MirOS Manual: pthread_mutex_init(3)

PTHREAD_MUTEX_INIT(3)      BSD Programmer's Manual       PTHREAD_MUTEX_INIT(3)

NAME

     pthread_mutex_init - create a mutex

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 mu-
     tex ID into mutex, otherwise an error number will be returned to indicate
     the error.

ERRORS

     pthread_mutex_init() 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)

STANDARDS

     pthread_mutex_init() conforms to ISO/IEC 9945-1:1996 ("POSIX").

MirOS BSD #10-current           July 29, 1998                                1

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