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PTHREAD_MUTEXATTR_INIT

Section: Linux Programmer's Manual (3)
Updated: 2017-08-20
Index Return to Main Contents
 

NAME

pthread_mutexattr_init, pthread_mutexattr_destroy - initialize and destroy a mutex attributes object  

SYNOPSIS

#include <pthread.h>

int pthread_mutex_init(pthread_mutexattr_t *attr);
int pthread_mutex_destroy(pthread_mutexattr_t *attr);

Compile and link with -pthread.  

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.  

RETURN VALUE

On success, these functions return 0. On error, they return a positive error number.  

CONFORMING TO

POSIX.1-2001, POSIX.1-2008.  

NOTES

Subsequent changes to a mutex attributes object do not affect mutex that have already been initialized using that object.  

SEE ALSO

pthread_mutex_init(3), pthread_mutexattr_getrobust(3), pthread_mutexattr_getpshared(3), pthreads(7)  

COLOPHON

This page is part of release 4.13 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
NOTES
SEE ALSO
COLOPHON


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