patch-2.1.48 linux/include/asm-sparc64/semaphore.h
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- Lines: 32
- Date:
Thu Jul 31 13:09:18 1997
- Orig file:
v2.1.47/linux/include/asm-sparc64/semaphore.h
- Orig date:
Wed Apr 23 19:01:28 1997
diff -u --recursive --new-file v2.1.47/linux/include/asm-sparc64/semaphore.h linux/include/asm-sparc64/semaphore.h
@@ -24,20 +24,17 @@
#define wake_one_more(sem) atomic_inc(&sem->waking);
-extern __inline__ int waking_non_zero(struct semaphore *sem)
-{
- unsigned long flags;
- int ret = 0;
-
- save_flags(flags);
- cli();
- if (atomic_read(&sem->waking) > 0) {
- atomic_dec(&sem->waking);
- ret = 1;
- }
- restore_flags(flags);
- return ret;
-}
+#define waking_non_zero(sem) \
+({ unsigned long flags; \
+ int ret = 0; \
+ save_and_cli(flags); \
+ if (atomic_read(&sem->waking) > 0) { \
+ atomic_dec(&sem->waking); \
+ ret = 1; \
+ } \
+ restore_flags(flags); \
+ ret; \
+})
extern __inline__ void down(struct semaphore * sem)
{
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