patch-2.4.20 linux-2.4.20/include/asm-mips/semaphore.h

• Lines: 19
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-mips/semaphore.h
• Orig date: Fri Aug 2 17:39:45 2002

diff -urN linux-2.4.19/include/asm-mips/semaphore.h linux-2.4.20/include/asm-mips/semaphore.h
@@ -130,7 +130,7 @@
  * 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.  This
+ * Here, we do this by using lld/scd on the pair of 32-bit words.  This
  * won't work on MIPS32 platforms, however, and must be rewritten.
  *
  * Pseudocode:
@@ -194,4 +194,9 @@
 		__up(sem);
 }
 
+static inline int sem_getcount(struct semaphore *sem)
+{
+	return atomic_read(&sem->count);
+}
+
 #endif /* _ASM_SEMAPHORE_H */