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PTHREAD_MUTEX_INIT(3) DragonFly 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 * 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

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_mutexattr(3), pthread_mutex_destroy(3), pthread_mutex_getprioceiling(3), pthread_mutex_lock(3), pthread_mutex_setprioceiling(3), pthread_mutex_timedlock(3), pthread_mutex_trylock(3), pthread_mutex_unlock(3)

STANDARDS

The pthread_mutex_init() function conforms to ISO/IEC 9945-1:1996 (``POSIX.1''). DragonFly 5.1 February 22, 2018 DragonFly 5.1

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