pthread_mutex_init(3) BSD Library Functions Manual pthread_mutex_init(3)
NAME
pthread_mutex_init -- create a mutex
SYNOPSIS
#include <pthread.h>
int
pthread_mutex_init(pthread_mutex_t *restrict mutex,
const pthread_mutexattr_t *restrict attr);
DESCRIPTION
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
pthread_mutex_init() will fail if:
[EAGAIN] The system temporarily lacks the resources to create
another mutex.
[EINVAL] The value specified by attr is invalid.
[ENOMEM] The process cannot allocate enough memory to create
another mutex.
SEE ALSO
pthread_mutex_destroy(3), pthread_mutex_lock(3),
pthread_mutex_trylock(3), pthread_mutex_unlock(3)
STANDARDS
pthread_mutex_init() conforms to ISO/IEC 9945-1:1996 (``POSIX.1'').
BSD July 29, 1998 BSD
Mac OS X 10.8 - Generated Thu Aug 30 05:56:16 CDT 2012