pthread_mutex_init - create a mutex

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards

.Lb libc_r
.Lb libpthread
.Lb libthr

.In pthread.h int pthread_mutex_init pthread_mutex_t *mutex const pthread_mutexattr_t *attr

The pthread_mutex_init function creates a new mutex, with attributes specified with attr. If attr is NULL the default attributes are used.

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.

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.

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

The pthread_mutex_init function conforms to -p1003.1-96.

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