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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-30 20:37:44 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-30 20:37:44 -0500 |
| commit | 9e0cb06b17be7e562cbdaba2768649f025826dc6 (patch) | |
| tree | aaf5ef8c6cd11764d222df9c446ad9af17e0020e /include/asm-x86_64 | |
| parent | 23da0c20ef1c1f0432f373e0e2233a6b6ab2678f (diff) | |
| parent | 6e9d6b8ee4e0c37d3952256e6472c57490d6780d (diff) | |
Merge branch 'master'
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/rwsem.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-x86_64/rwsem.h b/include/asm-x86_64/rwsem.h index c002175b6e8..46077e9c191 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 */ |