---

yaml --- r: 36175 b: refs/heads/master c: 85f6517 h: refs/heads/master i: 36173: 2bc3550 36171: 04e00f4 36167: 7e5451f 36159: 4864c29 v: v3
git-mirror · Sep 27, 2006 · 96efe71 · 96efe71
1 parent 5c47718
commit 96efe71
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a27f3113322edff36743014cc9e752a21ffc0324
+refs/heads/master: 85f651794c46e8e3faf204a767d1caa7f9f278f0
diff --git a/trunk/include/asm-m32r/spinlock.h b/trunk/include/asm-m32r/spinlock.h
@@ -298,7 +298,14 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
 	);
 }
 
-#define __raw_read_trylock(lock) generic__raw_read_trylock(lock)
+static inline int __raw_read_trylock(raw_rwlock_t *lock)
+{
+	atomic_t *count = (atomic_t*)lock;
+	if (atomic_dec_return(count) >= 0)
+		return 1;
+	atomic_inc(count);
+	return 0;
+}
 
 static inline int __raw_write_trylock(raw_rwlock_t *lock)
 {