diff options
Diffstat (limited to 'erts')
61 files changed, 1241 insertions, 542 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.xml b/erts/doc/src/erl.xml index f2a55f6298..8da832ac37 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -1595,6 +1595,25 @@ </section> <section> + <marker id="signals"></marker> + <title>Signals</title> + <p>On Unix systems, the Erlang runtime will interpret two types of signals.</p> + <taglist> + <tag><c>SIGUSR1</c></tag> + <item> + <p>A <c>SIGUSR1</c> signal forces a crash dump.</p> + </item> + <tag><c>SIGTERM</c></tag> + <item> + <p>A <c>SIGTERM</c> will produce a <c>stop</c> message to the <c>init</c> process. + This is equivalent to a <c>init:stop/0</c> call.</p> + <p>Introduced in ERTS 8.3 (Erlang/OTP 19.3)</p> + </item> + </taglist> + <p>The signal <c>SIGUSR2</c> is reserved for internal usage. No other signals are handled.</p> + </section> + + <section> <marker id="configuration"></marker> <title>Configuration</title> <p>The standard Erlang/OTP system can be reconfigured to change the default 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/erlang.xml b/erts/doc/src/erlang.xml index 9646953518..112682d713 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -4899,7 +4899,9 @@ RealSystem = system + MissedSystem</code> <p>Returns the current call stack back-trace (<em>stacktrace</em>) of the process. The stack has the same format as returned by <seealso marker="#get_stacktrace/0"> - <c>erlang:get_stacktrace/0</c></seealso>.</p> + <c>erlang:get_stacktrace/0</c></seealso>. The depth of the + stacktrace is truncated according to the <c>backtrace_depth</c> + system flag setting.</p> </item> <tag><c>{dictionary, <anno>Dictionary</anno>}</c></tag> <item> @@ -6611,7 +6613,9 @@ ok <fsummary>Set system flag <c>backtrace_depth</c>.</fsummary> <desc> <p>Sets the maximum depth of call stack back-traces in the - exit reason element of <c>'EXIT'</c> tuples.</p> + exit reason element of <c>'EXIT'</c> tuples. The flag + also limits the stacktrace depth returned by <c>process_info</c> + item <c>current_stacktrace.</c></p> <p>Returns the old value of the flag.</p> </desc> </func> diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 1d3b198f1b..ae1d2b1d93 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -61,7 +61,6 @@ </section> <section><title>Erts 8.2.1</title> - <section><title>Fixed Bugs and Malfunctions</title> <list> <item> @@ -193,13 +192,6 @@ <p> Own Id: OTP-14051</p> </item> - <item> - <p> - Fixed a number of bugs that caused faulty stack-traces to - be created on exception when a process was traced.</p> - <p> - Own Id: OTP-14055</p> - </item> </list> </section> diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index dbff005325..7f5e9ff691 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -658,7 +658,7 @@ BIF_RETTYPE delete_module_1(BIF_ALIST_1) } else if (modp->old.code_hdr) { erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); - erts_dsprintf(dsbufp, "Module %T must be purged before loading\n", + erts_dsprintf(dsbufp, "Module %T must be purged before deleting\n", BIF_ARG_1); erts_send_error_to_logger(BIF_P->group_leader, dsbufp); ERTS_BIF_PREP_ERROR(res, BIF_P, BADARG); @@ -997,6 +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; @@ -1297,6 +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; 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 59a9ea1417..1c83d8f02e 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -1047,9 +1047,11 @@ static BeamInstr* handle_error(Process* c_p, BeamInstr* pc, Eterm* reg, BifFunction bf) NOINLINE; static BeamInstr* call_error_handler(Process* p, BeamInstr* ip, Eterm* reg, Eterm func) NOINLINE; -static BeamInstr* fixed_apply(Process* p, Eterm* reg, Uint arity) NOINLINE; +static BeamInstr* fixed_apply(Process* p, Eterm* reg, Uint arity, + BeamInstr *I, Uint offs) NOINLINE; static BeamInstr* apply(Process* p, Eterm module, Eterm function, - Eterm args, Eterm* reg) NOINLINE; + Eterm args, Eterm* reg, + BeamInstr *I, Uint offs) NOINLINE; static BeamInstr* call_fun(Process* p, int arity, Eterm* reg, Eterm args) NOINLINE; static BeamInstr* apply_fun(Process* p, Eterm fun, @@ -3194,7 +3196,7 @@ do { \ OpCase(i_apply): { BeamInstr *next; HEAVY_SWAPOUT; - next = apply(c_p, r(0), x(1), x(2), reg); + next = apply(c_p, r(0), x(1), x(2), reg, NULL, 0); HEAVY_SWAPIN; if (next != NULL) { SET_CP(c_p, I+1); @@ -3208,7 +3210,7 @@ do { \ OpCase(i_apply_last_P): { BeamInstr *next; HEAVY_SWAPOUT; - next = apply(c_p, r(0), x(1), x(2), reg); + next = apply(c_p, r(0), x(1), x(2), reg, I, Arg(0)); HEAVY_SWAPIN; if (next != NULL) { SET_CP(c_p, (BeamInstr *) E[0]); @@ -3223,7 +3225,7 @@ do { \ OpCase(i_apply_only): { BeamInstr *next; HEAVY_SWAPOUT; - next = apply(c_p, r(0), x(1), x(2), reg); + next = apply(c_p, r(0), x(1), x(2), reg, I, 0); HEAVY_SWAPIN; if (next != NULL) { SET_I(next); @@ -3237,7 +3239,7 @@ do { \ BeamInstr *next; HEAVY_SWAPOUT; - next = fixed_apply(c_p, reg, Arg(0)); + next = fixed_apply(c_p, reg, Arg(0), NULL, 0); HEAVY_SWAPIN; if (next != NULL) { SET_CP(c_p, I+2); @@ -3252,7 +3254,7 @@ do { \ BeamInstr *next; HEAVY_SWAPOUT; - next = fixed_apply(c_p, reg, Arg(0)); + next = fixed_apply(c_p, reg, Arg(0), I, Arg(1)); HEAVY_SWAPIN; if (next != NULL) { SET_CP(c_p, (BeamInstr *) E[0]); @@ -3550,18 +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); @@ -5844,12 +5839,13 @@ save_stacktrace(Process* c_p, BeamInstr* pc, Eterm* reg, BifFunction bf, s->depth = 0; /* - * If the failure was in a BIF other than 'error', 'exit' or - * 'throw', find the bif-table index and save the argument - * registers by consing up an arglist. + * If the failure was in a BIF other than 'error/1', 'error/2', + * 'exit/1' or 'throw/1', find the bif-table index and save the + * argument registers by consing up an arglist. */ - if (bf != NULL && bf != error_1 && bf != error_2 && - bf != exit_1 && bf != throw_1) { + if (bf != NULL && bf != error_1 && bf != error_2 && bf != exit_1 + && bf != throw_1 && bf != wrap_error_1 && bf != wrap_error_2 + && bf != wrap_exit_1 && bf != wrap_throw_1) { int i; int a = 0; for (i = 0; i < BIF_SIZE; i++) { @@ -5945,12 +5941,30 @@ erts_save_stacktrace(Process* p, struct StackTrace* s, int depth) p->cp) { /* Cannot follow cp here - code may be unloaded */ BeamInstr *cpp = p->cp; + int trace_cp; if (cpp == beam_exception_trace || cpp == beam_return_trace) { /* Skip return_trace parameters */ ptr += 2; + trace_cp = 1; } else if (cpp == beam_return_to_trace) { /* Skip return_to_trace parameters */ ptr += 1; + trace_cp = 1; + } + else { + trace_cp = 0; + } + if (trace_cp && s->pc == cpp) { + /* + * If process 'cp' points to a return/exception trace + * instruction and 'cp' has been saved as 'pc' in + * stacktrace, we need to update 'pc' in stacktrace + * with the actual 'cp' located on the top of the + * stack; otherwise, we will lose the top stackframe + * when building the stack trace. + */ + ASSERT(is_CP(p->stop[0])); + s->pc = cp_val(p->stop[0]); } } while (ptr < STACK_START(p) && depth > 0) { @@ -6070,12 +6084,15 @@ build_stacktrace(Process* c_p, Eterm exc) { erts_set_current_function(&fi, s->current); } + depth = s->depth; /* - * If fi.current is still NULL, default to the initial function + * If fi.current is still NULL, and we have no + * stack at all, default to the initial function * (e.g. spawn_link(erlang, abs, [1])). */ if (fi.current == NULL) { - erts_set_current_function(&fi, c_p->u.initial); + if (depth <= 0) + erts_set_current_function(&fi, c_p->u.initial); args = am_true; /* Just in case */ } else { args = get_args_from_exc(exc); @@ -6085,10 +6102,9 @@ build_stacktrace(Process* c_p, Eterm exc) { * Look up all saved continuation pointers and calculate * needed heap space. */ - depth = s->depth; stk = stkp = (FunctionInfo *) erts_alloc(ERTS_ALC_T_TMP, depth*sizeof(FunctionInfo)); - heap_size = fi.needed + 2; + heap_size = fi.current ? fi.needed + 2 : 0; for (i = 0; i < depth; i++) { erts_lookup_function_info(stkp, s->trace[i], 1); if (stkp->current) { @@ -6107,8 +6123,10 @@ build_stacktrace(Process* c_p, Eterm exc) { res = CONS(hp, mfa, res); hp += 2; } - hp = erts_build_mfa_item(&fi, hp, args, &mfa); - res = CONS(hp, mfa, res); + if (fi.current) { + hp = erts_build_mfa_item(&fi, hp, args, &mfa); + res = CONS(hp, mfa, res); + } erts_free(ERTS_ALC_T_TMP, (void *) stk); return res; @@ -6205,8 +6223,107 @@ apply_setup_error_handler(Process* p, Eterm module, Eterm function, Uint arity, return ep; } +static ERTS_INLINE void +apply_bif_error_adjustment(Process *p, Export *ep, + Eterm *reg, Uint arity, + BeamInstr *I, Uint stack_offset) +{ + /* + * I is only set when the apply is a tail call, i.e., + * from the instructions i_apply_only, i_apply_last_P, + * and apply_last_IP. + */ + if (I + && ep->code[3] == (BeamInstr) em_apply_bif + && (ep == bif_export[BIF_error_1] + || ep == bif_export[BIF_error_2] + || ep == bif_export[BIF_exit_1] + || ep == bif_export[BIF_throw_1])) { + /* + * We are about to tail apply one of the BIFs + * erlang:error/1, erlang:error/2, erlang:exit/1, + * or erlang:throw/1. Error handling of these BIFs is + * special! + * + * We need 'p->cp' to point into the calling + * function when handling the error after the BIF has + * been applied. This in order to get the topmost + * stackframe correct. Without the following adjustment, + * 'p->cp' will point into the function that called + * current function when handling the error. We add a + * dummy stackframe in order to achive this. + * + * Note that these BIFs unconditionally will cause + * an exception to be raised. That is, our modifications + * of 'p->cp' as well as the stack will be corrected by + * the error handling code. + * + * If we find an exception/return-to trace continuation + * pointer as the topmost continuation pointer, we do not + * need to do anything since the information already will + * be available for generation of the stacktrace. + */ + int apply_only = stack_offset == 0; + BeamInstr *cpp; + + if (apply_only) { + ASSERT(p->cp != NULL); + cpp = p->cp; + } + else { + ASSERT(is_CP(p->stop[0])); + cpp = cp_val(p->stop[0]); + } + + if (cpp != beam_exception_trace + && cpp != beam_return_trace + && cpp != beam_return_to_trace) { + Uint need = stack_offset /* bytes */ / sizeof(Eterm); + if (need == 0) + need = 1; /* i_apply_only */ + if (p->stop - p->htop < need) + erts_garbage_collect(p, (int) need, reg, arity+1); + p->stop -= need; + + if (apply_only) { + /* + * Called from the i_apply_only instruction. + * + * 'p->cp' contains continuation pointer pointing + * into the function that called current function. + * We push that continuation pointer onto the stack, + * and set 'p->cp' to point into current function. + */ + + p->stop[0] = make_cp(p->cp); + p->cp = I; + } + else { + /* + * Called from an i_apply_last_p, or apply_last_IP, + * instruction. + * + * Calling instruction will after we return read + * a continuation pointer from the stack and write + * it to 'p->cp', and then remove the topmost + * stackframe of size 'stack_offset'. + * + * We have sized the dummy-stackframe so that it + * will be removed by the instruction we currently + * are executing, and leave the stackframe that + * normally would have been removed intact. + * + */ + p->stop[0] = make_cp(I); + } + } + } +} + static BeamInstr* -apply(Process* p, Eterm module, Eterm function, Eterm args, Eterm* reg) +apply( +Process* p, Eterm module, Eterm function, Eterm args, Eterm* reg, +BeamInstr *I, Uint stack_offset) { int arity; Export* ep; @@ -6231,21 +6348,54 @@ apply(Process* p, Eterm module, Eterm function, Eterm args, Eterm* reg) return 0; } - /* The module argument may be either an atom or an abstract module - * (currently implemented using tuples, but this might change). - */ - this = THE_NON_VALUE; - if (is_not_atom(module)) { - Eterm* tp; + while (1) { + Eterm m, f, a; + /* The module argument may be either an atom or an abstract module + * (currently implemented using tuples, but this might change). + */ + this = THE_NON_VALUE; + if (is_not_atom(module)) { + Eterm* tp; + + if (is_not_tuple(module)) goto error; + tp = tuple_val(module); + if (arityval(tp[0]) < 1) goto error; + this = module; + module = tp[1]; + if (is_not_atom(module)) goto error; + } - if (is_not_tuple(module)) goto error; - tp = tuple_val(module); - if (arityval(tp[0]) < 1) goto error; - this = module; - module = tp[1]; - if (is_not_atom(module)) goto error; + if (module != am_erlang || function != am_apply) + break; + + /* Adjust for multiple apply of apply/3... */ + + a = args; + if (is_list(a)) { + Eterm *consp = list_val(a); + m = CAR(consp); + a = CDR(consp); + if (is_list(a)) { + consp = list_val(a); + f = CAR(consp); + a = CDR(consp); + if (is_list(a)) { + consp = list_val(a); + a = CAR(consp); + if (is_nil(CDR(consp))) { + /* erlang:apply/3 */ + module = m; + function = f; + args = a; + if (is_not_atom(f)) + goto error; + continue; + } + } + } + } + break; /* != erlang:apply/3 */ } - /* * Walk down the 3rd parameter of apply (the argument list) and copy * the parameters to the x registers (reg[]). If the module argument @@ -6283,12 +6433,14 @@ apply(Process* p, Eterm module, Eterm function, Eterm args, Eterm* reg) } else if (ERTS_PROC_GET_SAVED_CALLS_BUF(p)) { save_calls(p, ep); } + apply_bif_error_adjustment(p, ep, reg, arity, I, stack_offset); DTRACE_GLOBAL_CALL_FROM_EXPORT(p, ep); return ep->addressv[erts_active_code_ix()]; } static BeamInstr* -fixed_apply(Process* p, Eterm* reg, Uint arity) +fixed_apply(Process* p, Eterm* reg, Uint arity, + BeamInstr *I, Uint stack_offset) { Export* ep; Eterm module; @@ -6318,6 +6470,10 @@ fixed_apply(Process* p, Eterm* reg, Uint arity) if (is_not_atom(module)) goto error; ++arity; } + + /* Handle apply of apply/3... */ + if (module == am_erlang && function == am_apply && arity == 3) + return apply(p, reg[0], reg[1], reg[2], reg, I, stack_offset); /* * Get the index into the export table, or failing that the export @@ -6332,6 +6488,7 @@ fixed_apply(Process* p, Eterm* reg, Uint arity) } else if (ERTS_PROC_GET_SAVED_CALLS_BUF(p)) { save_calls(p, ep); } + apply_bif_error_adjustment(p, ep, reg, arity, I, stack_offset); DTRACE_GLOBAL_CALL_FROM_EXPORT(p, ep); return ep->addressv[erts_active_code_ix()]; } @@ -6678,7 +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 3f2bdf3f9d..88b6e89a02 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -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 @@ -6287,7 +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..4c7c910419 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -379,6 +379,18 @@ info(fmtfn_t to, void *to_arg) } +static int code_size(struct erl_module_instance* modi) +{ + int size = modi->code_length; + + if (modi->code_hdr) { + ErtsLiteralArea* lit = modi->code_hdr->literal_area; + if (lit) + size += (lit->end - lit->start) * sizeof(Eterm); + } + return size; +} + void loaded(fmtfn_t to, void *to_arg) { @@ -396,13 +408,9 @@ loaded(fmtfn_t to, void *to_arg) * Calculate and print totals. */ for (i = 0; i < module_code_size(code_ix); i++) { - if ((modp = module_code(i, code_ix)) != NULL && - ((modp->curr.code_length != 0) || - (modp->old.code_length != 0))) { - cur += modp->curr.code_length; - if (modp->old.code_length != 0) { - old += modp->old.code_length; - } + if ((modp = module_code(i, code_ix)) != NULL) { + cur += code_size(&modp->curr); + old += code_size(&modp->old); } } erts_print(to, to_arg, "Current code: %d\n", cur); @@ -418,31 +426,25 @@ loaded(fmtfn_t to, void *to_arg) /* * Interactive dump; keep it brief. */ - if (modp != NULL && - ((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 ); - if (modp->old.code_length != 0) { - erts_print(to, to_arg, " (%d old)", - modp->old.code_length ); - old += modp->old.code_length; - } + if (modp != NULL && ((modp->curr.code_length != 0) || + (modp->old.code_length != 0))) { + erts_print(to, to_arg, "%T %d", make_atom(modp->module), + code_size(&modp->curr)); + if (modp->old.code_length != 0) + erts_print(to, to_arg, " (%d old)", code_size(&modp->old)); erts_print(to, to_arg, "\n"); } } else { /* * To crash dump; make it parseable. */ - if (modp != NULL && - ((modp->curr.code_length != 0) || - (modp->old.code_length != 0))) { + if (modp != NULL && ((modp->curr.code_length != 0) || + (modp->old.code_length != 0))) { erts_print(to, to_arg, "=mod:"); 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 +458,7 @@ 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 +649,7 @@ 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 +719,8 @@ 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 735aabbee3..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; @@ -1672,11 +1672,11 @@ current_stacktrace(Process* p, Process* rp, Eterm** hpp) Eterm mfa; Eterm res = NIL; - depth = 8; + depth = erts_backtrace_depth; sz = offsetof(struct StackTrace, trace) + sizeof(BeamInstr *)*depth; s = (struct StackTrace *) erts_alloc(ERTS_ALC_T_TMP, sz); s->depth = 0; - if (rp->i) { + if (depth > 0 && rp->i) { s->trace[s->depth++] = rp->i; depth--; } 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 af799d09da..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 @@ -176,6 +179,13 @@ typedef struct { erts_smp_atomic32_t refc; } ErtsGCInfoReq; +#ifdef ERTS_DIRTY_SCHEDULERS +static struct { + erts_mtx_t mtx; + ErtsGCInfo info; +} dirty_gc; +#endif + static ERTS_INLINE int gc_cost(Uint gc_moved_live_words, Uint resize_moved_words) { @@ -259,6 +269,11 @@ erts_init_gc(void) init_gc_info(&esdp->gc_info); } +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_mtx_init(&dirty_gc.mtx, "dirty_gc_info"); + init_gc_info(&dirty_gc.info); +#endif + init_gcireq_alloc(); } @@ -477,24 +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... */ @@ -556,17 +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; } @@ -602,7 +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(); @@ -610,6 +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) @@ -735,8 +750,19 @@ do_major_collection: monitor_large_heap(p); } - esdp->gc_info.garbage_cols++; - esdp->gc_info.reclaimed += reclaimed_now; +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) { + erts_mtx_lock(&dirty_gc.mtx); + dirty_gc.info.garbage_cols++; + dirty_gc.info.reclaimed += reclaimed_now; + erts_mtx_unlock(&dirty_gc.mtx); + } + else +#endif + { + esdp->gc_info.garbage_cols++; + esdp->gc_info.reclaimed += reclaimed_now; + } FLAGS(p) &= ~F_FORCE_GC; p->live_hf_end = ERTS_INVALID_HFRAG_PTR; @@ -765,6 +791,7 @@ do_major_collection: ASSERT(!p->mbuf); ASSERT(!ERTS_IS_GC_DESIRED(p)); + ASSERT(need <= HEAP_LIMIT(p) - HEAP_TOP(p)); return reds; } @@ -789,6 +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. @@ -835,11 +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; @@ -874,8 +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; @@ -1494,22 +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); } /* @@ -1598,13 +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; @@ -1613,11 +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); @@ -1770,22 +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 /* @@ -1797,19 +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; @@ -2718,7 +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; @@ -3017,6 +3061,18 @@ reply_gc_info(void *vgcirp) reclaimed = esdp->gc_info.reclaimed; garbage_cols = esdp->gc_info.garbage_cols; +#ifdef ERTS_DIRTY_SCHEDULERS + /* + * Add dirty schedulers info on requesting + * schedulers info + */ + if (gcirp->req_sched == esdp->no) { + erts_mtx_lock(&dirty_gc.mtx); + reclaimed += dirty_gc.info.reclaimed; + garbage_cols += dirty_gc.info.garbage_cols; + erts_mtx_unlock(&dirty_gc.mtx); + } +#endif sz = 0; hpp = NULL; @@ -3297,13 +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; } @@ -3374,12 +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 d29d079fc5..647fa26811 100644 --- a/erts/emulator/beam/erl_hl_timer.c +++ b/erts/emulator/beam/erl_hl_timer.c @@ -2666,7 +2666,7 @@ erts_start_timer_callback(ErtsMonotonicTime tmo, tmo); twt = tmo < ERTS_TIMER_WHEEL_MSEC; - if (esdp) + if (esdp && !ERTS_SCHEDULER_IS_DIRTY(esdp)) start_callback_timer(esdp, twt, timeout_pos, @@ -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 06266363b5..5d4823c077 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -129,6 +129,8 @@ static erts_lc_lock_order_t erts_lock_order[] = { { "run_queue", "address" }, #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 b345c35a7e..485949c84a 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -2060,6 +2060,7 @@ handle_thr_prgr_later_op(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int wait #endif for (lops = 0; lops < ERTS_MAX_THR_PRGR_LATER_OPS; lops++) { ErtsThrPrgrLaterOp *lop = awdp->later_op.first; + if (!erts_thr_progress_has_reached_this(current, lop->later)) return aux_work & ~ERTS_SSI_AUX_WORK_THR_PRGR_LATER_OP; awdp->later_op.first = lop->next; @@ -6234,6 +6235,12 @@ check_dirty_enqueue_in_prio_queue(Process *c_p, int queue; erts_aint32_t dact, max_qbit; + /* Do not enqueue free process... */ + if (actual & ERTS_PSFLG_FREE) { + *newp &= ~ERTS_PSFLGS_DIRTY_WORK; + return ERTS_ENQUEUE_NOT; + } + /* Termination should be done on an ordinary scheduler */ if ((*newp) & ERTS_PSFLG_EXITING) { *newp &= ~ERTS_PSFLGS_DIRTY_WORK; @@ -6426,6 +6433,9 @@ select_enqueue_run_queue(int enqueue, int enq_prio, Process *p, erts_aint32_t st /* * schedule_out_process() return with c_rq locked. + * + * Return non-zero value if caller should decrease + * reference count on the process when done with it... */ static ERTS_INLINE int schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, @@ -6480,12 +6490,18 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, erts_smp_runq_lock(c_rq); - return 0; - +#if !defined(ERTS_SMP) + /* Decrement refc if process struct is free... */ + return !!(n & ERTS_PSFLG_FREE); +#else + /* Decrement refc if scheduled out from dirty scheduler... */ + return !is_normal_sched; +#endif } else { Process* sched_p; + ASSERT(!(n & ERTS_PSFLG_FREE)); ASSERT(!(n & ERTS_PSFLG_SUSPENDED) || (n & (ERTS_PSFLG_ACTIVE_SYS | ERTS_PSFLG_DIRTY_ACTIVE_SYS))); @@ -6501,11 +6517,14 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, erts_smp_runq_lock(runq); + if (is_normal_sched && sched_p == p && ERTS_RUNQ_IX_IS_DIRTY(runq->ix)) + erts_proc_inc_refc(p); /* Needs to be done before enqueue_process() */ + /* Enqueue the process */ enqueue_process(runq, (int) enq_prio, sched_p); if (runq == c_rq) - return 1; + return 0; erts_smp_runq_unlock(runq); @@ -6513,9 +6532,15 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, erts_smp_runq_lock(c_rq); - return 1; + /* + * Decrement refc if process is scheduled out by a + * dirty scheduler, and we have not just scheduled + * the process using the ordinary process struct + * on a dirty run-queue again... + */ + return !is_normal_sched && (sched_p != p + || !ERTS_RUNQ_IX_IS_DIRTY(runq->ix)); } - } static ERTS_INLINE void @@ -6530,8 +6555,17 @@ add2runq(int enqueue, erts_aint32_t prio, if (runq) { Process *sched_p; - if (enqueue > 0) + if (enqueue > 0) { sched_p = proc; + /* + * Refc on process struct (i.e. true struct, + * not proxy-struct) increased while in a + * dirty run-queue or executing on a dirty + * scheduler. + */ + if (ERTS_RUNQ_IX_IS_DIRTY(runq->ix)) + erts_proc_inc_refc(proc); + } else { Process *pxy; @@ -7055,12 +7089,18 @@ typedef struct { } ErtsSchdlrSspndResume; static void -schdlr_sspnd_resume_proc(Eterm pid) +schdlr_sspnd_resume_proc(ErtsSchedType sched_type, Eterm pid) { - Process *p = erts_pid2proc(NULL, 0, pid, ERTS_PROC_LOCK_STATUS); + Process *p; + p = erts_pid2proc_opt(NULL, 0, pid, ERTS_PROC_LOCK_STATUS, + (sched_type != ERTS_SCHED_NORMAL + ? ERTS_P2P_FLG_INC_REFC + : 0)); if (p) { resume_process(p, ERTS_PROC_LOCK_STATUS); erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); + if (sched_type != ERTS_SCHED_NORMAL) + erts_proc_dec_refc(p); } } @@ -7069,17 +7109,20 @@ schdlr_sspnd_resume_procs(ErtsSchedType sched_type, ErtsSchdlrSspndResume *resume) { if (is_internal_pid(resume->onln.chngr)) { - schdlr_sspnd_resume_proc(resume->onln.chngr); + schdlr_sspnd_resume_proc(sched_type, + resume->onln.chngr); resume->onln.chngr = NIL; } if (is_internal_pid(resume->onln.nxt)) { - schdlr_sspnd_resume_proc(resume->onln.nxt); + schdlr_sspnd_resume_proc(sched_type, + resume->onln.nxt); resume->onln.nxt = NIL; } while (resume->msb.chngrs) { ErtsProcList *plp = resume->msb.chngrs; resume->msb.chngrs = plp->next; - schdlr_sspnd_resume_proc(plp->pid); + schdlr_sspnd_resume_proc(sched_type, + plp->pid); proclist_destroy(plp); } } @@ -7131,16 +7174,8 @@ suspend_scheduler(ErtsSchedulerData *esdp) ASSERT(sched_type != ERTS_SCHED_NORMAL || no != 1); - if (sched_type != ERTS_SCHED_NORMAL) { - if (erts_smp_mtx_trylock(&schdlr_sspnd.mtx) == EBUSY) { - erts_smp_runq_unlock(esdp->run_queue); - erts_smp_mtx_lock(&schdlr_sspnd.mtx); - erts_smp_runq_lock(esdp->run_queue); - } - if (schdlr_sspnd.msb.ongoing) - evacuate_run_queue(esdp->run_queue, &sbp); + if (sched_type != ERTS_SCHED_NORMAL) erts_smp_runq_unlock(esdp->run_queue); - } else { evacuate_run_queue(esdp->run_queue, &sbp); @@ -7153,8 +7188,8 @@ suspend_scheduler(ErtsSchedulerData *esdp) sched_wall_time_change(esdp, 0); - erts_smp_mtx_lock(&schdlr_sspnd.mtx); } + erts_smp_mtx_lock(&schdlr_sspnd.mtx); flgs = sched_prep_spin_suspended(ssi, ERTS_SSI_FLG_SUSPENDED); if (flgs & ERTS_SSI_FLG_SUSPENDED) { @@ -7198,15 +7233,18 @@ suspend_scheduler(ErtsSchedulerData *esdp) (void) erts_proclist_fetch(&msb[i]->chngq, &end_plp); /* resume processes that initiated the multi scheduling block... */ plp = msb[i]->chngq; - while (plp) { - erts_proclist_store_last(&msb[i]->blckrs, - proclist_copy(plp)); - plp = plp->next; - } - if (end_plp) + if (plp) { + ASSERT(end_plp); + ASSERT(msb[i]->ongoing); + do { + erts_proclist_store_last(&msb[i]->blckrs, + proclist_copy(plp)); + plp = plp->next; + } while (plp); end_plp->next = resume.msb.chngrs; - resume.msb.chngrs = msb[i]->chngq; - msb[i]->chngq = NULL; + resume.msb.chngrs = msb[i]->chngq; + msb[i]->chngq = NULL; + } } } } @@ -7270,24 +7308,14 @@ suspend_scheduler(ErtsSchedulerData *esdp) while (1) { ErtsMonotonicTime current_time; - erts_aint32_t qmask; erts_aint32_t flgs; - qmask = (ERTS_RUNQ_FLGS_GET(esdp->run_queue) - & ERTS_RUNQ_FLGS_QMASK); - - if (sched_type != ERTS_SCHED_NORMAL) { - if (qmask) { - erts_smp_mtx_lock(&schdlr_sspnd.mtx); - erts_smp_runq_lock(esdp->run_queue); - if (schdlr_sspnd.msb.ongoing) - evacuate_run_queue(esdp->run_queue, &sbp); - erts_smp_runq_unlock(esdp->run_queue); - erts_smp_mtx_unlock(&schdlr_sspnd.mtx); - } + if (sched_type != ERTS_SCHED_NORMAL) aux_work = 0; - } else { + erts_aint32_t qmask; + qmask = (ERTS_RUNQ_FLGS_GET(esdp->run_queue) + & ERTS_RUNQ_FLGS_QMASK); aux_work = erts_atomic32_read_acqb(&ssi->aux_work); @@ -7415,12 +7443,23 @@ suspend_scheduler(ErtsSchedulerData *esdp) schdlr_sspnd_inc_nscheds(&schdlr_sspnd.active, sched_type); changing = erts_smp_atomic32_read_nob(&schdlr_sspnd.changing); - if ((changing & ERTS_SCHDLR_SSPND_CHNG_MSB) - && schdlr_sspnd.online == schdlr_sspnd.active) { - erts_smp_atomic32_read_band_nob(&schdlr_sspnd.changing, - ~ERTS_SCHDLR_SSPND_CHNG_MSB); - } - + if (changing) { + if ((changing & ERTS_SCHDLR_SSPND_CHNG_MSB) + && !schdlr_sspnd.msb.ongoing + && schdlr_sspnd.online == schdlr_sspnd.active) { + erts_smp_atomic32_read_band_nob(&schdlr_sspnd.changing, + ~ERTS_SCHDLR_SSPND_CHNG_MSB); + } + if ((changing & ERTS_SCHDLR_SSPND_CHNG_NMSB) + && !schdlr_sspnd.nmsb.ongoing + && (schdlr_sspnd_get_nscheds(&schdlr_sspnd.online, + ERTS_SCHED_NORMAL) + == schdlr_sspnd_get_nscheds(&schdlr_sspnd.active, + ERTS_SCHED_NORMAL))) { + erts_smp_atomic32_read_band_nob(&schdlr_sspnd.changing, + ~ERTS_SCHDLR_SSPND_CHNG_NMSB); + } + } ASSERT(no <= schdlr_sspnd_get_nscheds(&schdlr_sspnd.online, sched_type)); ASSERT((sched_type == ERTS_SCHED_NORMAL ? !(schdlr_sspnd.msb.ongoing|schdlr_sspnd.nmsb.ongoing) @@ -7553,7 +7592,7 @@ abort_sched_onln_chng_waitq(Process *p) erts_smp_mtx_unlock(&schdlr_sspnd.mtx); if (is_internal_pid(resume)) - schdlr_sspnd_resume_proc(resume); + schdlr_sspnd_resume_proc(ERTS_SCHED_NORMAL, resume); } ErtsSchedSuspendResult @@ -7951,21 +7990,20 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int normal } else { /* ------ UNBLOCK ------ */ if (p->flags & have_blckd_flg) { - ErtsProcList *plps[2]; + ErtsProcList **plpps[3] = {0}; ErtsProcList *plp; - int limit = 0; - plps[limit++] = erts_proclist_peek_first(msbp->blckrs); - if (all) - plps[limit++] = erts_proclist_peek_first(msbp->chngq); + plpps[0] = &msbp->blckrs; + if (all) + plpps[1] = &msbp->chngq; - for (ix = 0; ix < limit; ix++) { - plp = plps[ix]; + for (ix = 0; plpps[ix]; ix++) { + plp = erts_proclist_peek_first(*plpps[ix]); while (plp) { ErtsProcList *tmp_plp = plp; - plp = erts_proclist_peek_next(msbp->blckrs, plp); + plp = erts_proclist_peek_next(*plpps[ix], plp); if (erts_proclist_same(tmp_plp, p)) { - erts_proclist_remove(&msbp->blckrs, tmp_plp); + erts_proclist_remove(plpps[ix], tmp_plp); proclist_destroy(tmp_plp); if (!all) break; @@ -8604,8 +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); @@ -9587,40 +9632,46 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) esdp->reductions += reds; - /* schedule_out_process() returns with rq locked! */ - schedule_out_process(rq, state, p, proxy_p, is_normal_sched); - proxy_p = NULL; + { + int dec_refc; + + /* schedule_out_process() returns with rq locked! */ + dec_refc = schedule_out_process(rq, state, p, + proxy_p, is_normal_sched); + proxy_p = NULL; - ERTS_PROC_REDUCTIONS_EXECUTED(esdp, rq, - (int) ERTS_PSFLGS_GET_USR_PRIO(state), - reds, - actual_reds); + ERTS_PROC_REDUCTIONS_EXECUTED(esdp, rq, + (int) ERTS_PSFLGS_GET_USR_PRIO(state), + reds, + actual_reds); - esdp->current_process = NULL; + 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 - | ERTS_PROC_LOCK_STATUS - | ERTS_PROC_LOCK_TRACE)); + erts_smp_proc_unlock(p, (ERTS_PROC_LOCK_MAIN + | ERTS_PROC_LOCK_STATUS + | ERTS_PROC_LOCK_TRACE)); - ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_OTHER); + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_OTHER); - if (state & ERTS_PSFLG_FREE) { - if (!is_normal_sched) { - ASSERT(p->flags & F_DELAYED_DEL_PROC); - erts_proc_dec_refc(p); - } - else { #ifdef ERTS_SMP - ASSERT(esdp->free_process == p); - esdp->free_process = NULL; -#else - erts_proc_dec_refc(p); + if (state & ERTS_PSFLG_FREE) { + if (!is_normal_sched) { + ASSERT(p->flags & F_DELAYED_DEL_PROC); + } + else { + ASSERT(esdp->free_process == p); + esdp->free_process = NULL; + } + } #endif - } - } + + if (dec_refc) + erts_proc_dec_refc(p); + } #ifdef ERTS_SMP ASSERT(!esdp->free_process); @@ -9896,8 +9947,12 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) if (!(state & ERTS_PSFLG_PROXY)) psflg_band_mask &= ~ERTS_PSFLG_IN_RUNQ; else { + Eterm pid = p->common.id; proxy_p = p; - p = erts_proc_lookup_raw(proxy_p->common.id); + p = (is_normal_sched + ? erts_proc_lookup_raw(pid) + : erts_pid2proc_opt(NULL, 0, pid, 0, + ERTS_P2P_FLG_INC_REFC)); if (!p) { free_proxy_proc(proxy_p); proxy_p = NULL; @@ -9929,6 +9984,7 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) | ERTS_PSFLG_FREE))) #ifdef ERTS_DIRTY_SCHEDULERS | (((state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_FREE | ERTS_PSFLG_RUNNING_SYS | ERTS_PSFLG_EXITING)) @@ -9961,6 +10017,8 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls) /* free and not queued by proxy */ erts_proc_dec_refc(p); } + if (!is_normal_sched) + erts_proc_dec_refc(p); goto pick_next_process; } state = new; @@ -10013,8 +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) { @@ -10025,6 +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 { @@ -11912,7 +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; @@ -11967,13 +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 @@ -11985,16 +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 */ @@ -13091,15 +13134,14 @@ erts_continue_exit_process(Process *p) } #ifdef ERTS_DIRTY_SCHEDULERS - if (a & (ERTS_PSFLG_DIRTY_RUNNING - | ERTS_PSFLG_DIRTY_RUNNING_SYS)) { + if (a & (ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS)) { p->flags |= F_DELAYED_DEL_PROC; delay_del_proc = 1; /* - * The dirty scheduler will also decrease - * refc when done... + * The dirty scheduler decrease refc + * when done with the process... */ - erts_proc_inc_refc(p); } #endif diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 9f7084c127..68fbb10602 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1684,7 +1684,7 @@ ERTS_GLB_INLINE ErtsProcList *erts_proclist_fetch_first(ErtsProcList **list) return NULL; else { ErtsProcList *res = *list; - if (res == *list) + if (res->next == *list) *list = NULL; else *list = res->next; 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/external.c b/erts/emulator/beam/external.c index 587c29e3b5..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; 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/io.c b/erts/emulator/beam/io.c index 4f131c74de..9bf29ee230 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -4884,10 +4884,16 @@ erts_port_control(Process* c_p, ASSERT(!tmp_alloced); if (*ebinp == HEADER_SUB_BIN) ebinp = binary_val(((ErlSubBin *) ebinp)->orig); + if (*ebinp != HEADER_PROC_BIN) copy = 1; else { - binp = ((ProcBin *) ebinp)->val; + ProcBin *pb = (ProcBin *) ebinp; + + if (pb->flags) + erts_emasculate_writable_binary(pb); + + binp = pb->val; ASSERT(bufp <= bufp + size); ASSERT(binp->orig_bytes <= bufp && bufp + size <= binp->orig_bytes + binp->orig_size); @@ -6890,12 +6896,6 @@ 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 +6938,15 @@ 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 +6960,8 @@ 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/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 4b2edace0a..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 @@ -407,6 +406,7 @@ erts_sys_pre_init(void) #ifdef ERTS_THR_HAVE_SIG_FUNCS sigemptyset(&thr_create_sigmask); sigaddset(&thr_create_sigmask, SIGINT); /* block interrupt */ + sigaddset(&thr_create_sigmask, SIGTERM); /* block terminate signal */ sigaddset(&thr_create_sigmask, SIGUSR1); /* block user defined signal */ #endif @@ -655,6 +655,40 @@ static RETSIGTYPE request_break(int signum) #endif } +static void stop_requested(void) { + Process* p = NULL; + Eterm msg, *hp; + ErtsProcLocks locks = 0; + ErlOffHeap *ohp; + Eterm id = erts_whereis_name_to_id(NULL, am_init); + + if ((p = (erts_pid2proc_opt(NULL, 0, id, 0, ERTS_P2P_FLG_INC_REFC))) != NULL) { + ErtsMessage *msgp = erts_alloc_message_heap(p, &locks, 3, &hp, &ohp); + + /* init ! {stop,stop} */ + msg = TUPLE2(hp, am_stop, am_stop); + erts_queue_message(p, locks, msgp, msg, am_system); + + if (locks) + erts_smp_proc_unlock(p, locks); + erts_proc_dec_refc(p); + } +} + +#if (defined(SIG_SIGSET) || defined(SIG_SIGNAL)) +static RETSIGTYPE request_stop(void) +#else +static RETSIGTYPE request_stop(int signum) +#endif +{ +#ifdef ERTS_SMP + smp_sig_notify('S'); +#else + stop_requested(); +#endif +} + + static ERTS_INLINE void sigusr1_exit(void) { @@ -751,6 +785,7 @@ static RETSIGTYPE do_quit(int signum) /* Disable break */ void erts_set_ignore_break(void) { sys_signal(SIGINT, SIG_IGN); + sys_signal(SIGTERM, SIG_IGN); sys_signal(SIGQUIT, SIG_IGN); sys_signal(SIGTSTP, SIG_IGN); } @@ -776,6 +811,7 @@ void erts_replace_intr(void) { void init_break_handler(void) { sys_signal(SIGINT, request_break); + sys_signal(SIGTERM, request_stop); #ifndef ETHR_UNUSABLE_SIGUSRX sys_signal(SIGUSR1, user_signal1); #endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */ @@ -1289,6 +1325,9 @@ signal_dispatcher_thread_func(void *unused) switch (buf[i]) { case 0: /* Emulator initialized */ break; + case 'S': /* SIGTERM */ + stop_requested(); + break; case 'I': /* SIGINT */ break_requested(); break; diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl index b8d89126fe..f70fb0e501 100644 --- a/erts/emulator/test/bif_SUITE.erl +++ b/erts/emulator/test/bif_SUITE.erl @@ -32,7 +32,8 @@ binary_to_atom/1,binary_to_existing_atom/1, atom_to_binary/1,min_max/1, erlang_halt/1, erl_crash_dump_bytes/1, - is_builtin/1]). + is_builtin/1, error_stacktrace/1, + error_stacktrace_during_call_trace/1]). suite() -> [{ct_hooks,[ts_install_cth]}, @@ -44,8 +45,8 @@ all() -> t_list_to_existing_atom, os_env, otp_7526, display, atom_to_binary, binary_to_atom, binary_to_existing_atom, - erl_crash_dump_bytes, - min_max, erlang_halt, is_builtin]. + erl_crash_dump_bytes, min_max, erlang_halt, is_builtin, + error_stacktrace, error_stacktrace_during_call_trace]. %% Uses erlang:display to test that erts_printf does not do deep recursion display(Config) when is_list(Config) -> @@ -727,6 +728,172 @@ is_builtin(_Config) -> ok. +error_stacktrace(Config) when is_list(Config) -> + error_stacktrace_test(). + +error_stacktrace_during_call_trace(Config) when is_list(Config) -> + Tracer = spawn_link(fun () -> + receive after infinity -> ok end + end), + Mprog = [{'_',[],[{exception_trace}]}], + erlang:trace_pattern({?MODULE,'_','_'}, Mprog, [local]), + 1 = erlang:trace_pattern({erlang,error,2}, Mprog, [local]), + 1 = erlang:trace_pattern({erlang,error,1}, Mprog, [local]), + erlang:trace(all, true, [call,return_to,timestamp,{tracer, Tracer}]), + try + error_stacktrace_test() + after + erlang:trace(all, false, [call,return_to,timestamp,{tracer, Tracer}]), + erlang:trace_pattern({erlang,error,2}, false, [local]), + erlang:trace_pattern({erlang,error,1}, false, [local]), + erlang:trace_pattern({?MODULE,'_','_'}, false, [local]), + unlink(Tracer), + exit(Tracer, kill), + Mon = erlang:monitor(process, Tracer), + receive + {'DOWN', Mon, process, Tracer, _} -> ok + end + end, + ok. + + +error_stacktrace_test() -> + Types = [apply_const_last, apply_const, apply_last, + apply, double_apply_const_last, double_apply_const, + double_apply_last, double_apply, multi_apply_const_last, + multi_apply_const, multi_apply_last, multi_apply, + call_const_last, call_last, call_const, call], + lists:foreach(fun (Type) -> + {Pid, Mon} = spawn_monitor( + fun () -> + stk([a,b,c,d], Type, error_2) + end), + receive + {'DOWN', Mon, process, Pid, Reason} -> + {oops, Stack} = Reason, +%% io:format("Type: ~p Stack: ~p~n", +%% [Type, Stack]), + [{?MODULE, do_error_2, [Type], _}, + {?MODULE, stk, 3, _}, + {?MODULE, stk, 3, _}] = Stack + end + end, + Types), + lists:foreach(fun (Type) -> + {Pid, Mon} = spawn_monitor( + fun () -> + stk([a,b,c,d], Type, error_1) + end), + receive + {'DOWN', Mon, process, Pid, Reason} -> + {oops, Stack} = Reason, +%% io:format("Type: ~p Stack: ~p~n", +%% [Type, Stack]), + [{?MODULE, do_error_1, 1, _}, + {?MODULE, stk, 3, _}, + {?MODULE, stk, 3, _}] = Stack + end + end, + Types), + ok. + +stk([], Type, Func) -> + tail(Type, Func, jump), + ok; +stk([_|L], Type, Func) -> + stk(L, Type, Func), + ok. + +tail(Type, Func, jump) -> + tail(Type, Func, do); +tail(Type, error_1, do) -> + do_error_1(Type); +tail(Type, error_2, do) -> + do_error_2(Type). + +do_error_2(apply_const_last) -> + erlang:apply(erlang, error, [oops, [apply_const_last]]); +do_error_2(apply_const) -> + erlang:apply(erlang, error, [oops, [apply_const]]), + ok; +do_error_2(apply_last) -> + erlang:apply(id(erlang), id(error), id([oops, [apply_last]])); +do_error_2(apply) -> + erlang:apply(id(erlang), id(error), id([oops, [apply]])), + ok; +do_error_2(double_apply_const_last) -> + erlang:apply(erlang, apply, [erlang, error, [oops, [double_apply_const_last]]]); +do_error_2(double_apply_const) -> + erlang:apply(erlang, apply, [erlang, error, [oops, [double_apply_const]]]), + ok; +do_error_2(double_apply_last) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(error), id([oops, [double_apply_last]])]); +do_error_2(double_apply) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(error), id([oops, [double_apply]])]), + ok; +do_error_2(multi_apply_const_last) -> + erlang:apply(erlang, apply, [erlang, apply, [erlang, apply, [erlang, error, [oops, [multi_apply_const_last]]]]]); +do_error_2(multi_apply_const) -> + erlang:apply(erlang, apply, [erlang, apply, [erlang, apply, [erlang, error, [oops, [multi_apply_const]]]]]), + ok; +do_error_2(multi_apply_last) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(error), id([oops, [multi_apply_last]])]]]); +do_error_2(multi_apply) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(error), id([oops, [multi_apply]])]]]), + ok; +do_error_2(call_const_last) -> + erlang:error(oops, [call_const_last]); +do_error_2(call_last) -> + erlang:error(id(oops), id([call_last])); +do_error_2(call_const) -> + erlang:error(oops, [call_const]), + ok; +do_error_2(call) -> + erlang:error(id(oops), id([call])). + + +do_error_1(apply_const_last) -> + erlang:apply(erlang, error, [oops]); +do_error_1(apply_const) -> + erlang:apply(erlang, error, [oops]), + ok; +do_error_1(apply_last) -> + erlang:apply(id(erlang), id(error), id([oops])); +do_error_1(apply) -> + erlang:apply(id(erlang), id(error), id([oops])), + ok; +do_error_1(double_apply_const_last) -> + erlang:apply(erlang, apply, [erlang, error, [oops]]); +do_error_1(double_apply_const) -> + erlang:apply(erlang, apply, [erlang, error, [oops]]), + ok; +do_error_1(double_apply_last) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(error), id([oops])]); +do_error_1(double_apply) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(error), id([oops])]), + ok; +do_error_1(multi_apply_const_last) -> + erlang:apply(erlang, apply, [erlang, apply, [erlang, apply, [erlang, error, [oops]]]]); +do_error_1(multi_apply_const) -> + erlang:apply(erlang, apply, [erlang, apply, [erlang, apply, [erlang, error, [oops]]]]), + ok; +do_error_1(multi_apply_last) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(error), id([oops])]]]); +do_error_1(multi_apply) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(error), id([oops])]]]), + ok; +do_error_1(call_const_last) -> + erlang:error(oops); +do_error_1(call_last) -> + erlang:error(id(oops)); +do_error_1(call_const) -> + erlang:error(oops), + ok; +do_error_1(call) -> + erlang:error(id(oops)). + + + %% Helpers diff --git a/erts/emulator/test/call_trace_SUITE.erl b/erts/emulator/test/call_trace_SUITE.erl index 6ba6301c7c..f7ff04430a 100644 --- a/erts/emulator/test/call_trace_SUITE.erl +++ b/erts/emulator/test/call_trace_SUITE.erl @@ -1090,8 +1090,7 @@ exception_nocatch() -> {trace,t2,exception_from,{erlang,throw,1}, {error,{nocatch,Q2}}}], exception_from, {error,{nocatch,Q2}}), - expect({trace,T2,exit,{{nocatch,Q2},[{erlang,throw,[Q2],[]}, - {?MODULE,deep_4,1, + expect({trace,T2,exit,{{nocatch,Q2},[{?MODULE,deep_4,1, Deep4LocThrow}]}}), Q3 = {dump,[dump,{dump}]}, T3 = @@ -1100,8 +1099,7 @@ exception_nocatch() -> {trace,t3,exception_from,{erlang,error,1}, {error,Q3}}], exception_from, {error,Q3}), - expect({trace,T3,exit,{Q3,[{erlang,error,[Q3],[]}, - {?MODULE,deep_4,1,Deep4LocError}]}}), + expect({trace,T3,exit,{Q3,[{?MODULE,deep_4,1,Deep4LocError}]}}), T4 = exception_nocatch(?LINE, '=', [17,4711], 5, [], exception_from, {error,{badmatch,4711}}), diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl index 34515efa3d..3ee14f2d1c 100644 --- a/erts/emulator/test/code_SUITE.erl +++ b/erts/emulator/test/code_SUITE.erl @@ -66,9 +66,9 @@ versions(Config) when is_list(Config) -> 2 = versions:version(), %% Kill processes, unload code. - P1 ! P2 ! done, _ = monitor(process, P1), _ = monitor(process, P2), + P1 ! P2 ! done, receive {'DOWN',_,process,P1,normal} -> ok end, diff --git a/erts/emulator/test/emulator_smoke.spec b/erts/emulator/test/emulator_smoke.spec index 3219aeb823..b2d0de8835 100644 --- a/erts/emulator/test/emulator_smoke.spec +++ b/erts/emulator/test/emulator_smoke.spec @@ -1,3 +1,9 @@ -{suites,"../emulator_test",[smoke_test_SUITE,time_SUITE]}. -{cases,"../emulator_test",crypto_SUITE,[t_md5]}. -{cases,"../emulator_test",float_SUITE,[fpe,cmp_integer]}.
\ No newline at end of file +{define,'Dir',"../emulator_test"}. +{suites,'Dir',[smoke_test_SUITE]}. +{suites,'Dir',[time_SUITE]}. +{skip_cases,'Dir',time_SUITE, + [univ_to_local,local_to_univ],"Depends on CET timezone"}. +{skip_cases,'Dir',time_SUITE, + [consistency],"Not reliable in October and March"}. +{cases,'Dir',crypto_SUITE,[t_md5]}. +{cases,'Dir',float_SUITE,[fpe,cmp_integer]}. 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_SUITE.erl b/erts/emulator/test/port_SUITE.erl index d4e77d634a..23594aa8c4 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -2292,7 +2292,7 @@ maybe_to_list(List) -> List. format({Eol,List}) -> - io_lib:format("tuple<~w,~s>",[Eol, maybe_to_list(List)]); + io_lib:format("tuple<~w,~w>",[Eol, maybe_to_list(List)]); format(List) when is_list(List) -> case list_at_least(50, List) of true -> diff --git a/erts/emulator/test/port_SUITE_data/Makefile.src b/erts/emulator/test/port_SUITE_data/Makefile.src index fb7685c4b6..3a343e6d17 100644 --- a/erts/emulator/test/port_SUITE_data/Makefile.src +++ b/erts/emulator/test/port_SUITE_data/Makefile.src @@ -20,6 +20,12 @@ echo_args@exe@: echo_args@obj@ echo_args@obj@: echo_args.c $(CC) -c -o echo_args@obj@ $(CFLAGS) echo_args.c +dead_port@exe@: dead_port@obj@ + $(LD) $(CROSSLDFLAGS) -o dead_port dead_port@obj@ @LIBS@ + +dead_port@obj@: dead_port.c + $(CC) -c -o dead_port@obj@ $(CFLAGS) dead_port.c + port_test.@EMULATOR@: port_test.erl @erl_name@ -compile port_test diff --git a/erts/emulator/test/port_SUITE_data/port_test.c b/erts/emulator/test/port_SUITE_data/port_test.c index cc3ebdf0f8..e199a0fc13 100644 --- a/erts/emulator/test/port_SUITE_data/port_test.c +++ b/erts/emulator/test/port_SUITE_data/port_test.c @@ -10,6 +10,7 @@ #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> +#include <ctype.h> #ifndef __WIN32__ #include <unistd.h> @@ -33,7 +34,7 @@ exit(1); \ } -#define MAIN(argc, argv) main(argc, argv) +#define ASSERT(e) ((void) ((e) ? 1 : abort())) extern int errno; @@ -105,9 +106,7 @@ int err; #endif -MAIN(argc, argv) -int argc; -char *argv[]; +int main(int argc, char *argv[]) { int ret, fd_count; if((port_data = (PORT_TEST_DATA *) malloc(sizeof(PORT_TEST_DATA))) == NULL) { @@ -377,9 +376,11 @@ write_reply(buf, size) int size; /* Size of buffer to send. */ { int n; /* Temporary to hold size. */ + int rv; if (port_data->slow_writes <= 0) { /* Normal, "fast", write. */ - write(port_data->fd_to_erl, buf, size); + rv = write(port_data->fd_to_erl, buf, size); + ASSERT(rv == size); } else { /* * Write chunks with delays in between. @@ -387,7 +388,8 @@ write_reply(buf, size) while (size > 0) { n = size > port_data->slow_writes ? port_data->slow_writes : size; - write(port_data->fd_to_erl, buf, n); + rv = write(port_data->fd_to_erl, buf, n); + ASSERT(rv == n); size -= n; buf += n; if (size) @@ -558,7 +560,7 @@ char* spec; /* Specification for reply. */ buf = (char *) malloc(total_size); if (buf == NULL) { fprintf(stderr, "%s: insufficent memory for reply buffer of size %d\n", - port_data->progname, total_size); + port_data->progname, (int)total_size); exit(1); } 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 0f999e0efe..0a6eb7ffac 100644 --- a/erts/emulator/test/process_SUITE.erl +++ b/erts/emulator/test/process_SUITE.erl @@ -437,11 +437,22 @@ t_process_info(Config) when is_list(Config) -> verify_loc(Line2, Res2), pi_stacktrace([{?MODULE,t_process_info,1,?LINE}]), + verify_stacktrace_depth(), + Gleader = group_leader(), {group_leader, Gleader} = process_info(self(), group_leader), {'EXIT',{badarg,_Info}} = (catch process_info('not_a_pid')), ok. +verify_stacktrace_depth() -> + CS = current_stacktrace, + OldDepth = erlang:system_flag(backtrace_depth, 0), + {CS,[]} = erlang:process_info(self(), CS), + _ = erlang:system_flag(backtrace_depth, 8), + {CS,[{?MODULE,verify_stacktrace_depth,0,_},_|_]} = + erlang:process_info(self(), CS), + _ = erlang:system_flag(backtrace_depth, OldDepth). + pi_stacktrace(Expected0) -> {Line,Res} = {?LINE,erlang:process_info(self(), current_stacktrace)}, {current_stacktrace,Stack} = Res, @@ -1611,6 +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], @@ -1620,6 +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/etc/common/heart.c b/erts/etc/common/heart.c index d67b997d6d..bc353e384e 100644 --- a/erts/etc/common/heart.c +++ b/erts/etc/common/heart.c @@ -48,13 +48,10 @@ * * HEART_BEATING * - * This program expects a heart beat messages. If it does not receive a - * heart beat message from Erlang within heart_beat_timeout seconds, it - * reboots the system. The variable heart_beat_timeout is exported (so - * that it can be set from the shell in VxWorks, as is the variable - * heart_beat_report_delay). When using Solaris, the system is rebooted - * by executing the command stored in the environment variable - * HEART_COMMAND. + * This program expects a heart beat message. If it does not receive a + * heart beat message from Erlang within heart_beat_timeout seconds, it + * reboots the system. The system is rebooted by executing the command + * stored in the environment variable HEART_COMMAND. * * BLOCKING DESCRIPTORS * @@ -149,27 +146,17 @@ struct msg { /* Maybe interesting to change */ /* Times in seconds */ -#define HEART_BEAT_BOOT_DELAY 60 /* 1 minute */ #define SELECT_TIMEOUT 5 /* Every 5 seconds we reset the watchdog timer */ /* heart_beat_timeout is the maximum gap in seconds between two - consecutive heart beat messages from Erlang, and HEART_BEAT_BOOT_DELAY - is the the extra delay that wd_keeper allows for, to give heart a - chance to reboot in the "normal" way before the hardware watchdog - enters the scene. heart_beat_report_delay is the time allowed for reporting - before rebooting under VxWorks. */ + consecutive heart beat messages from Erlang. */ int heart_beat_timeout = 60; -int heart_beat_report_delay = 30; -int heart_beat_boot_delay = HEART_BEAT_BOOT_DELAY; /* All current platforms have a process identifier that fits in an unsigned long and where 0 is an impossible or invalid value */ unsigned long heart_beat_kill_pid = 0; -#define VW_WD_TIMEOUT (heart_beat_timeout+heart_beat_report_delay+heart_beat_boot_delay) -#define SOL_WD_TIMEOUT (heart_beat_timeout+heart_beat_boot_delay) - /* reasons for reboot */ #define R_TIMEOUT (1) #define R_CLOSED (2) @@ -297,7 +284,6 @@ free_env_val(char *value) static void get_arguments(int argc, char** argv) { int i = 1; int h; - int w; unsigned long p; while (i < argc) { @@ -313,15 +299,6 @@ static void get_arguments(int argc, char** argv) { i++; } break; - case 'w': - if (strcmp(argv[i], "-wt") == 0) - if (sscanf(argv[i+1],"%i",&w) ==1) - if ((w > 10) && (w <= 65535)) { - heart_beat_boot_delay = w; - fprintf(stderr,"heart_beat_boot_delay = %d\n",w); - i++; - } - break; case 'p': if (strcmp(argv[i], "-pid") == 0) if (sscanf(argv[i+1],"%lu",&p) ==1){ @@ -347,7 +324,7 @@ static void get_arguments(int argc, char** argv) { } i++; } - debugf("arguments -ht %d -wt %d -pid %lu\n",h,w,p); + debugf("arguments -ht %d -pid %lu\n",h,p); } int main(int argc, char **argv) { @@ -674,11 +651,6 @@ void win_system(char *command) */ static void do_terminate(int erlin_fd, int reason) { - /* - When we get here, we have HEART_BEAT_BOOT_DELAY secs to finish - (plus heart_beat_report_delay if under VxWorks), so we don't need - to call wd_reset(). - */ int ret = 0, tmo=0; char *tmo_env; diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in index fa68bd26ee..f2babc48d2 100644 --- a/erts/etc/unix/etp-commands.in +++ b/erts/etc/unix/etp-commands.in @@ -1322,7 +1322,11 @@ define etp-stacktrace set $etp_stacktrace_p = ($arg0)->stop set $etp_stacktrace_end = ($arg0)->hend printf "%% Stacktrace (%u): ", $etp_stacktrace_end-$etp_stacktrace_p - etp ($arg0)->cp + if ($arg0)->cp == 0x0 + printf "NULL\n" + else + etp ($arg0)->cp + end while $etp_stacktrace_p < $etp_stacktrace_end if ($etp_stacktrace_p[0] & 0x3) == 0x0 # Continuation pointer @@ -1350,7 +1354,11 @@ define etp-stackdump set $etp_stackdump_p = ($arg0)->stop set $etp_stackdump_end = ($arg0)->hend printf "%% Stackdump (%u): ", $etp_stackdump_end-$etp_stackdump_p - etp ($arg0)->cp + if ($arg0)->cp == 0x0 + printf "NULL\n" + else + etp ($arg0)->cp + end while $etp_stackdump_p < $etp_stackdump_end etp $etp_stackdump_p[0] set $etp_stackdump_p++ 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"}. |