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-rw-r--r--erts/doc/src/erl.xml19
-rw-r--r--erts/doc/src/erlang.xml8
-rw-r--r--erts/doc/src/notes.xml27
-rw-r--r--erts/emulator/beam/beam_bif_load.c27
-rw-r--r--erts/emulator/beam/beam_bp.c60
-rw-r--r--erts/emulator/beam/beam_bp.h6
-rw-r--r--erts/emulator/beam/beam_emu.c239
-rw-r--r--erts/emulator/beam/beam_load.c11
-rw-r--r--erts/emulator/beam/erl_bif_info.c4
-rw-r--r--erts/emulator/beam/erl_bif_trace.c7
-rw-r--r--erts/emulator/beam/erl_gc.c198
-rw-r--r--erts/emulator/beam/erl_gc.h1
-rw-r--r--erts/emulator/beam/erl_hl_timer.c5
-rw-r--r--erts/emulator/beam/erl_lock_check.c2
-rw-r--r--erts/emulator/beam/erl_message.c2
-rw-r--r--erts/emulator/beam/erl_process.c258
-rw-r--r--erts/emulator/beam/erl_process.h2
-rw-r--r--erts/emulator/beam/erl_process_dump.c3
-rw-r--r--erts/emulator/beam/export.c2
-rw-r--r--erts/emulator/beam/index.c9
-rw-r--r--erts/emulator/beam/index.h14
-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/port_SUITE_data/Makefile.src6
-rw-r--r--erts/emulator/test/port_SUITE_data/port_test.c16
-rw-r--r--erts/emulator/test/process_SUITE.erl21
-rw-r--r--erts/etc/common/heart.c40
-rw-r--r--erts/etc/unix/etp-commands.in12
-rw-r--r--erts/vsn.mk2
33 files changed, 918 insertions, 318 deletions
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/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 da6190b685..812538729d 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -32,6 +32,26 @@
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 8.2.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix a quite rare bug causing VM crash during code loading
+ and the use of export funs (fun M:F/A) of not yet loaded
+ modules. Requires a very specfic timing of concurrent
+ scheduler threads. Has been seen on ARM but can probably
+ also occure on other architectures. Bug has existed since
+ OTP R16.</p>
+ <p>
+ Own Id: OTP-14144 Aux Id: seq13242 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 8.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
@@ -145,13 +165,6 @@
<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 ea1323d651..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);
@@ -786,7 +786,7 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2)
}
if (BIF_ARG_2 == am_true) {
- int i;
+ int i, num_exps;
/*
* Make the code with the on_load function current.
@@ -802,7 +802,8 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2)
/*
* The on_load function succeded. Fix up export entries.
*/
- for (i = 0; i < export_list_size(code_ix); i++) {
+ num_exps = export_list_size(code_ix);
+ for (i = 0; i < num_exps; i++) {
Export *ep = export_list(i,code_ix);
if (ep == NULL || ep->code[0] != BIF_ARG_1) {
continue;
@@ -822,14 +823,15 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2)
modp->curr.code_hdr->on_load_function_ptr = NULL;
set_default_trace_pattern(BIF_ARG_1);
} else if (BIF_ARG_2 == am_false) {
- int i;
+ int i, num_exps;
/*
* The on_load function failed. Remove references to the
* code that is about to be purged from the export entries.
*/
- for (i = 0; i < export_list_size(code_ix); i++) {
+ num_exps = export_list_size(code_ix);
+ for (i = 0; i < num_exps; i++) {
Export *ep = export_list(i,code_ix);
if (ep == NULL || ep->code[0] != BIF_ARG_1) {
continue;
@@ -995,6 +997,12 @@ erts_proc_copy_literal_area(Process *c_p, int *redsp, int fcalls, int gc_allowed
if (any_heap_refs(c_p->heap, c_p->htop, literals, lit_bsize))
goto literal_gc;
*redsp += 1;
+ if (c_p->abandoned_heap) {
+ if (any_heap_refs(c_p->abandoned_heap, c_p->abandoned_heap + c_p->heap_sz,
+ literals, lit_bsize))
+ goto literal_gc;
+ *redsp += 1;
+ }
if (any_heap_refs(c_p->old_heap, c_p->old_htop, literals, lit_bsize))
goto literal_gc;
@@ -1295,6 +1303,11 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls
#endif
if (any_heap_refs(rp->heap, rp->htop, literals, lit_bsize))
goto try_literal_gc;
+ if (rp->abandoned_heap) {
+ if (any_heap_refs(rp->abandoned_heap, rp->abandoned_heap + rp->heap_sz,
+ literals, lit_bsize))
+ goto try_literal_gc;
+ }
if (any_heap_refs(rp->old_heap, rp->old_htop, literals, lit_bsize))
goto try_literal_gc;
@@ -2022,9 +2035,9 @@ delete_code(Module* modp)
{
ErtsCodeIndex code_ix = erts_staging_code_ix();
Eterm module = make_atom(modp->module);
- int i;
+ int i, num_exps = export_list_size(code_ix);
- for (i = 0; i < export_list_size(code_ix); i++) {
+ for (i = 0; i < num_exps; i++) {
Export *ep = export_list(i, code_ix);
if (ep != NULL && (ep->code[0] == module)) {
if (ep->addressv[code_ix] == ep->code+3) {
diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c
index bbb2e4f34f..0df2df0eaa 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
}
@@ -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);
}
/* *************************************************************************
@@ -1517,7 +1561,11 @@ 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;
+#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);
diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h
index 7206ef471a..4743e4fc2f 100644
--- a/erts/emulator/beam/beam_bp.h
+++ b/erts/emulator/beam/beam_bp.h
@@ -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..f392feb06b 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()];
}
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 0afdedf6c2..3f2bdf3f9d 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -797,14 +797,14 @@ erts_finish_loading(Binary* magic, Process* c_p,
} else {
ErtsCodeIndex code_ix = erts_staging_code_ix();
Eterm module = stp->module;
- int i;
+ int i, num_exps;
/*
* There is an -on_load() function. We will keep the current
* code, but we must turn off any tracing.
*/
-
- for (i = 0; i < export_list_size(code_ix); i++) {
+ num_exps = export_list_size(code_ix);
+ for (i = 0; i < num_exps; i++) {
Export *ep = export_list(i, code_ix);
if (ep == NULL || ep->code[0] != module) {
continue;
@@ -5754,12 +5754,13 @@ exported_from_module(Process* p, /* Process whose heap to use. */
ErtsCodeIndex code_ix,
Eterm mod) /* Tagged atom for module. */
{
- int i;
+ int i, num_exps;
Eterm* hp = NULL;
Eterm* hend = NULL;
Eterm result = NIL;
- for (i = 0; i < export_list_size(code_ix); i++) {
+ num_exps = export_list_size(code_ix);
+ for (i = 0; i < num_exps; i++) {
Export* ep = export_list(i,code_ix);
if (ep->code[0] == mod) {
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_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_gc.c b/erts/emulator/beam/erl_gc.c
index 46be91c5d5..669f2bc610 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -114,7 +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,
@@ -157,7 +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
@@ -180,6 +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)
{
@@ -263,6 +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();
}
@@ -481,24 +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... */
@@ -560,17 +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;
}
@@ -739,8 +749,19 @@ 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;
@@ -793,6 +814,7 @@ 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.
@@ -839,11 +861,11 @@ 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;
@@ -878,8 +900,6 @@ 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;
@@ -1498,22 +1518,16 @@ 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);
}
/*
@@ -1602,13 +1616,12 @@ 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;
@@ -1617,11 +1630,6 @@ 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);
@@ -1774,22 +1782,56 @@ 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
/*
@@ -1801,19 +1843,15 @@ 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;
@@ -3021,6 +3059,18 @@ 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;
@@ -3301,13 +3351,15 @@ 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;
}
diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h
index 49cc43a48f..2521379664 100644
--- a/erts/emulator/beam/erl_gc.h
+++ b/erts/emulator/beam/erl_gc.h
@@ -153,5 +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_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..f45e6974cd 100644
--- a/erts/emulator/beam/erl_message.c
+++ b/erts/emulator/beam/erl_message.c
@@ -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_process.c b/erts/emulator/beam/erl_process.c
index b345c35a7e..41741764e8 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 +9632,45 @@ 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;
- ERTS_PROC_REDUCTIONS_EXECUTED(esdp, rq,
- (int) ERTS_PSFLGS_GET_USR_PRIO(state),
- reds,
- actual_reds);
+ /* schedule_out_process() returns with rq locked! */
+ dec_refc = schedule_out_process(rq, state, p,
+ proxy_p, is_normal_sched);
+ proxy_p = NULL;
- esdp->current_process = NULL;
+ ERTS_PROC_REDUCTIONS_EXECUTED(esdp, rq,
+ (int) ERTS_PSFLGS_GET_USR_PRIO(state),
+ reds,
+ actual_reds);
+
+ esdp->current_process = NULL;
#ifdef ERTS_SMP
- p->scheduler_data = NULL;
+ 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 +9946,12 @@ 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 +9983,7 @@ 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 +10016,8 @@ 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;
@@ -11912,7 +11969,6 @@ 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 +12023,8 @@ delete_process(Process* p)
hipe_delete_process(&p->hipe);
#endif
- heap = p->abandoned_heap ? p->abandoned_heap : p->heap;
+ erts_deallocate_young_generation(p);
-#ifdef DEBUG
- sys_memset(heap, DEBUG_BAD_BYTE, p->heap_sz*sizeof(Eterm));
-#endif
-
- ERTS_HEAP_FREE(ERTS_ALC_T_HEAP, (void*) heap, p->heap_sz*sizeof(Eterm));
if (p->old_heap != NULL) {
#ifdef DEBUG
@@ -11985,16 +12036,6 @@ 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 +13132,14 @@ 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..a19db74763 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)
diff --git a/erts/emulator/beam/export.c b/erts/emulator/beam/export.c
index 7f043e191b..00fa452f79 100644
--- a/erts/emulator/beam/export.c
+++ b/erts/emulator/beam/export.c
@@ -348,7 +348,7 @@ Export *export_list(int i, ErtsCodeIndex code_ix)
int export_list_size(ErtsCodeIndex code_ix)
{
- return export_tables[code_ix].entries;
+ return erts_index_num_entries(&export_tables[code_ix]);
}
int export_table_sz(void)
diff --git a/erts/emulator/beam/index.c b/erts/emulator/beam/index.c
index c86a2122f6..cd834e2c12 100644
--- a/erts/emulator/beam/index.c
+++ b/erts/emulator/beam/index.c
@@ -91,9 +91,16 @@ index_put_entry(IndexTable* t, void* tmpl)
t->seg_table[ix>>INDEX_PAGE_SHIFT] = erts_alloc(t->type, sz);
t->size += INDEX_PAGE_SIZE;
}
- t->entries++;
p->index = ix;
t->seg_table[ix>>INDEX_PAGE_SHIFT][ix&INDEX_PAGE_MASK] = p;
+
+ /*
+ * Do a write barrier here to allow readers to do lock free iteration.
+ * erts_index_num_entries() does matching read barrier.
+ */
+ ERTS_SMP_WRITE_MEMORY_BARRIER;
+ t->entries++;
+
return p;
}
diff --git a/erts/emulator/beam/index.h b/erts/emulator/beam/index.h
index b2e3c0eab5..10f5d1eb39 100644
--- a/erts/emulator/beam/index.h
+++ b/erts/emulator/beam/index.h
@@ -65,6 +65,7 @@ void index_erase_latest_from(IndexTable*, Uint ix);
ERTS_GLB_INLINE int index_put(IndexTable*, void*);
ERTS_GLB_INLINE IndexSlot* erts_index_lookup(IndexTable*, Uint);
+ERTS_GLB_INLINE int erts_index_num_entries(IndexTable* t);
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
@@ -78,6 +79,19 @@ erts_index_lookup(IndexTable* t, Uint ix)
{
return t->seg_table[ix>>INDEX_PAGE_SHIFT][ix&INDEX_PAGE_MASK];
}
+
+ERTS_GLB_INLINE int erts_index_num_entries(IndexTable* t)
+{
+ int ret = t->entries;
+ /*
+ * Do a read barrier here to allow lock free iteration
+ * on tables where entries are never erased.
+ * index_put_entry() does matching write barrier.
+ */
+ ERTS_SMP_READ_MEMORY_BARRIER;
+ return ret;
+}
+
#endif
#endif
diff --git a/erts/emulator/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/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/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/vsn.mk b/erts/vsn.mk
index af0be85062..028b114068 100644
--- a/erts/vsn.mk
+++ b/erts/vsn.mk
@@ -18,7 +18,7 @@
# %CopyrightEnd%
#
-VSN = 8.2
+VSN = 8.2.1
# Port number 4365 in 4.2
# Port number 4366 in 4.3