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-rw-r--r--erts/emulator/beam/break.c4
-rw-r--r--erts/emulator/beam/erl_alloc.types2
-rw-r--r--erts/emulator/beam/erl_init.c1
-rw-r--r--erts/emulator/beam/erl_process.c57
-rw-r--r--erts/emulator/beam/sys.h6
5 files changed, 41 insertions, 29 deletions
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 8c039ef132..446598362c 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -684,7 +684,7 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
crash dump. */
erts_thr_progress_fatal_error_block(&tpd_buf);
-#ifdef ERTS_THR_HAVE_SIG_FUNCS
+#ifdef ERTS_SYS_SUSPEND_SIGNAL
/*
* We suspend all scheduler threads so that we can dump some
* data about the currently running processes and scheduler data.
@@ -818,7 +818,7 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
#ifdef ERTS_SMP
-#if defined(ERTS_THR_HAVE_SIG_FUNCS)
+#ifdef ERTS_SYS_SUSPEND_SIGNAL
/* We resume all schedulers so that we are in a known safe state
when we write the rest of the crash dump */
diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types
index 2932adca84..14067283bd 100644
--- a/erts/emulator/beam/erl_alloc.types
+++ b/erts/emulator/beam/erl_alloc.types
@@ -343,6 +343,8 @@ type SSB SHORT_LIVED PROCESSES ssb
+endif
+type DEBUG SHORT_LIVED SYSTEM debugging
+
type DDLL_PROCESS STANDARD SYSTEM ddll_processes
type MONITOR_LH STANDARD PROCESSES monitor_lh
type NLINK_LH STANDARD PROCESSES nlink_lh
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 86c4eeb484..0c81a95705 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -2188,6 +2188,7 @@ erl_start(int argc, char **argv)
init_break_handler();
if (replace_intr)
erts_replace_intr();
+ sys_init_suspend_handler();
#endif
boot_argc = argc - i; /* Number of arguments to init */
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index a706ebf595..d2185c4fbc 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -2211,8 +2211,7 @@ setup_thr_debug_wait_completed(void *vproc)
if (debug_wait_completed_flags & ERTS_DEBUG_WAIT_COMPLETED_DEALLOCATIONS) {
erts_alloc_fix_alloc_shrink(awdp->sched_id, 0);
wait_flags |= (ERTS_SSI_AUX_WORK_DD
- | ERTS_SSI_AUX_WORK_DD_THR_PRGR
- | ERTS_SSI_AUX_WORK_THR_PRGR_LATER_OP);
+ | ERTS_SSI_AUX_WORK_DD_THR_PRGR);
#ifdef ERTS_SMP
aux_work_flags |= ERTS_SSI_AUX_WORK_DD;
#endif
@@ -2220,8 +2219,7 @@ setup_thr_debug_wait_completed(void *vproc)
if (debug_wait_completed_flags & ERTS_DEBUG_WAIT_COMPLETED_TIMER_CANCELLATIONS) {
wait_flags |= (ERTS_SSI_AUX_WORK_CNCLD_TMRS
- | ERTS_SSI_AUX_WORK_CNCLD_TMRS_THR_PRGR
- | ERTS_SSI_AUX_WORK_THR_PRGR_LATER_OP);
+ | ERTS_SSI_AUX_WORK_CNCLD_TMRS_THR_PRGR);
#ifdef ERTS_SMP
if (awdp->esdp && !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp))
aux_work_flags |= ERTS_SSI_AUX_WORK_CNCLD_TMRS;
@@ -2235,26 +2233,42 @@ setup_thr_debug_wait_completed(void *vproc)
awdp->debug.wait_completed.arg = vproc;
}
-static void
-prep_setup_thr_debug_wait_completed(void *vproc)
+struct debug_lop {
+ ErtsThrPrgrLaterOp lop;
+ Process *proc;
+};
+
+static void later_thr_debug_wait_completed(void *vlop)
{
+ struct debug_lop *lop = vlop;
erts_aint32_t count = (erts_aint32_t) erts_no_schedulers;
#ifdef ERTS_SMP
count += 1; /* aux thread */
#endif
if (erts_atomic32_dec_read_mb(&debug_wait_completed_count) == count) {
- /* scheduler threads */
- erts_schedule_multi_misc_aux_work(0,
- erts_no_schedulers,
- setup_thr_debug_wait_completed,
- vproc);
+ /* scheduler threads */
+ erts_schedule_multi_misc_aux_work(0,
+ erts_no_schedulers,
+ setup_thr_debug_wait_completed,
+ lop->proc);
#ifdef ERTS_SMP
- /* aux_thread */
- erts_schedule_misc_aux_work(0,
- setup_thr_debug_wait_completed,
- vproc);
+ /* aux_thread */
+ erts_schedule_misc_aux_work(0,
+ setup_thr_debug_wait_completed,
+ lop->proc);
#endif
}
+ erts_free(ERTS_ALC_T_DEBUG, lop);
+}
+
+
+static void
+init_thr_debug_wait_completed(void *vproc)
+{
+ struct debug_lop* lop = erts_alloc(ERTS_ALC_T_DEBUG,
+ sizeof(struct debug_lop));
+ lop->proc = vproc;
+ erts_schedule_thr_prgr_later_op(later_thr_debug_wait_completed, lop, &lop->lop);
}
@@ -2264,7 +2278,7 @@ erts_debug_wait_completed(Process *c_p, int flags)
/* Only one process at a time can do this */
erts_aint32_t count = (erts_aint32_t) (2*erts_no_schedulers);
#ifdef ERTS_SMP
- count += 2; /* aux thread */
+ count += 1; /* aux thread */
#endif
if (0 == erts_atomic32_cmpxchg_mb(&debug_wait_completed_count,
count,
@@ -2272,17 +2286,12 @@ erts_debug_wait_completed(Process *c_p, int flags)
debug_wait_completed_flags = flags;
erts_suspend(c_p, ERTS_PROC_LOCK_MAIN, NULL);
erts_proc_inc_refc(c_p);
- /* scheduler threads */
+
+ /* First flush later-ops on all scheduler threads */
erts_schedule_multi_misc_aux_work(0,
erts_no_schedulers,
- prep_setup_thr_debug_wait_completed,
+ init_thr_debug_wait_completed,
(void *) c_p);
-#ifdef ERTS_SMP
- /* aux_thread */
- erts_schedule_misc_aux_work(0,
- prep_setup_thr_debug_wait_completed,
- (void *) c_p);
-#endif
return 1;
}
return 0;
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 03b9088adc..44735c0ec0 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -138,10 +138,10 @@ typedef ERTS_SYS_FD_TYPE ErtsSysFdType;
#endif
#if ERTS_AT_LEAST_GCC_VSN__(2, 96, 0)
-#ifndef __llvm__
-# define ERTS_WRITE_UNLIKELY(X) X __attribute__ ((section ("ERTS_LOW_WRITE") ))
-#else
+#if (defined(__APPLE__) && defined(__MACH__)) || defined(__DARWIN__)
# define ERTS_WRITE_UNLIKELY(X) X __attribute__ ((section ("__DATA,ERTS_LOW_WRITE") ))
+#else
+# define ERTS_WRITE_UNLIKELY(X) X __attribute__ ((section ("ERTS_LOW_WRITE") ))
#endif
#else
# define ERTS_WRITE_UNLIKELY(X) X
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-26 06:14:48 +0000