pthread_mutexattr_create(3thr)pthread_mutexattr_create(3thr)Namepthread_mutexattr_create - Creates a mutex attributes object that is
used to specify the attributes of mutexes when they are created.
Syntax
#include <pthread.h>
int pthread_mutexattr_create (attr)
pthread_mutexattr_t *attr;
Arguments
attr Mutex attributes object created.
Description
This routine creates a mutex attributes object used to specify the
attributes of mutexes when they are created. The mutex attributes
object is initialized with the default value for all of the attributes
defined by a given implementation.
When a mutex attributes object is used to create a mutex, the values of
the individual attributes determine the characteristics of the new
object. Attributes objects act like additional arguments to object cre‐
ation. Changing individual attributes does not affect any objects that
were previously created using the attributes object.
Return Values
The created mutex attributes object is returned to the attr argument.
If an error condition occurs, this routine returns -1 and sets errno to
the corresponding error value. Possible return values are as follows.
Return Error Description
0 Successful comple‐
tion.
-1 [ENOMEM] Insufficient memory
exists to create
the mutex
attributes object.
pthread_mutexattr_create(3thr)
