pthread_mutex_init3
Create a mutex
Usage
#include <pthread.h>
int
pthread_mutex_init(pthread_mutex_t *restrict mutex, const pthread_mutexattr_t *restrict attr);
Library
POSIX Threads Library (libpthread, -lpthread)
Overview
The pthread_mutex_init() function creates a new mutex, with attributes specified with attr. If attr is NULL the default attributes are used.
Return values
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.
Errors
The pthread_mutex_init() function will fail if:
- [EINVAL]
-
The value specified by attr is invalid.
- [ENOMEM]
-
The process cannot allocate enough memory to create another mutex.
Releases
79 releases since FreeBSD 2.2.8-RELEASE; the text changed 42 times.