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PTHREAD_MUTEX_INIT(3) Library Functions Manual PTHREAD_MUTEX_INIT(3)

pthread_mutex_initcreate a mutex

library “libpthread”

#include <pthread.h>

int
pthread_mutex_init(pthread_mutex_t * restrict mutex, const pthread_mutexattr_t * restrict attr);

The () function creates a new mutex, with attributes specified with attr. If attr is NULL the default attributes are used.

If successful, pthread_mutex_init() will return zero and put the new mutex id into mutex, otherwise an error number will be returned to indicate the error.

The pthread_mutex_init() function will fail if:

[]
The value specified by attr is invalid.
[]
The process cannot allocate enough memory to create another mutex.

pthread_mutexattr(3), pthread_mutex_destroy(3), pthread_mutex_getprioceiling(3), pthread_mutex_lock(3), pthread_mutex_setprioceiling(3), pthread_mutex_timedlock(3), pthread_mutex_trylock(3), pthread_mutex_unlock(3)

The pthread_mutex_init() function conforms to ISO/IEC 9945-1:1996 (“POSIX.1”).

February 22, 2018 DragonFly-5.6.1