pthread_mutex_init man page on MacOSX

pthread_mutex_init man page on MacOSX

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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

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