diff options
Diffstat (limited to 'erts')
54 files changed, 708 insertions, 396 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index 6c0544da31..5ea4c2ccf3 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -1704,6 +1704,25 @@ case "$THR_LIB_NAME" in AC_DEFINE(ETHR_TIME_WITH_SYS_TIME, 1, \ [Define if you can safely include both <sys/time.h> and <time.h>.])) + AC_MSG_CHECKING([for usable PTHREAD_STACK_MIN]) + pthread_stack_min=no + AC_TRY_COMPILE([ +#include <limits.h> +#if defined(ETHR_NEED_NPTL_PTHREAD_H) +#include <nptl/pthread.h> +#elif defined(ETHR_HAVE_MIT_PTHREAD_H) +#include <pthread/mit/pthread.h> +#elif defined(ETHR_HAVE_PTHREAD_H) +#include <pthread.h> +#endif + ], + [return PTHREAD_STACK_MIN;], + [pthread_stack_min=yes]) + + AC_MSG_RESULT([$pthread_stack_min]) + test $pthread_stack_min != yes || { + AC_DEFINE(ETHR_HAVE_USABLE_PTHREAD_STACK_MIN, 1, [Define if you can use PTHREAD_STACK_MIN]) + } dnl dnl Check for functions diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml index d8bf45c523..7fbe97bc0b 100644 --- a/erts/doc/src/erl_driver.xml +++ b/erts/doc/src/erl_driver.xml @@ -1103,8 +1103,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <marker id="driver_binary_dec_refc"></marker> <p>Decrements the reference count on <c>bin</c> and returns the reference count reached after the decrement.</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> <note> <p>The reference count of driver binary is normally to be decremented by calling <seealso marker="#driver_free_binary"> @@ -1124,8 +1123,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <desc> <marker id="driver_binary_get_refc"></marker> <p>Returns the current reference count on <c>bin</c>.</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> </desc> </func> @@ -1137,8 +1135,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <marker id="driver_binary_inc_refc"></marker> <p>Increments the reference count on <c>bin</c> and returns the reference count reached after the increment.</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> </desc> </func> @@ -1434,8 +1431,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <seealso marker="#driver_alloc_binary"> <c>driver_alloc_binary</c></seealso>. As binaries in Erlang are reference counted, the binary can still be around.</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> </desc> </func> @@ -1872,8 +1868,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code> <p>Resizes a driver binary, while keeping the data.</p> <p>Returns the resized driver binary on success. Returns <c>NULL</c> on failure (out of memory).</p> - <p>This function is only thread-safe when the emulator with SMP - support is used.</p> + <p>This function is thread-safe.</p> </desc> </func> diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 11777f0014..ae1d2b1d93 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -32,6 +32,53 @@ <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 8.2.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix bug in <c>binary_to_term</c> for binaries created by + <c>term_to_binary </c> with option <c>compressed</c>. The + bug can cause <c>badarg</c> exception for a valid binary + when Erlang VM is linked against a <c>zlib</c> library of + version 1.2.9 or newer. Bug exists since OTP 17.0.</p> + <p> + Own Id: OTP-14159 Aux Id: ERL-340 </p> + </item> + <item> + <p> + The driver efile_drv when opening a file now use fstat() + on the open file instead of stat() before opening, if + fstat() exists. This avoids a race when the file happens + to change between stat() and open().</p> + <p> + Own Id: OTP-14184 Aux Id: seq-13266 </p> + </item> + </list> + </section> + +</section> + +<section><title>Erts 8.2.1</title> + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix a quite rare bug causing VM crash during code loading + and the use of export funs (fun M:F/A) of not yet loaded + modules. Requires a very specfic timing of concurrent + scheduler threads. Has been seen on ARM but can probably + also occure on other architectures. Bug has existed since + OTP R16.</p> + <p> + Own Id: OTP-14144 Aux Id: seq13242 </p> + </item> + </list> + </section> + +</section> + <section><title>Erts 8.2</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index 644fd9fbf9..7f5e9ff691 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -786,7 +786,7 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2) } if (BIF_ARG_2 == am_true) { - int i; + int i, num_exps; /* * Make the code with the on_load function current. @@ -802,7 +802,8 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2) /* * The on_load function succeded. Fix up export entries. */ - for (i = 0; i < export_list_size(code_ix); i++) { + num_exps = export_list_size(code_ix); + for (i = 0; i < num_exps; i++) { Export *ep = export_list(i,code_ix); if (ep == NULL || ep->code[0] != BIF_ARG_1) { continue; @@ -822,14 +823,15 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2) modp->curr.code_hdr->on_load_function_ptr = NULL; set_default_trace_pattern(BIF_ARG_1); } else if (BIF_ARG_2 == am_false) { - int i; + int i, num_exps; /* * The on_load function failed. Remove references to the * code that is about to be purged from the export entries. */ - for (i = 0; i < export_list_size(code_ix); i++) { + num_exps = export_list_size(code_ix); + for (i = 0; i < num_exps; i++) { Export *ep = export_list(i,code_ix); if (ep == NULL || ep->code[0] != BIF_ARG_1) { continue; @@ -995,6 +997,12 @@ erts_proc_copy_literal_area(Process *c_p, int *redsp, int fcalls, int gc_allowed if (any_heap_refs(c_p->heap, c_p->htop, literals, lit_bsize)) goto literal_gc; *redsp += 1; + if (c_p->abandoned_heap) { + if (any_heap_refs(c_p->abandoned_heap, c_p->abandoned_heap + c_p->heap_sz, + literals, lit_bsize)) + goto literal_gc; + *redsp += 1; + } if (any_heap_refs(c_p->old_heap, c_p->old_htop, literals, lit_bsize)) goto literal_gc; @@ -1295,6 +1303,11 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls #endif if (any_heap_refs(rp->heap, rp->htop, literals, lit_bsize)) goto try_literal_gc; + if (rp->abandoned_heap) { + if (any_heap_refs(rp->abandoned_heap, rp->abandoned_heap + rp->heap_sz, + literals, lit_bsize)) + goto try_literal_gc; + } if (any_heap_refs(rp->old_heap, rp->old_htop, literals, lit_bsize)) goto try_literal_gc; @@ -2022,9 +2035,9 @@ delete_code(Module* modp) { ErtsCodeIndex code_ix = erts_staging_code_ix(); Eterm module = make_atom(modp->module); - int i; + int i, num_exps = export_list_size(code_ix); - for (i = 0; i < export_list_size(code_ix); i++) { + for (i = 0; i < num_exps; i++) { Export *ep = export_list(i, code_ix); if (ep != NULL && (ep->code[0] == module)) { if (ep->addressv[code_ix] == ep->code+3) { diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index bbb2e4f34f..a66d9f68d9 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -74,6 +74,9 @@ extern BeamInstr beam_return_time_trace[1]; /* OpCode(i_return_time_trace) */ erts_smp_atomic32_t erts_active_bp_index; erts_smp_atomic32_t erts_staging_bp_index; +#ifdef ERTS_DIRTY_SCHEDULERS +erts_smp_mtx_t erts_dirty_bp_ix_mtx; +#endif /* * Inlined helpers @@ -85,6 +88,31 @@ get_mtime(Process *c_p) return erts_get_monotonic_time(erts_proc_sched_data(c_p)); } +static ERTS_INLINE Uint32 +acquire_bp_sched_ix(Process *c_p) +{ + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); + ASSERT(esdp); +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) { + erts_smp_mtx_lock(&erts_dirty_bp_ix_mtx); + return (Uint32) erts_no_schedulers; + } +#endif + return (Uint32) esdp->no - 1; +} + +static ERTS_INLINE void +release_bp_sched_ix(Uint32 ix) +{ +#ifdef ERTS_DIRTY_SCHEDULERS + if (ix == (Uint32) erts_no_schedulers) + erts_smp_mtx_unlock(&erts_dirty_bp_ix_mtx); +#endif +} + + + /* ************************************************************************* ** Local prototypes */ @@ -135,6 +163,9 @@ void erts_bp_init(void) { erts_smp_atomic32_init_nob(&erts_active_bp_index, 0); erts_smp_atomic32_init_nob(&erts_staging_bp_index, 1); +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_mtx_init(&erts_dirty_bp_ix_mtx, "dirty_break_point_index"); +#endif } @@ -347,17 +378,17 @@ consolidate_bp_data(Module* modp, BeamInstr* pc, 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); } } @@ -973,6 +1004,7 @@ erts_trace_time_call(Process* c_p, BeamInstr* I, BpDataTime* bdt) bp_data_time_item_t sitem, *item = NULL; bp_time_hash_t *h = NULL; BpDataTime *pbdt = NULL; + Uint32 six = acquire_bp_sched_ix(c_p); ASSERT(c_p); ASSERT(erts_smp_atomic32_read_acqb(&c_p->state) & (ERTS_PSFLG_RUNNING @@ -980,7 +1012,7 @@ erts_trace_time_call(Process* c_p, BeamInstr* I, BpDataTime* bdt) /* get previous timestamp and breakpoint * from the process psd */ - + pbt = ERTS_PROC_GET_CALL_TIME(c_p); time = get_mtime(c_p); @@ -1006,7 +1038,7 @@ erts_trace_time_call(Process* c_p, BeamInstr* I, BpDataTime* bdt) /* if null then the breakpoint was removed */ if (pbdt) { - h = &(pbdt->hash[bp_sched2ix_proc(c_p)]); + h = &(pbdt->hash[six]); ASSERT(h); ASSERT(h->item); @@ -1027,7 +1059,7 @@ erts_trace_time_call(Process* c_p, BeamInstr* I, BpDataTime* bdt) /* this breakpoint */ ASSERT(bdt); - h = &(bdt->hash[bp_sched2ix_proc(c_p)]); + h = &(bdt->hash[six]); ASSERT(h); ASSERT(h->item); @@ -1041,6 +1073,8 @@ erts_trace_time_call(Process* c_p, BeamInstr* I, BpDataTime* bdt) pbt->pc = I; pbt->time = time; + + release_bp_sched_ix(six); } void @@ -1051,6 +1085,7 @@ erts_trace_time_return(Process *p, BeamInstr *pc) bp_data_time_item_t sitem, *item = NULL; bp_time_hash_t *h = NULL; BpDataTime *pbdt = NULL; + Uint32 six = acquire_bp_sched_ix(p); ASSERT(p); ASSERT(erts_smp_atomic32_read_acqb(&p->state) & (ERTS_PSFLG_RUNNING @@ -1071,6 +1106,7 @@ erts_trace_time_return(Process *p, BeamInstr *pc) */ if (pbt) { + /* might have been removed due to * trace_pattern(false) */ @@ -1085,7 +1121,8 @@ erts_trace_time_return(Process *p, BeamInstr *pc) /* beware, the trace_pattern might have been removed */ if (pbdt) { - h = &(pbdt->hash[bp_sched2ix_proc(p)]); + + h = &(pbdt->hash[six]); ASSERT(h); ASSERT(h->item); @@ -1096,11 +1133,15 @@ erts_trace_time_return(Process *p, BeamInstr *pc) } else { BP_TIME_ADD(item, &sitem); } + } pbt->pc = pc; pbt->time = time; + } + + release_bp_sched_ix(six); } int @@ -1353,6 +1394,7 @@ void erts_schedule_time_break(Process *p, Uint schedule) { bp_data_time_item_t sitem, *item = NULL; bp_time_hash_t *h = NULL; BpDataTime *pbdt = NULL; + Uint32 six = acquire_bp_sched_ix(p); ASSERT(p); @@ -1375,7 +1417,7 @@ void erts_schedule_time_break(Process *p, Uint schedule) { sitem.pid = p->common.id; sitem.count = 0; - h = &(pbdt->hash[bp_sched2ix_proc(p)]); + h = &(pbdt->hash[six]); ASSERT(h); ASSERT(h->item); @@ -1401,6 +1443,8 @@ void erts_schedule_time_break(Process *p, Uint schedule) { break; } } /* pbt */ + + release_bp_sched_ix(six); } /* ************************************************************************* @@ -1498,7 +1542,7 @@ set_function_break(BeamInstr *pc, 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; @@ -1507,7 +1551,7 @@ set_function_break(BeamInstr *pc, 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) { @@ -1516,8 +1560,12 @@ set_function_break(BeamInstr *pc, Binary *match_spec, Uint break_flags, ASSERT((bp->flags & ERTS_BPF_TIME_TRACE) == 0); bdt = Alloc(sizeof(BpDataTime)); - erts_refc_init(&bdt->refc, 1); - bdt->n = erts_no_total_schedulers; + erts_smp_refc_init(&bdt->refc, 1); +#ifdef ERTS_DIRTY_SCHEDULERS + bdt->n = erts_no_schedulers + 1; +#else + bdt->n = erts_no_schedulers; +#endif bdt->hash = Alloc(sizeof(bp_time_hash_t)*(bdt->n)); for (i = 0; i < bdt->n; i++) { bp_hash_init(&(bdt->hash[i]), 32); @@ -1583,7 +1631,7 @@ clear_function_break(BeamInstr *pc, 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); @@ -1593,7 +1641,7 @@ 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); } } @@ -1601,7 +1649,7 @@ 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 7206ef471a..9e4ab3cd20 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 { @@ -79,10 +79,8 @@ typedef struct generic_bp { #define ERTS_BP_CALL_TIME_SCHEDULE_OUT (1) #define ERTS_BP_CALL_TIME_SCHEDULE_EXITING (2) -#ifdef ERTS_SMP -#define bp_sched2ix_proc(p) (erts_proc_sched_data(p)->thr_id - 1) -#else -#define bp_sched2ix_proc(p) (0) +#ifdef ERTS_DIRTY_SCHEDULERS +extern erts_smp_mtx_t erts_dirty_bp_ix_mtx; #endif enum erts_break_op{ diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 66bccedd94..1c83d8f02e 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -3552,18 +3552,11 @@ do { \ BifFunction vbf; ErlHeapFragment *live_hf_end; - if (!((FCALLS - 1) > 0 || (FCALLS - 1) > neg_o_reds)) { - /* If we have run out of reductions, we do a context - switch before calling the nif */ - goto context_switch; - } - ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_NIF); DTRACE_NIF_ENTRY(c_p, (Eterm)I[-3], (Eterm)I[-2], (Uint)I[-1]); c_p->current = I-3; /* current and vbf set to please handle_error */ - SWAPOUT; - c_p->fcalls = FCALLS - 1; + HEAVY_SWAPOUT; PROCESS_MAIN_CHK_LOCKS(c_p); bif_nif_arity = I[-1]; ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p); @@ -6842,7 +6835,7 @@ 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 0afdedf6c2..88b6e89a02 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -797,14 +797,14 @@ erts_finish_loading(Binary* magic, Process* c_p, } else { ErtsCodeIndex code_ix = erts_staging_code_ix(); Eterm module = stp->module; - int i; + int i, num_exps; /* * There is an -on_load() function. We will keep the current * code, but we must turn off any tracing. */ - - for (i = 0; i < export_list_size(code_ix); i++) { + num_exps = export_list_size(code_ix); + for (i = 0; i < num_exps; i++) { Export *ep = export_list(i, code_ix); if (ep == NULL || ep->code[0] != module) { continue; @@ -4867,7 +4867,7 @@ 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 @@ -5754,12 +5754,13 @@ exported_from_module(Process* p, /* Process whose heap to use. */ ErtsCodeIndex code_ix, Eterm mod) /* Tagged atom for module. */ { - int i; + int i, num_exps; Eterm* hp = NULL; Eterm* hend = NULL; Eterm result = NIL; - for (i = 0; i < export_list_size(code_ix); i++) { + num_exps = export_list_size(code_ix); + for (i = 0; i < num_exps; i++) { Export* ep = export_list(i,code_ix); if (ep->code[0] == mod) { @@ -6286,7 +6287,7 @@ 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)) diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index dfbe1ced47..f2eda6c0f8 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -379,6 +379,16 @@ 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) { @@ -399,9 +409,9 @@ 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); } } } @@ -422,12 +432,12 @@ 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"); } @@ -442,7 +452,7 @@ 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: "); @@ -456,7 +466,7 @@ 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: "); @@ -647,7 +657,7 @@ 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) { @@ -717,6 +727,8 @@ 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 ccc4cbad43..78db141cfc 100644 --- a/erts/emulator/beam/copy.c +++ b/erts/emulator/beam/copy.c @@ -826,7 +826,7 @@ 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; @@ -845,7 +845,7 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint etp->next = off_heap->first; off_heap->first = (struct erl_off_heap_header*)etp; - erts_refc_inc(&etp->node->refc, 2); + erts_smp_refc_inc(&etp->node->refc, 2); *argp = make_external(tp); } @@ -1491,7 +1491,7 @@ 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: @@ -1626,7 +1626,7 @@ Uint copy_shared_perform(Eterm obj, Uint size, erts_shcopy_t *info, } etp->next = off_heap->first; off_heap->first = (struct erl_off_heap_header*) etp; - erts_refc_inc(&etp->node->refc, 2); + erts_smp_refc_inc(&etp->node->refc, 2); goto cleanup_next; } default: @@ -1802,7 +1802,7 @@ 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: @@ -1810,7 +1810,7 @@ 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: { diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index d79245e0e6..52b2174609 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -2081,7 +2081,7 @@ 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); @@ -2514,7 +2514,7 @@ 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/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c index ef77201544..bace51bbbb 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 */ } @@ -1643,7 +1643,7 @@ 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 +1681,7 @@ 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; diff --git a/erts/emulator/beam/erl_bif_guard.c b/erts/emulator/beam/erl_bif_guard.c index b42d2dc28b..74cf7cf11a 100644 --- a/erts/emulator/beam/erl_bif_guard.c +++ b/erts/emulator/beam/erl_bif_guard.c @@ -157,7 +157,7 @@ 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); } @@ -597,8 +597,7 @@ 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 88a052cad7..95a56a3de9 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -174,7 +174,7 @@ 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; diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c index 96275eb228..0627526d7e 100644 --- a/erts/emulator/beam/erl_bif_trace.c +++ b/erts/emulator/beam/erl_bif_trace.c @@ -1062,9 +1062,16 @@ trace_info_func(Process* p, Eterm func_spec, Eterm key) erts_smp_thr_progress_block(); } #endif +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_mtx_lock(&erts_dirty_bp_ix_mtx); +#endif + r = function_is_traced(p, mfa, &ms, &ms_meta, &meta, &count, &call_time); +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_mtx_unlock(&erts_dirty_bp_ix_mtx); +#endif #ifdef ERTS_SMP if ( (key == am_call_time) || (key == am_all)) { erts_smp_thr_progress_unblock(); diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index dceadc46f4..3cc2b21a20 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; @@ -2990,7 +2990,7 @@ 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 +3021,7 @@ 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 +3382,7 @@ 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 +3458,7 @@ 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 +3514,7 @@ 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 +3563,7 @@ 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_util.c b/erts/emulator/beam/erl_db_util.c index 6732b708a8..f4db7ca3dd 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -3107,7 +3107,7 @@ 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; diff --git a/erts/emulator/beam/erl_db_util.h b/erts/emulator/beam/erl_db_util.h index 49e5f6b4cf..3fb063797e 100644 --- a/erts/emulator/beam/erl_db_util.h +++ b/erts/emulator/beam/erl_db_util.h @@ -211,7 +211,7 @@ 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 +260,7 @@ 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) /* diff --git a/erts/emulator/beam/erl_fun.c b/erts/emulator/beam/erl_fun.c index d0a57f0ad0..fd4d5b1c5c 100644 --- a/erts/emulator/beam/erl_fun.c +++ b/erts/emulator/beam/erl_fun.c @@ -110,9 +110,9 @@ 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; } @@ -134,9 +134,9 @@ 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; } @@ -161,9 +161,9 @@ 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; @@ -184,7 +184,7 @@ 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) @@ -256,7 +256,7 @@ erts_fun_purge_complete(ErlFunEntry **funs, Uint no) for (ix = 0; ix < no; ix++) { ErlFunEntry *fe = funs[ix]; fe->pend_purge_address = NULL; - 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; @@ -288,7 +288,7 @@ 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; } } @@ -319,7 +319,7 @@ 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 caa55c730c..0fd0d62343 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 */ } ErlFunEntry; diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index cb48b31b7e..9b7744068e 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -59,6 +59,10 @@ # define ERTS_GC_ASSERT(B) ((void) 1) #endif +#if defined(DEBUG) && 0 +# define HARDDEBUG 1 +#endif + /* * Returns number of elements in an array. */ @@ -110,7 +114,6 @@ typedef struct { static Uint setup_rootset(Process*, Eterm*, int, Rootset*); static void cleanup_rootset(Rootset *rootset); -static void remove_message_buffers(Process* p); static Eterm *full_sweep_heaps(Process *p, int hibernate, Eterm *n_heap, Eterm* n_htop, @@ -153,7 +156,7 @@ static void init_gc_info(ErtsGCInfo *gcip); static Uint64 next_vheap_size(Process* p, Uint64 vheap, Uint64 vheap_sz); #ifdef HARDDEBUG -static void disallow_heap_frag_ref_in_heap(Process* p); +static void disallow_heap_frag_ref_in_heap(Process *p, Eterm *heap, Eterm *htop); static void disallow_heap_frag_ref_in_old_heap(Process* p); #endif @@ -489,24 +492,26 @@ delay_garbage_collection(Process *p, ErlHeapFragment *live_hf_end, int need, int hsz = ssz + need + ERTS_DELAY_GC_EXTRA_FREE; hfrag = new_message_buffer(hsz); - hfrag->next = p->mbuf; - p->mbuf = hfrag; - p->mbuf_sz += hsz; p->heap = p->htop = &hfrag->mem[0]; p->hend = hend = &hfrag->mem[hsz]; p->stop = stop = hend - ssz; sys_memcpy((void *) stop, (void *) orig_stop, ssz * sizeof(Eterm)); if (p->abandoned_heap) { - /* Active heap already in a fragment; adjust it... */ - ErlHeapFragment *hfrag = ((ErlHeapFragment *) - (((char *) orig_heap) - - offsetof(ErlHeapFragment, mem))); - Uint unused = orig_hend - orig_htop; - ASSERT(hfrag->used_size == hfrag->alloc_size); - ASSERT(hfrag->used_size >= unused); - hfrag->used_size -= unused; - p->mbuf_sz -= unused; + /* + * Active heap already in a fragment; adjust it and + * save it into mbuf list... + */ + ErlHeapFragment *hfrag = ((ErlHeapFragment *) + (((char *) orig_heap) + - offsetof(ErlHeapFragment, mem))); + Uint used = orig_htop - orig_heap; + hfrag->used_size = used; + p->mbuf_sz += used; + ASSERT(hfrag->used_size <= hfrag->alloc_size); + ASSERT(!hfrag->off_heap.first && !hfrag->off_heap.overhead); + hfrag->next = p->mbuf; + p->mbuf = hfrag; } else { /* Do not leave a hole in the abandoned heap... */ @@ -568,17 +573,14 @@ young_gen_usage(Process *p) } } + hsz += p->htop - p->heap; aheap = p->abandoned_heap; - if (!aheap) - hsz += p->htop - p->heap; - else { + if (aheap) { /* used in orig heap */ if (p->flags & F_ABANDONED_HEAP_USE) hsz += aheap[p->heap_sz-1]; else hsz += p->heap_sz; - /* Remove unused part in latest fragment */ - hsz -= p->hend - p->htop; } return hsz; } @@ -614,7 +616,7 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, Uint reclaimed_now = 0; Eterm gc_trace_end_tag; int reds; - ErtsMonotonicTime start_time = 0; /* Shut up faulty warning... */ + ErtsMonotonicTime start_time; ErtsSchedulerData *esdp; erts_aint32_t state; ERTS_MSACC_PUSH_STATE_M(); @@ -622,6 +624,7 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, DTRACE_CHARBUF(pidbuf, DTRACE_TERM_BUF_SIZE); #endif + ERTS_UNDEF(start_time, 0); ERTS_CHK_MBUF_SZ(p); ASSERT(CONTEXT_REDS - ERTS_REDS_LEFT(p, fcalls) @@ -788,6 +791,7 @@ do_major_collection: ASSERT(!p->mbuf); ASSERT(!ERTS_IS_GC_DESIRED(p)); + ASSERT(need <= HEAP_LIMIT(p) - HEAP_TOP(p)); return reds; } @@ -812,6 +816,7 @@ erts_garbage_collect(Process* p, int need, Eterm* objv, int nobj) >= erts_proc_sched_data(p)->virtual_reds); } + /* * Place all living data on a the new heap; deallocate any old heap. * Meant to be used by hibernate/3. @@ -858,11 +863,11 @@ erts_garbage_collect_hibernate(Process* p) p->arg_reg, p->arity); - ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, - (p->abandoned_heap - ? p->abandoned_heap - : p->heap), - p->heap_sz * sizeof(Eterm)); +#ifdef HARDDEBUG + disallow_heap_frag_ref_in_heap(p, heap, htop); +#endif + + erts_deallocate_young_generation(p); p->heap = heap; p->high_water = htop; @@ -897,8 +902,6 @@ erts_garbage_collect_hibernate(Process* p) sys_memcpy((void *) heap, (void *) p->heap, actual_size*sizeof(Eterm)); ERTS_HEAP_FREE(ERTS_ALC_T_TMP_HEAP, p->heap, p->heap_sz*sizeof(Eterm)); - remove_message_buffers(p); - p->stop = p->hend = heap + heap_size; offs = heap - p->heap; @@ -1517,22 +1520,16 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, } #endif - ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, - (p->abandoned_heap - ? p->abandoned_heap - : HEAP_START(p)), - HEAP_SIZE(p) * sizeof(Eterm)); - p->abandoned_heap = NULL; - p->flags &= ~F_ABANDONED_HEAP_USE; +#ifdef HARDDEBUG + disallow_heap_frag_ref_in_heap(p, n_heap, n_htop); +#endif + + erts_deallocate_young_generation(p); + HEAP_START(p) = n_heap; HEAP_TOP(p) = n_htop; HEAP_SIZE(p) = new_sz; HEAP_END(p) = n_heap + new_sz; - -#ifdef HARDDEBUG - disallow_heap_frag_ref_in_heap(p); -#endif - remove_message_buffers(p); } /* @@ -1621,13 +1618,12 @@ major_collection(Process* p, ErlHeapFragment *live_hf_end, } #endif - ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, - (p->abandoned_heap - ? p->abandoned_heap - : HEAP_START(p)), - p->heap_sz * sizeof(Eterm)); - p->abandoned_heap = NULL; - p->flags &= ~F_ABANDONED_HEAP_USE; +#ifdef HARDDEBUG + disallow_heap_frag_ref_in_heap(p, n_heap, n_htop); +#endif + + erts_deallocate_young_generation(p); + HEAP_START(p) = n_heap; HEAP_TOP(p) = n_htop; HEAP_SIZE(p) = new_sz; @@ -1636,11 +1632,6 @@ major_collection(Process* p, ErlHeapFragment *live_hf_end, HIGH_WATER(p) = HEAP_TOP(p); -#ifdef HARDDEBUG - disallow_heap_frag_ref_in_heap(p); -#endif - remove_message_buffers(p); - if (p->flags & F_ON_HEAP_MSGQ) move_msgq_to_heap(p); @@ -1793,22 +1784,56 @@ adjust_after_fullsweep(Process *p, int need, Eterm *objv, int nobj) return adjusted; } -/* - * Remove all message buffers. - */ -static void -remove_message_buffers(Process* p) +void +erts_deallocate_young_generation(Process *c_p) { - if (MBUF(p) != NULL) { - free_message_buffer(MBUF(p)); - MBUF(p) = NULL; + Eterm *orig_heap; + + if (!c_p->abandoned_heap) { + orig_heap = c_p->heap; + ASSERT(!(c_p->flags & F_ABANDONED_HEAP_USE)); + } + else { + ErlHeapFragment *hfrag; + + orig_heap = c_p->abandoned_heap; + c_p->abandoned_heap = NULL; + c_p->flags &= ~F_ABANDONED_HEAP_USE; + + /* + * Temporary heap located in heap fragment + * only referred to by 'c_p->heap'. Add it to + * 'c_p->mbuf' list and deallocate it as any + * other heap fragment... + */ + hfrag = ((ErlHeapFragment *) + (((char *) c_p->heap) + - offsetof(ErlHeapFragment, mem))); + + ASSERT(!hfrag->off_heap.first); + ASSERT(!hfrag->off_heap.overhead); + ASSERT(!hfrag->next); + ASSERT(c_p->htop - c_p->heap <= hfrag->alloc_size); + + hfrag->next = c_p->mbuf; + c_p->mbuf = hfrag; + } + + if (c_p->mbuf) { + free_message_buffer(c_p->mbuf); + c_p->mbuf = NULL; } - if (p->msg_frag) { - erts_cleanup_messages(p->msg_frag); - p->msg_frag = NULL; + if (c_p->msg_frag) { + erts_cleanup_messages(c_p->msg_frag); + c_p->msg_frag = NULL; } - MBUF_SIZE(p) = 0; + c_p->mbuf_sz = 0; + + ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, + orig_heap, + c_p->heap_sz * sizeof(Eterm)); } + #ifdef HARDDEBUG /* @@ -1820,19 +1845,15 @@ remove_message_buffers(Process* p) */ static void -disallow_heap_frag_ref_in_heap(Process* p) +disallow_heap_frag_ref_in_heap(Process *p, Eterm *heap, Eterm *htop) { Eterm* hp; - Eterm* htop; - Eterm* heap; Uint heap_size; if (p->mbuf == 0) { return; } - htop = p->htop; - heap = p->heap; heap_size = (htop - heap)*sizeof(Eterm); hp = heap; @@ -2741,7 +2762,7 @@ 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; @@ -3332,13 +3353,15 @@ within2(Eterm *ptr, Process *p, Eterm *real_htop) ErtsMessage* mp; Eterm *htop, *heap; - if (p->abandoned_heap) + if (p->abandoned_heap) { ERTS_GET_ORIG_HEAP(p, heap, htop); - else { - heap = p->heap; - htop = real_htop ? real_htop : HEAP_TOP(p); + if (heap <= ptr && ptr < htop) + return 1; } + heap = p->heap; + htop = real_htop ? real_htop : HEAP_TOP(p); + if (OLD_HEAP(p) && (OLD_HEAP(p) <= ptr && ptr < OLD_HEND(p))) { return 1; } @@ -3409,12 +3432,12 @@ 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; default: ASSERT(!"erts_check_off_heap2: Invalid thing_word"); diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h index 54ea9ca3c0..2521379664 100644 --- a/erts/emulator/beam/erl_gc.h +++ b/erts/emulator/beam/erl_gc.h @@ -27,10 +27,6 @@ #include "erl_map.h" -#if defined(DEBUG) && !ERTS_GLB_INLINE_INCL_FUNC_DEF -# define HARDDEBUG 1 -#endif - #define IS_MOVED_BOXED(x) (!is_header((x))) #define IS_MOVED_CONS(x) (is_non_value((x))) @@ -157,5 +153,6 @@ void erts_offset_heap(Eterm*, Uint, Sint, Eterm*, Eterm*); 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); #endif /* __ERL_GC_H__ */ diff --git a/erts/emulator/beam/erl_hl_timer.c b/erts/emulator/beam/erl_hl_timer.c index 38bebc7576..647fa26811 100644 --- a/erts/emulator/beam/erl_hl_timer.c +++ b/erts/emulator/beam/erl_hl_timer.c @@ -2865,7 +2865,8 @@ btm_print(ErtsHLTimer *tmr, void *vbtmp) if (tmr->timeout <= btmp->now) left = 0; - left = ERTS_CLKTCKS_TO_MSEC(tmr->timeout - btmp->now); + else + left = ERTS_CLKTCKS_TO_MSEC(tmr->timeout - btmp->now); receiver = ((tmr->head.roflgs & ERTS_TMR_ROFLG_REG_NAME) ? tmr->receiver.name diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 2fd97208cc..f65a06c85f 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -117,6 +117,11 @@ const int etp_big_endian = 1; const int etp_big_endian = 0; #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, @@ -2220,7 +2225,6 @@ 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 13a4b2cd93..5d4823c077 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -130,6 +130,7 @@ static erts_lc_lock_order_t erts_lock_order[] = { #ifdef ERTS_DIRTY_SCHEDULERS { "dirty_run_queue_sleep_list", "address" }, { "dirty_gc_info", NULL }, + { "dirty_break_point_index", NULL }, #endif { "process_table", NULL }, { "cpu_info", NULL }, diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index e4c696ae3b..019e079e67 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -172,7 +172,7 @@ 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; @@ -193,7 +193,7 @@ free_message_buffer(ErlHeapFragment* bp) erts_cleanup_offheap(&bp->off_heap); ERTS_HEAP_FREE(ERTS_ALC_T_HEAP_FRAG, (void *) bp, - ERTS_HEAP_FRAG_SIZE(bp->size)); + ERTS_HEAP_FRAG_SIZE(bp->alloc_size)); bp = next_bp; }while (bp != NULL); } diff --git a/erts/emulator/beam/erl_monitors.c b/erts/emulator/beam/erl_monitors.c index 910598690d..c207dea10f 100644 --- a/erts/emulator/beam/erl_monitors.c +++ b/erts/emulator/beam/erl_monitors.c @@ -104,7 +104,7 @@ do { \ (*((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) diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 6b265a8b80..4fa15a8dd8 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -690,7 +690,7 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, Uint sz = size_object(msg); ErlOffHeap *ohp; Eterm *hp; - 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); @@ -3561,8 +3561,8 @@ Eterm erts_nif_call_function(Process *p, Process *tracee, #endif if (p) { /* This is almost a normal nif call like in beam_emu, - except that any heap fragment created in the nif will be - discarded without checking if anything in it is live. + except that any heap consumed by the nif will be + released without checking if anything in it is live. This is because we cannot do a GC here as we don't know the number of live registers that have to be preserved. This means that any heap part of the returned term may diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c index 70500ed6e1..467a05f950 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; @@ -1623,7 +1623,7 @@ 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 +1684,7 @@ 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_process.c b/erts/emulator/beam/erl_process.c index cd0a2b2a21..485949c84a 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -8642,8 +8642,15 @@ pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, * from being selected for normal execution regardless * of locks held or not held on it... */ - ASSERT(!((ERTS_PSFLG_RUNNING|ERTS_PSFLG_DIRTY_RUNNING_SYS) - & erts_smp_atomic32_read_nob(&rp->state))); +#ifdef DEBUG + { + erts_aint32_t state; + state = erts_smp_atomic32_read_nob(&rp->state); + ASSERT((state & ERTS_PSFLG_PENDING_EXIT) + || !(state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS))); + } +#endif if (!suspend) resume_process(rp, pid_locks|ERTS_PROC_LOCK_STATUS); @@ -9640,7 +9647,8 @@ 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 @@ -10063,8 +10071,8 @@ 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) { @@ -10075,6 +10083,7 @@ 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 { @@ -11962,7 +11971,6 @@ erts_cleanup_empty_process(Process* p) static void delete_process(Process* p) { - Eterm *heap; ErtsPSD *psd; struct saved_calls *scb; process_breakpoint_time_t *pbt; @@ -12017,13 +12025,8 @@ delete_process(Process* p) hipe_delete_process(&p->hipe); #endif - heap = p->abandoned_heap ? p->abandoned_heap : p->heap; - -#ifdef DEBUG - sys_memset(heap, DEBUG_BAD_BYTE, p->heap_sz*sizeof(Eterm)); -#endif + erts_deallocate_young_generation(p); - ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, (void*) heap, p->heap_sz*sizeof(Eterm)); if (p->old_heap != NULL) { #ifdef DEBUG @@ -12035,16 +12038,6 @@ delete_process(Process* p) (p->old_hend-p->old_heap)*sizeof(Eterm)); } - /* - * Free all pending message buffers. - */ - if (p->mbuf != NULL) { - free_message_buffer(p->mbuf); - } - - if (p->msg_frag) - erts_cleanup_messages(p->msg_frag); - erts_erase_dicts(p); /* free all pending messages */ diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index d8bb00e8c6..4a74cc2b82 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -90,9 +90,12 @@ Uint erts_process_memory(Process *p, int incl_msg_inq) { erts_doforall_links(ERTS_P_LINKS(p), &erts_one_link_size, &size); erts_doforall_monitors(ERTS_P_MONITORS(p), &erts_one_mon_size, &size); size += (p->heap_sz + p->mbuf_sz) * sizeof(Eterm); + if (p->abandoned_heap) + size += (p->hend - p->heap) * sizeof(Eterm); if (p->old_hend && p->old_heap) size += (p->old_hend - p->old_heap) * sizeof(Eterm); + size += p->msg.len * sizeof(ErtsMessage); for (mp = p->msg.first; mp; mp = mp->next) @@ -443,7 +446,7 @@ 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_trace.c b/erts/emulator/beam/erl_trace.c index 8c84303997..ac9e91e31f 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -1436,6 +1436,7 @@ void trace_gc(Process *p, Eterm what, Uint size, Eterm msg) { ErtsTracerNif *tnif = NULL; + Eterm* o_hp = NULL; Eterm* hp; Uint sz = 0; Eterm tup; @@ -1446,7 +1447,7 @@ trace_gc(Process *p, Eterm what, Uint size, Eterm msg) if (is_non_value(msg)) { (void) erts_process_gc_info(p, &sz, NULL, 0, 0); - hp = HAlloc(p, sz + 3 + 2); + o_hp = hp = erts_alloc(ERTS_ALC_T_TMP, (sz + 3 + 2) * sizeof(Eterm)); msg = erts_process_gc_info(p, NULL, &hp, 0, 0); tup = TUPLE2(hp, am_wordsize, make_small(size)); hp += 3; @@ -1455,6 +1456,8 @@ trace_gc(Process *p, Eterm what, Uint size, Eterm msg) send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_GC, what, msg, THE_NON_VALUE, am_true); + if (o_hp) + erts_free(ERTS_ALC_T_TMP, o_hp); } } diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index f97716d030..899e2a275a 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/export.c b/erts/emulator/beam/export.c index 7f043e191b..00fa452f79 100644 --- a/erts/emulator/beam/export.c +++ b/erts/emulator/beam/export.c @@ -348,7 +348,7 @@ Export *export_list(int i, ErtsCodeIndex code_ix) int export_list_size(ErtsCodeIndex code_ix) { - return export_tables[code_ix].entries; + return erts_index_num_entries(&export_tables[code_ix]); } int export_table_sz(void) diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index beed847578..0ef8114bac 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; @@ -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) @@ -1485,7 +1496,7 @@ 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; diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index d6df85034c..26aa39b65a 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -127,7 +127,7 @@ 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 */ diff --git a/erts/emulator/beam/index.c b/erts/emulator/beam/index.c index c86a2122f6..cd834e2c12 100644 --- a/erts/emulator/beam/index.c +++ b/erts/emulator/beam/index.c @@ -91,9 +91,16 @@ index_put_entry(IndexTable* t, void* tmpl) t->seg_table[ix>>INDEX_PAGE_SHIFT] = erts_alloc(t->type, sz); t->size += INDEX_PAGE_SIZE; } - t->entries++; p->index = ix; t->seg_table[ix>>INDEX_PAGE_SHIFT][ix&INDEX_PAGE_MASK] = p; + + /* + * Do a write barrier here to allow readers to do lock free iteration. + * erts_index_num_entries() does matching read barrier. + */ + ERTS_SMP_WRITE_MEMORY_BARRIER; + t->entries++; + return p; } diff --git a/erts/emulator/beam/index.h b/erts/emulator/beam/index.h index b2e3c0eab5..10f5d1eb39 100644 --- a/erts/emulator/beam/index.h +++ b/erts/emulator/beam/index.h @@ -65,6 +65,7 @@ void index_erase_latest_from(IndexTable*, Uint ix); ERTS_GLB_INLINE int index_put(IndexTable*, void*); ERTS_GLB_INLINE IndexSlot* erts_index_lookup(IndexTable*, Uint); +ERTS_GLB_INLINE int erts_index_num_entries(IndexTable* t); #if ERTS_GLB_INLINE_INCL_FUNC_DEF @@ -78,6 +79,19 @@ erts_index_lookup(IndexTable* t, Uint ix) { return t->seg_table[ix>>INDEX_PAGE_SHIFT][ix&INDEX_PAGE_MASK]; } + +ERTS_GLB_INLINE int erts_index_num_entries(IndexTable* t) +{ + int ret = t->entries; + /* + * Do a read barrier here to allow lock free iteration + * on tables where entries are never erased. + * index_put_entry() does matching write barrier. + */ + ERTS_SMP_READ_MEMORY_BARRIER; + return ret; +} + #endif #endif diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 4f131c74de..31396d06c6 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -6890,12 +6890,6 @@ 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... */ @@ -6938,26 +6932,15 @@ 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); @@ -6971,14 +6954,8 @@ 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) diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 7740dd4373..79ec34e717 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -859,9 +859,12 @@ 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 */ @@ -894,7 +897,7 @@ 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); @@ -913,27 +916,27 @@ 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_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, @@ -947,20 +950,20 @@ 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, @@ -974,20 +977,20 @@ 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, @@ -999,6 +1002,112 @@ 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_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_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 87ea4f05a1..7f7e38c22a 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -3842,7 +3842,7 @@ store_external_or_ref_(Uint **hpp, ErlOffHeap* oh, Eterm ns) for(i = 0; i < size; i++) to_hp[i] = from_hp[i]; - erts_refc_inc(&((ExternalThing *) to_hp)->node->refc, 2); + erts_smp_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; diff --git a/erts/emulator/drivers/unix/unix_efile.c b/erts/emulator/drivers/unix/unix_efile.c index bfe0807df8..3ff68a8859 100644 --- a/erts/emulator/drivers/unix/unix_efile.c +++ b/erts/emulator/drivers/unix/unix_efile.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1997-2016. All Rights Reserved. + * Copyright Ericsson AB 1997-2017. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -79,11 +79,10 @@ * Macros for testing file types. */ -#define ISDIR(st) (((st).st_mode & S_IFMT) == S_IFDIR) -#define ISREG(st) (((st).st_mode & S_IFMT) == S_IFREG) -#define ISDEV(st) \ - (((st).st_mode&S_IFMT) == S_IFCHR || ((st).st_mode&S_IFMT) == S_IFBLK) -#define ISLNK(st) (((st).st_mode & S_IFLNK) == S_IFLNK) +#define ISDIR(st) (S_ISDIR((st).st_mode)) +#define ISREG(st) (S_ISREG((st).st_mode)) +#define ISDEV(st) (S_ISCHR((st).st_mode) || S_ISBLK((st).st_mode)) +#define ISLNK(st) (S_ISLNK((st).st_mode)) #ifdef NO_UMASK #define FILE_MODE 0644 #define DIR_MODE 0755 @@ -366,33 +365,6 @@ efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ int fd; int mode; /* Open mode. */ - if (stat(name, &statbuf) < 0) { - /* statbuf is undefined: if the caller depends on it, - i.e. invoke_read_file(), fail the call immediately */ - if (pSize && flags == EFILE_MODE_READ) - return check_error(-1, errInfo); - } else if (!ISREG(statbuf)) { - /* - * For UNIX only, here is some ugly code to allow - * /dev/null to be opened as a file. - * - * Assumption: The i-node number for /dev/null cannot be zero. - */ - static ino_t dev_null_ino = 0; - - if (dev_null_ino == 0) { - struct stat nullstatbuf; - - if (stat("/dev/null", &nullstatbuf) >= 0) { - dev_null_ino = nullstatbuf.st_ino; - } - } - if (!(dev_null_ino && statbuf.st_ino == dev_null_ino)) { - errno = EISDIR; - return check_error(-1, errInfo); - } - } - switch (flags & (EFILE_MODE_READ|EFILE_MODE_WRITE)) { case EFILE_MODE_READ: mode = O_RDONLY; @@ -411,16 +383,13 @@ efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ return check_error(-1, errInfo); } - if (flags & EFILE_MODE_APPEND) { mode &= ~O_TRUNC; mode |= O_APPEND; } - if (flags & EFILE_MODE_EXCL) { mode |= O_EXCL; } - if (flags & EFILE_MODE_SYNC) { #ifdef O_SYNC mode |= O_SYNC; @@ -430,15 +399,49 @@ efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ #endif } - fd = open(name, mode, FILE_MODE); +#ifdef HAVE_FSTAT + while (((fd = open(name, mode, FILE_MODE)) < 0) && (errno == EINTR)); + if (!check_error(fd, errInfo)) return 0; +#endif + + if ( +#ifdef HAVE_FSTAT + fstat(fd, &statbuf) < 0 +#else + stat(name, &statbuf) < 0 +#endif + ) { + /* statbuf is undefined: if the caller depends on it, + i.e. invoke_read_file(), fail the call immediately */ + if (pSize && flags == EFILE_MODE_READ) { + check_error(-1, errInfo); +#ifdef HAVE_FSTAT + efile_closefile(fd); +#endif + return 0; + } + } + else if (! ISREG(statbuf)) { + struct stat nullstatbuf; + /* + * For UNIX only, here is some ugly code to allow + * /dev/null to be opened as a file. + */ + if ( (stat("/dev/null", &nullstatbuf) < 0) + || (statbuf.st_ino != nullstatbuf.st_ino) + || (statbuf.st_dev != nullstatbuf.st_dev) ) { + errno = EISDIR; + return check_error(-1, errInfo); + } + } - if (!check_error(fd, errInfo)) - return 0; +#ifndef HAVE_FSTAT + while (((fd = open(name, mode, FILE_MODE)) < 0) && (errno == EINTR)); + if (!check_error(fd, errInfo)) return 0; +#endif *pfd = fd; - if (pSize) { - *pSize = statbuf.st_size; - } + if (pSize) *pSize = statbuf.st_size; return 1; } @@ -460,7 +463,7 @@ efile_may_openfile(Efile_error* errInfo, char *name) { void efile_closefile(int fd) { - close(fd); + while((close(fd) < 0) && (errno == EINTR)); } int diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c index dcb6c35bfa..165f33eecd 100644 --- a/erts/emulator/hipe/hipe_bif0.c +++ b/erts/emulator/hipe/hipe_bif0.c @@ -992,7 +992,7 @@ BIF_RETTYPE hipe_bifs_set_native_address_in_fe_2(BIF_ALIST_2) BIF_ERROR(BIF_P, BADARG); fe->native_address = native_address; - if (erts_refc_dectest(&fe->refc, 0) == 0) + if (erts_smp_refc_dectest(&fe->refc, 0) == 0) erts_erase_fun_entry(fe); BIF_RET(am_true); } diff --git a/erts/emulator/hipe/hipe_native_bif.c b/erts/emulator/hipe/hipe_native_bif.c index 9c03b3811c..a2165958a9 100644 --- a/erts/emulator/hipe/hipe_native_bif.c +++ b/erts/emulator/hipe/hipe_native_bif.c @@ -226,11 +226,6 @@ void hipe_handle_exception(Process *c_p) ASSERT(c_p->freason != TRAP); /* Should have been handled earlier. */ - if (c_p->mbuf) { - erts_printf("%s line %u: p==%p, p->mbuf==%p\n", __FUNCTION__, __LINE__, c_p, c_p->mbuf); - /* erts_garbage_collect(c_p, 0, NULL, 0); */ - } - /* * Check if we have an arglist for the top level call. If so, this * is encoded in Value, so we have to dig out the real Value as well @@ -259,11 +254,6 @@ void hipe_handle_exception(Process *c_p) /* Synthesized to avoid having to generate code for it. */ c_p->def_arg_reg[0] = exception_tag[GET_EXC_CLASS(c_p->freason)]; - if (c_p->mbuf) { - /* erts_printf("%s line %u: p==%p, p->mbuf==%p, p->lastbif==%p\n", __FUNCTION__, __LINE__, c_p, c_p->mbuf, c_p->hipe.lastbif); */ - erts_garbage_collect(c_p, 0, NULL, 0); - } - hipe_find_handler(c_p); } @@ -331,7 +321,7 @@ char *hipe_bs_allocate(int len) Binary *bptr; bptr = erts_bin_nrml_alloc(len); - erts_smp_atomic_init_nob(&bptr->refc, 1); + erts_refc_init(&bptr->refc, 1); return bptr->orig_bytes; } diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 2fc802a2c6..e135dbff99 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -119,9 +119,8 @@ erts_smp_atomic_t sys_misc_mem_sz; static void smp_sig_notify(char c); static int sig_notify_fds[2] = {-1, -1}; -#if !defined(ETHR_UNUSABLE_SIGUSRX) && defined(ERTS_THR_HAVE_SIG_FUNCS) +#ifdef ERTS_SYS_SUSPEND_SIGNAL static int sig_suspend_fds[2] = {-1, -1}; -#define ERTS_SYS_SUSPEND_SIGNAL SIGUSR2 #endif #endif diff --git a/erts/emulator/test/guard_SUITE.erl b/erts/emulator/test/guard_SUITE.erl index e155e5f49f..54ee710363 100644 --- a/erts/emulator/test/guard_SUITE.erl +++ b/erts/emulator/test/guard_SUITE.erl @@ -317,6 +317,7 @@ guard_bifs(Config) when is_list(Config) -> try_gbif('float/1', Big, float(id(Big))), try_gbif('trunc/1', Float, 387924.0), try_gbif('round/1', Float, 387925.0), + try_gbif('round/1', 6209607916799025.0, 6209607916799025), try_gbif('length/1', [], 0), try_gbif('length/1', [a], 1), diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl index d1c9648017..bb85738454 100644 --- a/erts/emulator/test/num_bif_SUITE.erl +++ b/erts/emulator/test/num_bif_SUITE.erl @@ -293,6 +293,9 @@ t_round(Config) when is_list(Config) -> 4294967297 = round(id(4294967296.9)), -4294967296 = -round(id(4294967296.1)), -4294967297 = -round(id(4294967296.9)), + + 6209607916799025 = round(id(6209607916799025.0)), + -6209607916799025 = round(id(-6209607916799025.0)), ok. t_trunc(Config) when is_list(Config) -> diff --git a/erts/emulator/test/port_trace_SUITE_data/echo_drv.c b/erts/emulator/test/port_trace_SUITE_data/echo_drv.c index b545523192..20ec33a594 100644 --- a/erts/emulator/test/port_trace_SUITE_data/echo_drv.c +++ b/erts/emulator/test/port_trace_SUITE_data/echo_drv.c @@ -2,23 +2,30 @@ #include "erl_driver.h" #include <errno.h> #include <string.h> +#include <assert.h> /* ------------------------------------------------------------------------- ** Data types **/ +struct my_thread { + struct my_thread* next; + ErlDrvTid tid; +}; typedef struct _erl_drv_data { ErlDrvPort erlang_port; ErlDrvTermData caller; + struct my_thread* threads; } EchoDrvData; struct remote_send_term { - char *buf; - int len; + struct my_thread thread; ErlDrvTermData port; ErlDrvTermData caller; + int len; + char buf[1]; /* buf[len] */ }; #define ECHO_DRV_NOOP 0 @@ -86,7 +93,7 @@ static ErlDrvEntry echo_drv_entry = { NULL }; -static void send_term_thread(void *); +static void* send_term_thread(void *); /* ------------------------------------------------------------------------- ** Entry functions @@ -111,10 +118,22 @@ static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command) EchoDrvData *echo_drv_data_p = driver_alloc(sizeof(EchoDrvData)); echo_drv_data_p->erlang_port = port; echo_drv_data_p->caller = driver_caller(port); + echo_drv_data_p->threads = NULL; return echo_drv_data_p; } -static void echo_drv_stop(EchoDrvData *data_p) { +static void echo_drv_stop(EchoDrvData *data_p) +{ + struct my_thread* thr = data_p->threads; + + while (thr) { + struct my_thread* next = thr->next; + void* exit_value; + int ret = erl_drv_thread_join(thr->tid, &exit_value); + assert(ret == 0 && exit_value == NULL); + driver_free(thr); + thr = next; + } driver_free(data_p); } @@ -212,14 +231,14 @@ static void echo_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len) { } case ECHO_DRV_REMOTE_SEND_TERM: { - ErlDrvTid tid; - struct remote_send_term *t = malloc(sizeof(struct remote_send_term)); + struct remote_send_term *t = driver_alloc(sizeof(struct remote_send_term) + len); t->len = len-1; - t->buf = malloc(len-1); t->port = driver_mk_port(port); t->caller = data_p->caller; memcpy(t->buf, buf+1, t->len); - erl_drv_thread_create("tmp_thread", &tid, send_term_thread, t, NULL); + erl_drv_thread_create("tmp_thread", &t->thread.tid, send_term_thread, t, NULL); + t->thread.next = data_p->threads; + data_p->threads = &t->thread; break; } case ECHO_DRV_SAVE_CALLER: @@ -262,7 +281,7 @@ static ErlDrvSSizeT echo_drv_call(ErlDrvData drv_data, return len-command; } -static void send_term_thread(void *a) +static void* send_term_thread(void *a) { struct remote_send_term *t = (struct remote_send_term*)a; ErlDrvTermData term[] = { @@ -273,5 +292,5 @@ static void send_term_thread(void *a) ERL_DRV_TUPLE, 3}; erl_drv_send_term(t->port, t->caller, term, sizeof(term) / sizeof(ErlDrvTermData)); - return; + return NULL; } diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl index 2289cbabc7..0a6eb7ffac 100644 --- a/erts/emulator/test/process_SUITE.erl +++ b/erts/emulator/test/process_SUITE.erl @@ -1622,6 +1622,7 @@ spawn_initial_hangarounds(_Cleaner, NP, Max, Len, HAs) when NP > Max -> {Len, HAs}; spawn_initial_hangarounds(Cleaner, NP, Max, Len, HAs) -> Skip = 30, + wait_for_proc_slots(Skip+3), HA1 = spawn_opt(?MODULE, hangaround, [Cleaner, initial_hangaround], [{priority, low}]), HA2 = spawn_opt(?MODULE, hangaround, [Cleaner, initial_hangaround], @@ -1631,6 +1632,15 @@ spawn_initial_hangarounds(Cleaner, NP, Max, Len, HAs) -> spawn_drop(Skip), spawn_initial_hangarounds(Cleaner, NP+Skip, Max, Len+3, [HA1,HA2,HA3|HAs]). +wait_for_proc_slots(MinFreeSlots) -> + case erlang:system_info(process_limit) - erlang:system_info(process_count) of + FreeSlots when FreeSlots < MinFreeSlots -> + receive after 10 -> ok end, + wait_for_proc_slots(MinFreeSlots); + _FreeSlots -> + ok + end. + spawn_drop(N) when N =< 0 -> ok; spawn_drop(N) -> diff --git a/erts/lib_src/common/ethr_aux.c b/erts/lib_src/common/ethr_aux.c index 420efd725f..3501fe335a 100644 --- a/erts/lib_src/common/ethr_aux.c +++ b/erts/lib_src/common/ethr_aux.c @@ -220,7 +220,7 @@ ethr_init_common__(ethr_init_data *id) ethr_min_stack_size__ += ethr_pagesize__; #endif /* The system may think that we need more stack */ -#if defined(PTHREAD_STACK_MIN) +#if defined(ETHR_HAVE_USABLE_PTHREAD_STACK_MIN) if (ethr_min_stack_size__ < PTHREAD_STACK_MIN) ethr_min_stack_size__ = PTHREAD_STACK_MIN; #elif defined(_SC_THREAD_STACK_MIN) diff --git a/erts/test/install_SUITE.erl b/erts/test/install_SUITE.erl index 2c7e8972f6..f96dca9563 100644 --- a/erts/test/install_SUITE.erl +++ b/erts/test/install_SUITE.erl @@ -18,7 +18,6 @@ %% %CopyrightEnd% %% - %%%------------------------------------------------------------------- %%% File : install_SUITE.erl %%% Author : Rickard Green @@ -63,12 +62,12 @@ erlang_bindir = "", bindir_symlinks = ""}). -need_symlink_cases() -> +need_symlink_cases() -> [bin_unreachable_absolute, bin_unreachable_relative, bin_same_dir, bin_ok_symlink, bin_dirname_fail, bin_no_use_dirname_fail]. -dont_need_symlink_cases() -> +dont_need_symlink_cases() -> [bin_default, bin_default_dirty, bin_outside_eprfx, bin_outside_eprfx_dirty, bin_not_abs, bin_unreasonable_path, 'bin white space', @@ -78,10 +77,9 @@ suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap, {minutes, 1}}]. -all() -> +all() -> dont_need_symlink_cases() ++ need_symlink_cases(). - %% %% The test cases %% @@ -533,21 +531,19 @@ bin_no_srcfile(Config) when is_list(Config) -> ChkRes). %% -%% %% Auxiliary functions %% -%% expect(X, X) -> - io:format("result: ~p~n", [X]), + io:format("result: ~tp~n", [X]), io:format("-----------------------------------------------~n", []), ok; expect(X, Y) -> - io:format("expected: ~p~n", [X]), - io:format("got : ~p~n", [Y]), + io:format("expected: ~tp~n", [X]), + io:format("got : ~tp~n", [Y]), io:format("-----------------------------------------------~n", []), ct:fail({X,Y}). - + init_per_suite(Config) -> PD = proplists:get_value(priv_dir, Config), SymLinks = case os:type() of @@ -630,8 +626,8 @@ install_bin(Config, #inst{mkdirs = MkDirs, true -> ok; false -> {comment, "No symlink tests run, since symlinks not working"} end. - - + + install_bin2(Config, Inst, ChkRes) -> install_bin3(Config, Inst#inst{symlinks = false, ln_s = "ln"}, ChkRes), @@ -662,8 +658,6 @@ install_bin2(Config, Inst, ChkRes) -> false -> ok end. - - install_bin3(Config, #inst{cmd_prefix = CMD_PRFX, @@ -690,20 +684,20 @@ install_bin3(Config, ++ "\" --exec-prefix \"" ++ EXEC_PREFIX ++ "\" --test-file \"" ++ ResFile ++ "\" erl erlc", - io:format("CMD_PRFX = \"~s\"~n" - "LN_S = \"~s\"~n" - "BINDIR_SYMLINKS = \"~s\"~n" - "exec_prefix = \"~s\"~n" - "bindir = \"~s\"~n" - "erlang_bindir = \"~s\"~n" - "EXTRA_PREFIX = \"~s\"~n" - "DESTDIR = \"~s\"~n", + io:format("CMD_PRFX = \"~ts\"~n" + "LN_S = \"~ts\"~n" + "BINDIR_SYMLINKS = \"~ts\"~n" + "exec_prefix = \"~ts\"~n" + "bindir = \"~ts\"~n" + "erlang_bindir = \"~ts\"~n" + "EXTRA_PREFIX = \"~ts\"~n" + "DESTDIR = \"~ts\"~n", [CMD_PRFX, LN_S, BINDIR_SYMLINKS, EXEC_PREFIX, BINDIR, ERLANG_BINDIR, EXTRA_PREFIX, DESTDIR]), - io:format("$ ~s~n", [Cmd]), + io:format("$ ~ts~n", [Cmd]), CmdOutput = os:cmd(Cmd), - io:format("~s~n", [CmdOutput]), + io:format("~ts~n", [CmdOutput]), ChkRes(case file:consult(ResFile) of {ok, [Res]} -> Res; Err -> exit({result, Err}) diff --git a/erts/test/system_smoke.spec b/erts/test/system_smoke.spec index 933d1ba22d..99092c1dab 100644 --- a/erts/test/system_smoke.spec +++ b/erts/test/system_smoke.spec @@ -1,3 +1,8 @@ {suites,"../system_test",[ethread_SUITE]}. -{cases,"../system_test",otp_SUITE,[undefined_functions]}. +{cases,"../system_test",otp_SUITE, + [undefined_functions, + deprecated_not_in_obsolete, + obsolete_but_not_deprecated, + call_to_size_1, + call_to_now_0]}. {skip_cases,"../system_test",ethread_SUITE,[max_threads],"Skip"}. diff --git a/erts/vsn.mk b/erts/vsn.mk index af0be85062..a0a991f5a9 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -18,7 +18,7 @@ # %CopyrightEnd% # -VSN = 8.2 +VSN = 8.2.2 # Port number 4365 in 4.2 # Port number 4366 in 4.3 |