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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-30 01:56:31 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-30 01:56:31 -0500 |
| commit | 81cfb8864c73230eb1c37753aba517db15cf4d8f (patch) | |
| tree | 649ff25543834cf9983ea41b93126bea97d75475 /include/asm-ppc/rwsem.h | |
| parent | 0169e284f6b6b263cc7c2ed25986b96cd6fda610 (diff) | |
| parent | 9f75e1eff3edb2bb07349b94c28f4f2a6c66ca43 (diff) | |
Merge branch 'master'
Diffstat (limited to 'include/asm-ppc/rwsem.h')
| -rw-r--r-- | include/asm-ppc/rwsem.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-ppc/rwsem.h b/include/asm-ppc/rwsem.h index 3e738f483c1..3501ea72f88 100644 --- a/include/asm-ppc/rwsem.h +++ b/include/asm-ppc/rwsem.h @@ -168,5 +168,10 @@ 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 /* _PPC_RWSEM_XADD_H */ |