pthread_rwlockattr_init()

Create a read-write lock attribute object

Synopsis:

#include <pthread.h>

int pthread_rwlockattr_init( 
       pthread_rwlockattr_t* attr );

Arguments:

attr

A pointer to the pthread_rwlockattr_t object that you want to initialize.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The pthread_rwlockattr_init() function initializes the specified read-write lock attribute object to its default values.

Changes made to a read-write lock attribute object changes after it's been used to initialize a read-write lock won't affect the previously initialized read-write locks.

Returns:

EOK

Success.

ENOMEM

There isn't enough memory available to initialize attr.

Classification:

POSIX 1003.1 THR

See also:

pthread_rwlockattr_destroy(), pthread_rwlockattr_getpshared(), pthread_rwlockattr_setpshared()

Processes and Threads chapter of Getting Started with QNX Neutrino