---

yaml --- r: 26801 b: refs/heads/master c: c2a4c40 h: refs/heads/master i: 26799: 9c37163 v: v3
git-mirror · May 19, 2006 · a3e34b5 · a3e34b5
1 parent a1e46a6
commit a3e34b5
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ec64152fee25e2a63f06d40d32c7b4cb62eab9a3
+refs/heads/master: c2a4c40651e08e465d3a6130bd9f6dcc1ce21d83
diff --git a/trunk/include/asm-arm/spinlock.h b/trunk/include/asm-arm/spinlock.h
@@ -142,6 +142,9 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
 	: "cc");
 }
 
+/* write_can_lock - would write_trylock() succeed? */
+#define __raw_write_can_lock(x)		((x)->lock == 0x80000000)
+
 /*
  * Read locks are a bit more hairy:
  *  - Exclusively load the lock value.
@@ -198,4 +201,7 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
 
 #define __raw_read_trylock(lock) generic__raw_read_trylock(lock)
 
+/* read_can_lock - would read_trylock() succeed? */
+#define __raw_read_can_lock(x)		((x)->lock < 0x80000000)
+
 #endif /* __ASM_SPINLOCK_H */