eb9030c891
Most tools used for compliance and SBOM generation use SPDX identifiers This change brings us a step closer to an easy SBOM generation. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
/****************************************************************************
|
|
* sched/wdog/wd_cancel.c
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdbool.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/irq.h>
|
|
#include <nuttx/arch.h>
|
|
#include <nuttx/wdog.h>
|
|
|
|
#include "sched/sched.h"
|
|
#include "wdog/wdog.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: wd_cancel
|
|
*
|
|
* Description:
|
|
* This function cancels a currently running watchdog timer. Watchdog
|
|
* timers may be canceled from the interrupt level.
|
|
*
|
|
* Input Parameters:
|
|
* wdog - ID of the watchdog to cancel.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; A negated errno value is returned to
|
|
* indicate the nature of any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int wd_cancel(FAR struct wdog_s *wdog)
|
|
{
|
|
irqstate_t flags;
|
|
int ret;
|
|
|
|
flags = enter_critical_section();
|
|
|
|
ret = wd_cancel_irq(wdog);
|
|
|
|
leave_critical_section(flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: wd_cancel_irq
|
|
*
|
|
* Description:
|
|
* This function cancels a currently running watchdog timer. Watchdog
|
|
* timers may be cancelled from the interrupt level. This function is
|
|
* intended to be called from critical sections.
|
|
*
|
|
* Input Parameters:
|
|
* wdog - ID of the watchdog to cancel.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; A negated errno value is returned to
|
|
* indicate the nature of any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int wd_cancel_irq(FAR struct wdog_s *wdog)
|
|
{
|
|
if (wdog == NULL)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Prohibit timer interactions with the timer queue until the
|
|
* cancellation is complete
|
|
*/
|
|
|
|
/* Make sure that the watchdog is still active. */
|
|
|
|
if (WDOG_ISACTIVE(wdog))
|
|
{
|
|
bool head = list_is_head(&g_wdactivelist, &wdog->node);
|
|
|
|
/* Now, remove the watchdog from the timer queue */
|
|
|
|
list_delete(&wdog->node);
|
|
|
|
/* Mark the watchdog inactive */
|
|
|
|
wdog->func = NULL;
|
|
|
|
if (head)
|
|
{
|
|
/* If the watchdog is at the head of the timer queue, then
|
|
* we will need to re-adjust the interval timer that will
|
|
* generate the next interval event.
|
|
*/
|
|
|
|
nxsched_reassess_timer();
|
|
}
|
|
}
|
|
|
|
return OK;
|
|
}
|