freebsd man page for pthread_mutex_init

PTHREAD_MUTEX_INIT(3)					   BSD Library Functions Manual 				     PTHREAD_MUTEX_INIT(3)

NAME
     pthread_mutex_init -- create a mutex

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>

     int
     pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *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 indi-
     cate 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.

SEE ALSO
     pthread_mutex_destroy(3), pthread_mutex_lock(3), pthread_mutex_trylock(3), pthread_mutex_unlock(3), pthread_mutexattr(3)

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

BSD
								 November 4, 2006							       BSD