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-rw-r--r--erts/emulator/beam/erl_port_task.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index 7d53ce7152..547a42beb2 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -1838,6 +1838,16 @@ release_port(void *vport)
{
erts_port_dec_refc((Port *) vport);
}
+
+static void
+schedule_release_port(void *vport) {
+ Port *pp = (Port*)vport;
+ /* This is only used when a port release was ordered from a non-scheduler */
+ erts_schedule_thr_prgr_later_op(release_port,
+ (void *) pp,
+ &pp->common.u.release);
+}
+
#endif
static void
@@ -2033,10 +2043,15 @@ begin_port_cleanup(Port *pp, ErtsPortTask **execqp, int *processing_busy_q_p)
* Schedule cleanup of port structure...
*/
#ifdef ERTS_SMP
- /* Has to be more or less immediate to release any driver */
- erts_schedule_thr_prgr_later_op(release_port,
- (void *) pp,
- &pp->common.u.release);
+ /* We might not be a scheduler, eg. traceing to port we are sys_msg_dispatcher */
+ if (!erts_get_scheduler_data()) {
+ erts_schedule_misc_aux_work(1, schedule_release_port, (void*)pp);
+ } else {
+ /* Has to be more or less immediate to release any driver */
+ erts_schedule_thr_prgr_later_op(release_port,
+ (void *) pp,
+ &pp->common.u.release);
+ }
#else
pp->cleanup = 1;
#endif