patch-2.4.20 linux-2.4.20/include/asm-mips64/semaphore.h
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- Lines: 19
- Date:
Thu Nov 28 15:53:15 2002
- Orig file:
linux-2.4.19/include/asm-mips64/semaphore.h
- Orig date:
Fri Aug 2 17:39:45 2002
diff -urN linux-2.4.19/include/asm-mips64/semaphore.h linux-2.4.20/include/asm-mips64/semaphore.h
@@ -109,7 +109,7 @@
* down_trylock returns 0 on success, 1 if we failed to get the lock.
*
* We must manipulate count and waking simultaneously and atomically.
- * Here, we this by using ll/sc on the pair of 32-bit words.
+ * Here, we do this by using lld/scd on the pair of 32-bit words.
*
* Pseudocode:
*
@@ -170,4 +170,9 @@
__up(sem);
}
+static inline int sem_getcount(struct semaphore *sem)
+{
+ return atomic_read(&sem->count);
+}
+
#endif /* _ASM_SEMAPHORE_H */
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