Module: xenomai-forge
Branch: master
Commit: 244225aa73afdc2aedf9b0b98893b17298f4a387
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=244225aa73afdc2aedf9b0b98893b17298f4a387
Author: Philippe Gerum <r...@xenomai.org>
Date: Thu Nov 17 16:22:39 2011 +0100
mercury: use membar gcc builtin for cpu_relax() emulation
---
include/mercury/core.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/mercury/core.h b/include/mercury/core.h
index 0a494bf..95c7925 100644
--- a/include/mercury/core.h
+++ b/include/mercury/core.h
@@ -25,6 +25,6 @@
/* Private signal used for unblocking from syscalls. */
#define SIGRELS (SIGRTMIN + 9)
-#define cpu_relax() do { } while (0)
+#define cpu_relax() __sync_synchronize()
#endif /* _MERCURY_CORE_H */
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