diff options
Diffstat (limited to 'erts/emulator')
-rw-r--r-- | erts/emulator/Makefile.in | 7 | ||||
-rw-r--r-- | erts/emulator/beam/beam_bif_load.c | 15 | ||||
-rw-r--r-- | erts/emulator/beam/beam_bp.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/beam_bp.h | 2 | ||||
-rw-r--r-- | erts/emulator/beam/beam_emu.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/beam_load.h | 3 | ||||
-rw-r--r-- | erts/emulator/beam/erl_alloc_util.c | 9 | ||||
-rw-r--r-- | erts/emulator/beam/erl_bif_trace.c | 10 | ||||
-rw-r--r-- | erts/emulator/beam/erl_fun.c | 1 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.c | 11 | ||||
-rw-r--r-- | erts/emulator/beam/erl_nif.c | 39 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.c | 58 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.h | 2 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_bif0.c | 4 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_mode_switch.h | 6 | ||||
-rw-r--r-- | erts/emulator/sys/unix/sys.c | 6 | ||||
-rw-r--r-- | erts/emulator/test/port_SUITE.erl | 25 | ||||
-rw-r--r-- | erts/emulator/test/trace_SUITE.erl | 32 |
18 files changed, 165 insertions, 71 deletions
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in index e0260205e3..8772befe27 100644 --- a/erts/emulator/Makefile.in +++ b/erts/emulator/Makefile.in @@ -49,6 +49,7 @@ CREATE_DIRS= LDFLAGS=@LDFLAGS@ ARFLAGS=rc OMIT_OMIT_FP=no +TYPE_LIBS= DIRTY_SCHEDULER_SUPPORT=@DIRTY_SCHEDULER_SUPPORT@ NEW_PURGE_STRATEGY=@NEW_PURGE_STRATEGY@ @@ -90,7 +91,7 @@ PURIFY = TYPEMARKER = .gcov TYPE_FLAGS = $(DEBUG_CFLAGS) -DERTS_GCOV -DNO_JUMP_TABLE -fprofile-arcs -ftest-coverage -O0 -DERTS_CAN_INLINE=0 -DERTS_INLINE= ifneq ($(findstring solaris,$(TARGET)),solaris) -LIBS += -lgcov +TYPE_LIBS = -lgcov endif ENABLE_ALLOC_TYPE_VARS += debug else @@ -146,6 +147,8 @@ endif endif endif +LIBS += $(TYPE_LIBS) + comma:=, space:= space+= @@ -931,7 +934,7 @@ $(OBJDIR)/%.o: hipe/%.c $(V_CC) $(subst O2,O3, $(CFLAGS)) $(INCLUDES) -c $< -o $@ $(BINDIR)/hipe_mkliterals$(TF_MARKER): $(OBJDIR)/hipe_mkliterals.o - $(ld_verbose)$(CC) $(CFLAGS) $(INCLUDES) -o $@ $< + $(ld_verbose)$(CC) $(LDFLAGS) -o $@ $< $(TYPE_LIBS) $(OBJDIR)/hipe_mkliterals.o: $(HIPE_ASM) $(TTF_DIR)/erl_alloc_types.h $(DTRACE_HEADERS) \ $(TTF_DIR)/OPCODES-GENERATED $(TARGET)/TABLES-GENERATED diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index 5969197168..ea1323d651 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -1086,6 +1086,11 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls || ErtsInArea(rp->cp, mod_start, mod_size)) { return am_true; } + + *redsp += 1; + + if (erts_check_nif_export_in_area(rp, mod_start, mod_size)) + return am_true; *redsp += (STACK_START(rp) - rp->stop) / 32; @@ -1161,6 +1166,12 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls || ErtsInArea(rp->cp, mod_start, mod_size)) { return am_true; } + + *redsp += 1; + + if (erts_check_nif_export_in_area(rp, mod_start, mod_size)) + return am_true; + /* * Check all continuation pointers stored on the stack. @@ -1623,10 +1634,10 @@ erts_purge_state_add_fun(ErlFunEntry *fe) } Export * -erts_suspend_process_on_pending_purge_lambda(Process *c_p) +erts_suspend_process_on_pending_purge_lambda(Process *c_p, ErlFunEntry* fe) { erts_smp_mtx_lock(&purge_state.mtx); - if (is_value(purge_state.module)) { + if (purge_state.module == fe->module) { /* * The process c_p is about to call a fun in the code * that we are trying to purge. Suspend it and call diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 920c8b1ed0..bbb2e4f34f 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -1517,7 +1517,7 @@ 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_schedulers; + bdt->n = erts_no_total_schedulers; bdt->hash = Alloc(sizeof(bp_time_hash_t)*(bdt->n)); for (i = 0; i < bdt->n; i++) { bp_hash_init(&(bdt->hash[i]), 32); diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h index 541af77211..7206ef471a 100644 --- a/erts/emulator/beam/beam_bp.h +++ b/erts/emulator/beam/beam_bp.h @@ -80,7 +80,7 @@ typedef struct generic_bp { #define ERTS_BP_CALL_TIME_SCHEDULE_EXITING (2) #ifdef ERTS_SMP -#define bp_sched2ix_proc(p) (erts_proc_sched_data(p)->no - 1) +#define bp_sched2ix_proc(p) (erts_proc_sched_data(p)->thr_id - 1) #else #define bp_sched2ix_proc(p) (0) #endif diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index ef4cdf9d5a..59a9ea1417 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -5325,7 +5325,7 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp) I = c_p->i; - ASSERT(BeamOp(op_call_nif) == (BeamInstr *) *I); + ASSERT(em_call_nif == (BeamInstr *) *I); /* * Set fcalls even though we ignore it, so we don't @@ -6555,7 +6555,7 @@ call_fun(Process* p, /* Current process. */ * and let it try again when the purge operation is * done (may succeed or not). */ - ep = erts_suspend_process_on_pending_purge_lambda(p); + ep = erts_suspend_process_on_pending_purge_lambda(p, fe); ASSERT(ep); } else { diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h index 1200bb9c6f..9be5e14e40 100644 --- a/erts/emulator/beam/beam_load.h +++ b/erts/emulator/beam/beam_load.h @@ -124,7 +124,8 @@ int erts_is_module_native(BeamCodeHeader* code); void erts_beam_bif_load_init(void); struct erl_fun_entry; void erts_purge_state_add_fun(struct erl_fun_entry *fe); -Export *erts_suspend_process_on_pending_purge_lambda(Process *c_p); +Export *erts_suspend_process_on_pending_purge_lambda(Process *c_p, + struct erl_fun_entry*); /* * Layout of the line table. diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index f4ca689040..230ca6ccbb 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -4153,9 +4153,9 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp) ASSERT(IS_LAST_BLK(blk)); #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG - (*allctr->link_free_block)(allctr, blk, 0); + (*allctr->link_free_block)(allctr, blk); HARD_CHECK_BLK_CARRIER(allctr, blk); - (*allctr->unlink_free_block)(allctr, blk, 0); + (*allctr->unlink_free_block)(allctr, blk); #endif } #endif @@ -6440,11 +6440,6 @@ check_blk_carrier(Allctr_t *allctr, Block_t *iblk) ASSERT(SBC2BLK(allctr, sbc) == iblk); ASSERT(CARRIER_SZ(sbc) - SBC_HEADER_SIZE >= SBC_BLK_SZ(iblk)); -#if HAVE_ERTS_MSEG - if (IS_MSEG_CARRIER(sbc)) { - ASSERT(CARRIER_SZ(sbc) % ERTS_SACRR_UNIT_SZ == 0); - } -#endif crr = sbc; cl = &allctr->sbc_list; } diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c index 66e5146da0..96275eb228 100644 --- a/erts/emulator/beam/erl_bif_trace.c +++ b/erts/emulator/beam/erl_bif_trace.c @@ -512,7 +512,7 @@ start_trace(Process *c_p, ErtsTracer tracer, && !ERTS_TRACER_COMPARE(ERTS_TRACER(port), tracer)) { /* This tracee is already being traced, and not by the * tracer to be */ - if (erts_is_tracer_enabled(tracer, common)) { + if (erts_is_tracer_enabled(ERTS_TRACER(port), common)) { /* The tracer is still in use */ return 1; } @@ -715,8 +715,8 @@ Eterm erts_internal_trace_3(BIF_ALIST_3) Process* tracee_p = erts_pix2proc(i); if (! tracee_p) continue; - start_trace(p, tracer, &tracee_p->common, on, mask); - matches++; + if (!start_trace(p, tracer, &tracee_p->common, on, mask)) + matches++; } } if (ports || mods) { @@ -730,8 +730,8 @@ Eterm erts_internal_trace_3(BIF_ALIST_3) state = erts_atomic32_read_nob(&tracee_port->state); if (state & ERTS_PORT_SFLGS_DEAD) continue; - start_trace(p, tracer, &tracee_port->common, on, mask); - matches++; + if (!start_trace(p, tracer, &tracee_port->common, on, mask)) + matches++; } } } diff --git a/erts/emulator/beam/erl_fun.c b/erts/emulator/beam/erl_fun.c index dad77071b3..d0a57f0ad0 100644 --- a/erts/emulator/beam/erl_fun.c +++ b/erts/emulator/beam/erl_fun.c @@ -236,7 +236,6 @@ erts_fun_purge_abort_prepare(ErlFunEntry **funs, Uint no) ErlFunEntry *fe = funs[ix]; if (fe->address == unloaded_fun) fe->address = fe->pend_purge_address; - fe->pend_purge_address = NULL; } } diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 6f641a1ea7..af799d09da 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -2325,6 +2325,11 @@ move_msgq_to_heap(Process *p) static Uint setup_rootset(Process *p, Eterm *objv, int nobj, Rootset *rootset) { + /* + * NOTE! + * Remember to update offset_rootset() when changing + * this function. + */ Roots* roots; Uint n; @@ -2969,6 +2974,12 @@ offset_one_rootset(Process *p, Sint offs, char* area, Uint area_size, offset_heap_ptr(objv, nobj, offs, area, area_size); } offset_off_heap(p, offs, area, area_size); + if (ERTS_PROC_GET_NIF_TRAP_EXPORT(p)) { + Eterm* argv; + int argc; + if (erts_setup_nif_gc(p, &argv, &argc)) + offset_heap_ptr(argv, argc, offs, area, area_size); + } } static void diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 20b6c76cb7..6b265a8b80 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -2309,6 +2309,17 @@ erts_setup_nif_gc(Process* proc, Eterm** objv, int* nobj) return gc; } +int +erts_check_nif_export_in_area(Process *p, char *start, Uint size) +{ + NifExport *nep = ERTS_PROC_GET_NIF_TRAP_EXPORT(p); + if (!nep || !nep->saved_current) + return 0; + if (ErtsInArea(nep->saved_current, start, size)) + return 1; + return 0; +} + /* * Allocate a NifExport and set it in proc specific data */ @@ -2360,6 +2371,7 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec Eterm* reg; NifExport* ep; int i, scheduler; + int orig_argc; execution_state(env, &proc, &scheduler); @@ -2370,11 +2382,14 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec reg = erts_proc_sched_data(proc)->x_reg_array; + ASSERT(!need_save || proc->current); + orig_argc = need_save ? (int) proc->current[2] : 0; + ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); if (!ep) - ep = allocate_nif_sched_data(proc, argc); - else if (need_save && ep->rootset_extra < argc) { - NifExport* new_ep = allocate_nif_sched_data(proc, argc); + ep = allocate_nif_sched_data(proc, orig_argc); + else if (need_save && ep->rootset_extra < orig_argc) { + NifExport* new_ep = allocate_nif_sched_data(proc, orig_argc); destroy_nif_export(ep); ep = new_ep; } @@ -2387,16 +2402,14 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec } if (scheduler > 0) ERTS_VBUMP_ALL_REDS(proc); - for (i = 0; i < argc; i++) { - if (need_save) - ep->rootset[i+1] = reg[i]; - reg[i] = (Eterm) argv[i]; - } if (need_save) { - ASSERT(proc->current); ep->saved_current = proc->current; - ep->saved_argc = argc; + ep->saved_argc = orig_argc; + for (i = 0; i < orig_argc; i++) + ep->rootset[i+1] = reg[i]; } + for (i = 0; i < argc; i++) + reg[i] = (Eterm) argv[i]; proc->i = (BeamInstr*) ep->exp.addressv[0]; ep->exp.code[0] = (BeamInstr) proc->current[0]; ep->exp.code[1] = (BeamInstr) proc->current[1]; @@ -3360,7 +3373,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) veto = entry->reload(&env, &lib->priv_data, BIF_ARG_2); erts_post_nif(&env); if (veto) { - ret = load_nif_error(BIF_P, reload, "Library reload-call unsuccessful."); + ret = load_nif_error(BIF_P, reload, "Library reload-call unsuccessful (%d).", veto); } else { commit_opened_resource_types(lib); @@ -3382,7 +3395,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) erts_post_nif(&env); if (veto) { prev_mi->nif->priv_data = prev_old_data; - ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful."); + ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful (%d).", veto); } else commit_opened_resource_types(lib); @@ -3392,7 +3405,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) veto = entry->load(&env, &lib->priv_data, BIF_ARG_2); erts_post_nif(&env); if (veto) { - ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful."); + ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful (%d).", veto); } else commit_opened_resource_types(lib); diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index b989d3be7a..b345c35a7e 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -154,6 +154,7 @@ int ERTS_WRITE_UNLIKELY(erts_eager_check_io) = 1; int ERTS_WRITE_UNLIKELY(erts_sched_compact_load); int ERTS_WRITE_UNLIKELY(erts_sched_balance_util) = 0; Uint ERTS_WRITE_UNLIKELY(erts_no_schedulers); +Uint ERTS_WRITE_UNLIKELY(erts_no_total_schedulers); Uint ERTS_WRITE_UNLIKELY(erts_no_dirty_cpu_schedulers) = 0; Uint ERTS_WRITE_UNLIKELY(erts_no_dirty_io_schedulers) = 0; @@ -5908,9 +5909,12 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online n = (int) no_schedulers; erts_no_schedulers = n; + erts_no_total_schedulers = n; #ifdef ERTS_DIRTY_SCHEDULERS erts_no_dirty_cpu_schedulers = no_dirty_cpu_schedulers; + erts_no_total_schedulers += no_dirty_cpu_schedulers; erts_no_dirty_io_schedulers = no_dirty_io_schedulers; + erts_no_total_schedulers += no_dirty_io_schedulers; #endif /* Create and initialize scheduler sleep info */ @@ -6271,7 +6275,11 @@ check_dirty_enqueue_in_prio_queue(Process *c_p, return -1*queue; } - *newp |= ERTS_PSFLG_IN_RUNQ; + /* + * Enqueue using process struct. + */ + *newp &= ~ERTS_PSFLGS_PRQ_PRIO_MASK; + *newp |= ERTS_PSFLG_IN_RUNQ | (aprio << ERTS_PSFLGS_PRQ_PRIO_OFFSET); return queue; } @@ -6683,15 +6691,8 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st, erts_aint32_t fail_state, state, a, n, enq_prio; int enqueue; /* < 0 -> use proxy */ unsigned int prof_runnable_procs; - int strict_fail_state; fail_state = *fail_state_p; - /* - * If fail state something other than just exiting process, - * ensure that the task wont be scheduled when the - * receiver is in the failure state. - */ - strict_fail_state = fail_state != ERTS_PSFLG_EXITING; res = 1; /* prepare for success */ st->next = st->prev = st; /* Prep for empty prio queue */ @@ -6773,7 +6774,7 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st, /* Status lock prevents out of order "runnable proc" trace msgs */ ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_STATUS & erts_proc_lc_my_proc_locks(p)); - if (!prof_runnable_procs && !strict_fail_state) { + if (!prof_runnable_procs) { erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); locked = 0; } @@ -6784,11 +6785,6 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st, erts_aint32_t e; n = e = a; - if (strict_fail_state && (a & fail_state)) { - *fail_state_p = (a & fail_state); - goto cleanup; - } - if (a & ERTS_PSFLG_FREE) goto cleanup; /* We don't want to schedule free processes... */ @@ -12401,6 +12397,8 @@ send_exit_signal(Process *c_p, /* current process if and only else if (!(state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS))) { /* Process not running ... */ ErtsProcLocks need_locks = ~(*rp_locks) & ERTS_PROC_LOCKS_ALL; + ErlHeapFragment *bp = NULL; + Eterm rsn_cpy; if (need_locks && erts_smp_proc_trylock(rp, need_locks) == EBUSY) { /* ... but we havn't got all locks on it ... */ @@ -12413,12 +12411,32 @@ send_exit_signal(Process *c_p, /* current process if and only } /* ...and we have all locks on it... */ *rp_locks = ERTS_PROC_LOCKS_ALL; - set_proc_exiting(rp, - state, - (is_immed(rsn) - ? rsn - : copy_object(rsn, rp)), - NULL); + + state = erts_smp_atomic32_read_nob(&rp->state); + + if (is_immed(rsn)) + rsn_cpy = rsn; + else { + Eterm *hp; + ErlOffHeap *ohp; + Uint rsn_sz = size_object(rsn); +#ifdef ERTS_DIRTY_SCHEDULERS + if (state & (ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS)) { + bp = new_message_buffer(rsn_sz); + ohp = &bp->off_heap; + hp = &bp->mem[0]; + } + else +#endif + { + hp = HAlloc(rp, rsn_sz); + ohp = &rp->off_heap; + } + rsn_cpy = copy_struct(rsn, rsn_sz, &hp, ohp); + } + + set_proc_exiting(rp, state, rsn_cpy, bp); } else { /* Process running... */ diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 9e5121abd5..9f7084c127 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -111,6 +111,7 @@ extern int erts_eager_check_io; extern int erts_sched_compact_load; extern int erts_sched_balance_util; extern Uint erts_no_schedulers; +extern Uint erts_no_total_schedulers; #ifdef ERTS_DIRTY_SCHEDULERS extern Uint erts_no_dirty_cpu_schedulers; extern Uint erts_no_dirty_io_schedulers; @@ -1586,6 +1587,7 @@ Uint64 erts_step_proc_interval(void); int erts_setup_nif_gc(Process* proc, Eterm** objv, int* nobj); /* see erl_nif.c */ void erts_destroy_nif_export(void *); /* see erl_nif.c */ +int erts_check_nif_export_in_area(Process *p, char *start, Uint size); ErtsProcList *erts_proclist_create(Process *); ErtsProcList *erts_proclist_copy(ErtsProcList *); diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c index 3336fded7a..dcb6c35bfa 100644 --- a/erts/emulator/hipe/hipe_bif0.c +++ b/erts/emulator/hipe/hipe_bif0.c @@ -1476,6 +1476,10 @@ int hipe_find_mfa_from_ra(const void *ra, Eterm *m, Eterm *f, unsigned int *a) struct hipe_mfa_info **bucket; unsigned int i, nrbuckets; + if (hipe_is_ra_mode_switch(ra)) { + return 0; + } + /* Note about locking: the table is only updated from the loader, which runs with the rest of the system suspended. */ /* XXX: alas not true; see comment at hipe_mfa_info_table.lock */ diff --git a/erts/emulator/hipe/hipe_mode_switch.h b/erts/emulator/hipe/hipe_mode_switch.h index c40077d558..e54b81cf78 100644 --- a/erts/emulator/hipe/hipe_mode_switch.h +++ b/erts/emulator/hipe/hipe_mode_switch.h @@ -64,6 +64,7 @@ Eterm hipe_build_stacktrace(Process *p, struct StackTrace *s); ERTS_GLB_INLINE void hipe_reserve_beam_trap_frame(Process*, Eterm reg[], unsigned arity); ERTS_GLB_INLINE void hipe_unreserve_beam_trap_frame(Process*); +ERTS_GLB_INLINE int hipe_is_ra_mode_switch(const void* ra); extern Uint hipe_beam_pc_return[]; extern Uint hipe_beam_pc_throw[]; @@ -112,6 +113,11 @@ ERTS_GLB_INLINE void hipe_unreserve_beam_trap_frame(Process *p) p->stop += 2; } +ERTS_GLB_INLINE int hipe_is_ra_mode_switch(const void* ra) +{ + return ra == nbif_return; +} + #endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */ #endif /* ASM */ diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 4e0f2e6de3..51366adf1d 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -670,7 +670,7 @@ sigusr1_exit(void) } prepare_crash_dump(secs); - erts_exit(ERTS_ERROR_EXIT, "Received SIGUSR1\n"); + erts_exit(ERTS_DUMP_EXIT, "Received SIGUSR1\n"); } #ifdef ETHR_UNUSABLE_SIGUSRX @@ -713,13 +713,13 @@ static RETSIGTYPE suspend_signal(void) static RETSIGTYPE suspend_signal(int signum) #endif { - int res, buf[1], __errno = errno; + int res, buf[1], tmp_errno = errno; do { res = read(sig_suspend_fds[0], buf, sizeof(int)); } while (res < 0 && errno == EINTR); /* restore previous errno in case read changed it */ - errno = __errno; + errno = tmp_errno; } #endif /* #ifdef ERTS_SYS_SUSPEND_SIGNAL */ diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl index 4323849465..d4e77d634a 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -976,21 +976,21 @@ try_bad_env(Env) -> %% Test that we can handle a very very large environment gracefully. huge_env(Config) when is_list(Config) -> ct:timetrap({minutes, 2}), - Vars = case os:type() of - {win32,_} -> 500; - _ -> - %% We create a huge environment, - %% 20000 variables is about 25MB - %% which seems to be the limit on Linux. - 20000 - end, + {Vars, Cmd} = case os:type() of + {win32,_} -> {500, "cmd /q /c ls"}; + _ -> + %% We create a huge environment, + %% 20000 variables is about 25MB + %% which seems to be the limit on Linux. + {20000, "ls"} + end, Env = [{[$a + I div (25*25*25*25) rem 25, $a + I div (25*25*25) rem 25, $a + I div (25*25) rem 25, $a+I div 25 rem 25, $a+I rem 25], lists:duplicate(100,$a+I rem 25)} || I <- lists:seq(1,Vars)], - try erlang:open_port({spawn,"ls"},[exit_status, {env, Env}]) of + try erlang:open_port({spawn,Cmd},[exit_status, {env, Env}]) of P -> receive {P, {exit_status,N}} = M -> @@ -1009,7 +1009,10 @@ huge_env(Config) when is_list(Config) -> %% Test to spawn program with command payload buffer %% just around pipe capacity (9f779819f6bda734c5953468f7798) pipe_limit_env(Config) when is_list(Config) -> - Cmd = "true", + Cmd = case os:type() of + {win32,_} -> "cmd /q /c true"; + _ -> "true" + end, CmdSize = command_payload_size(Cmd), Limits = [4096, 16384, 65536], % Try a couple of common pipe buffer sizes @@ -1026,7 +1029,7 @@ pipe_limit_env_do(Bytes, Cmd, CmdSize) -> try erlang:open_port({spawn,Cmd},[exit_status, {env, Env}]) of P -> receive - {P, {exit_status,N}} = M -> + {P, {exit_status,N}} -> %% Bug caused exit_status 150 (EINVAL+128) 0 = N end diff --git a/erts/emulator/test/trace_SUITE.erl b/erts/emulator/test/trace_SUITE.erl index da6a6bdea4..f846b0f4b9 100644 --- a/erts/emulator/test/trace_SUITE.erl +++ b/erts/emulator/test/trace_SUITE.erl @@ -30,7 +30,7 @@ procs_trace/1, dist_procs_trace/1, procs_new_trace/1, suspend/1, mutual_suspend/1, suspend_exit/1, suspender_exit/1, suspend_system_limit/1, suspend_opts/1, suspend_waiting/1, - new_clear/1, existing_clear/1, + new_clear/1, existing_clear/1, tracer_die/1, set_on_spawn/1, set_on_first_spawn/1, cpu_timestamp/1, set_on_link/1, set_on_first_link/1, system_monitor_args/1, more_system_monitor_args/1, @@ -54,7 +54,7 @@ all() -> send_trace, procs_trace, dist_procs_trace, suspend, mutual_suspend, suspend_exit, suspender_exit, suspend_system_limit, suspend_opts, suspend_waiting, - new_clear, existing_clear, set_on_spawn, + new_clear, existing_clear, tracer_die, set_on_spawn, set_on_first_spawn, set_on_link, set_on_first_link, system_monitor_args, more_system_monitor_args, system_monitor_long_gc_1, @@ -1636,6 +1636,34 @@ existing_clear(Config) when is_list(Config) -> ok. +%% Test that erlang:trace/3 can be called on processes where the +%% tracer has died. OTP-13928 +tracer_die(Config) when is_list(Config) -> + Proc = spawn(fun receiver/0), + + Tracer = spawn(fun receiver/0), + timer:sleep(1), + N = erlang:trace(existing, true, [send, {tracer, Tracer}]), + {flags, [send]} = erlang:trace_info(Proc, flags), + {tracer, Tracer} = erlang:trace_info(Proc, tracer), + exit(Tracer, die), + + Tracer2 = spawn(fun receiver/0), + timer:sleep(1), + N = erlang:trace(existing, true, [send, {tracer, Tracer2}]), + {flags, [send]} = erlang:trace_info(Proc, flags), + {tracer, Tracer2} = erlang:trace_info(Proc, tracer), + exit(Tracer2, die), + + Tracer3 = spawn(fun receiver/0), + timer:sleep(1), + 1 = erlang:trace(Proc, true, [send, {tracer, Tracer3}]), + {flags, [send]} = erlang:trace_info(Proc, flags), + {tracer, Tracer3} = erlang:trace_info(Proc, tracer), + exit(Tracer3, die), + + ok. + %% Test that an invalid flag cause badarg bad_flag(Config) when is_list(Config) -> %% A bad flag could deadlock the SMP emulator in erts-5.5 |