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authorPaul Mackerras <paulus@samba.org>2005-10-31 13:37:12 +1100
committerPaul Mackerras <paulus@samba.org>2005-10-31 13:37:12 +1100
commit23fd07750a789a66fe88cf173d52a18f1a387da4 (patch)
tree06fdd6df35fdb835abdaa9b754d62f6b84b97250 /include/asm-powerpc/rwsem.h
parentbd787d438a59266af3c9f6351644c85ef1dd21fe (diff)
parented28f96ac1960f30f818374d65be71d2fdf811b0 (diff)
Merge ../linux-2.6 by hand
Diffstat (limited to 'include/asm-powerpc/rwsem.h')
-rw-r--r--include/asm-powerpc/rwsem.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-powerpc/rwsem.h b/include/asm-powerpc/rwsem.h
index 0a5b83a3c94..79bae4933b7 100644
--- a/include/asm-powerpc/rwsem.h
+++ b/include/asm-powerpc/rwsem.h
@@ -159,5 +159,10 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
return atomic_add_return(delta, (atomic_t *)(&sem->count));
}
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+ return (sem->count != 0);
+}
+
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_RWSEM_H */