PTHREAD_MUTEX_INIT(3) BSD Library Functions Manual PTHREAD_MUTEX_INIT(3)NAMEpthread_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 ALSOpthread_mutexattr(3), pthread_mutex_destroy(3), pthread_mutex_lock(3),
pthread_mutex_trylock(3), pthread_mutex_unlock(3)STANDARDS
The pthread_mutex_init() function conforms to ISO/IEC 9945-1:1996
(“POSIX.1”).
BSD November 4, 2006 BSD