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-rw-r--r--erts/emulator/beam/erl_nif.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 9564d4168e..da4376fd0a 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -311,6 +311,7 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
#endif
Eterm receiver = to_pid->pid;
int flush_me = 0;
+ int scheduler = erts_get_scheduler_id() != 0;
if (env != NULL) {
c_p = env->proc;
@@ -330,8 +331,11 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
#if defined(ERTS_ENABLE_LOCK_CHECK) && defined(ERTS_SMP)
rp_had_locks = rp_locks;
#endif
- rp = erts_pid2proc_opt(c_p, ERTS_PROC_LOCK_MAIN,
- receiver, rp_locks, ERTS_P2P_FLG_SMP_INC_REFC);
+
+ rp = (scheduler
+ ? erts_proc_lookup(receiver)
+ : erts_pid2proc_opt(c_p, ERTS_PROC_LOCK_MAIN,
+ receiver, rp_locks, ERTS_P2P_FLG_SMP_INC_REFC));
if (rp == NULL) {
ASSERT(env == NULL || receiver != c_p->id);
return 0;
@@ -358,12 +362,12 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
, NIL
#endif
);
- if (rp_locks) {
- ERTS_SMP_LC_ASSERT(rp_locks == (rp_had_locks | (ERTS_PROC_LOCK_MSGQ |
- ERTS_PROC_LOCK_STATUS)));
- erts_smp_proc_unlock(rp, (ERTS_PROC_LOCK_MSGQ | ERTS_PROC_LOCK_STATUS));
- }
- erts_smp_proc_dec_refc(rp);
+ if (c_p == rp)
+ rp_locks &= ~ERTS_PROC_LOCK_MAIN;
+ if (rp_locks)
+ erts_smp_proc_unlock(rp, rp_locks);
+ if (!scheduler)
+ erts_smp_proc_dec_refc(rp);
if (flush_me) {
cache_env(env);
}