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authorMicael Karlberg <[email protected]>2011-02-28 11:44:35 +0100
committerMicael Karlberg <[email protected]>2011-02-28 11:44:35 +0100
commit26eae94979083f6ae272b76589bce256b792e487 (patch)
tree1ac07672c29efd352f2009908c1b441a31b74c24 /erts/emulator/beam
parent9671856faa243ee4567f4059fba28fd85b5d9baa (diff)
parente170c7f2ce8e0ac2cd45c922afc138305ca34b79 (diff)
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Merge branch 'dev' into bmk/megaco/miscellaneous_dialyzer/OTP-9075
Had to fix a bunch of CopyRight end-dates (in erts files)...
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/beam_emu.c31
-rw-r--r--erts/emulator/beam/erl_alloc.c27
-rw-r--r--erts/emulator/beam/erl_alloc.h5
-rw-r--r--erts/emulator/beam/erl_alloc_util.c32
-rw-r--r--erts/emulator/beam/erl_alloc_util.h3
-rw-r--r--erts/emulator/beam/erl_cpu_topology.c20
-rw-r--r--erts/emulator/beam/erl_process.c16
-rw-r--r--erts/emulator/beam/erl_process.h25
-rw-r--r--erts/emulator/beam/erl_threads.h67
-rw-r--r--erts/emulator/beam/sys.h15
10 files changed, 220 insertions, 21 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 12a8022861..af7ed064d3 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -321,6 +321,7 @@ extern int count_instructions;
# define POST_BIF_GC_SWAPIN_0(_p, _res) \
ERTS_SMP_REQ_PROC_MAIN_LOCK((_p)); \
PROCESS_MAIN_CHK_LOCKS((_p)); \
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC((_p)); \
if (((_p)->mbuf) || (MSO(_p).overhead >= BIN_VHEAP_SZ(_p)) ) { \
_res = erts_gc_after_bif_call((_p), (_res), NULL, 0); \
E = (_p)->stop; \
@@ -328,6 +329,7 @@ extern int count_instructions;
HTOP = HEAP_TOP((_p))
# define POST_BIF_GC_SWAPIN(_p, _res, _regs, _arity) \
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC((_p)); \
ERTS_SMP_REQ_PROC_MAIN_LOCK((_p)); \
PROCESS_MAIN_CHK_LOCKS((_p)); \
if (((_p)->mbuf) || (MSO(_p).overhead >= BIN_VHEAP_SZ(_p)) ) { \
@@ -367,6 +369,7 @@ extern int count_instructions;
reg[0] = r(0); \
PROCESS_MAIN_CHK_LOCKS(c_p); \
FCALLS -= erts_garbage_collect(c_p, needed + (HeapNeed), reg, (M)); \
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); \
PROCESS_MAIN_CHK_LOCKS(c_p); \
r(0) = reg[0]; \
SWAPIN; \
@@ -420,6 +423,7 @@ extern int count_instructions;
reg[0] = r(0); \
PROCESS_MAIN_CHK_LOCKS(c_p); \
FCALLS -= erts_garbage_collect(c_p, need, reg, (Live)); \
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); \
PROCESS_MAIN_CHK_LOCKS(c_p); \
r(0) = reg[0]; \
SWAPIN; \
@@ -442,6 +446,7 @@ extern int count_instructions;
reg[0] = r(0); \
PROCESS_MAIN_CHK_LOCKS(c_p); \
FCALLS -= erts_garbage_collect(c_p, need, reg, (Live)); \
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); \
PROCESS_MAIN_CHK_LOCKS(c_p); \
r(0) = reg[0]; \
SWAPIN; \
@@ -464,6 +469,7 @@ extern int count_instructions;
reg[Live] = Extra; \
PROCESS_MAIN_CHK_LOCKS(c_p); \
FCALLS -= erts_garbage_collect(c_p, need, reg, (Live)+1); \
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); \
PROCESS_MAIN_CHK_LOCKS(c_p); \
if (Live > 0) { \
r(0) = reg[0]; \
@@ -1214,7 +1220,9 @@ void process_main(void)
do_schedule1:
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
c_p = schedule(c_p, reds_used);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
#ifdef DEBUG
pid = c_p->id;
#endif
@@ -1664,6 +1672,7 @@ void process_main(void)
SWAPOUT;
PROCESS_MAIN_CHK_LOCKS(c_p);
FCALLS -= erts_garbage_collect(c_p, 3, reg+2, 1);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
SWAPIN;
}
@@ -1782,6 +1791,7 @@ void process_main(void)
PROCESS_MAIN_CHK_LOCKS(c_p);
},
{
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
r(0) = reg[0];
SWAPIN;
@@ -1840,6 +1850,7 @@ void process_main(void)
CANCEL_TIMER(c_p);
free_message(msgp);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
NextPF(0, next);
@@ -2230,6 +2241,7 @@ void process_main(void)
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
result = (*bf)(c_p, arg);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_HOLE_CHECK(c_p);
FCALLS = c_p->fcalls;
@@ -2258,6 +2270,7 @@ void process_main(void)
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
result = (*bf)(c_p, arg);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_HOLE_CHECK(c_p);
FCALLS = c_p->fcalls;
@@ -2287,6 +2300,7 @@ void process_main(void)
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
result = (*bf)(c_p, reg, live);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
SWAPIN;
@@ -2322,6 +2336,7 @@ void process_main(void)
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
result = (*bf)(c_p, reg, live);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
SWAPIN;
@@ -2360,6 +2375,7 @@ void process_main(void)
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
result = (*bf)(c_p, reg, live);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
SWAPIN;
@@ -2394,6 +2410,7 @@ void process_main(void)
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
result = (*bf)(c_p, tmp_arg1, tmp_arg2);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_HOLE_CHECK(c_p);
FCALLS = c_p->fcalls;
@@ -2417,6 +2434,7 @@ void process_main(void)
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
result = (*bf)(c_p, tmp_arg1, tmp_arg2);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result));
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
ERTS_HOLE_CHECK(c_p);
if (is_value(result)) {
@@ -3287,6 +3305,7 @@ void process_main(void)
PROCESS_MAIN_CHK_LOCKS(c_p);
bif_nif_arity = I[-1];
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
{
@@ -3300,6 +3319,7 @@ void process_main(void)
}
ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(nif_bif_result));
PROCESS_MAIN_CHK_LOCKS(c_p);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
goto apply_bif_or_nif_epilogue;
OpCase(apply_bif):
@@ -3326,6 +3346,7 @@ void process_main(void)
bif_nif_arity = I[-1];
ASSERT(bif_nif_arity <= 3);
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
switch (bif_nif_arity) {
case 3:
{
@@ -3334,6 +3355,7 @@ void process_main(void)
nif_bif_result = (*bf)(c_p, r(0), x(1), x(2), I);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) ||
is_non_value(nif_bif_result));
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
}
break;
@@ -3344,6 +3366,7 @@ void process_main(void)
nif_bif_result = (*bf)(c_p, r(0), x(1), I);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) ||
is_non_value(nif_bif_result));
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
}
break;
@@ -3354,6 +3377,7 @@ void process_main(void)
nif_bif_result = (*bf)(c_p, r(0), I);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) ||
is_non_value(nif_bif_result));
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
}
break;
@@ -3364,6 +3388,7 @@ void process_main(void)
nif_bif_result = (*bf)(c_p, I);
ASSERT(!ERTS_PROC_IS_EXITING(c_p) ||
is_non_value(nif_bif_result));
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
break;
}
@@ -4590,6 +4615,7 @@ void process_main(void)
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p);
flags = erts_call_trace(c_p, ep->code, ep->match_prog_set, reg,
0, &c_p->tracer_proc);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
@@ -4601,6 +4627,7 @@ void process_main(void)
/* SWAPOUT, SWAPIN was done and r(0) was saved above */
PROCESS_MAIN_CHK_LOCKS(c_p);
FCALLS -= erts_garbage_collect(c_p, 3, reg, ep->code[2]);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
r(0) = reg[0];
SWAPIN;
@@ -4690,6 +4717,7 @@ void process_main(void)
reg[0] = r(0);
PROCESS_MAIN_CHK_LOCKS(c_p);
FCALLS -= erts_garbage_collect(c_p, 2, reg, I[-1]);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
r(0) = reg[0];
}
@@ -4793,6 +4821,7 @@ void process_main(void)
/* SWAPOUT was done and r(0) was saved above */
PROCESS_MAIN_CHK_LOCKS(c_p);
FCALLS -= erts_garbage_collect(c_p, need, reg, I[-1]);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
r(0) = reg[0];
SWAPIN;
@@ -6239,6 +6268,7 @@ hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* reg)
c_p->fvalue = NIL;
PROCESS_MAIN_CHK_LOCKS(c_p);
erts_garbage_collect_hibernate(c_p);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
PROCESS_MAIN_CHK_LOCKS(c_p);
erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MSGQ|ERTS_PROC_LOCK_STATUS);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
@@ -6484,6 +6514,7 @@ new_fun(Process* p, Eterm* reg, ErlFunEntry* fe, int num_free)
if (HEAP_LIMIT(p) - HEAP_TOP(p) <= needed) {
PROCESS_MAIN_CHK_LOCKS(p);
erts_garbage_collect(p, needed, reg, num_free);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(p);
PROCESS_MAIN_CHK_LOCKS(p);
}
hp = p->htop;
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index e85e2d7e3f..323c422c6d 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -1411,6 +1411,33 @@ void erts_alloc_reg_scheduler_id(Uint id)
erts_tsd_set(thr_ix_key, (void *)(long) ix);
}
+static void
+no_verify(Allctr_t *allctr)
+{
+
+}
+
+erts_alloc_verify_func_t
+erts_alloc_get_verify_unused_temp_alloc(Allctr_t **allctr)
+{
+ if (erts_allctrs_info[ERTS_ALC_A_TEMPORARY].alloc_util
+ && erts_allctrs_info[ERTS_ALC_A_TEMPORARY].thr_spec) {
+ ErtsAllocatorThrSpec_t *tspec;
+ tspec = &erts_allctr_thr_spec[ERTS_ALC_A_TEMPORARY];
+ if (!tspec->all_thr_safe) {
+ int ix = erts_alc_get_thr_ix();
+
+ if (ix < tspec->size) {
+ *allctr = tspec->allctr[ix];
+ return erts_alcu_verify_unused;
+ }
+ }
+ }
+
+ *allctr = NULL;
+ return no_verify;
+}
+
__decl_noreturn void
erts_alc_fatal_error(int error, int func, ErtsAlcType_t n, ...)
{
diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h
index 3e96c76dbf..dd4cc22171 100644
--- a/erts/emulator/beam/erl_alloc.h
+++ b/erts/emulator/beam/erl_alloc.h
@@ -236,6 +236,11 @@ void *erts_realloc_fnf(ErtsAlcType_t type, void *ptr, Uint size)
#endif /* #if ERTS_ALC_DO_INLINE || defined(ERTS_ALC_INTERNAL__) */
+typedef void (*erts_alloc_verify_func_t)(Allctr_t *);
+
+erts_alloc_verify_func_t
+erts_alloc_get_verify_unused_temp_alloc(Allctr_t **allctr);
+
#ifndef ERTS_CACHE_LINE_SIZE
/* Assume a cache line size of 64 bytes */
# define ERTS_CACHE_LINE_SIZE ((UWord) 64)
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 8b184899c9..c09f0bbd77 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -3368,6 +3368,38 @@ erts_alcu_test(unsigned long op, unsigned long a1, unsigned long a2)
* Debug functions *
\* */
+void
+erts_alcu_verify_unused(Allctr_t *allctr)
+{
+ UWord no;
+
+ no = allctr->sbcs.curr_mseg.no;
+ no += allctr->sbcs.curr_sys_alloc.no;
+ no += allctr->mbcs.blocks.curr.no;
+
+ if (no) {
+ UWord sz = allctr->sbcs.blocks.curr.size;
+ sz += allctr->mbcs.blocks.curr.size;
+ erl_exit(ERTS_ABORT_EXIT,
+ "%salloc() used when expected to be unused!\n"
+ "Total amount of blocks allocated: %bpu\n"
+ "Total amount of bytes allocated: %bpu\n",
+ allctr->name_prefix, no, sz);
+ }
+}
+
+void
+erts_alcu_verify_unused_ts(Allctr_t *allctr)
+{
+#ifdef USE_THREADS
+ erts_mtx_lock(&allctr->mutex);
+#endif
+ erts_alcu_verify_unused(allctr);
+#ifdef USE_THREADS
+ erts_mtx_unlock(&allctr->mutex);
+#endif
+}
+
#ifdef ERTS_ALLOC_UTIL_HARD_DEBUG
static void
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index f2b951bca6..5a8db5e29e 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -333,6 +333,9 @@ struct Allctr_t_ {
int erts_alcu_start(Allctr_t *, AllctrInit_t *);
void erts_alcu_stop(Allctr_t *);
+void erts_alcu_verify_unused(Allctr_t *);
+void erts_alcu_verify_unused_ts(Allctr_t *allctr);
+
unsigned long erts_alcu_test(unsigned long, unsigned long, unsigned long);
diff --git a/erts/emulator/beam/erl_cpu_topology.c b/erts/emulator/beam/erl_cpu_topology.c
index 8a6b4d8d6c..bcf8bcf270 100644
--- a/erts/emulator/beam/erl_cpu_topology.c
+++ b/erts/emulator/beam/erl_cpu_topology.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2010. All Rights Reserved.
+ * Copyright Ericsson AB 2010-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -630,13 +630,13 @@ write_schedulers_bind_change(erts_cpu_topology_t *cpudata, int size)
int
erts_init_scheduler_bind_type_string(char *how)
{
- if (erts_bind_to_cpu(cpuinfo, -1) == -ENOTSUP)
+ if (sys_strcmp(how, "u") == 0)
+ cpu_bind_order = ERTS_CPU_BIND_NONE;
+ else if (erts_bind_to_cpu(cpuinfo, -1) == -ENOTSUP)
return ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED;
-
- if (!system_cpudata && !user_cpudata)
+ else if (!system_cpudata && !user_cpudata)
return ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY;
-
- if (sys_strcmp(how, "db") == 0)
+ else if (sys_strcmp(how, "db") == 0)
cpu_bind_order = ERTS_CPU_BIND_DEFAULT_BIND;
else if (sys_strcmp(how, "s") == 0)
cpu_bind_order = ERTS_CPU_BIND_SPREAD;
@@ -652,11 +652,8 @@ erts_init_scheduler_bind_type_string(char *how)
cpu_bind_order = ERTS_CPU_BIND_NO_NODE_THREAD_SPREAD;
else if (sys_strcmp(how, "ns") == 0)
cpu_bind_order = ERTS_CPU_BIND_NO_SPREAD;
- else if (sys_strcmp(how, "u") == 0)
- cpu_bind_order = ERTS_CPU_BIND_NONE;
else
return ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_BAD_TYPE;
-
return ERTS_INIT_SCHED_BIND_TYPE_SUCCESS;
}
@@ -724,6 +721,11 @@ erts_bind_schedulers(Process *c_p, Eterm how)
erts_smp_rwmtx_rwlock(&cpuinfo_rwmtx);
if (erts_bind_to_cpu(cpuinfo, -1) == -ENOTSUP) {
+ if (cpu_bind_order == ERTS_CPU_BIND_NONE
+ && ERTS_IS_ATOM_STR("unbound", how)) {
+ res = bound_schedulers_term(ERTS_CPU_BIND_NONE);
+ goto done;
+ }
ERTS_BIF_PREP_ERROR(res, c_p, EXC_NOTSUP);
}
else {
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index ddfc27a93f..e4a871fd7e 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -2752,6 +2752,15 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
/* init port tasks */
erts_port_task_init();
+
+#ifndef ERTS_SMP
+#ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC
+ erts_scheduler_data->verify_unused_temp_alloc
+ = erts_alloc_get_verify_unused_temp_alloc(
+ &erts_scheduler_data->verify_unused_temp_alloc_data);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(NULL);
+#endif
+#endif
}
ErtsRunQueue *
@@ -3711,6 +3720,13 @@ sched_thread_func(void *vesdp)
}
erts_smp_mtx_unlock(&schdlr_sspnd.mtx);
+#ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC
+ ((ErtsSchedulerData *) vesdp)->verify_unused_temp_alloc
+ = erts_alloc_get_verify_unused_temp_alloc(
+ &((ErtsSchedulerData *) vesdp)->verify_unused_temp_alloc_data);
+ ERTS_VERIFY_UNUSED_TEMP_ALLOC(NULL);
+#endif
+
process_main();
/* No schedulers should *ever* terminate */
erl_exit(ERTS_ABORT_EXIT, "Scheduler thread number %bpu terminated\n",
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 8479e56710..e871a9834a 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -28,6 +28,12 @@
#define ERTS_INCLUDE_SCHEDULER_INTERNALS
#endif
+/* #define ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC */
+
+#if !defined(ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC) && defined(DEBUG)
+# define ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC
+#endif
+
typedef struct process Process;
#include "sys.h"
@@ -421,6 +427,11 @@ struct ErtsSchedulerData_ {
/* NOTE: These fields are modified under held mutexes by other threads */
erts_smp_atomic32_t chk_cpu_bind; /* Only used when common run queue */
#endif
+
+#ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC
+ erts_alloc_verify_func_t verify_unused_temp_alloc;
+ Allctr_t *verify_unused_temp_alloc_data;
+#endif
};
typedef union {
@@ -1145,6 +1156,20 @@ Uint erts_debug_nbalance(void);
# define ERTS_PROC_GET_SCHDATA(PROC) (erts_scheduler_data)
#endif
+#ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC
+# define ERTS_VERIFY_UNUSED_TEMP_ALLOC(P) \
+do { \
+ ErtsSchedulerData *esdp__ = ((P) \
+ ? ERTS_PROC_GET_SCHDATA((Process *) (P)) \
+ : erts_get_scheduler_data()); \
+ if (esdp__) \
+ esdp__->verify_unused_temp_alloc( \
+ esdp__->verify_unused_temp_alloc_data); \
+} while (0)
+#else
+# define ERTS_VERIFY_UNUSED_TEMP_ALLOC(ESDP)
+#endif
+
#if defined(ERTS_SMP) || defined(USE_THREADS)
ErtsSchedulerData *erts_get_scheduler_data(void);
#else
diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h
index 84a20b51f2..8c9cace0c5 100644
--- a/erts/emulator/beam/erl_threads.h
+++ b/erts/emulator/beam/erl_threads.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2001-2010. All Rights Reserved.
+ * Copyright Ericsson AB 2001-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -36,6 +36,16 @@
#include "erl_lock_count.h"
#include "erl_term.h"
+#if defined(__GLIBC__) && (__GLIBC__ << 16) + __GLIBC_MINOR__ < (2 << 16) + 4
+/*
+ * pthread_mutex_destroy() may return EBUSY when it shouldn't :( We have
+ * only seen this bug in glibc versions before 2.4. Note that condition
+ * variables, rwmutexes, spinlocks, and rwspinlocks also may be effected by
+ * this bug since these implementations may use mutexes internally.
+ */
+# define ERTS_THR_HAVE_BUSY_DESTROY_BUG
+#endif
+
#define ERTS_THR_MEMORY_BARRIER ETHR_MEMORY_BARRIER
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -175,6 +185,9 @@ typedef struct { int gcc_is_buggy; } erts_rwlock_t;
#endif /* #ifdef USE_THREADS */
#define ERTS_AINT_T_MAX (~(((erts_aint_t) 1) << (sizeof(erts_aint_t)*8-1)))
+#define ERTS_AINT_T_MIN ((((erts_aint_t) 1) << (sizeof(erts_aint_t)*8-1)))
+#define ERTS_AINT32_T_MAX (~(((erts_aint32_t) 1) << (sizeof(erts_aint32_t)*8-1)))
+#define ERTS_AINT32_T_MIN ((((erts_aint32_t) 1) << (sizeof(erts_aint32_t)*8-1)))
ERTS_GLB_INLINE void erts_thr_init(erts_thr_init_data_t *id);
ERTS_GLB_INLINE void erts_thr_late_init(erts_thr_late_init_data_t *id);
@@ -551,8 +564,16 @@ erts_mtx_destroy(erts_mtx_t *mtx)
erts_lcnt_destroy_lock(&mtx->lcnt);
#endif
res = ethr_mutex_destroy(&mtx->mtx);
- if (res)
+ if (res != 0) {
+#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
+ if (res == EBUSY) {
+ char *warn = "Ignoring busy mutex destroy. "
+ "Most likely a bug in pthread implementation.";
+ erts_send_warning_to_logger_str_nogl(warn);
+ }
+#endif
erts_thr_fatal_error(res, "destroy mutex");
+ }
#endif
}
@@ -647,8 +668,16 @@ erts_cnd_destroy(erts_cnd_t *cnd)
{
#ifdef USE_THREADS
int res = ethr_cond_destroy(cnd);
- if (res)
+ if (res != 0) {
+#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
+ if (res == EBUSY) {
+ char *warn = "Ignoring busy cond destroy. "
+ "Most likely a bug in pthread implementation.";
+ erts_send_warning_to_logger_str_nogl(warn);
+ }
+#endif
erts_thr_fatal_error(res, "destroy condition variable");
+ }
#endif
}
@@ -774,8 +803,16 @@ erts_rwmtx_destroy(erts_rwmtx_t *rwmtx)
erts_lcnt_destroy_lock(&rwmtx->lcnt);
#endif
res = ethr_rwmutex_destroy(&rwmtx->rwmtx);
- if (res != 0)
+ if (res != 0) {
+#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
+ if (res == EBUSY) {
+ char *warn = "Ignoring busy rwmutex destroy. "
+ "Most likely a bug in pthread implementation.";
+ erts_send_warning_to_logger_str_nogl(warn);
+ }
+#endif
erts_thr_fatal_error(res, "destroy rwmutex");
+ }
#endif
}
@@ -1452,8 +1489,16 @@ erts_spinlock_destroy(erts_spinlock_t *lock)
erts_lcnt_destroy_lock(&lock->lcnt);
#endif
res = ethr_spinlock_destroy(&lock->slck);
- if (res)
- erts_thr_fatal_error(res, "destroy spinlock");
+ if (res != 0) {
+#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
+ if (res == EBUSY) {
+ char *warn = "Ignoring busy spinlock destroy. "
+ "Most likely a bug in pthread implementation.";
+ erts_send_warning_to_logger_str_nogl(warn);
+ }
+#endif
+ erts_thr_fatal_error(res, "destroy rwlock");
+ }
#else
(void)lock;
#endif
@@ -1562,8 +1607,16 @@ erts_rwlock_destroy(erts_rwlock_t *lock)
erts_lcnt_destroy_lock(&lock->lcnt);
#endif
res = ethr_rwlock_destroy(&lock->rwlck);
- if (res)
+ if (res != 0) {
+#ifdef ERTS_THR_HAVE_BUSY_DESTROY_BUG
+ if (res == EBUSY) {
+ char *warn = "Ignoring busy rwlock destroy. "
+ "Most likely a bug in pthread implementation.";
+ erts_send_warning_to_logger_str_nogl(warn);
+ }
+#endif
erts_thr_fatal_error(res, "destroy rwlock");
+ }
#else
(void)lock;
#endif
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index b1cd683b3b..ff828ae889 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -331,12 +331,16 @@ typedef unsigned char byte;
(((size_t) 8) - (((size_t) (X)) & ((size_t) 7)))
#include "erl_lock_check.h"
+
+/* needed by erl_smp.h */
+int erts_send_warning_to_logger_str_nogl(char *);
+
#include "erl_smp.h"
#ifdef ERTS_WANT_BREAK_HANDLING
# ifdef ERTS_SMP
-extern erts_smp_atomic_t erts_break_requested;
-# define ERTS_BREAK_REQUESTED ((int) erts_smp_atomic_read(&erts_break_requested))
+extern erts_smp_atomic32_t erts_break_requested;
+# define ERTS_BREAK_REQUESTED ((int) erts_smp_atomic32_read(&erts_break_requested))
# else
extern volatile int erts_break_requested;
# define ERTS_BREAK_REQUESTED erts_break_requested
@@ -349,8 +353,8 @@ void erts_do_break_handling(void);
# define ERTS_GOT_SIGUSR1 0
# else
# ifdef ERTS_SMP
-extern erts_smp_atomic_t erts_got_sigusr1;
-# define ERTS_GOT_SIGUSR1 ((int) erts_smp_atomic_read(&erts_got_sigusr1))
+extern erts_smp_atomic32_t erts_got_sigusr1;
+# define ERTS_GOT_SIGUSR1 ((int) erts_smp_atomic32_read(&erts_got_sigusr1))
# else
extern volatile int erts_got_sigusr1;
# define ERTS_GOT_SIGUSR1 erts_got_sigusr1
@@ -517,7 +521,8 @@ int erts_send_info_to_logger_nogl(erts_dsprintf_buf_t *);
int erts_send_warning_to_logger_nogl(erts_dsprintf_buf_t *);
int erts_send_error_to_logger_nogl(erts_dsprintf_buf_t *);
int erts_send_info_to_logger_str_nogl(char *);
-int erts_send_warning_to_logger_str_nogl(char *);
+/* needed by erl_smp.h (declared above)
+ int erts_send_warning_to_logger_str_nogl(char *); */
int erts_send_error_to_logger_str_nogl(char *);
typedef struct preload {