summaryrefslogtreecommitdiffstats
path: root/include/asm-x86_64/rwsem.h
diff options
context:
space:
mode:
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-x86_64/rwsem.h
parentbd787d438a59266af3c9f6351644c85ef1dd21fe (diff)
parented28f96ac1960f30f818374d65be71d2fdf811b0 (diff)
downloadop-kernel-dev-23fd07750a789a66fe88cf173d52a18f1a387da4.zip
op-kernel-dev-23fd07750a789a66fe88cf173d52a18f1a387da4.tar.gz
Merge ../linux-2.6 by hand
Diffstat (limited to 'include/asm-x86_64/rwsem.h')
-rw-r--r--include/asm-x86_64/rwsem.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-x86_64/rwsem.h b/include/asm-x86_64/rwsem.h
index c002175..46077e9 100644
--- a/include/asm-x86_64/rwsem.h
+++ b/include/asm-x86_64/rwsem.h
@@ -274,5 +274,10 @@ LOCK_PREFIX "xaddl %0,(%2)"
return tmp+delta;
}
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+ return (sem->count != 0);
+}
+
#endif /* __KERNEL__ */
#endif /* _X8664_RWSEM_H */
OpenPOWER on IntegriCloud