a0ce81d659
to save the preserved space(1KB) and also avoid the heap overhead Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com> Change-Id: I694073f68e1bd63960cedeea1ddec441437be025
79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/****************************************************************************
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* sched/wdog/wd_initialize.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <queue.h>
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#include "wdog/wdog.h"
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* The g_wdactivelist data structure is a singly linked list ordered by
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* watchdog expiration time. When watchdog timers expire,the functions on
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* this linked list are removed and the function is called.
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*/
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sq_queue_t g_wdactivelist;
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/* This is wdog tickbase, for wd_gettime() may called many times
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* between 2 times of wd_timer(), we use it to update wd_gettime().
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*/
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#ifdef CONFIG_SCHED_TICKLESS
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clock_t g_wdtickbase;
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: wd_initialize
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*
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* Description:
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* This function initializes the watchdog data structures
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* This function must be called early in the initialization sequence
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* before the timer interrupt is attached and before any watchdog
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* services are used.
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*
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****************************************************************************/
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void wd_initialize(void)
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{
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/* Initialize watchdog lists */
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sq_init(&g_wdactivelist);
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}
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