diff options
Diffstat (limited to 'nuttx/sched/pthread_setcancelstate.c')
-rw-r--r-- | nuttx/sched/pthread_setcancelstate.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/nuttx/sched/pthread_setcancelstate.c b/nuttx/sched/pthread_setcancelstate.c deleted file mode 100644 index 2c6bf3083..000000000 --- a/nuttx/sched/pthread_setcancelstate.c +++ /dev/null @@ -1,131 +0,0 @@ -/****************************************************************************************** - * pthread_setcancelstate.c - * - * Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * 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. - * - ******************************************************************************************/ - -/****************************************************************************************** - * Included Files - ******************************************************************************************/ - -#include <pthread.h> -#include <errno.h> -#include "os_internal.h" - -/****************************************************************************************** - * Private Definitions - ******************************************************************************************/ - -/****************************************************************************************** - * Private Types - ******************************************************************************************/ - -/****************************************************************************************** - * Private Function Prototypes - ******************************************************************************************/ - -/****************************************************************************************** - * Global Variables - ******************************************************************************************/ - -/****************************************************************************************** - * Private Variables - ******************************************************************************************/ - -/****************************************************************************************** - * Private Functions - ******************************************************************************************/ - -/****************************************************************************************** - * Public Functions - ******************************************************************************************/ - -/****************************************************************************************** - * Name: pthread_setcancelstate - ******************************************************************************************/ - -int pthread_setcancelstate(int state, FAR int *oldstate) -{ - _TCB *tcb = (_TCB*)g_readytorun.head; - int ret = OK; - - /* Suppress context changes for a bit so that the flags are stable. (the - * flags should not change in interrupt handling). - */ - - sched_lock(); - - /* Return the current state if so requrested */ - - if (oldstate) - { - if ((tcb->flags & TCB_FLAG_NONCANCELABLE) != 0) - { - *oldstate = PTHREAD_CANCEL_DISABLE; - } - else - { - *oldstate = PTHREAD_CANCEL_ENABLE; - } - } - - /* Set the new cancellation state */ - - if (state == PTHREAD_CANCEL_ENABLE) - { - unsigned flags = tcb->flags; - - /* Clear the non-cancelable and cancel pending flags */ - - tcb->flags &= ~(TCB_FLAG_NONCANCELABLE|TCB_FLAG_CANCEL_PENDING); - - /* If the cancel was pending, then just exit as requested */ - - if (flags & TCB_FLAG_CANCEL_PENDING) - { - pthread_exit(PTHREAD_CANCELED); - } - } - else if (state == PTHREAD_CANCEL_DISABLE) - { - /* Set the non-cancelable state */ - - tcb->flags |= TCB_FLAG_NONCANCELABLE; - } - else - { - ret = EINVAL; - } - - sched_unlock(); - return ret; -} |