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- typedef struct apr_anylock_t {
-
- enum tm_lock {
- apr_anylock_none,
- apr_anylock_procmutex,
- apr_anylock_threadmutex,
- apr_anylock_readlock,
- apr_anylock_writelock
- } type;
-
- union apr_anylock_u_t {
- apr_proc_mutex_t *pm;
- apr_thread_mutex_t *tm;
- apr_thread_rwlock_t *rw;
- } lock;
- } apr_anylock_t;
- (((lck)->type == apr_anylock_none) \
- ? APR_SUCCESS \
- : (((lck)->type == apr_anylock_threadmutex) \
- ? apr_thread_mutex_lock((lck)->lock.tm) \
- : (((lck)->type == apr_anylock_procmutex) \
- ? apr_proc_mutex_lock((lck)->lock.pm) \
- : (((lck)->type == apr_anylock_readlock) \
- ? apr_thread_rwlock_rdlock((lck)->lock.rw) \
- : (((lck)->type == apr_anylock_writelock) \
- ? apr_thread_rwlock_wrlock((lck)->lock.rw) \
- : APR_EINVAL)))))
- #else /* APR_HAS_THREADS */
- #define APR_ANYLOCK_LOCK(lck) \
- (((lck)->type == apr_anylock_none) \
- ? APR_SUCCESS \
- : (((lck)->type == apr_anylock_procmutex) \
- ? apr_proc_mutex_lock((lck)->lock.pm) \
- : APR_EINVAL))
- #endif /* APR_HAS_THREADS */
- #if APR_HAS_THREADS
- /** Try to lock an apr_anylock_t structure */
- #define APR_ANYLOCK_TRYLOCK(lck) \
- (((lck)->type == apr_anylock_none) \
- ? APR_SUCCESS \
- : (((lck)->type == apr_anylock_threadmutex) \
- ? apr_thread_mutex_trylock((lck)->lock.tm) \
- : (((lck)->type == apr_anylock_procmutex) \
- ? apr_proc_mutex_trylock((lck)->lock.pm) \
- : (((lck)->type == apr_anylock_readlock) \
- ? apr_thread_rwlock_tryrdlock((lck)->lock.rw) \
- : (((lck)->type == apr_anylock_writelock) \
- ? apr_thread_rwlock_trywrlock((lck)->lock.rw) \
- : APR_EINVAL)))))
- #else /* APR_HAS_THREADS */
- #define APR_ANYLOCK_TRYLOCK(lck) \
- (((lck)->type == apr_anylock_none) \
- ? APR_SUCCESS \
- : (((lck)->type == apr_anylock_procmutex) \
- ? apr_proc_mutex_trylock((lck)->lock.pm) \
- : APR_EINVAL))
- #endif /* APR_HAS_THREADS */
- #if APR_HAS_THREADS
- /** Unlock an apr_anylock_t structure */
- #define APR_ANYLOCK_UNLOCK(lck) \
- (((lck)->type == apr_anylock_none) \
- ? APR_SUCCESS \
- : (((lck)->type == apr_anylock_threadmutex) \
- ? apr_thread_mutex_unlock((lck)->lock.tm) \
- : (((lck)->type == apr_anylock_procmutex) \
- ? apr_proc_mutex_unlock((lck)->lock.pm) \
- : ((((lck)->type == apr_anylock_readlock) || \
- ((lck)->type == apr_anylock_writelock)) \
- ? apr_thread_rwlock_unlock((lck)->lock.rw) \
- : APR_EINVAL))))
- #else /* APR_HAS_THREADS */
- #define APR_ANYLOCK_UNLOCK(lck) \
- (((lck)->type == apr_anylock_none) \
- ? APR_SUCCESS \
- : (((lck)->type == apr_anylock_procmutex) \
- ? apr_proc_mutex_unlock((lck)->lock.pm) \
- : APR_EINVAL))
- #endif /* APR_HAS_THREADS */
- #endif /* !APR_ANYLOCK_H */
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