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-rw-r--r--nuttx/sched/wd_delete.c127
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diff --git a/nuttx/sched/wd_delete.c b/nuttx/sched/wd_delete.c
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--- a/nuttx/sched/wd_delete.c
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-/****************************************************************************
- * sched/wd_delete.c
- *
- * Copyright (C) 2007-2009 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 <nuttx/config.h>
-
-#include <wdog.h>
-#include <queue.h>
-#include <errno.h>
-
-#include <nuttx/arch.h>
-
-#include "wd_internal.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Type Declarations
- ****************************************************************************/
-
-/****************************************************************************
- * Global Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: wd_delete
- *
- * Description:
- * The wd_delete function will deallocate a watchdog by returning it to
- * the free pool of watchdogs. The watchdog will be removed from the timer
- * queue if has been started.
- *
- * Parameters:
- * wdId - The watchdog ID to delete. This is actually a pointer to a
- * watchdog structure.
- *
- * Return Value:
- * Returns OK or ERROR
- *
- * Assumptions:
- * The caller has assured that the watchdog is no longer in use.
- *
- ****************************************************************************/
-
-int wd_delete(WDOG_ID wdId)
-{
- irqstate_t saved_state;
-
- /* Verify that a valid watchdog was provided */
-
- if (!wdId)
- {
- set_errno(EINVAL);
- return ERROR;
- }
-
- /* The following steps are atomic... the watchdog must not be active when
- * it is being deallocated.
- */
-
- saved_state = irqsave();
-
- /* Check if the watchdog has been started. */
-
- if (wdId->active)
- {
- wd_cancel(wdId);
- }
-
- /* Put the watchdog back on the free list */
-
- sq_addlast((FAR sq_entry_t*)wdId, &g_wdfreelist);
- irqrestore(saved_state);
-
- /* Return success */
-
- return OK;
-}