/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup POSIXAPI
*
* @brief Sets the Cancelability Type of Calling Thread to value given in type
*/
/*
* COPYRIGHT (c) 1989-2009.
* On-Line Applications Research Corporation (OAR).
*
* Copyright (c) 2016 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <errno.h>
#include <rtems/score/isr.h>
#include <rtems/score/threadimpl.h>
/*
* 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183
*/
int pthread_setcanceltype(
int type,
int *oldtype
)
{
Thread_Life_state set_life_state;
Thread_Life_state previous_life_state;
if ( _ISR_Is_in_progress() ) {
return EPROTO;
}
if ( type == PTHREAD_CANCEL_DEFERRED ) {
set_life_state = THREAD_LIFE_CHANGE_DEFERRED;
} else if ( type == PTHREAD_CANCEL_ASYNCHRONOUS ) {
set_life_state = 0;
} else {
return EINVAL;
}
previous_life_state = _Thread_Change_life(
THREAD_LIFE_CHANGE_DEFERRED,
set_life_state,
0
);
if ( oldtype != NULL ) {
if ( ( previous_life_state & THREAD_LIFE_CHANGE_DEFERRED ) != 0 ) {
*oldtype = PTHREAD_CANCEL_DEFERRED;
} else {
*oldtype = PTHREAD_CANCEL_ASYNCHRONOUS;
}
}
return 0;
}
