mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-15 03:01:09 +08:00
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
#ifndef _LTHREAD_RDWR_H
|
|
#define _LTHREAD_RDWR_H 1
|
|
|
|
/********************************************************
|
|
* An example source module to accompany...
|
|
*
|
|
* "Using POSIX Threads: Programming with Pthreads"
|
|
* by Brad nichols, Dick Buttlar, Jackie Farrell
|
|
* O'Reilly & Associates, Inc.
|
|
*
|
|
********************************************************
|
|
*
|
|
* Include file for reader/writer locks
|
|
*
|
|
*/
|
|
|
|
typedef struct rdwr_var {
|
|
int readers_reading;
|
|
int writer_writing;
|
|
pthread_mutex_t mutex;
|
|
pthread_cond_t lock_free;
|
|
} pthread_rdwr_t;
|
|
|
|
typedef void * pthread_rdwrattr_t;
|
|
|
|
#define pthread_rdwrattr_default NULL;
|
|
|
|
int pthread_rdwr_init_np(pthread_rdwr_t *rdwrp, pthread_rdwrattr_t *attrp);
|
|
int pthread_rdwr_rlock_np(pthread_rdwr_t *rdwrp);
|
|
int pthread_rdwr_runlock_np(pthread_rdwr_t *rdwrp);
|
|
int pthread_rdwr_wlock_np(pthread_rdwr_t *rdwrp);
|
|
int pthread_rdwr_wunlock_np(pthread_rdwr_t *rdwrp);
|
|
|
|
#ifdef LDAP_DEBUG
|
|
int pthread_rdwr_rchk_np(pthread_rdwr_t *rdwrp);
|
|
int pthread_rdwr_wchk_np(pthread_rdwr_t *rdwrp);
|
|
int pthread_rdwr_rwchk_np(pthread_rdwr_t *rdwrp);
|
|
#endif /* LDAP_DEBUG */
|
|
|
|
#endif /* _LTHREAD_RDWR_H */
|