diff options
Diffstat (limited to 'nuttx/sched/wd_cancel.c')
| -rw-r--r-- | nuttx/sched/wd_cancel.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/nuttx/sched/wd_cancel.c b/nuttx/sched/wd_cancel.c deleted file mode 100644 index 0bd59cf89..000000000 --- a/nuttx/sched/wd_cancel.c +++ /dev/null @@ -1,165 +0,0 @@ -/**************************************************************************** - * sched/wd_cancel.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 <stdbool.h> -#include <assert.h> -#include <wdog.h> -#include <nuttx/arch.h> - -#include "os_internal.h" -#include "wd_internal.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Global Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: wd_cancel - * - * Description: - * This function cancels a currently running watchdog timer. Watchdog - * timers may be canceled from the interrupt level. - * - * Parameters: - * wdid - ID of the watchdog to cancel. - * - * Return Value: - * OK or ERROR - * - * Assumptions: - * - ****************************************************************************/ - -int wd_cancel (WDOG_ID wdid) -{ - wdog_t *curr; - wdog_t *prev; - irqstate_t saved_state; - int ret = ERROR; - - /* Prohibit timer interactions with the timer queue until the - * cancellation is complete - */ - - saved_state = irqsave(); - - /* Make sure that the watchdog is initialed (non-NULL) and is still active */ - - if (wdid && wdid->active) - { - /* Search the g_wdactivelist for the target FCB. We can't use sq_rem - * to do this because there are additional operations that need to be - * done. - */ - - prev = NULL; - curr = (wdog_t*)g_wdactivelist.head; - - while((curr) && (curr != wdid)) - { - prev = curr; - curr = curr->next; - } - - /* Check if the watchdog was found in the list. If not, then an OS - * error has occurred because the watchdog is marked active! - */ - - if (!curr) - { - PANIC(OSERR_WDOGNOTFOUND); - } - else - { - /* If there is a watchdog in the timer queue after the one that - * is being canceled, then it inherits the remaining ticks. - */ - - if (curr->next) - { - curr->next->lag += curr->lag; - } - - /* Now, remove the watchdog from the timer queue */ - - if (prev) - { - (void)sq_remafter((FAR sq_entry_t*)prev, &g_wdactivelist); - } - else - { - (void)sq_remfirst(&g_wdactivelist); - } - wdid->next = NULL; - - /* Return success */ - - ret = OK; - } - - /* Mark the watchdog inactive */ - - wdid->active = false; - } - - irqrestore(saved_state); - return ret; -} |