pthread_mutexattr_init, pthread_mutexattr_destroy - initialize and destroy a mutex attributes object
Contents
Description
The pthread_mutexattr_init() function initializes the mutex attributes object pointed to by attr with
default values for all attributes defined by the implementation.
The results of initializing an already initialized mutex attributes object are undefined.
The pthread_mutexattr_destroy() function destroys a mutex attribute object (making it uninitialized).
Once a mutex attributes object has been destroyed, it can be reinitialized with pthread_mutexattr_init().
The results of destroying an uninitialized mutex attributes object are undefined.
History
POSIX.1-2001.
Library
POSIX threads library (libpthread, -lpthread)
Name
pthread_mutexattr_init, pthread_mutexattr_destroy - initialize and destroy a mutex attributes object
Notes
Subsequent changes to a mutex attributes object do not affect mutex that have already been initialized
using that object.
Return Value
On success, these functions return 0. On error, they return a positive error number.
See Also
pthread_mutex_init(3), pthread_mutexattr_getpshared(3), pthread_mutexattr_getrobust(3), pthreads(7) Linux man-pages 6.9.1 2024-05-02 pthread_mutexattr_init(3)
Standards
POSIX.1-2008.
Synopsis
#include<pthread.h>intpthread_mutexattr_init(pthread_mutexattr_t*attr);intpthread_mutexattr_destroy(pthread_mutexattr_t*attr);