NAME
pthread_mutex_init —
create a mutex
LIBRARY
library “libpthread”
SYNOPSIS
#include
<pthread.h>
int
pthread_mutex_init(pthread_mutex_t
* restrict mutex, const
pthread_mutexattr_t * restrict attr);
DESCRIPTION
Thepthread_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”).