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-rw-r--r--erts/emulator/beam/erl_nif.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 159dc66ad5..bd9367a3d5 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -667,6 +667,9 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
erts_smp_proc_trylock(rp, ERTS_PROC_LOCK_MSGQ) == EBUSY) {
if (!msgq) {
+#ifdef ERTS_SMP
+ ErtsThrPrgrDelayHandle dhndl;
+#endif
msgq = erts_alloc(ERTS_ALC_T_TRACE_MSG_QUEUE,
sizeof(ErlTraceMessageQueue));
@@ -681,8 +684,15 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
erts_smp_proc_unlock(t_p, ERTS_PROC_LOCK_TRACE);
+#ifdef ERTS_SMP
+ if (!scheduler)
+ dhndl = erts_thr_progress_unmanaged_delay();
+#endif
erts_schedule_flush_trace_messages(t_p->common.id);
-
+#ifdef ERTS_SMP
+ if (!scheduler)
+ erts_thr_progress_unmanaged_continue(dhndl);
+#endif
} else {
msgq->len++;
*msgq->last = mp;
@@ -1669,7 +1679,8 @@ int enif_is_process_alive(ErlNifEnv* env, ErlNifPid *proc)
return !!rp;
#else
erts_exit(ERTS_ABORT_EXIT, "enif_is_process_alive: "
- "called from non-scheduler thread");
+ "called from non-scheduler thread "
+ "in non-smp emulator");
return 0;
#endif
}
@@ -1694,7 +1705,8 @@ int enif_is_port_alive(ErlNifEnv *env, ErlNifPort *port)
return !!prt;
#else
erts_exit(ERTS_ABORT_EXIT, "enif_is_port_alive: "
- "called from non-scheduler thread");
+ "called from non-scheduler thread "
+ "in non-smp emulator");
return 0;
#endif
}