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[libgomp] Define memmodel

Message ID 4ED4416B.5030607@redhat.com
State New
Headers show

Commit Message

Richard Henderson Nov. 29, 2011, 2:20 a.m. UTC 
This fixes the ordering issues with a couple of Alan's pending patches, and put the enumeration where the entire library can use it.

Committed.


r~
* libgomp.h (enum memmodel): New.
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Patch

diff --git a/libgomp/libgomp.h b/libgomp/libgomp.h
index 9cf9d32..2c9c071 100644
--- a/libgomp/libgomp.h
+++ b/libgomp/libgomp.h
@@ -45,6 +45,17 @@ 
 # pragma GCC visibility push(hidden)
 #endif
 
+/* If we were a C++ library, we'd get this from <std/atomic>.  */
+enum memmodel
+{
+  MEMMODEL_RELAXED = 0,
+  MEMMODEL_CONSUME = 1,
+  MEMMODEL_ACQUIRE = 2,
+  MEMMODEL_RELEASE = 3,
+  MEMMODEL_ACQ_REL = 4,
+  MEMMODEL_SEQ_CST = 5
+};
+
 #include "sem.h"
 #include "mutex.h"
 #include "bar.h"