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120 lines
3.6 KiB
C
120 lines
3.6 KiB
C
#ifndef FIBER_LOCK_INCLUDE_H
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#define FIBER_LOCK_INCLUDE_H
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#include "fiber_define.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* fiber locking */
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/**
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* fiber mutex, thread unsafety, one fiber mutex can only be used in the
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* same thread, otherwise the result is unpredictable
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*/
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typedef struct ACL_FIBER_MUTEX ACL_FIBER_MUTEX;
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/**
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* fiber read/write mutex, thread unsafety, can only be used in the sampe thread
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*/
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typedef struct ACL_FIBER_RWLOCK ACL_FIBER_RWLOCK;
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/**
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* create one fiber mutex, can only be used in the same thread
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* @return {ACL_FIBER_MUTEX*} fiber mutex returned
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*/
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FIBER_API ACL_FIBER_MUTEX* acl_fiber_mutex_create(void);
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/**
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* free fiber mutex created by acl_fiber_mutex_create
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* @param l {ACL_FIBER_MUTEX*} created by acl_fiber_mutex_create
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*/
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FIBER_API void acl_fiber_mutex_free(ACL_FIBER_MUTEX* l);
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/**
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* lock the specified fiber mutex, return immediately when locked, or will
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* wait until the mutex can be used
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* @param l {ACL_FIBER_MUTEX*} created by acl_fiber_mutex_create
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*/
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FIBER_API void acl_fiber_mutex_lock(ACL_FIBER_MUTEX* l);
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/**
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* try lock the specified fiber mutex, return immediately no matter the mutex
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* can be locked.
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* @param l {ACL_FIBER_MUTEX*} created by acl_fiber_mutex_create
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* @return {int} 0 returned when locking successfully, -1 when locking failed
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*/
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FIBER_API int acl_fiber_mutex_trylock(ACL_FIBER_MUTEX* l);
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/**
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* the fiber mutex be unlock by its owner fiber, fatal will happen when others
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* release the fiber mutex
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* @param l {ACL_FIBER_MUTEX*} created by acl_fiber_mutex_create
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*/
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FIBER_API void acl_fiber_mutex_unlock(ACL_FIBER_MUTEX* l);
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/****************************************************************************/
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/**
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* create one fiber rwlock, can only be operated in the sampe thread
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* @return {ACL_FIBER_RWLOCK*}
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*/
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FIBER_API ACL_FIBER_RWLOCK* acl_fiber_rwlock_create(void);
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/**
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* free rw mutex created by acl_fiber_rwlock_create
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* @param l {ACL_FIBER_RWLOCK*} created by acl_fiber_rwlock_create
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*/
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FIBER_API void acl_fiber_rwlock_free(ACL_FIBER_RWLOCK* l);
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/**
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* lock the rwlock, if there is no any write locking on it, the
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* function will return immediately; otherwise, the caller will wait for all
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* write locking be released. Read lock on it will successful when returning
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* @param l {ACL_FIBER_RWLOCK*} created by acl_fiber_rwlock_create
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*/
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FIBER_API void acl_fiber_rwlock_rlock(ACL_FIBER_RWLOCK* l);
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/**
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* try to locking the Readonly lock, return immediately no matter locking
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* is successful.
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* @param l {ACL_FIBER_RWLOCK*} crated by acl_fiber_rwlock_create
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* @retur {int} 1 returned when successfully locked, or 0 returned if locking
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* operation is failed.
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*/
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FIBER_API int acl_fiber_rwlock_tryrlock(ACL_FIBER_RWLOCK* l);
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/**
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* lock the rwlock in Write Lock mode, return until no any one locking it
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* @param l {ACL_FIBER_RWLOCK*} created by acl_fiber_rwlock_create
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*/
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FIBER_API void acl_fiber_rwlock_wlock(ACL_FIBER_RWLOCK* l);
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/**
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* try to lock the rwlock in Write Lock mode. return immediately no matter
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* locking is successful.
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* @param l {ACL_FIBER_RWLOCK*} created by acl_fiber_rwlock_create
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* @return {int} 1 returned when locking successfully, or 0 returned when
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* locking failed
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*/
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FIBER_API int acl_fiber_rwlock_trywlock(ACL_FIBER_RWLOCK* l);
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/**
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* the rwlock's Read-Lock owner unlock the rwlock
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* @param l {ACL_FIBER_RWLOCK*} crated by acl_fiber_rwlock_create
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*/
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FIBER_API void acl_fiber_rwlock_runlock(ACL_FIBER_RWLOCK* l);
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/**
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* the rwlock's Write-Lock owner unlock the rwlock
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* @param l {ACL_FIBER_RWLOCK*} created by acl_fiber_rwlock_create
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*/
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FIBER_API void acl_fiber_rwlock_wunlock(ACL_FIBER_RWLOCK* l);
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#ifdef __cplusplus
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}
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#endif
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#endif
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