/**************************************************************************** * sched/task/task_recover.c * * 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 #include #include #include #include #include "semaphore/semaphore.h" #include "wdog/wdog.h" #include "mqueue/mqueue.h" #include "sched/sched.h" #include "task/task.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: nxtask_recover * * Description: * This function is called when a task is deleted via task_delete() or * via pthread_cancel. I checks checks for semaphores, message queue, and * watchdog timer resources stranded in bad conditions. * * Input Parameters: * tcb - The TCB of the terminated task or thread * * Returned Value: * None. * * Assumptions: * This function is called from task deletion logic in a safe context. * ****************************************************************************/ void nxtask_recover(FAR struct tcb_s *tcb) { /* The task is being deleted. Cancel in pending timeout events. */ wd_recover(tcb); /* If the thread holds semaphore counts or is waiting for a semaphore * count, then release the counts. */ nxsem_recover(tcb); #ifndef CONFIG_DISABLE_MQUEUE /* Handle cases where the thread was waiting for a message queue event */ nxmq_recover(tcb); #endif #ifdef CONFIG_SCHED_SPORADIC if ((tcb->flags & TCB_FLAG_POLICY_MASK) == TCB_FLAG_SCHED_SPORADIC) { /* Stop current sporadic scheduling */ DEBUGVERIFY(nxsched_stop_sporadic(tcb)); } #endif }