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-rw-r--r--runtime/atomic.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/runtime/atomic.h b/runtime/atomic.h
index d6811628..d15f78ee 100644
--- a/runtime/atomic.h
+++ b/runtime/atomic.h
@@ -41,11 +41,15 @@
* They simply came in too late. -- rgerhards, 2008-04-02
*/
#ifdef HAVE_ATOMIC_BUILTINS
-# define ATOMIC_INC(data) ((void) __sync_fetch_and_add(&data, 1))
-# define ATOMIC_DEC_AND_FETCH(data) __sync_sub_and_fetch(&data, 1)
+# define ATOMIC_INC(data) ((void) __sync_fetch_and_add(&(data), 1))
+# define ATOMIC_DEC_AND_FETCH(data) __sync_sub_and_fetch(&(data), 1)
+# define ATOMIC_FETCH_32BIT(data) ((unsigned) __sync_fetch_and_and(&(data), 0xffffffff))
+# define ATOMIC_STORE_1_TO_32BIT(data) __sync_lock_test_and_set(&(data), 1)
#else
# warning "atomic builtins not available, using nul operations"
# define ATOMIC_INC(data) (++(data))
+# define ATOMIC_FETCH_32BIT(data) (data)
+# define ATOMIC_STORE_1_TO_32BIT(data) (data) = 1
#endif
#endif /* #ifndef INCLUDED_ATOMIC_H */