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Caution: This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

pthread_barrierattr_setpshared()

Set the value of a barrier's process-shared attribute

Synopsis:

#include <sync.h>

int pthread_barrierattr_setpshared( 
                        pthread_barrierattr_t * attr
                        int pshared );

Arguments:

attr
A pointer to the pthread_barrierattr_t object whose attribute you want to set. You must have initialized this object by calling pthread_barrierattr_init() before calling pthread_barrierattr_setpshared().
pshared
The new value of the process-shared attribute; one of:

Library:

libc

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

Description:

The pthread_barrierattr_setpshared() function sets the process-shared attribute in an initialized attributes object referenced by attr.

Returns:

EOK
Success.
EINVAL
The attribute object, attr, or the new value specified in pshared isn't valid.

Classification:

POSIX 1003.1 THR BAR TSH

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

See also:

pthread_barrier_init() pthread_barrierattr_destroy(), pthread_barrierattr_getpshared(), pthread_barrierattr_init()


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