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pthread_mutexattr_init()

Initialize mutex attribute object

Synopsis:

#include <pthread.h>

int pthread_mutexattr_init(
            const pthread_mutexattr_t* attr );

Library:

libc

Description:

The pthread_mutexattr_init() function initializes the attributes in the mutex attribute object attr to their default values. After a mutex attribute object has been initialized it can be used to initialize one or more mutexes using the pthread_mutex_init() function.

The mutex attributes and their default values are:

Attribute Default Value
protocol PTHREAD_PRIO_INHERIT
recursive PTHREAD_RECURSIVE_DISABLE

Returns:

EOK
Success.
ENOMEM
Insufficient memory to initialize mutex attribute object attr.

Classification:

POSIX 1003.1 (Threads)

Safety:
Cancellation point No
Interrupt handler No
Signal handler Yes
Thread Yes

See also:

pthread_mutexattr_destroy(), pthread_mutexattr_getprioceiling(), pthread_mutexattr_getprotocol(), pthread_mutexattr_getpshared(), pthread_mutexattr_getrecursive(), pthread_mutexattr_setprioceiling(), pthread_mutexattr_setprotocol(), pthread_mutexattr_setpshared(), pthread_mutexattr_setrecursive()


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