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-rw-r--r--erts/emulator/beam/atom.names1
-rw-r--r--erts/emulator/beam/break.c39
-rw-r--r--erts/emulator/beam/erl_bits.c18
-rw-r--r--erts/emulator/beam/erl_lock_check.c2
-rw-r--r--erts/emulator/beam/erl_port_task.c3
-rw-r--r--erts/emulator/beam/erl_posix_str.c1
-rw-r--r--erts/emulator/beam/erl_process.c66
-rw-r--r--erts/emulator/beam/erl_process.h2
-rw-r--r--erts/emulator/beam/erl_process_lock.c2
-rwxr-xr-xerts/emulator/beam/global.h3
-rw-r--r--erts/emulator/beam/index.c3
-rw-r--r--erts/emulator/beam/io.c26
-rw-r--r--erts/emulator/beam/sys.h2
13 files changed, 139 insertions, 29 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index 106fad030b..afcbd732df 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -252,6 +252,7 @@ atom heap_block_size
atom heap_size
atom heap_sizes
atom heap_type
+atom heart_port
atom heir
atom hidden
atom hide
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 93aa2fb8d0..cf66f4e6b6 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -650,10 +650,13 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
ErtsThrPrgrData tpd_buf; /* in case we aren't a managed thread... */
#endif
int fd;
+ size_t envsz;
time_t now;
+ char env[21]; /* enough to hold any 64-bit integer */
size_t dumpnamebufsize = MAXPATHLEN;
char dumpnamebuf[MAXPATHLEN];
char* dumpname;
+ int secs;
if (ERTS_SOMEONE_IS_CRASH_DUMPING)
return;
@@ -676,9 +679,41 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
erts_writing_erl_crash_dump = 1;
#endif
- erts_sys_prepare_crash_dump();
+ envsz = sizeof(env);
+ /* ERL_CRASH_DUMP_SECONDS not set
+ * same as ERL_CRASH_DUMP_SECONDS = 0
+ * - do not write dump
+ * - do not set an alarm
+ * - break immediately
+ *
+ * ERL_CRASH_DUMP_SECONDS = 0
+ * - do not write dump
+ * - do not set an alarm
+ * - break immediately
+ *
+ * ERL_CRASH_DUMP_SECONDS < 0
+ * - do not set alarm
+ * - write dump until done
+ *
+ * ERL_CRASH_DUMP_SECONDS = S (and S positive)
+ * - Don't dump file forever
+ * - set alarm (set in sys)
+ * - write dump until alarm or file is written completely
+ */
+
+ if (erts_sys_getenv__("ERL_CRASH_DUMP_SECONDS", env, &envsz) != 0) {
+ return; /* break immediately */
+ } else {
+ secs = atoi(env);
+ }
+
+ if (secs == 0) {
+ return;
+ }
+
+ erts_sys_prepare_crash_dump(secs);
- if (erts_sys_getenv_raw("ERL_CRASH_DUMP",&dumpnamebuf[0],&dumpnamebufsize) != 0)
+ if (erts_sys_getenv__("ERL_CRASH_DUMP",&dumpnamebuf[0],&dumpnamebufsize) != 0)
dumpname = "erl_crash.dump";
else
dumpname = &dumpnamebuf[0];
diff --git a/erts/emulator/beam/erl_bits.c b/erts/emulator/beam/erl_bits.c
index 6bc227eeda..3753b618e1 100644
--- a/erts/emulator/beam/erl_bits.c
+++ b/erts/emulator/beam/erl_bits.c
@@ -1247,6 +1247,12 @@ erts_bs_append(Process* c_p, Eterm* reg, Uint live, Eterm build_size_term,
*/
erts_bin_offset = 8*sb->size + sb->bitsize;
+ if (unit > 1) {
+ if ((unit == 8 && (erts_bin_offset & 7) != 0) ||
+ (erts_bin_offset % unit) != 0) {
+ goto badarg;
+ }
+ }
used_size_in_bits = erts_bin_offset + build_size_in_bits;
sb->is_writable = 0; /* Make sure that no one else can write. */
pb->size = NBYTES(used_size_in_bits);
@@ -1316,6 +1322,12 @@ erts_bs_append(Process* c_p, Eterm* reg, Uint live, Eterm build_size_term,
*/
ERTS_GET_BINARY_BYTES(bin, src_bytes, bitoffs, bitsize);
erts_bin_offset = 8*binary_size(bin) + bitsize;
+ if (unit > 1) {
+ if ((unit == 8 && (erts_bin_offset & 7) != 0) ||
+ (erts_bin_offset % unit) != 0) {
+ goto badarg;
+ }
+ }
used_size_in_bits = erts_bin_offset + build_size_in_bits;
used_size_in_bytes = NBYTES(used_size_in_bits);
bin_size = 2*used_size_in_bytes;
@@ -1363,12 +1375,6 @@ erts_bs_append(Process* c_p, Eterm* reg, Uint live, Eterm build_size_term,
/*
* Now copy the data into the binary.
*/
- if (unit > 1) {
- if ((unit == 8 && (erts_bin_offset & 7) != 0) ||
- (erts_bin_offset % unit) != 0) {
- return THE_NON_VALUE;
- }
- }
copy_binary_to_buffer(erts_current_bin, 0, src_bytes, bitoffs, erts_bin_offset);
return make_binary(sb);
diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c
index b545ec07c0..1f388c1796 100644
--- a/erts/emulator/beam/erl_lock_check.c
+++ b/erts/emulator/beam/erl_lock_check.c
@@ -443,7 +443,7 @@ print_lock2(char *prefix, Sint16 id, Wterm extra, Uint16 flags, char *suffix)
"%s'%s:%p%s'%s%s",
prefix,
lname,
- boxed_val(extra),
+ _unchecked_boxed_val(extra),
lock_type(flags),
rw_op_str(flags),
suffix);
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index aad2e42a50..3dc7c14faf 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -984,8 +984,9 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
#endif
done:
- ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(runq));
+ runq->scheduler->reductions += reds;
+ ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(runq));
ERTS_PORT_REDUCTIONS_EXECUTED(runq, reds);
return res;
diff --git a/erts/emulator/beam/erl_posix_str.c b/erts/emulator/beam/erl_posix_str.c
index 02db10905b..deb7e3e173 100644
--- a/erts/emulator/beam/erl_posix_str.c
+++ b/erts/emulator/beam/erl_posix_str.c
@@ -619,6 +619,7 @@ erl_errno_id(error)
case WSAEINVALIDPROVIDER: return "einvalidprovider";
#endif
#ifdef WSAEPROVIDERFAILEDINIT
+ /* You could get this if SYSTEMROOT env variable is set incorrectly */
case WSAEPROVIDERFAILEDINIT: return "eproviderfailedinit";
#endif
#ifdef WSASYSCALLFAILURE
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 0fa2def5af..c5127bc29d 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -43,6 +43,9 @@
#include "erl_async.h"
#include "dtrace-wrapper.h"
+#define ERTS_DELAYED_WAKEUP_INFINITY (~(Uint64) 0)
+#define ERTS_DELAYED_WAKEUP_REDUCTIONS ((Uint64) CONTEXT_REDS/2)
+
#define ERTS_RUNQ_CHECK_BALANCE_REDS_PER_SCHED (2000*CONTEXT_REDS)
#define ERTS_RUNQ_CALL_CHECK_BALANCE_REDS \
(ERTS_RUNQ_CHECK_BALANCE_REDS_PER_SCHED/2)
@@ -932,9 +935,15 @@ haw_thr_prgr_current_check_progress(ErtsAuxWorkData *awdp)
}
static ERTS_INLINE erts_aint32_t
-handle_delayed_aux_work_wakeup(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+handle_delayed_aux_work_wakeup(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
{
int jix, max_jix;
+
+ ASSERT(awdp->delayed_wakeup.next != ERTS_DELAYED_WAKEUP_INFINITY);
+
+ if (!waiting && awdp->delayed_wakeup.next > awdp->esdp->reductions)
+ return aux_work;
+
unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP);
ERTS_THR_MEMORY_BARRIER;
@@ -950,11 +959,14 @@ handle_delayed_aux_work_wakeup(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
set_aux_work_flags_wakeup_nob(ERTS_SCHED_SLEEP_INFO_IX(sched-1),
aux_work);
}
+ awdp->delayed_wakeup.next = ERTS_DELAYED_WAKEUP_INFINITY;
return aux_work & ~ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP;
}
static ERTS_INLINE void
-schedule_aux_work_wakeup(ErtsAuxWorkData *awdp, int sched, erts_aint32_t aux_work)
+schedule_aux_work_wakeup(ErtsAuxWorkData *awdp,
+ int sched,
+ erts_aint32_t aux_work)
{
int jix = awdp->delayed_wakeup.sched2jix[sched];
if (jix >= 0) {
@@ -967,7 +979,20 @@ schedule_aux_work_wakeup(ErtsAuxWorkData *awdp, int sched, erts_aint32_t aux_wor
awdp->delayed_wakeup.job[jix].sched = sched;
awdp->delayed_wakeup.job[jix].aux_work = aux_work;
}
- set_aux_work_flags_wakeup_nob(awdp->ssi, ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP);
+
+ if (awdp->delayed_wakeup.next != ERTS_DELAYED_WAKEUP_INFINITY) {
+ ASSERT(erts_atomic32_read_nob(&awdp->ssi->aux_work)
+ & ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP);
+ }
+ else {
+ awdp->delayed_wakeup.next = (awdp->esdp->reductions
+ + ERTS_DELAYED_WAKEUP_REDUCTIONS);
+
+ ASSERT(!(erts_atomic32_read_nob(&awdp->ssi->aux_work)
+ & ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP));
+ set_aux_work_flags_wakeup_nob(awdp->ssi,
+ ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP);
+ }
}
#endif
@@ -1046,7 +1071,8 @@ misc_aux_work_clean(ErtsThrQ_t *q,
static ERTS_INLINE erts_aint32_t
handle_misc_aux_work(ErtsAuxWorkData *awdp,
- erts_aint32_t aux_work)
+ erts_aint32_t aux_work,
+ int waiting)
{
ErtsThrQ_t *q = &misc_aux_work_queues[awdp->sched_id].q;
@@ -1066,7 +1092,8 @@ handle_misc_aux_work(ErtsAuxWorkData *awdp,
static ERTS_INLINE erts_aint32_t
handle_misc_aux_work_thr_prgr(ErtsAuxWorkData *awdp,
- erts_aint32_t aux_work)
+ erts_aint32_t aux_work,
+ int waiting)
{
if (!erts_thr_progress_has_reached_this(haw_thr_prgr_current(awdp),
awdp->misc.thr_prgr))
@@ -1145,7 +1172,8 @@ erts_notify_check_async_ready_queue(void *vno)
static ERTS_INLINE erts_aint32_t
handle_async_ready(ErtsAuxWorkData *awdp,
- erts_aint32_t aux_work)
+ erts_aint32_t aux_work,
+ int waiting)
{
ErtsSchedulerSleepInfo *ssi = awdp->ssi;
unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_ASYNC_READY);
@@ -1167,7 +1195,8 @@ handle_async_ready(ErtsAuxWorkData *awdp,
static ERTS_INLINE erts_aint32_t
handle_async_ready_clean(ErtsAuxWorkData *awdp,
- erts_aint32_t aux_work)
+ erts_aint32_t aux_work,
+ int waiting)
{
void *thr_prgr_p;
@@ -1203,7 +1232,7 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp,
#endif
static ERTS_INLINE erts_aint32_t
-handle_fix_alloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+handle_fix_alloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
{
ErtsSchedulerSleepInfo *ssi = awdp->ssi;
erts_aint32_t res;
@@ -1237,7 +1266,7 @@ erts_alloc_notify_delayed_dealloc(int ix)
}
static ERTS_INLINE erts_aint32_t
-handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
{
ErtsSchedulerSleepInfo *ssi = awdp->ssi;
int need_thr_progress = 0;
@@ -1275,7 +1304,7 @@ handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
}
static ERTS_INLINE erts_aint32_t
-handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
{
ErtsSchedulerSleepInfo *ssi;
int need_thr_progress;
@@ -1403,7 +1432,7 @@ erts_smp_notify_check_children_needed(void)
}
static ERTS_INLINE erts_aint32_t
-handle_check_children(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+handle_check_children(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
{
unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_CHECK_CHILDREN);
erts_check_children();
@@ -1426,7 +1455,7 @@ erts_smp_atomic32_t erts_halt_progress;
int erts_halt_code;
static ERTS_INLINE erts_aint32_t
-handle_reap_ports(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+handle_reap_ports(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
{
unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_REAP_PORTS);
awdp->esdp->run_queue->halt_in_progress = 1;
@@ -1474,7 +1503,7 @@ handle_reap_ports(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
#if HAVE_ERTS_MSEG
static ERTS_INLINE erts_aint32_t
-handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
{
unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK);
erts_mseg_cache_check();
@@ -1484,7 +1513,7 @@ handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
#endif
static ERTS_INLINE erts_aint32_t
-handle_setup_aux_work_timer(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+handle_setup_aux_work_timer(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting)
{
unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_SET_TMO);
setup_aux_work_timer();
@@ -1498,7 +1527,7 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work, int waiting)
#define HANDLE_AUX_WORK(FLG, HNDLR) \
ignore |= FLG; \
if (aux_work & FLG) { \
- aux_work = HNDLR(awdp, aux_work); \
+ aux_work = HNDLR(awdp, aux_work, waiting); \
ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); \
if (!(aux_work & ~ignore)) { \
ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); \
@@ -3917,6 +3946,7 @@ init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp)
awdp->async_ready.queue = NULL;
#endif
#ifdef ERTS_SMP
+ awdp->delayed_wakeup.next = ERTS_DELAYED_WAKEUP_INFINITY;
if (!dawwp) {
awdp->delayed_wakeup.job = NULL;
awdp->delayed_wakeup.sched2jix = NULL;
@@ -4121,6 +4151,9 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online)
#ifdef ERTS_SMP
daww_ptr += daww_sz;
#endif
+
+ esdp->reductions = 0;
+
init_sched_wall_time(&esdp->sched_wall_time);
}
@@ -6664,6 +6697,9 @@ Process *schedule(Process *p, int calls)
|| p->rcount == 0);
}
#endif
+
+ esdp->reductions += reds;
+
erts_smp_runq_lock(rq);
ERTS_PROC_REDUCTIONS_EXECUTED(rq, p->prio, reds, actual_reds);
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 9e7a5a5c74..7c481a91dd 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -439,6 +439,7 @@ typedef struct {
#endif
#ifdef ERTS_SMP
struct {
+ Uint64 next;
int *sched2jix;
int jix;
ErtsDelayedAuxWorkWakeupJob *job;
@@ -481,6 +482,7 @@ struct ErtsSchedulerData_ {
ErtsSchedAllocData alloc_data;
+ Uint64 reductions;
ErtsSchedWallTime sched_wall_time;
#ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC
diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c
index f28ef6a6d7..f7900317cc 100644
--- a/erts/emulator/beam/erl_process_lock.c
+++ b/erts/emulator/beam/erl_process_lock.c
@@ -1349,7 +1349,7 @@ erts_proc_lc_chk_no_proc_locks(char *file, int line)
lc_id.proc_lock_msgq,
lc_id.proc_lock_status};
erts_lc_have_lock_ids(resv, ids, 4);
- if (resv[0] || resv[1] || resv[2] || resv[3]) {
+ if (!ERTS_IS_CRASH_DUMPING && (resv[0] || resv[1] || resv[2] || resv[3])) {
erts_lc_fail("%s:%d: Thread has process locks locked when expected "
"not to have any process locks locked",
file, line);
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index dbf95f5bd7..2c20e3da3b 100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -983,6 +983,9 @@ Uint erts_port_ioq_size(Port *pp);
void erts_stale_drv_select(Eterm, ErlDrvEvent, int, int);
void erts_port_cleanup(Port *);
void erts_fire_port_monitor(Port *prt, Eterm ref);
+
+Port *erts_get_heart_port(void);
+
#ifdef ERTS_SMP
void erts_smp_xports_unlock(Port *);
#endif
diff --git a/erts/emulator/beam/index.c b/erts/emulator/beam/index.c
index a4a3007f93..ad4672c3de 100644
--- a/erts/emulator/beam/index.c
+++ b/erts/emulator/beam/index.c
@@ -82,7 +82,8 @@ index_put(IndexTable* t, void* tmpl)
if (ix >= t->size) {
Uint sz;
if (ix >= t->limit) {
- erl_exit(1, "no more index entries in %s (max=%d)\n",
+ /* A core dump is unnecessary */
+ erl_exit(ERTS_DUMP_EXIT, "no more index entries in %s (max=%d)\n",
t->htable.name, t->limit);
}
sz = INDEX_PAGE_SIZE*sizeof(IndexSlot*);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 35b194f927..609fe9f5fb 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -1132,7 +1132,7 @@ int erts_write_to_port(Eterm caller_id, Port *p, Eterm list)
Uint size;
int fpe_was_unmasked;
- ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(p));
+ ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(p) || ERTS_IS_CRASH_DUMPING);
ERTS_SMP_CHK_NO_PROC_LOCKS;
p->caller = caller_id;
@@ -5235,3 +5235,27 @@ erl_drv_getenv(char *key, char *value, size_t *value_size)
{
return erts_sys_getenv_raw(key, value, value_size);
}
+
+/* get heart_port
+ * used by erl_crash_dump
+ * - uses the fact that heart_port is registered when starting heart
+ */
+
+Port *erts_get_heart_port() {
+
+ Port* port;
+ Uint ix;
+
+ for(ix = 0; ix < erts_max_ports; ix++) {
+ port = &erts_port[ix];
+ /* only examine undead or alive ports */
+ if (port->status & ERTS_PORT_SFLGS_DEAD)
+ continue;
+ /* immediate atom compare */
+ if (port->reg && port->reg->name == am_heart_port) {
+ return port;
+ }
+ }
+
+ return NULL;
+}
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 2406c52f14..9dd8341520 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -652,7 +652,7 @@ void erts_sys_schedule_interrupt_timed(int set, erts_short_time_t msec);
void erts_sys_main_thread(void);
#endif
-extern void erts_sys_prepare_crash_dump(void);
+extern void erts_sys_prepare_crash_dump(int secs);
extern void erts_sys_pre_init(void);
extern void erl_sys_init(void);
extern void erl_sys_args(int *argc, char **argv);