---

yaml --- r: 10971 b: refs/heads/master c: e3c4807 h: refs/heads/master i: 10969: 394d90e 10967: 9a3a417 v: v3
git-mirror · Oct 29, 2005 · d3cb351 · d3cb351
1 parent b61a092
commit d3cb351
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f638d1971e3135025471c99bf079a24fbb1f3bfa
+refs/heads/master: e3c4807825501f0b445fe34b627669be24b59320
diff --git a/trunk/include/asm-mips/spinlock.h b/trunk/include/asm-mips/spinlock.h
@@ -119,6 +119,18 @@ static inline unsigned int __raw_spin_trylock(raw_spinlock_t *lock)
  * read-locks.
  */
 
+/*
+ * read_can_lock - would read_trylock() succeed?
+ * @lock: the rwlock in question.
+ */
+#define __raw_read_can_lock(rw)	((rw)->lock >= 0)
+
+/*
+ * write_can_lock - would write_trylock() succeed?
+ * @lock: the rwlock in question.
+ */
+#define __raw_write_can_lock(rw)	(!(rw)->lock)
+
 static inline void __raw_read_lock(raw_rwlock_t *rw)
 {
 	unsigned int tmp;