() here when new representation is used */ @@ -95,8 +131,8 @@ ET_DEFINE_CHECKED(Eterm*,tuple_val,Wterm,is_tuple); ET_DEFINE_CHECKED(struct erl_node_*,internal_pid_node,Eterm,is_internal_pid); ET_DEFINE_CHECKED(struct erl_node_*,internal_port_node,Eterm,is_internal_port); ET_DEFINE_CHECKED(Eterm*,internal_ref_val,Wterm,is_internal_ref); -ET_DEFINE_CHECKED(Uint,internal_ref_data_words,Wterm,is_internal_ref); -ET_DEFINE_CHECKED(Uint32*,internal_ref_data,Wterm,is_internal_ref); +ET_DEFINE_CHECKED(Uint32*,internal_magic_ref_numbers,Wterm,is_internal_magic_ref); +ET_DEFINE_CHECKED(Uint32*,internal_ordinary_ref_numbers,Wterm,is_internal_ordinary_ref); ET_DEFINE_CHECKED(struct erl_node_*,internal_ref_node,Eterm,is_internal_ref); ET_DEFINE_CHECKED(Eterm*,external_val,Wterm,is_external); ET_DEFINE_CHECKED(Uint,external_data_words,Wterm,is_external); diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h index c3234ee349..a602a8f7c6 100644 --- a/erts/emulator/beam/erl_term.h +++ b/erts/emulator/beam/erl_term.h @@ -23,6 +23,8 @@ #include "erl_mmap.h" +void erts_term_init(void); + typedef UWord Wterm; /* Full word terms */ struct erl_node_; /* Declared in erl_node_tables.h */ @@ -718,73 +720,224 @@ _ET_DECLARE_CHECKED(struct erl_node_*,internal_port_node,Eterm) #define ERTS_MAX_REF_NUMBERS 3 #define ERTS_REF_NUMBERS ERTS_MAX_REF_NUMBERS -#if defined(ARCH_64) -# define ERTS_REF_WORDS (ERTS_REF_NUMBERS/2 + 1) -# define ERTS_REF_32BIT_WORDS (ERTS_REF_NUMBERS+1) -#else -# define ERTS_REF_WORDS ERTS_REF_NUMBERS -# define ERTS_REF_32BIT_WORDS ERTS_REF_NUMBERS +#ifndef ERTS_ENDIANNESS +# error ERTS_ENDIANNESS not defined... #endif -typedef struct { - Eterm header; - union { - Uint32 ui32[ERTS_REF_32BIT_WORDS]; - Uint ui[ERTS_REF_WORDS]; - } data; -} RefThing; - -#define REF_THING_SIZE (sizeof(RefThing)/sizeof(Uint)) -#define REF_THING_HEAD_SIZE (sizeof(Eterm)/sizeof(Uint)) +#if ERTS_REF_NUMBERS != 3 +# error "A new reference layout for 64-bit needs to be implemented..." +#endif -#define make_ref_thing_header(DW) \ - _make_header((DW)+REF_THING_HEAD_SIZE-1,_TAG_HEADER_REF) +struct magic_binary; #if defined(ARCH_64) +# define ERTS_ORDINARY_REF_MARKER (~((Uint32) 0)) + +typedef struct { + Eterm header; +#if ERTS_ENDIANNESS <= 0 + Uint32 marker; +#endif + Uint32 num[ERTS_REF_NUMBERS]; +#if ERTS_ENDIANNESS > 0 + Uint32 marker; +#endif +} ErtsORefThing; + +typedef struct { + Eterm header; + struct magic_binary *mb; + struct erl_off_heap_header* next; +#if !ERTS_ENDIANNESS + Uint32 num[ERTS_REF_NUMBERS]; + Uint32 marker; +#endif +} ErtsMRefThing; + /* - * Ref layout on a 64-bit little endian machine: + * Ordinary ref layout on a 64-bit little endian machine: * * 63 31 0 * +--------------+--------------+ * | Thing word | * +--------------+--------------+ - * | Data 0 | 32-bit arity | + * | Data 0 | 0xffffffff | * +--------------+--------------+ * | Data 2 | Data 1 | * +--------------+--------------+ * - * Data is stored as an Uint32 array with 32-bit arity as first number. + * Ordinary ref layout on a 64-bit big endian machine: + * + * 63 31 0 + * +--------------+--------------+ + * | Thing word | + * +--------------+--------------+ + * | Data 0 | Data 1 | + * +--------------+--------------+ + * | Data 2 | 0xffffffff | + * +--------------+--------------+ + * + * Magic Ref layout on a 64-bit machine: + * + * 63 31 0 + * +--------------+--------------+ + * | Thing word | + * +--------------+--------------+ + * | Magic Binary Pointer | + * +--------------+--------------+ + * | Next Off Heap Pointer | + * +--------------+--------------+ + * + * Both pointers in the magic ref are 64-bit aligned. That is, + * least significant bits are zero. The marker 32-bit word is + * placed over the least significant bits of one of the pointers. + * That is, we can distinguish between magic and ordinary ref + * by looking at the marker field. + * */ #define write_ref_thing(Hp, R0, R1, R2) \ do { \ - ((RefThing *) (Hp))->header = make_ref_thing_header(ERTS_REF_WORDS); \ - ((RefThing *) (Hp))->data.ui32[0] = ERTS_REF_NUMBERS; \ - ((RefThing *) (Hp))->data.ui32[1] = (R0); \ - ((RefThing *) (Hp))->data.ui32[2] = (R1); \ - ((RefThing *) (Hp))->data.ui32[3] = (R2); \ + ((ErtsORefThing *) (Hp))->header = ERTS_REF_THING_HEADER; \ + ((ErtsORefThing *) (Hp))->marker = ERTS_ORDINARY_REF_MARKER; \ + ((ErtsORefThing *) (Hp))->num[0] = (R0); \ + ((ErtsORefThing *) (Hp))->num[1] = (R1); \ + ((ErtsORefThing *) (Hp))->num[2] = (R2); \ } while (0) -#else +#if ERTS_ENDIANNESS +/* Known big or little endian */ + +#define write_magic_ref_thing(Hp, Ohp, Binp) \ +do { \ + ((ErtsMRefThing *) (Hp))->header = ERTS_REF_THING_HEADER; \ + ((ErtsMRefThing *) (Hp))->mb = (Binp); \ + ((ErtsMRefThing *) (Hp))->next = (Ohp)->first; \ + (Ohp)->first = (struct erl_off_heap_header*) (Hp); \ + ASSERT(erts_is_ref_numbers_magic((Binp)->refn)); \ +} while (0) + +#else /* !ERTS_ENDIANNESS */ + +#define write_magic_ref_thing(Hp, Ohp, Binp) \ +do { \ + ((ErtsMRefThing *) (Hp))->header = ERTS_MAGIC_REF_THING_HEADER; \ + ((ErtsMRefThing *) (Hp))->mb = (Binp); \ + ((ErtsMRefThing *) (Hp))->next = (Ohp)->first; \ + (Ohp)->first = (struct erl_off_heap_header*) (Hp); \ + ((ErtsMRefThing *) (Hp))->marker = 0; \ + ((ErtsMRefThing *) (Hp))->num[0] = (Binp)->refn[0]; \ + ((ErtsMRefThing *) (Hp))->num[1] = (Binp)->refn[1]; \ + ((ErtsMRefThing *) (Hp))->num[2] = (Binp)->refn[2]; \ + ASSERT(erts_is_ref_numbers_magic((Binp)->refn)); \ +} while (0) + +#endif /* !ERTS_ENDIANNESS */ + +#else /* ARCH_32 */ + +typedef struct { + Eterm header; + Uint32 num[ERTS_REF_NUMBERS]; +} ErtsORefThing; + +typedef struct { + Eterm header; + struct magic_binary *mb; + struct erl_off_heap_header* next; +} ErtsMRefThing; + #define write_ref_thing(Hp, R0, R1, R2) \ do { \ - ((RefThing *) (Hp))->header = make_ref_thing_header(ERTS_REF_WORDS); \ - ((RefThing *) (Hp))->data.ui32[0] = (R0); \ - ((RefThing *) (Hp))->data.ui32[1] = (R1); \ - ((RefThing *) (Hp))->data.ui32[2] = (R2); \ + ((ErtsORefThing *) (Hp))->header = ERTS_REF_THING_HEADER; \ + ((ErtsORefThing *) (Hp))->num[0] = (R0); \ + ((ErtsORefThing *) (Hp))->num[1] = (R1); \ + ((ErtsORefThing *) (Hp))->num[2] = (R2); \ } while (0) +#define write_magic_ref_thing(Hp, Ohp, Binp) \ +do { \ + ((ErtsMRefThing *) (Hp))->header = ERTS_MAGIC_REF_THING_HEADER; \ + ((ErtsMRefThing *) (Hp))->mb = (Binp); \ + ((ErtsMRefThing *) (Hp))->next = (Ohp)->first; \ + (Ohp)->first = (struct erl_off_heap_header*) (Hp); \ + ASSERT(erts_is_ref_numbers_magic(&(Binp)->refn)); \ +} while (0) + +#endif /* ARCH_32 */ + +typedef union { + ErtsMRefThing m; + ErtsORefThing o; +} ErtsRefThing; + +#define ERTS_REF_THING_SIZE (sizeof(ErtsORefThing)/sizeof(Uint)) +#define ERTS_MAGIC_REF_THING_SIZE (sizeof(ErtsMRefThing)/sizeof(Uint)) +#define ERTS_MAX_INTERNAL_REF_SIZE (sizeof(ErtsRefThing)/sizeof(Uint)) + +#define make_ref_thing_header(Words) \ + _make_header((Words)-1,_TAG_HEADER_REF) + +#define ERTS_REF_THING_HEADER _make_header(ERTS_REF_THING_SIZE-1,_TAG_HEADER_REF) + +#if defined(ARCH_64) && ERTS_ENDIANNESS /* All internal refs of same size... */ + +# undef ERTS_MAGIC_REF_THING_HEADER + +# define is_ref_thing_header(x) ((x) == ERTS_REF_THING_HEADER) + +#define is_ordinary_ref_thing(x) \ + (ASSERT(is_ref_thing_header(*((Eterm *)(x)))), \ + ((ErtsRefThing *) (x))->o.marker == ERTS_ORDINARY_REF_MARKER) + +#define is_magic_ref_thing(x) \ + (!is_ordinary_ref_thing((x))) + +#define is_internal_magic_ref(x) \ + ((_unchecked_is_boxed((x)) && *boxed_val((x)) == ERTS_REF_THING_HEADER) \ + && is_magic_ref_thing(boxed_val((x)))) + +#define is_internal_ordinary_ref(x) \ + ((_unchecked_is_boxed((x)) && *boxed_val((x)) == ERTS_REF_THING_HEADER) \ + && is_ordinary_ref_thing(boxed_val((x)))) + +#else /* Ordinary and magic references of different sizes... */ + +# define ERTS_MAGIC_REF_THING_HEADER \ + _make_header(ERTS_MAGIC_REF_THING_SIZE-1,_TAG_HEADER_REF) + +# define is_ref_thing_header(x) \ + (((x) & _TAG_HEADER_MASK) == _TAG_HEADER_REF) + +#define is_ordinary_ref_thing(x) \ + (ASSERT(is_ref_thing_header(*((Eterm *)(x)))), \ + *((Eterm *)(x)) == ERTS_REF_THING_HEADER) + +#define is_magic_ref_thing(x) \ + (ASSERT(is_ref_thing_header(*((Eterm *)(x)))), \ + *((Eterm *)(x)) == ERTS_MAGIC_REF_THING_HEADER) + +#define is_internal_magic_ref(x) \ + (_unchecked_is_boxed((x)) && *boxed_val((x)) == ERTS_MAGIC_REF_THING_HEADER) + +#define is_internal_ordinary_ref(x) \ + (_unchecked_is_boxed((x)) && *boxed_val((x)) == ERTS_REF_THING_HEADER) + #endif -#define is_ref_thing_header(x) (((x) & _TAG_HEADER_MASK) == _TAG_HEADER_REF) #define make_internal_ref(x) make_boxed((Eterm*)(x)) -#define _unchecked_ref_thing_ptr(x) \ - ((RefThing*) _unchecked_internal_ref_val(x)) -#define ref_thing_ptr(x) \ - ((RefThing*) internal_ref_val(x)) +#define _unchecked_ordinary_ref_thing_ptr(x) \ + ((ErtsORefThing*) _unchecked_internal_ref_val(x)) +#define ordinary_ref_thing_ptr(x) \ + ((ErtsORefThing*) internal_ref_val(x)) + +#define _unchecked_magic_ref_thing_ptr(x) \ + ((ErtsMRefThing*) _unchecked_internal_ref_val(x)) +#define magic_ref_thing_ptr(x) \ + ((ErtsMRefThing*) internal_ref_val(x)) #define is_internal_ref(x) \ (_unchecked_is_boxed((x)) && is_ref_thing_header(*boxed_val((x)))) @@ -796,16 +949,21 @@ do { \ _ET_DECLARE_CHECKED(Eterm*,internal_ref_val,Wterm) #define internal_ref_val(x) _ET_APPLY(internal_ref_val,(x)) -#define internal_thing_ref_data_words(t) (thing_arityval(*(Eterm*)(t))) -#define _unchecked_internal_ref_data_words(x) \ - (_unchecked_thing_arityval(*_unchecked_internal_ref_val(x))) -_ET_DECLARE_CHECKED(Uint,internal_ref_data_words,Wterm) -#define internal_ref_data_words(x) _ET_APPLY(internal_ref_data_words,(x)) +#define internal_ordinary_thing_ref_numbers(ort) (((ErtsORefThing *)(ort))->num) +#define _unchecked_internal_ordinary_ref_numbers(x) (internal_ordinary_thing_ref_numbers(_unchecked_ordinary_ref_thing_ptr(x))) +_ET_DECLARE_CHECKED(Uint32*,internal_ordinary_ref_numbers,Wterm) +#define internal_ordinary_ref_numbers(x) _ET_APPLY(internal_ordinary_ref_numbers,(x)) + +#if defined(ARCH_64) && !ERTS_ENDIANNESS +#define internal_magic_thing_ref_numbers(mrt) (((ErtsMRefThing *)(mrt))->num) +#else +#define internal_magic_thing_ref_numbers(mrt) (((ErtsMRefThing *)(mrt))->mb->refn) +#endif + +#define _unchecked_internal_magic_ref_numbers(x) (internal_magic_thing_ref_numbers(_unchecked_magic_ref_thing_ptr(x))) +_ET_DECLARE_CHECKED(Uint32*,internal_magic_ref_numbers,Wterm) +#define internal_magic_ref_numbers(x) _ET_APPLY(internal_magic_ref_numbers,(x)) -#define internal_thing_ref_data(thing) ((thing)->data.ui32) -#define _unchecked_internal_ref_data(x) (internal_thing_ref_data(_unchecked_ref_thing_ptr(x))) -_ET_DECLARE_CHECKED(Uint32*,internal_ref_data,Wterm) -#define internal_ref_data(x) _ET_APPLY(internal_ref_data,(x)) #define _unchecked_internal_ref_node(x) erts_this_node _ET_DECLARE_CHECKED(struct erl_node_*,internal_ref_node,Eterm) diff --git a/erts/emulator/beam/erl_time_sup.c b/erts/emulator/beam/erl_time_sup.c index c01cc26246..cf9d3adc86 100644 --- a/erts/emulator/beam/erl_time_sup.c +++ b/erts/emulator/beam/erl_time_sup.c @@ -1502,7 +1502,7 @@ static time_t gregday(int year, int month, int day) pyear = gyear - 1; ndays = (pyear/4) - (pyear/100) + (pyear/400) + pyear*365 + 366; } - /* number of days in all months preceeding month */ + /* number of days in all months preceding month */ for (m = 1; m < month; m++) ndays += mdays[m]; /* Extra day if leap year and March or later */ @@ -1831,7 +1831,10 @@ erts_demonitor_time_offset(Eterm ref) ErtsMonitor *mon; ASSERT(is_internal_ref(ref)); erts_smp_mtx_lock(&erts_get_time_mtx); - mon = erts_remove_monitor(&time_offset_monitors, ref); + if (is_internal_ordinary_ref(ref)) + mon = erts_remove_monitor(&time_offset_monitors, ref); + else + mon = NULL; if (!mon) res = 0; else { @@ -1848,7 +1851,7 @@ erts_demonitor_time_offset(Eterm ref) typedef struct { Eterm pid; Eterm ref; - Eterm heap[REF_THING_SIZE]; + Eterm heap[ERTS_REF_THING_SIZE]; } ErtsTimeOffsetMonitorInfo; typedef struct { @@ -1869,11 +1872,11 @@ save_time_offset_monitor(ErtsMonitor *mon, void *vcntxt) cntxt->to_mon_info[mix].pid = mon->u.pid; to_hp = &cntxt->to_mon_info[mix].heap[0]; - ASSERT(is_internal_ref(mon->ref)); + ASSERT(is_internal_ordinary_ref(mon->ref)); from_hp = internal_ref_val(mon->ref); - ASSERT(thing_arityval(*from_hp) + 1 == REF_THING_SIZE); + ASSERT(thing_arityval(*from_hp) + 1 == ERTS_REF_THING_SIZE); - for (hix = 0; hix < REF_THING_SIZE; hix++) + for (hix = 0; hix < ERTS_REF_THING_SIZE; hix++) to_hp[hix] = from_hp[hix]; cntxt->to_mon_info[mix].ref @@ -1933,7 +1936,7 @@ send_time_offset_changed_notifications(void *new_offsetp) hp = (Eterm *) (tmp + no_monitors*sizeof(ErtsTimeOffsetMonitorInfo)); hsz = 6; /* 5-tuple */ - hsz += REF_THING_SIZE; + hsz += ERTS_REF_THING_SIZE; hsz += ERTS_SINT64_HEAP_SIZE(new_offset); if (IS_SSMALL(new_offset)) diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c index 3167ca5eef..01629db9ad 100644 --- a/erts/emulator/beam/erl_unicode.c +++ b/erts/emulator/beam/erl_unicode.c @@ -130,13 +130,9 @@ static int cleanup_restart_context_bin(Binary *bp) return 1; } -static RestartContext *get_rc_from_bin(Eterm bin) +static RestartContext *get_rc_from_bin(Eterm mref) { - Binary *mbp; - ASSERT(ERTS_TERM_IS_MAGIC_BINARY(bin)); - - mbp = ((ProcBin *) binary_val(bin))->val; - + Binary *mbp = erts_magic_ref2bin(mref); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(mbp) == cleanup_restart_context_bin); return (RestartContext *) ERTS_MAGIC_BIN_DATA(mbp); @@ -149,8 +145,8 @@ static Eterm make_magic_bin_for_restart(Process *p, RestartContext *rc) RestartContext *restartp = ERTS_MAGIC_BIN_DATA(mbp); Eterm *hp; memcpy(restartp,rc,sizeof(RestartContext)); - hp = HAlloc(p, PROC_BIN_SIZE); - return erts_mk_magic_binary_term(&hp, &MSO(p), mbp); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + return erts_mk_magic_ref(&hp, &MSO(p), mbp); } @@ -1891,74 +1887,57 @@ binary_to_atom(Process* proc, Eterm bin, Eterm enc, int must_exist) byte* bytes; byte *temp_alloc = NULL; Uint bin_size; + Eterm a; if ((bytes = erts_get_aligned_binary_bytes(bin, &temp_alloc)) == 0) { BIF_ERROR(proc, BADARG); } bin_size = binary_size(bin); + if (enc == am_latin1) { - Eterm a; - if (bin_size > MAX_ATOM_CHARACTERS) { - system_limit: - erts_free_aligned_binary_bytes(temp_alloc); - BIF_ERROR(proc, SYSTEM_LIMIT); - } if (!must_exist) { - a = erts_atom_put((byte *) bytes, - bin_size, - ERTS_ATOM_ENC_LATIN1, - 0); - erts_free_aligned_binary_bytes(temp_alloc); - if (is_non_value(a)) - goto badarg; - BIF_RET(a); - } else if (erts_atom_get((char *)bytes, bin_size, &a, ERTS_ATOM_ENC_LATIN1)) { - erts_free_aligned_binary_bytes(temp_alloc); - BIF_RET(a); - } else { + int lix = erts_atom_put_index((byte *) bytes, + bin_size, + ERTS_ATOM_ENC_LATIN1, + 0); + if (lix == ATOM_BAD_ENCODING_ERROR) { + badarg: + erts_free_aligned_binary_bytes(temp_alloc); + BIF_ERROR(proc, BADARG); + } else if (lix == ATOM_MAX_CHARS_ERROR) { + system_limit: + erts_free_aligned_binary_bytes(temp_alloc); + BIF_ERROR(proc, SYSTEM_LIMIT); + } + + a = make_atom(lix); + } else if (!erts_atom_get((char *)bytes, bin_size, &a, ERTS_ATOM_ENC_LATIN1)) { goto badarg; } - } else if (enc == am_utf8 || enc == am_unicode) { - Eterm res; - Uint num_chars = 0; - const byte* p = bytes; - Uint left = bin_size; - while (left) { - if (++num_chars > MAX_ATOM_CHARACTERS) { + } else if (enc == am_utf8 || enc == am_unicode) { + if (!must_exist) { + int uix = erts_atom_put_index((byte *) bytes, + bin_size, + ERTS_ATOM_ENC_UTF8, + 0); + if (uix == ATOM_BAD_ENCODING_ERROR) { + goto badarg; + } else if (uix == ATOM_MAX_CHARS_ERROR) { goto system_limit; } - if ((p[0] & 0x80) == 0) { - ++p; - --left; - } - else if (left >= 2 - && (p[0] & 0xFE) == 0xC2 /* only allow latin1 subset */ - && (p[1] & 0xC0) == 0x80) { - p += 2; - left -= 2; - } - else goto badarg; - } - if (!must_exist) { - res = erts_atom_put((byte *) bytes, - bin_size, - ERTS_ATOM_ENC_UTF8, - 0); + a = make_atom(uix); } - else if (!erts_atom_get((char*)bytes, bin_size, &res, ERTS_ATOM_ENC_UTF8)) { + else if (!erts_atom_get((char*)bytes, bin_size, &a, ERTS_ATOM_ENC_UTF8)) { goto badarg; } - erts_free_aligned_binary_bytes(temp_alloc); - if (is_non_value(res)) - goto badarg; - BIF_RET(res); } else { - badarg: - erts_free_aligned_binary_bytes(temp_alloc); - BIF_ERROR(proc, BADARG); + goto badarg; } + + erts_free_aligned_binary_bytes(temp_alloc); + BIF_RET(a); } BIF_RETTYPE binary_to_atom_2(BIF_ALIST_2) diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h index 81800752f0..47289a0af1 100644 --- a/erts/emulator/beam/erl_utils.h +++ b/erts/emulator/beam/erl_utils.h @@ -117,7 +117,6 @@ int erts_fit_in_bits_int32(Sint32); int erts_fit_in_bits_uint(Uint); Sint erts_list_length(Eterm); int erts_is_builtin(Eterm, Eterm, int); -Uint32 make_broken_hash(Eterm); Uint32 block_hash(byte *, unsigned, Uint32); Uint32 make_hash2(Eterm); Uint32 make_hash(Eterm); diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index d88cafc5bf..5366ee3644 100644 --- a/erts/emulator/beam/erl_vm.h +++ b/erts/emulator/beam/erl_vm.h @@ -110,8 +110,21 @@ #define HeapWordsLeft(p) (HEAP_LIMIT(p) - HEAP_TOP(p)) #if defined(DEBUG) || defined(CHECK_FOR_HOLES) -# define ERTS_HOLE_MARKER (((0xdeadbeef << 24) << 8) | 0xdeadbeef) -#endif /* egil: 32-bit ? */ + +/* + * ERTS_HOLE_MARKER must *not* be mistaken for a valid term + * on the heap... + */ +# ifdef ARCH_64 +# define ERTS_HOLE_MARKER \ + make_catch(UWORD_CONSTANT(0xdeadbeaf00000000) >> _TAG_IMMED2_SIZE) +/* Will (at the time of writing) appear as 0xdeadbeaf0000001b */ +# else +# define ERTS_HOLE_MARKER \ + make_catch(UWORD_CONSTANT(0xdead0000) >> _TAG_IMMED2_SIZE) +/* Will (at the time of writing) appear as 0xdead001b */ +# endif +#endif /* * Allocate heap memory on the ordinary heap, NEVER in a heap diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index cb3486fde2..205a7711ec 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -616,7 +616,7 @@ erts_make_dist_ext_copy(ErtsDistExternal *edep, Uint xsize) sys_memcpy((void *) ep, (void *) edep, dist_ext_sz); ep += dist_ext_sz; if (new_edep->dep) - erts_refc_inc(&new_edep->dep->refc, 1); + erts_smp_refc_inc(&new_edep->dep->refc, 1); new_edep->extp = ep; new_edep->ext_endp = ep + ext_sz; new_edep->heap_size = -1; @@ -1079,7 +1079,7 @@ static BIF_RETTYPE term_to_binary_trap_1(BIF_ALIST_1) Eterm *tp = tuple_val(BIF_ARG_1); Eterm Term = tp[1]; Eterm bt = tp[2]; - Binary *bin = ((ProcBin *) binary_val(bt))->val; + Binary *bin = erts_magic_ref2bin(bt); Eterm res = erts_term_to_binary_int(BIF_P, Term, 0, 0,bin); if (is_tuple(res)) { ASSERT(BIF_P->flags & F_DISABLE_GC); @@ -1222,6 +1222,7 @@ typedef struct B2TContext_t { } u; } B2TContext; +static B2TContext* b2t_export_context(Process*, B2TContext* src); static uLongf binary2term_uncomp_size(byte* data, Sint size) { @@ -1254,7 +1255,7 @@ static uLongf binary2term_uncomp_size(byte* data, Sint size) static ERTS_INLINE int binary2term_prepare(ErtsBinary2TermState *state, byte *data, Sint data_size, - B2TContext* ctx) + B2TContext** ctxp, Process* p) { byte *bytes = data; Sint size = data_size; @@ -1268,8 +1269,8 @@ binary2term_prepare(ErtsBinary2TermState *state, byte *data, Sint data_size, size--; if (size < 5 || *bytes != COMPRESSED) { state->extp = bytes; - if (ctx) - ctx->state = B2TSizeInit; + if (ctxp) + (*ctxp)->state = B2TSizeInit; } else { uLongf dest_len = (Uint32) get_int32(bytes+1); @@ -1286,16 +1287,26 @@ binary2term_prepare(ErtsBinary2TermState *state, byte *data, Sint data_size, return -1; } state->extp = erts_alloc(ERTS_ALC_T_EXT_TERM_DATA, dest_len); - ctx->reds -= dest_len; + if (ctxp) + (*ctxp)->reds -= dest_len; } state->exttmp = 1; - if (ctx) { + if (ctxp) { + /* + * Start decompression by exporting trap context + * so we don't have to deal with deep-copying z_stream. + */ + B2TContext* ctx = b2t_export_context(p, *ctxp); + ASSERT(state = &(*ctxp)->b2ts); + state = &ctx->b2ts; + if (erl_zlib_inflate_start(&ctx->u.uc.stream, bytes, size) != Z_OK) return -1; ctx->u.uc.dbytes = state->extp; ctx->u.uc.dleft = dest_len; ctx->state = B2TUncompressChunk; + *ctxp = ctx; } else { uLongf dlen = dest_len; @@ -1339,7 +1350,7 @@ erts_binary2term_prepare(ErtsBinary2TermState *state, byte *data, Sint data_size { Sint res; - if (binary2term_prepare(state, data, data_size, NULL) < 0 || + if (binary2term_prepare(state, data, data_size, NULL, NULL) < 0 || (res=decoded_size(state->extp, state->extp + state->extsize, 0, NULL)) < 0) { if (state->exttmp) @@ -1398,7 +1409,7 @@ static int b2t_context_destructor(Binary *context_bin) static BIF_RETTYPE binary_to_term_trap_1(BIF_ALIST_1) { - Binary *context_bin = ((ProcBin *) binary_val(BIF_ARG_1))->val; + Binary *context_bin = erts_magic_ref2bin(BIF_ARG_1); ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(context_bin) == b2t_context_destructor); return binary_to_term_int(BIF_P, 0, THE_NON_VALUE, context_bin, NULL, @@ -1432,8 +1443,8 @@ static B2TContext* b2t_export_context(Process* p, B2TContext* src) if (ctx->state >= B2TDecode && ctx->u.dc.next == &src->u.dc.res) { ctx->u.dc.next = &ctx->u.dc.res; } - hp = HAlloc(p, PROC_BIN_SIZE); - ctx->trap_bin = erts_mk_magic_binary_term(&hp, &MSO(p), context_b); + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE); + ctx->trap_bin = erts_mk_magic_ref(&hp, &MSO(p), context_b); return ctx; } @@ -1486,7 +1497,7 @@ static BIF_RETTYPE binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binar if (ctx->aligned_alloc) { ctx->reds -= bin_size / 8; } - if (binary2term_prepare(&ctx->b2ts, bytes, bin_size, ctx) < 0) { + if (binary2term_prepare(&ctx->b2ts, bytes, bin_size, &ctx, p) < 0) { ctx->state = B2TBadArg; } break; @@ -1862,8 +1873,8 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla #define RETURN_STATE() \ do { \ - hp = HAlloc(p, PROC_BIN_SIZE+3); \ - c_term = erts_mk_magic_binary_term(&hp, &MSO(p), context_b); \ + hp = HAlloc(p, ERTS_MAGIC_REF_THING_SIZE+3); \ + c_term = erts_mk_magic_ref(&hp, &MSO(p), context_b); \ res = TUPLE2(hp, Term, c_term); \ BUMP_ALL_REDS(p); \ return res; \ @@ -2570,7 +2581,9 @@ enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, ASSERT(dflags & DFLAG_EXTENDED_REFERENCES); - i = ref_no_of_numbers(obj); + erts_magic_ref_save_bin(obj); + + i = ref_no_numbers(obj); put_int16(i, ep); ep += 2; ep = enc_atom(acmp, sysname, ep, dflags); @@ -3426,26 +3439,35 @@ dec_term_atom_common: r0 = get_int32(ep); /* allow full word */ ep += 4; - ref_ext_common: + ref_ext_common: { + ErtsORefThing *rtp; + if (ref_words > ERTS_MAX_REF_NUMBERS) goto error; node = dec_get_node(sysname, cre); if(node == erts_this_node) { - RefThing *rtp = (RefThing *) hp; - ref_num = (Uint32 *) (hp + REF_THING_HEAD_SIZE); + + rtp = (ErtsORefThing *) hp; + ref_num = &rtp->num[0]; + if (ref_words != ERTS_REF_NUMBERS) { + int i; + if (ref_words > ERTS_REF_NUMBERS) + goto error; /* Not a ref that we created... */ + for (i = ref_words; i < ERTS_REF_NUMBERS; i++) + ref_num[i] = 0; + } -#if defined(ARCH_64) - hp += REF_THING_HEAD_SIZE + ref_words/2 + 1; - rtp->header = make_ref_thing_header(ref_words/2 + 1); -#else - hp += REF_THING_HEAD_SIZE + ref_words; - rtp->header = make_ref_thing_header(ref_words); +#ifdef ERTS_ORDINARY_REF_MARKER + rtp->marker = ERTS_ORDINARY_REF_MARKER; #endif + hp += ERTS_REF_THING_SIZE; + rtp->header = ERTS_REF_THING_HEADER; *objp = make_internal_ref(rtp); } else { ExternalThing *etp = (ExternalThing *) hp; + rtp = NULL; #if defined(ARCH_64) hp += EXTERNAL_THING_HEAD_SIZE + ref_words/2 + 1; #else @@ -3463,12 +3485,13 @@ dec_term_atom_common: factory->off_heap->first = (struct erl_off_heap_header*)etp; *objp = make_external_ref(etp); ref_num = &(etp->data.ui32[0]); - } - #if defined(ARCH_64) - *(ref_num++) = ref_words /* 32-bit arity */; + *(ref_num++) = ref_words /* 32-bit arity */; #endif + } + ref_num[0] = r0; + for(i = 1; i < ref_words; i++) { ref_num[i] = get_int32(ep); ep += 4; @@ -3477,8 +3500,26 @@ dec_term_atom_common: if ((1 + ref_words) % 2) ref_num[ref_words] = 0; #endif + if (node == erts_this_node) { + /* Check if it was a magic reference... */ + ErtsMagicBinary *mb = erts_magic_ref_lookup_bin(ref_num); + if (mb) { + /* + * Was a magic ref; adjust it... + * + * Refc on binary was increased by lookup above... + */ + ASSERT(rtp); + hp = (Eterm *) rtp; + write_magic_ref_thing(hp, factory->off_heap, mb); + OH_OVERHEAD(factory->off_heap, + mb->orig_size / sizeof(Eterm)); + hp += ERTS_MAGIC_REF_THING_SIZE; + } + } break; } + } case BINARY_EXT: { n = get_int32(ep); @@ -4100,7 +4141,7 @@ encode_size_struct_int(TTBSizeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, /*fall through*/ case REF_DEF: ASSERT(dflags & DFLAG_EXTENDED_REFERENCES); - i = ref_no_of_numbers(obj); + i = ref_no_numbers(obj); result += (1 + 2 + encode_size_struct2(acmp, ref_node_name(obj), dflags) + 1 + 4*i); break; diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 511e357d14..d4a1225bdd 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -43,9 +43,15 @@ #include "erl_port.h" #include "erl_gc.h" #include "erl_nif.h" +#define ERTS_BINARY_TYPES_ONLY__ +#include "erl_binary.h" +#undef ERTS_BINARY_TYPES_ONLY__ struct enif_func_t; +#ifdef DEBUG +# define ERTS_NIF_ASSERT_IN_ENV +#endif struct enif_environment_t /* ErlNifEnv */ { struct erl_module_nif* mod_nif; @@ -58,6 +64,10 @@ struct enif_environment_t /* ErlNifEnv */ int exception_thrown; /* boolean */ Process *tracee; int exiting; /* boolean (dirty nifs might return in exiting state) */ + +#ifdef ERTS_NIF_ASSERT_IN_ENV + int dbg_disable_assert_in_env; +#endif }; struct enif_resource_type_t { @@ -98,7 +108,7 @@ typedef struct ErtsResource_ }ErtsResource; #define DATA_TO_RESOURCE(PTR) ErtsContainerStruct(PTR, ErtsResource, data) -#define erts_resource_ref_size(P) PROC_BIN_SIZE +#define erts_resource_ref_size(P) ERTS_MAGIC_REF_THING_SIZE extern Eterm erts_bld_resource_ref(Eterm** hp, ErlOffHeap*, ErtsResource*); @@ -165,7 +175,7 @@ typedef struct de_proc_entry { PROC_AWAIT_LOAD == Wants to be notified when we reloaded the driver (old was locked) */ Uint flags; /* ERL_FL_DE_DEREFERENCED when reload in progress */ - Eterm heap[REF_THING_SIZE]; /* "ref heap" */ + Eterm heap[ERTS_REF_THING_SIZE]; /* "ref heap" */ struct de_proc_entry *next; } DE_ProcEntry; @@ -173,7 +183,7 @@ typedef struct { void *handle; /* Handle for DLL or SO (for dyn. drivers). */ DE_ProcEntry *procs; /* List of pids that have loaded this driver, or that wait for it to change state */ - erts_refc_t refc; /* Number of ports/processes having + erts_smp_refc_t refc; /* Number of ports/processes having references to the driver */ erts_smp_atomic32_t port_count; /* Number of ports using the driver */ Uint flags; /* ERL_DE_FL_KILL_PORTS */ @@ -253,116 +263,6 @@ extern Eterm erts_ddll_monitor_driver(Process *p, ErtsProcLocks plocks); /* -** Just like the driver binary but with initial flags -** Note that the two structures Binary and ErlDrvBinary HAVE to -** be equal except for extra fields in the beginning of the struct. -** ErlDrvBinary is defined in erl_driver.h. -** When driver_alloc_binary is called, a Binary is allocated, but -** the pointer returned is to the address of the first element that -** also occurs in the ErlDrvBinary struct (driver.*binary takes care if this). -** The driver need never know about additions to the internal Binary of the -** emulator. One should however NEVER be sloppy when mixing ErlDrvBinary -** and Binary, the macros below can convert one type to the other, as they both -** in reality are equal. -*/ - -#ifdef ARCH_32 - /* *DO NOT USE* only for alignment. */ -#define ERTS_BINARY_STRUCT_ALIGNMENT Uint32 align__; -#else -#define ERTS_BINARY_STRUCT_ALIGNMENT -#endif - -/* Add fields in ERTS_INTERNAL_BINARY_FIELDS, otherwise the drivers crash */ -#define ERTS_INTERNAL_BINARY_FIELDS \ - UWord flags; \ - erts_refc_t refc; \ - ERTS_BINARY_STRUCT_ALIGNMENT - -typedef struct binary { - ERTS_INTERNAL_BINARY_FIELDS - SWord orig_size; - char orig_bytes[1]; /* to be continued */ -} Binary; - -#define ERTS_SIZEOF_Binary(Sz) \ - (offsetof(Binary,orig_bytes) + (Sz)) - -typedef struct { - ERTS_INTERNAL_BINARY_FIELDS - SWord orig_size; - int (*destructor)(Binary *); - union { - struct { - ERTS_BINARY_STRUCT_ALIGNMENT - char data[1]; - } aligned; - struct { - char data[1]; - } unaligned; - } u; -} ErtsMagicBinary; - -#define ERTS_MAGIC_BIN_BYTES_TO_ALIGN \ - (offsetof(ErtsMagicBinary,u.aligned.data) - \ - offsetof(ErtsMagicBinary,u.unaligned.data)) - -typedef union { - Binary binary; - ErtsMagicBinary magic_binary; - struct { - ERTS_INTERNAL_BINARY_FIELDS - ErlDrvBinary binary; - } driver; -} ErtsBinary; - -/* - * 'Binary' alignment: - * Address of orig_bytes[0] of a Binary should always be 8-byte aligned. - * It is assumed that the flags, refc, and orig_size fields are 4 bytes on - * 32-bits architectures and 8 bytes on 64-bits architectures. - */ - -#define ERTS_MAGIC_BIN_DESTRUCTOR(BP) \ - ((ErtsBinary *) (BP))->magic_binary.destructor -#define ERTS_MAGIC_BIN_DATA(BP) \ - ((void *) ((ErtsBinary *) (BP))->magic_binary.u.aligned.data) -#define ERTS_MAGIC_DATA_OFFSET \ - (offsetof(ErtsMagicBinary,u.aligned.data) - offsetof(Binary,orig_bytes)) -#define ERTS_MAGIC_BIN_ORIG_SIZE(Sz) \ - (ERTS_MAGIC_DATA_OFFSET + (Sz)) -#define ERTS_MAGIC_BIN_SIZE(Sz) \ - (offsetof(ErtsMagicBinary,u.aligned.data) + (Sz)) - -/* On 32-bit arch these macro variants will save memory - by not forcing 8-byte alignment for the magic payload. -*/ -#define ERTS_MAGIC_BIN_UNALIGNED_DATA(BP) \ - ((void *) ((ErtsBinary *) (BP))->magic_binary.u.unaligned.data) -#define ERTS_MAGIC_UNALIGNED_DATA_OFFSET \ - (offsetof(ErtsMagicBinary,u.unaligned.data) - offsetof(Binary,orig_bytes)) -#define ERTS_MAGIC_BIN_UNALIGNED_DATA_SIZE(BP) \ - ((BP)->orig_size - ERTS_MAGIC_UNALIGNED_DATA_OFFSET) -#define ERTS_MAGIC_BIN_UNALIGNED_ORIG_SIZE(Sz) \ - (ERTS_MAGIC_UNALIGNED_DATA_OFFSET + (Sz)) -#define ERTS_MAGIC_BIN_UNALIGNED_SIZE(Sz) \ - (offsetof(ErtsMagicBinary,u.unaligned.data) + (Sz)) -#define ERTS_MAGIC_BIN_FROM_UNALIGNED_DATA(DATA) \ - ((ErtsBinary*)((char*)(DATA) - offsetof(ErtsMagicBinary,u.unaligned.data))) - - -#define Binary2ErlDrvBinary(B) (&((ErtsBinary *) (B))->driver.binary) -#define ErlDrvBinary2Binary(D) ((Binary *) \ - (((char *) (D)) \ - - offsetof(ErtsBinary, driver.binary))) - -/* A "magic" binary flag */ -#define BIN_FLAG_MAGIC 1 -#define BIN_FLAG_USR1 2 /* Reserved for use by different modules too mark */ -#define BIN_FLAG_USR2 4 /* certain binaries as special (used by ets) */ -#define BIN_FLAG_DRV 8 - -/* * This structure represents one type of a binary in a process. */ @@ -383,46 +283,12 @@ typedef struct proc_bin { */ #define PROC_BIN_SIZE (sizeof(ProcBin)/sizeof(Eterm)) -ERTS_GLB_INLINE Eterm erts_mk_magic_binary_term(Eterm **hpp, - ErlOffHeap *ohp, - Binary *mbp); - -#if ERTS_GLB_INLINE_INCL_FUNC_DEF - -ERTS_GLB_INLINE Eterm -erts_mk_magic_binary_term(Eterm **hpp, ErlOffHeap *ohp, Binary *mbp) -{ - ProcBin *pb = (ProcBin *) *hpp; - *hpp += PROC_BIN_SIZE; - - ASSERT(mbp->flags & BIN_FLAG_MAGIC); - - pb->thing_word = HEADER_PROC_BIN; - pb->size = 0; - pb->next = ohp->first; - ohp->first = (struct erl_off_heap_header*) pb; - pb->val = mbp; - pb->bytes = (byte *) mbp->orig_bytes; - pb->flags = 0; - - erts_refc_inc(&mbp->refc, 1); - - return make_binary(pb); -} - -#endif - -#define ERTS_TERM_IS_MAGIC_BINARY(T) \ - (is_binary((T)) \ - && (thing_subtag(*binary_val((T))) == REFC_BINARY_SUBTAG) \ - && (((ProcBin *) binary_val((T)))->val->flags & BIN_FLAG_MAGIC)) - - union erl_off_heap_ptr { struct erl_off_heap_header* hdr; ProcBin *pb; struct erl_fun_thing* fun; struct external_thing_* ext; + ErtsMRefThing *mref; Eterm* ep; void* voidp; }; @@ -1015,21 +881,6 @@ void erts_bif_info_init(void); /* bif.c */ -ERTS_GLB_INLINE Eterm -erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]); - -#if ERTS_GLB_INLINE_INCL_FUNC_DEF - -ERTS_GLB_INLINE Eterm -erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]) -{ - Eterm *hp = HAlloc(c_p, REF_THING_SIZE); - write_ref_thing(hp, ref[0], ref[1], ref[2]); - return make_internal_ref(hp); -} - -#endif - void erts_queue_monitor_message(Process *, ErtsProcLocks*, Eterm, @@ -1114,6 +965,9 @@ void print_process_info(fmtfn_t, void *, Process*); void info(fmtfn_t, void *); void loaded(fmtfn_t, void *); +/* sighandler sys.c */ +int erts_set_signal(Eterm signal, Eterm type); + /* erl_arith.c */ double erts_get_positive_zero_float(void); @@ -1418,6 +1272,7 @@ int erts_utf8_to_latin1(byte* dest, const byte* source, int slen); void bin_write(fmtfn_t, void*, byte*, size_t); Sint intlist_to_buf(Eterm, char*, Sint); /* most callers pass plain char*'s */ +Sint erts_unicode_list_to_buf(Eterm list, byte *buf, Sint len); struct Sint_buf { #if defined(ARCH_64) diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 7fa0280396..9b525cc100 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -1445,7 +1445,7 @@ finalize_force_imm_drv_call(ErtsTryImmDrvCallState *sp) erts_unblock_fpe(sp->fpe_was_unmasked); } -#define ERTS_QUEUE_PORT_SCHED_OP_REPLY_SIZE (REF_THING_SIZE + 3) +#define ERTS_QUEUE_PORT_SCHED_OP_REPLY_SIZE (ERTS_REF_THING_SIZE + 3) static ERTS_INLINE void queue_port_sched_op_reply(Process *rp, @@ -1460,7 +1460,7 @@ queue_port_sched_op_reply(Process *rp, ref= make_internal_ref(hp); write_ref_thing(hp, ref_num[0], ref_num[1], ref_num[2]); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; msg = TUPLE2(hp, ref, msg); @@ -3099,7 +3099,7 @@ port_monitor(Port *prt, erts_aint32_t state, Eterm origin, ASSERT(is_pid(origin)); ASSERT(is_atom(name) || is_port(name) || name == NIL); - ASSERT(is_internal_ref(ref)); + ASSERT(is_internal_ordinary_ref(ref)); if (!(state & ERTS_PORT_SFLGS_INVALID_LOOKUP)) { ErtsProcLocks p_locks = ERTS_PROC_LOCK_LINK; @@ -3124,7 +3124,7 @@ static int port_sig_monitor(Port *prt, erts_aint32_t state, int op, ErtsProc2PortSigData *sigdp) { - Eterm hp[REF_THING_SIZE]; + Eterm hp[ERTS_REF_THING_SIZE]; Eterm ref = make_internal_ref(&hp); write_ref_thing(hp, sigdp->ref[0], sigdp->ref[1], sigdp->ref[2]); @@ -3245,7 +3245,7 @@ static int port_sig_demonitor(Port *prt, erts_aint32_t state, int op, ErtsProc2PortSigData *sigdp) { - Eterm hp[REF_THING_SIZE]; + Eterm hp[ERTS_REF_THING_SIZE]; Eterm ref = make_internal_ref(&hp); write_ref_thing(hp, sigdp->u.demonitor.ref[0], sigdp->u.demonitor.ref[1], @@ -3302,10 +3302,10 @@ ErtsPortOpResult erts_port_demonitor(Process *origin, ErtsDemonitorMode mode, sigdp->u.demonitor.origin = origin->common.id; sigdp->u.demonitor.name = target->common.id; { - RefThing *reft = ref_thing_ptr(ref); + Uint32 *nums = internal_ref_numbers(ref); /* Start from 1 skip ref arity */ sys_memcpy(sigdp->u.demonitor.ref, - internal_thing_ref_numbers(reft), + nums, sizeof(sigdp->u.demonitor.ref)); } @@ -3431,7 +3431,7 @@ void erts_init_io(int port_tab_size, NULL, (ErtsPTabElementCommon *) &erts_invalid_port.common, port_tab_size, - common_element_size, /* Doesn't need to be excact */ + common_element_size, /* Doesn't need to be exact */ "port_table", legacy_port_tab, 1); @@ -5413,7 +5413,7 @@ reply_io_bytes(void *vreq) rp_locks = ERTS_PROC_LOCK_MAIN; } - hsz = 5 /* 4-tuple */ + REF_THING_SIZE; + hsz = 5 /* 4-tuple */ + ERTS_REF_THING_SIZE; erts_bld_uint64(NULL, &hsz, in); erts_bld_uint64(NULL, &hsz, out); @@ -5422,7 +5422,7 @@ reply_io_bytes(void *vreq) ref = make_internal_ref(hp); write_ref_thing(hp, req->refn[0], req->refn[1], req->refn[2]); - hp += REF_THING_SIZE; + hp += ERTS_REF_THING_SIZE; ein = erts_bld_uint64(&hp, NULL, in); eout = erts_bld_uint64(&hp, NULL, out); @@ -5451,7 +5451,7 @@ erts_request_io_bytes(Process *c_p) ErtsIOBytesReq *req = erts_alloc(ERTS_ALC_T_IOB_REQ, sizeof(ErtsIOBytesReq)); - hp = HAlloc(c_p, REF_THING_SIZE); + hp = HAlloc(c_p, ERTS_REF_THING_SIZE); ref = erts_sched_make_ref_in_buffer(esdp, hp); refn = internal_ref_numbers(ref); @@ -6888,12 +6888,6 @@ ErlDrvSizeT driver_vec_to_buf(ErlIOVec *vec, char *buf, ErlDrvSizeT len) return (orig_len - len); } - -/* - * - driver_alloc_binary() is thread safe (efile driver depend on it). - * - driver_realloc_binary(), and driver_free_binary() are *not* thread safe. - */ - /* * reference count on driver binaries... */ @@ -6936,26 +6930,15 @@ driver_alloc_binary(ErlDrvSizeT size) return Binary2ErlDrvBinary(bin); } -/* Reallocate space hold by binary */ +/* Reallocate space held by binary */ ErlDrvBinary* driver_realloc_binary(ErlDrvBinary* bin, ErlDrvSizeT size) { Binary* oldbin; Binary* newbin; - if (!bin) { - erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - erts_dsprintf(dsbufp, - "Bad use of driver_realloc_binary(%p, %lu): " - "called with ", - bin, (unsigned long)size); - if (!bin) { - erts_dsprintf(dsbufp, "NULL pointer as first argument"); - } - erts_send_warning_to_logger_nogl(dsbufp); - if (!bin) - return driver_alloc_binary(size); - } + if (!bin) + return driver_alloc_binary(size); oldbin = ErlDrvBinary2Binary(bin); newbin = (Binary *) erts_bin_realloc_fnf(oldbin, size); @@ -6969,14 +6952,8 @@ ErlDrvBinary* driver_realloc_binary(ErlDrvBinary* bin, ErlDrvSizeT size) void driver_free_binary(ErlDrvBinary* dbin) { Binary *bin; - if (!dbin) { - erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - erts_dsprintf(dsbufp, - "Bad use of driver_free_binary(%p): called with " - "NULL pointer as argument", dbin); - erts_send_warning_to_logger_nogl(dsbufp); + if (!dbin) return; - } bin = ErlDrvBinary2Binary(dbin); if (erts_refc_dectest(&bin->refc, 0) == 0) @@ -7632,20 +7609,27 @@ erl_drv_convert_time_unit(ErlDrvTime val, void erts_ref_to_driver_monitor(Eterm ref, ErlDrvMonitor *mon) { - RefThing *refp; - ASSERT(is_internal_ref(ref)); - ERTS_CT_ASSERT(sizeof(RefThing) <= sizeof(ErlDrvMonitor)); - refp = ref_thing_ptr(ref); - memset(mon,0,sizeof(ErlDrvMonitor)); - memcpy(mon,refp,sizeof(RefThing)); + ERTS_CT_ASSERT(ERTS_REF_THING_SIZE*sizeof(Uint) <= sizeof(ErlDrvMonitor)); + ASSERT(is_internal_ordinary_ref(ref)); + sys_memcpy((void *) mon, (void *) internal_ref_val(ref), + ERTS_REF_THING_SIZE*sizeof(Uint)); } +static Eterm driver_monitor_to_ref(Eterm *hp, const ErlDrvMonitor *mon) +{ + Eterm ref; + ERTS_CT_ASSERT(ERTS_REF_THING_SIZE*sizeof(Uint) <= sizeof(ErlDrvMonitor)); + sys_memcpy((void *) hp, (void *) mon, ERTS_REF_THING_SIZE*sizeof(Uint)); + ref = make_internal_ref(hp); + ASSERT(is_internal_ordinary_ref(ref)); + return ref; +} static int do_driver_monitor_process(Port *prt, - Eterm *buf, ErlDrvTermData process, ErlDrvMonitor *monitor) { + Eterm buf[ERTS_REF_THING_SIZE]; Process *rp; Eterm ref; @@ -7688,26 +7672,21 @@ int driver_monitor_process(ErlDrvPort drvport, /* Now (in SMP) we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); - { - DeclareTmpHeapNoproc(buf,REF_THING_SIZE); - UseTmpHeapNoproc(REF_THING_SIZE); - ret = do_driver_monitor_process(prt,buf,process,monitor); - UnUseTmpHeapNoproc(REF_THING_SIZE); - } + ret = do_driver_monitor_process(prt,process,monitor); DRV_MONITOR_UNLOCK_PDL(prt); return ret; } -static int do_driver_demonitor_process(Port *prt, Eterm *buf, - const ErlDrvMonitor *monitor) +static int do_driver_demonitor_process(Port *prt, const ErlDrvMonitor *monitor) { + Eterm heap[ERTS_REF_THING_SIZE]; Process *rp; Eterm ref; ErtsMonitor *mon; Eterm to; - memcpy(buf,monitor,sizeof(Eterm)*REF_THING_SIZE); - ref = make_internal_ref(buf); + ref = driver_monitor_to_ref(heap, monitor); + mon = erts_lookup_monitor(ERTS_P_MONITORS(prt), ref); if (mon == NULL) { return 1; @@ -7751,25 +7730,20 @@ int driver_demonitor_process(ErlDrvPort drvport, /* Now we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); - { - DeclareTmpHeapNoproc(buf,REF_THING_SIZE); - UseTmpHeapNoproc(REF_THING_SIZE); - ret = do_driver_demonitor_process(prt,buf,monitor); - UnUseTmpHeapNoproc(REF_THING_SIZE); - } + ret = do_driver_demonitor_process(prt,monitor); DRV_MONITOR_UNLOCK_PDL(prt); return ret; } -static ErlDrvTermData do_driver_get_monitored_process(Port *prt, Eterm *buf, - const ErlDrvMonitor *monitor) +static ErlDrvTermData do_driver_get_monitored_process(Port *prt,const ErlDrvMonitor *monitor) { Eterm ref; ErtsMonitor *mon; Eterm to; + Eterm heap[ERTS_REF_THING_SIZE]; + + ref = driver_monitor_to_ref(heap, monitor); - memcpy(buf,monitor,sizeof(Eterm)*REF_THING_SIZE); - ref = make_internal_ref(buf); mon = erts_lookup_monitor(ERTS_P_MONITORS(prt), ref); if (mon == NULL) { return driver_term_nil; @@ -7797,21 +7771,16 @@ ErlDrvTermData driver_get_monitored_process(ErlDrvPort drvport, /* Now we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); - { - DeclareTmpHeapNoproc(buf,REF_THING_SIZE); - UseTmpHeapNoproc(REF_THING_SIZE); - ret = do_driver_get_monitored_process(prt,buf,monitor); - UnUseTmpHeapNoproc(REF_THING_SIZE); - } + ret = do_driver_get_monitored_process(prt,monitor); DRV_MONITOR_UNLOCK_PDL(prt); return ret; } - int driver_compare_monitors(const ErlDrvMonitor *monitor1, const ErlDrvMonitor *monitor2) { - return memcmp(monitor1,monitor2,sizeof(ErlDrvMonitor)); + return sys_memcmp((void *) monitor1, (void *) monitor2, + ERTS_REF_THING_SIZE*sizeof(Eterm)); } void erts_fire_port_monitor(Port *prt, Eterm ref) diff --git a/erts/emulator/beam/register.c b/erts/emulator/beam/register.c index acda51c9fc..7f60710124 100644 --- a/erts/emulator/beam/register.c +++ b/erts/emulator/beam/register.c @@ -272,13 +272,13 @@ erts_whereis_name_to_id(Process *c_p, Eterm name) int ix; HashBucket* b; #ifdef ERTS_SMP - ErtsProcLocks c_p_locks = c_p ? ERTS_PROC_LOCK_MAIN : 0; - -#ifdef ERTS_ENABLE_LOCK_CHECK - if (c_p) ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(c_p); -#endif - + ErtsProcLocks c_p_locks = 0; + if (c_p) { + c_p_locks = ERTS_PROC_LOCK_MAIN; + ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(c_p); + } reg_safe_read_lock(c_p, &c_p_locks); + if (c_p && !c_p_locks) erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MAIN); #endif diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 4b3ac594a0..c6ea8049c3 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -487,20 +487,6 @@ extern volatile int erts_break_requested; void erts_do_break_handling(void); #endif -#ifdef ERTS_WANT_GOT_SIGUSR1 -# ifndef UNIX -# define ERTS_GOT_SIGUSR1 0 -# else -# ifdef ERTS_SMP -extern erts_smp_atomic32_t erts_got_sigusr1; -# define ERTS_GOT_SIGUSR1 ((int) erts_smp_atomic32_read_mb(&erts_got_sigusr1)) -# else -extern volatile int erts_got_sigusr1; -# define ERTS_GOT_SIGUSR1 erts_got_sigusr1 -# endif -# endif -#endif - #ifdef ERTS_SMP extern erts_smp_atomic32_t erts_writing_erl_crash_dump; extern erts_tsd_key_t erts_is_crash_dumping_key; @@ -865,9 +851,12 @@ int erts_sys_unsetenv(char *key); char *erts_read_env(char *key); void erts_free_read_env(void *value); +#if defined(ERTS_SMP) #if defined(ERTS_THR_HAVE_SIG_FUNCS) && !defined(ETHR_UNUSABLE_SIGUSRX) extern void sys_thr_resume(erts_tid_t tid); extern void sys_thr_suspend(erts_tid_t tid); +#define ERTS_SYS_SUSPEND_SIGNAL SIGUSR2 +#endif #endif /* utils.c */ @@ -900,10 +889,13 @@ void sys_alloc_stat(SysAllocStat *); #define ERTS_REFC_DEBUG #endif -typedef erts_smp_atomic_t erts_refc_t; +typedef erts_atomic_t erts_refc_t; ERTS_GLB_INLINE void erts_refc_init(erts_refc_t *refcp, erts_aint_t val); ERTS_GLB_INLINE void erts_refc_inc(erts_refc_t *refcp, erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_refc_inc_unless(erts_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val); ERTS_GLB_INLINE erts_aint_t erts_refc_inctest(erts_refc_t *refcp, erts_aint_t min_val); ERTS_GLB_INLINE void erts_refc_dec(erts_refc_t *refcp, erts_aint_t min_val); @@ -919,27 +911,51 @@ ERTS_GLB_INLINE erts_aint_t erts_refc_read(erts_refc_t *refcp, ERTS_GLB_INLINE void erts_refc_init(erts_refc_t *refcp, erts_aint_t val) { - erts_smp_atomic_init_nob((erts_smp_atomic_t *) refcp, val); + erts_atomic_init_nob((erts_atomic_t *) refcp, val); } ERTS_GLB_INLINE void erts_refc_inc(erts_refc_t *refcp, erts_aint_t min_val) { #ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_inc_read_nob((erts_atomic_t *) refcp); if (val < min_val) erts_exit(ERTS_ABORT_EXIT, "erts_refc_inc(): Bad refc found (refc=%ld < %ld)!\n", val, min_val); #else - erts_smp_atomic_inc_nob((erts_smp_atomic_t *) refcp); + erts_atomic_inc_nob((erts_atomic_t *) refcp); #endif } ERTS_GLB_INLINE erts_aint_t +erts_refc_inc_unless(erts_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val) +{ + erts_aint_t val = erts_atomic_read_nob((erts_atomic_t *) refcp); + while (1) { + erts_aint_t exp, new; +#ifdef ERTS_REFC_DEBUG + if (val < 0) + erts_exit(ERTS_ABORT_EXIT, + "erts_refc_inc_unless(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + if (val == unless_val) + return val; + new = val + 1; + exp = val; + val = erts_atomic_cmpxchg_nob((erts_atomic_t *) refcp, new, exp); + if (val == exp) + return new; + } +} + +ERTS_GLB_INLINE erts_aint_t erts_refc_inctest(erts_refc_t *refcp, erts_aint_t min_val) { - erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_inc_read_nob((erts_atomic_t *) refcp); #ifdef ERTS_REFC_DEBUG if (val < min_val) erts_exit(ERTS_ABORT_EXIT, @@ -953,20 +969,20 @@ ERTS_GLB_INLINE void erts_refc_dec(erts_refc_t *refcp, erts_aint_t min_val) { #ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_dec_read_nob((erts_atomic_t *) refcp); if (val < min_val) erts_exit(ERTS_ABORT_EXIT, "erts_refc_dec(): Bad refc found (refc=%ld < %ld)!\n", val, min_val); #else - erts_smp_atomic_dec_nob((erts_smp_atomic_t *) refcp); + erts_atomic_dec_nob((erts_atomic_t *) refcp); #endif } ERTS_GLB_INLINE erts_aint_t erts_refc_dectest(erts_refc_t *refcp, erts_aint_t min_val) { - erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_dec_read_nob((erts_atomic_t *) refcp); #ifdef ERTS_REFC_DEBUG if (val < min_val) erts_exit(ERTS_ABORT_EXIT, @@ -980,20 +996,20 @@ ERTS_GLB_INLINE void erts_refc_add(erts_refc_t *refcp, erts_aint_t diff, erts_aint_t min_val) { #ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_add_read_nob((erts_smp_atomic_t *) refcp, diff); + erts_aint_t val = erts_atomic_add_read_nob((erts_atomic_t *) refcp, diff); if (val < min_val) erts_exit(ERTS_ABORT_EXIT, "erts_refc_add(%ld): Bad refc found (refc=%ld < %ld)!\n", diff, val, min_val); #else - erts_smp_atomic_add_nob((erts_smp_atomic_t *) refcp, diff); + erts_atomic_add_nob((erts_atomic_t *) refcp, diff); #endif } ERTS_GLB_INLINE erts_aint_t erts_refc_read(erts_refc_t *refcp, erts_aint_t min_val) { - erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp); + erts_aint_t val = erts_atomic_read_nob((erts_atomic_t *) refcp); #ifdef ERTS_REFC_DEBUG if (val < min_val) erts_exit(ERTS_ABORT_EXIT, @@ -1005,6 +1021,140 @@ erts_refc_read(erts_refc_t *refcp, erts_aint_t min_val) #endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ +typedef erts_smp_atomic_t erts_smp_refc_t; + +ERTS_GLB_INLINE void erts_smp_refc_init(erts_smp_refc_t *refcp, erts_aint_t val); +ERTS_GLB_INLINE void erts_smp_refc_inc(erts_smp_refc_t *refcp, erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_smp_refc_inc_unless(erts_smp_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_smp_refc_inctest(erts_smp_refc_t *refcp, + erts_aint_t min_val); +ERTS_GLB_INLINE void erts_smp_refc_dec(erts_smp_refc_t *refcp, erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_smp_refc_dectest(erts_smp_refc_t *refcp, + erts_aint_t min_val); +ERTS_GLB_INLINE void erts_smp_refc_add(erts_smp_refc_t *refcp, erts_aint_t diff, + erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_smp_refc_read(erts_smp_refc_t *refcp, + erts_aint_t min_val); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE void +erts_smp_refc_init(erts_smp_refc_t *refcp, erts_aint_t val) +{ + erts_smp_atomic_init_nob((erts_smp_atomic_t *) refcp, val); +} + +ERTS_GLB_INLINE void +erts_smp_refc_inc(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ +#ifdef ERTS_REFC_DEBUG + erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_inc(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#else + erts_smp_atomic_inc_nob((erts_smp_atomic_t *) refcp); +#endif +} + +ERTS_GLB_INLINE erts_aint_t +erts_smp_refc_inc_unless(erts_smp_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val) +{ + erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp); + while (1) { + erts_aint_t exp, new; +#ifdef ERTS_REFC_DEBUG + if (val < 0) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_inc_unless(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + if (val == unless_val) + return val; + new = val + 1; + exp = val; + val = erts_smp_atomic_cmpxchg_nob((erts_smp_atomic_t *) refcp, new, exp); + if (val == exp) + return new; + } +} + + +ERTS_GLB_INLINE erts_aint_t +erts_smp_refc_inctest(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ + erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); +#ifdef ERTS_REFC_DEBUG + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_inctest(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + return val; +} + +ERTS_GLB_INLINE void +erts_smp_refc_dec(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ +#ifdef ERTS_REFC_DEBUG + erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_dec(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#else + erts_smp_atomic_dec_nob((erts_smp_atomic_t *) refcp); +#endif +} + +ERTS_GLB_INLINE erts_aint_t +erts_smp_refc_dectest(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ + erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); +#ifdef ERTS_REFC_DEBUG + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_dectest(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + return val; +} + +ERTS_GLB_INLINE void +erts_smp_refc_add(erts_smp_refc_t *refcp, erts_aint_t diff, erts_aint_t min_val) +{ +#ifdef ERTS_REFC_DEBUG + erts_aint_t val = erts_smp_atomic_add_read_nob((erts_smp_atomic_t *) refcp, diff); + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_add(%ld): Bad refc found (refc=%ld < %ld)!\n", + diff, val, min_val); +#else + erts_smp_atomic_add_nob((erts_smp_atomic_t *) refcp, diff); +#endif +} + +ERTS_GLB_INLINE erts_aint_t +erts_smp_refc_read(erts_smp_refc_t *refcp, erts_aint_t min_val) +{ + erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp); +#ifdef ERTS_REFC_DEBUG + if (val < min_val) + erts_exit(ERTS_ABORT_EXIT, + "erts_smp_refc_read(): Bad refc found (refc=%ld < %ld)!\n", + val, min_val); +#endif + return val; +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + + #ifdef ERTS_ENABLE_KERNEL_POLL extern int erts_use_kernel_poll; #endif diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 3fa48da1ec..092a5320ba 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -700,12 +700,7 @@ erts_bld_atom_2uint_3tup_list(Uint **hpp, Uint *szp, Sint length, /* make a hash index from an erlang term */ /* -** There are three hash functions. -** make_broken_hash: the one used for backward compatibility -** is called from the bif erlang:hash/2. Should never be used -** as it a) hashes only a part of binaries, b) hashes bignums really poorly, -** c) hashes bignums differently on different endian processors and d) hashes -** small integers with different weights on different bytes. +** There are two hash functions. ** ** make_hash: A hash function that will give the same values for the same ** terms regardless of the internal representation. Small integers are @@ -1045,6 +1040,10 @@ tail_recur: DESTROY_WSTACK(stack); return hash; +#undef MAKE_HASH_TUPLE_OP +#undef MAKE_HASH_TERM_ARRAY_OP +#undef MAKE_HASH_CDR_PRE_OP +#undef MAKE_HASH_CDR_POST_OP #undef UINT32_HASH_STEP #undef UINT32_HASH_RET } @@ -1839,7 +1838,7 @@ make_internal_hash(Eterm term) break; case REF_SUBTAG: UINT32_HASH(internal_ref_numbers(term)[0], HCONST_7); - ASSERT(internal_ref_no_of_numbers(term) == 3); + ASSERT(internal_ref_no_numbers(term) == 3); UINT32_HASH_2(internal_ref_numbers(term)[1], internal_ref_numbers(term)[2], HCONST_8); goto pop_next; @@ -1848,7 +1847,7 @@ make_internal_hash(Eterm term) { ExternalThing* thing = external_thing_ptr(term); - ASSERT(external_thing_ref_no_of_numbers(thing) == 3); + ASSERT(external_thing_ref_no_numbers(thing) == 3); /* See limitation #2 */ #ifdef ARCH_64 POINTER_HASH(thing->node, HCONST_7); @@ -1954,259 +1953,6 @@ make_internal_hash(Eterm term) #undef HCONST #undef MIX - -Uint32 make_broken_hash(Eterm term) -{ - Uint32 hash = 0; - DECLARE_WSTACK(stack); - unsigned op; -tail_recur: - op = tag_val_def(term); - for (;;) { - switch (op) { - case NIL_DEF: - hash = hash*FUNNY_NUMBER3 + 1; - break; - case ATOM_DEF: - hash = hash*FUNNY_NUMBER1 + - (atom_tab(atom_val(term))->slot.bucket.hvalue); - break; - case SMALL_DEF: -#if defined(ARCH_64) - { - Sint y1 = signed_val(term); - Uint y2 = y1 < 0 ? -(Uint)y1 : y1; - Uint32 y3 = (Uint32) (y2 >> 32); - int arity = 1; - -#if defined(WORDS_BIGENDIAN) - if (!IS_SSMALL28(y1)) - { /* like a bignum */ - Uint32 y4 = (Uint32) y2; - hash = hash*FUNNY_NUMBER2 + ((y4 << 16) | (y4 >> 16)); - if (y3) { - hash = hash*FUNNY_NUMBER2 + ((y3 << 16) | (y3 >> 16)); - arity++; - } - hash = hash * (y1 < 0 ? FUNNY_NUMBER3 : FUNNY_NUMBER2) + arity; - } else { - hash = hash*FUNNY_NUMBER2 + (((Uint) y1) & 0xfffffff); - } -#else - if (!IS_SSMALL28(y1)) - { /* like a bignum */ - hash = hash*FUNNY_NUMBER2 + ((Uint32) y2); - if (y3) - { - hash = hash*FUNNY_NUMBER2 + y3; - arity++; - } - hash = hash * (y1 < 0 ? FUNNY_NUMBER3 : FUNNY_NUMBER2) + arity; - } else { - hash = hash*FUNNY_NUMBER2 + (((Uint) y1) & 0xfffffff); - } -#endif - } -#else - hash = hash*FUNNY_NUMBER2 + unsigned_val(term); -#endif - break; - - case BINARY_DEF: - { - size_t sz = binary_size(term); - size_t i = (sz < 15) ? sz : 15; - - hash = hash_binary_bytes(term, i, hash); - hash = hash*FUNNY_NUMBER4 + sz; - break; - } - - case EXPORT_DEF: - { - Export* ep = *((Export **) (export_val(term) + 1)); - - hash = hash * FUNNY_NUMBER11 + ep->info.mfa.arity; - hash = hash*FUNNY_NUMBER1 + - (atom_tab(atom_val(ep->info.mfa.module))->slot.bucket.hvalue); - hash = hash*FUNNY_NUMBER1 + - (atom_tab(atom_val(ep->info.mfa.function))->slot.bucket.hvalue); - break; - } - - case FUN_DEF: - { - ErlFunThing* funp = (ErlFunThing *) fun_val(term); - Uint num_free = funp->num_free; - - hash = hash * FUNNY_NUMBER10 + num_free; - hash = hash*FUNNY_NUMBER1 + - (atom_tab(atom_val(funp->fe->module))->slot.bucket.hvalue); - hash = hash*FUNNY_NUMBER2 + funp->fe->old_index; - hash = hash*FUNNY_NUMBER2 + funp->fe->old_uniq; - if (num_free > 0) { - if (num_free > 1) { - WSTACK_PUSH3(stack, (UWord) &funp->env[1], (num_free-1), MAKE_HASH_TERM_ARRAY_OP); - } - term = funp->env[0]; - goto tail_recur; - } - break; - } - - case PID_DEF: - hash = hash*FUNNY_NUMBER5 + internal_pid_number(term); - break; - case EXTERNAL_PID_DEF: - hash = hash*FUNNY_NUMBER5 + external_pid_number(term); - break; - case PORT_DEF: - hash = hash*FUNNY_NUMBER9 + internal_port_number(term); - break; - case EXTERNAL_PORT_DEF: - hash = hash*FUNNY_NUMBER9 + external_port_number(term); - break; - case REF_DEF: - hash = hash*FUNNY_NUMBER9 + internal_ref_numbers(term)[0]; - break; - case EXTERNAL_REF_DEF: - hash = hash*FUNNY_NUMBER9 + external_ref_numbers(term)[0]; - break; - case FLOAT_DEF: - { - FloatDef ff; - GET_DOUBLE(term, ff); - if (ff.fd == 0.0f) { - /* ensure positive 0.0 */ - ff.fd = erts_get_positive_zero_float(); - } - hash = hash*FUNNY_NUMBER6 + (ff.fw[0] ^ ff.fw[1]); - } - break; - case MAKE_HASH_CDR_PRE_OP: - term = (Eterm) WSTACK_POP(stack); - if (is_not_list(term)) { - WSTACK_PUSH(stack, (UWord) MAKE_HASH_CDR_POST_OP); - goto tail_recur; - } - /*fall through*/ - case LIST_DEF: - { - Eterm* list = list_val(term); - WSTACK_PUSH2(stack, (UWord) CDR(list), - (UWord) MAKE_HASH_CDR_PRE_OP); - term = CAR(list); - goto tail_recur; - } - - case MAKE_HASH_CDR_POST_OP: - hash *= FUNNY_NUMBER8; - break; - - case BIG_DEF: - { - Eterm* ptr = big_val(term); - int is_neg = BIG_SIGN(ptr); - Uint arity = BIG_ARITY(ptr); - Uint i = arity; - ptr++; -#if D_EXP == 16 - /* hash over 32 bit LE */ - - while(i--) { - hash = hash*FUNNY_NUMBER2 + *ptr++; - } -#elif D_EXP == 32 - -#if defined(WORDS_BIGENDIAN) - while(i--) { - Uint d = *ptr++; - hash = hash*FUNNY_NUMBER2 + ((d << 16) | (d >> 16)); - } -#else - while(i--) { - hash = hash*FUNNY_NUMBER2 + *ptr++; - } -#endif - -#elif D_EXP == 64 - { - Uint32 h = 0, l; -#if defined(WORDS_BIGENDIAN) - while(i--) { - Uint d = *ptr++; - l = d & 0xffffffff; - h = d >> 32; - hash = hash*FUNNY_NUMBER2 + ((l << 16) | (l >> 16)); - if (h || i) - hash = hash*FUNNY_NUMBER2 + ((h << 16) | (h >> 16)); - } -#else - while(i--) { - Uint d = *ptr++; - l = d & 0xffffffff; - h = d >> 32; - hash = hash*FUNNY_NUMBER2 + l; - if (h || i) - hash = hash*FUNNY_NUMBER2 + h; - } -#endif - /* adjust arity to match 32 bit mode */ - arity = (arity << 1) - (h == 0); - } - -#else -#error "unsupported D_EXP size" -#endif - hash = hash * (is_neg ? FUNNY_NUMBER3 : FUNNY_NUMBER2) + arity; - } - break; - - case MAP_DEF: - hash = hash*FUNNY_NUMBER13 + FUNNY_NUMBER14 + make_hash2(term); - break; - case TUPLE_DEF: - { - Eterm* ptr = tuple_val(term); - Uint arity = arityval(*ptr); - - WSTACK_PUSH3(stack, (UWord) arity, (UWord) (ptr+1), (UWord) arity); - op = MAKE_HASH_TUPLE_OP; - }/*fall through*/ - case MAKE_HASH_TUPLE_OP: - case MAKE_HASH_TERM_ARRAY_OP: - { - Uint i = (Uint) WSTACK_POP(stack); - Eterm* ptr = (Eterm*) WSTACK_POP(stack); - if (i != 0) { - term = *ptr; - WSTACK_PUSH3(stack, (UWord)(ptr+1), (UWord) i-1, (UWord) op); - goto tail_recur; - } - if (op == MAKE_HASH_TUPLE_OP) { - Uint32 arity = (UWord) WSTACK_POP(stack); - hash = hash*FUNNY_NUMBER9 + arity; - } - break; - } - - default: - erts_exit(ERTS_ERROR_EXIT, "Invalid tag in make_broken_hash\n"); - return 0; - } - if (WSTACK_ISEMPTY(stack)) break; - op = (Uint) WSTACK_POP(stack); - } - - DESTROY_WSTACK(stack); - return hash; - -#undef MAKE_HASH_TUPLE_OP -#undef MAKE_HASH_TERM_ARRAY_OP -#undef MAKE_HASH_CDR_PRE_OP -#undef MAKE_HASH_CDR_POST_OP -} - static Eterm do_allocate_logger_message(Eterm gleader, Eterm **hp, ErlOffHeap **ohp, ErlHeapFragment **bp, Process **p, Uint sz) @@ -2740,22 +2486,20 @@ tailrecur_ne: anum = external_thing_ref_numbers(athing); bnum = external_thing_ref_numbers(bthing); - alen = external_thing_ref_no_of_numbers(athing); - blen = external_thing_ref_no_of_numbers(bthing); + alen = external_thing_ref_no_numbers(athing); + blen = external_thing_ref_no_numbers(bthing); goto ref_common; + case REF_SUBTAG: - if (!is_internal_ref(b)) - goto not_equal; - { - RefThing* athing = ref_thing_ptr(a); - RefThing* bthing = ref_thing_ptr(b); - alen = internal_thing_ref_no_of_numbers(athing); - blen = internal_thing_ref_no_of_numbers(bthing); - anum = internal_thing_ref_numbers(athing); - bnum = internal_thing_ref_numbers(bthing); - } + if (!is_internal_ref(b)) + goto not_equal; + + alen = internal_ref_no_numbers(a); + anum = internal_ref_numbers(a); + blen = internal_ref_no_numbers(b); + bnum = internal_ref_numbers(b); ref_common: ASSERT(alen > 0 && blen > 0); @@ -3387,25 +3131,21 @@ tailrecur_ne: */ if (is_internal_ref(b)) { - RefThing* bthing = ref_thing_ptr(b); bnode = erts_this_node; - bnum = internal_thing_ref_numbers(bthing); - blen = internal_thing_ref_no_of_numbers(bthing); + blen = internal_ref_no_numbers(b); + bnum = internal_ref_numbers(b); } else if(is_external_ref(b)) { ExternalThing* bthing = external_thing_ptr(b); bnode = bthing->node; bnum = external_thing_ref_numbers(bthing); - blen = external_thing_ref_no_of_numbers(bthing); + blen = external_thing_ref_no_numbers(bthing); } else { a_tag = REF_DEF; goto mixed_types; } - { - RefThing* athing = ref_thing_ptr(a); - anode = erts_this_node; - anum = internal_thing_ref_numbers(athing); - alen = internal_thing_ref_no_of_numbers(athing); - } + anode = erts_this_node; + alen = internal_ref_no_numbers(a); + anum = internal_ref_numbers(a); ref_common: CMP_NODES(anode, bnode); @@ -3435,15 +3175,14 @@ tailrecur_ne: goto pop_next; case (_TAG_HEADER_EXTERNAL_REF >> _TAG_PRIMARY_SIZE): if (is_internal_ref(b)) { - RefThing* bthing = ref_thing_ptr(b); bnode = erts_this_node; - bnum = internal_thing_ref_numbers(bthing); - blen = internal_thing_ref_no_of_numbers(bthing); + blen = internal_ref_no_numbers(b); + bnum = internal_ref_numbers(b); } else if (is_external_ref(b)) { ExternalThing* bthing = external_thing_ptr(b); bnode = bthing->node; bnum = external_thing_ref_numbers(bthing); - blen = external_thing_ref_no_of_numbers(bthing); + blen = external_thing_ref_no_numbers(bthing); } else { a_tag = EXTERNAL_REF_DEF; goto mixed_types; @@ -3452,7 +3191,7 @@ tailrecur_ne: ExternalThing* athing = external_thing_ptr(a); anode = athing->node; anum = external_thing_ref_numbers(athing); - alen = external_thing_ref_no_of_numbers(athing); + alen = external_thing_ref_no_numbers(athing); } goto ref_common; default: @@ -3829,40 +3568,41 @@ not_equal: Eterm store_external_or_ref_(Uint **hpp, ErlOffHeap* oh, Eterm ns) { + struct erl_off_heap_header *ohhp; Uint i; Uint size; - Uint *from_hp; - Uint *to_hp = *hpp; + Eterm *from_hp; + Eterm *to_hp = *hpp; ASSERT(is_external(ns) || is_internal_ref(ns)); - if(is_external(ns)) { - from_hp = external_val(ns); - size = thing_arityval(*from_hp) + 1; - *hpp += size; - - for(i = 0; i < size; i++) - to_hp[i] = from_hp[i]; - - erts_refc_inc(&((ExternalThing *) to_hp)->node->refc, 2); - - ((struct erl_off_heap_header*) to_hp)->next = oh->first; - oh->first = (struct erl_off_heap_header*) to_hp; - - return make_external(to_hp); - } - - /* Internal ref */ - from_hp = internal_ref_val(ns); - + from_hp = boxed_val(ns); size = thing_arityval(*from_hp) + 1; - *hpp += size; for(i = 0; i < size; i++) to_hp[i] = from_hp[i]; - return make_internal_ref(to_hp); + if (is_external_header(*from_hp)) { + ExternalThing *etp = (ExternalThing *) from_hp; + ASSERT(is_external(ns)); + erts_smp_refc_inc(&etp->node->refc, 2); + } + else if (is_ordinary_ref_thing(from_hp)) + return make_internal_ref(to_hp); + else { + ErtsMRefThing *mreft = (ErtsMRefThing *) from_hp; + ErtsMagicBinary *mb = mreft->mb; + ASSERT(is_magic_ref_thing(from_hp)); + erts_refc_inc(&mb->refc, 2); + OH_OVERHEAD(oh, mb->orig_size / sizeof(Eterm)); + } + + ohhp = (struct erl_off_heap_header*) to_hp; + ohhp->next = oh->first; + oh->first = ohhp; + + return make_boxed(to_hp); } Eterm @@ -3925,6 +3665,68 @@ intlist_to_buf(Eterm list, char *buf, Sint len) return -2; /* not enough space */ } +/* Fill buf with the contents of the unicode list. + * Return the number of bytes in the buffer, + * or -1 for type error, + * or -2 for not enough buffer space (buffer contains truncated result). + */ +Sint +erts_unicode_list_to_buf(Eterm list, byte *buf, Sint len) +{ + Eterm* listptr; + Sint sz = 0; + + if (is_nil(list)) { + return 0; + } + if (is_not_list(list)) { + return -1; + } + listptr = list_val(list); + + while (len-- > 0) { + Sint val; + + if (is_not_small(CAR(listptr))) { + return -1; + } + val = signed_val(CAR(listptr)); + if (0 <= val && val < 0x80) { + buf[sz] = val; + sz++; + } else if (val < 0x800) { + buf[sz+0] = 0xC0 | (val >> 6); + buf[sz+1] = 0x80 | (val & 0x3F); + sz += 2; + } else if (val < 0x10000UL) { + if (0xD800 <= val && val <= 0xDFFF) { + return -1; + } + buf[sz+0] = 0xE0 | (val >> 12); + buf[sz+1] = 0x80 | ((val >> 6) & 0x3F); + buf[sz+2] = 0x80 | (val & 0x3F); + sz += 3; + } else if (val < 0x110000) { + buf[sz+0] = 0xF0 | (val >> 18); + buf[sz+1] = 0x80 | ((val >> 12) & 0x3F); + buf[sz+2] = 0x80 | ((val >> 6) & 0x3F); + buf[sz+3] = 0x80 | (val & 0x3F); + sz += 4; + } else { + return -1; + } + list = CDR(listptr); + if (is_nil(list)) { + return sz; + } + if (is_not_list(list)) { + return -1; + } + listptr = list_val(list); + } + return -2; /* not enough space */ +} + /* ** Convert an integer to a byte list ** return pointer to converted stuff (need not to be at start of buf!) |