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-rw-r--r--erts/emulator/beam/beam_emu.c230
-rw-r--r--erts/emulator/beam/erl_bif_info.c4
-rw-r--r--erts/emulator/beam/erl_process.c80
-rw-r--r--erts/emulator/beam/erl_process.h2
-rw-r--r--erts/emulator/sys/unix/sys.c40
-rw-r--r--erts/emulator/test/bif_SUITE.erl173
-rw-r--r--erts/emulator/test/call_trace_SUITE.erl6
-rw-r--r--erts/emulator/test/code_SUITE.erl2
-rw-r--r--erts/emulator/test/emulator_smoke.spec12
-rw-r--r--erts/emulator/test/port_SUITE.erl2
-rw-r--r--erts/emulator/test/process_SUITE.erl11
11 files changed, 485 insertions, 77 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 59a9ea1417..66bccedd94 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]);
@@ -5844,12 +5846,13 @@ 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 +5948,30 @@ 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 +6091,15 @@ 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 +6109,9 @@ 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 +6130,10 @@ 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 +6230,107 @@ 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 +6355,54 @@ 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 +6440,14 @@ 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 +6477,10 @@ 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 +6495,7 @@ 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()];
}
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 735aabbee3..88a052cad7 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -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_process.c b/erts/emulator/beam/erl_process.c
index fba81db1cd..cd0a2b2a21 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -7089,12 +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);
}
}
@@ -7103,17 +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);
}
}
@@ -7224,15 +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;
+ }
}
}
}
@@ -7431,12 +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)
@@ -7569,7 +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
@@ -7967,21 +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;
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/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 4b2edace0a..2fc802a2c6 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -407,6 +407,7 @@ 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 +656,40 @@ 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 +786,7 @@ 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 +812,7 @@ 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 +1326,9 @@ 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/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/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl
index 0f999e0efe..2289cbabc7 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,