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-rw-r--r--erts/emulator/beam/dist.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h
index 695a4fc3fe..845151c895 100644
--- a/erts/emulator/beam/dist.h
+++ b/erts/emulator/beam/dist.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2010. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -203,7 +203,7 @@ void erts_schedule_dist_command(Port *prt, DistEntry *dist_entry)
id = dep->cid;
}
- if (!erts_smp_atomic_xchg(&dep->dist_cmd_scheduled, 1)) {
+ if (!erts_smp_atomic_xchg_mb(&dep->dist_cmd_scheduled, 1)) {
(void) erts_port_task_schedule(id,
&dep->dist_cmd,
ERTS_PORT_TASK_DIST_CMD,