NAME    [Toc]    [Back]

     pthread_mutex_init -- create a mutex

LIBRARY    [Toc]    [Back]

     Reentrant C Library (libc_r, -lc_r)

SYNOPSIS    [Toc]    [Back]

     #include <pthread.h>

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

DESCRIPTION    [Toc]    [Back]

     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    [Toc]    [Back]

     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    [Toc]    [Back]

     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.

     [EAGAIN]		The temporarily lacks the resources to create another
			mutex.

SEE ALSO    [Toc]    [Back]

     pthread_mutex_destroy(3), pthread_mutex_lock(3),
     pthread_mutex_trylock(3), pthread_mutex_unlock(3)

STANDARDS    [Toc]    [Back]

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


FreeBSD 5.2.1			 July 29, 1998			 FreeBSD 5.2.1