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-rw-r--r--erts/emulator/beam/erl_process.c31
1 files changed, 7 insertions, 24 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index b0e0cf13f8..31dda21b47 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -7883,23 +7883,17 @@ erts_start_schedulers(void)
Uint actual;
Uint wanted = erts_no_schedulers;
Uint wanted_no_schedulers = erts_no_schedulers;
+ char name[16];
ethr_thr_opts opts = ETHR_THR_OPTS_DEFAULT_INITER;
opts.detached = 1;
-#ifdef ETHR_HAVE_THREAD_NAMES
- opts.name = malloc(80);
- if (!opts.name) {
- ERTS_INTERNAL_ERROR("malloc failed to allocate memory!");
- }
-#endif
+ opts.name = name;
#ifdef ERTS_SMP
if (erts_runq_supervision_interval) {
opts.suggested_stack_size = 16;
-#ifdef ETHR_HAVE_THREAD_NAMES
- sprintf(opts.name, "runq_supervisor");
-#endif
+ erts_snprintf(opts.name, 16, "runq_supervisor");
erts_atomic_init_nob(&runq_supervisor_sleeping, 0);
if (0 != ethr_event_init(&runq_supervision_event))
erl_exit(1, "Failed to create run-queue supervision event\n");
@@ -7926,9 +7920,7 @@ erts_start_schedulers(void)
ASSERT(actual == esdp->no - 1);
-#ifdef ETHR_HAVE_THREAD_NAMES
- sprintf(opts.name, "scheduler_%d", actual + 1);
-#endif
+ erts_snprintf(opts.name, 16, "%lu_scheduler", actual + 1);
#ifdef __OSE__
/* This should be done in the bind strategy */
@@ -7950,18 +7942,14 @@ erts_start_schedulers(void)
int ix;
for (ix = 0; ix < erts_no_dirty_cpu_schedulers; ix++) {
ErtsSchedulerData *esdp = ERTS_DIRTY_CPU_SCHEDULER_IX(ix);
-#ifdef ETHR_HAVE_THREAD_NAMES
- sprintf(opts.name,"dirty_cpu_scheduler_%d", ix + 1);
-#endif
+ erts_snprintf(opts.name, 16, "%d_dirty_cpu_scheduler", ix + 1);
res = ethr_thr_create(&esdp->tid,sched_dirty_cpu_thread_func,(void*)esdp,&opts);
if (res != 0)
erl_exit(1, "Failed to create dirty cpu scheduler thread %d\n", ix);
}
for (ix = 0; ix < erts_no_dirty_io_schedulers; ix++) {
ErtsSchedulerData *esdp = ERTS_DIRTY_IO_SCHEDULER_IX(ix);
-#ifdef ETHR_HAVE_THREAD_NAMES
- sprintf(opts.name,"dirty_io_scheduler_%d", ix + 1);
-#endif
+ erts_snprintf(opts.name, 16, "%d_dirty_io_scheduler", ix + 1);
res = ethr_thr_create(&esdp->tid,sched_dirty_io_thread_func,(void*)esdp,&opts);
if (res != 0)
erl_exit(1, "Failed to create dirty io scheduler thread %d\n", ix);
@@ -7972,9 +7960,7 @@ erts_start_schedulers(void)
ERTS_THR_MEMORY_BARRIER;
-#ifdef ETHR_HAVE_THREAD_NAMES
- sprintf(opts.name, "aux");
-#endif
+ erts_snprintf(opts.name, 16, "aux");
#ifdef __OSE__
opts.coreNo = 0;
@@ -8000,9 +7986,6 @@ erts_start_schedulers(void)
erts_send_error_to_logger_nogl(dsbufp);
}
-#ifdef ETHR_HAVE_THREAD_NAMES
- free(opts.name);
-#endif
}
#endif /* ERTS_SMP */