forked from xuos/xiuos
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file sys_kill.c
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* @brief task exit syscall
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* @version 3.0
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* @author AIIT XUOS Lab
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* @date 2024.03.19
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*/
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/*************************************************
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File name: sys_kill.c
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Description: task kill syscall
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Others:
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History:
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1. Date: 2023-03-19
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Author: AIIT XUOS Lab
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Modification:
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1. first version
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*************************************************/
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#include "trap_common.h"
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#include "task.h"
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extern int sys_exit(struct Thread* task);
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int sys_kill(int id)
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{
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struct Thread* task = NULL;
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// check if task is a running one
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DOUBLE_LIST_FOR_EACH_ENTRY(task, &xizi_task_manager.task_running_list_head, node)
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{
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if (task->tid == id) {
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sys_exit(task);
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return 0;
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}
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}
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// check if task is a blocking one
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DOUBLE_LIST_FOR_EACH_ENTRY(task, &xizi_task_manager.task_blocked_list_head, node)
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{
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if (task->tid == id) {
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sys_exit(task);
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return 0;
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}
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}
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// check if task is a ready one
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for (int prio = 0; prio < TASK_MAX_PRIORITY; prio++) {
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DOUBLE_LIST_FOR_EACH_ENTRY(task, &xizi_task_manager.task_list_head[prio], node)
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{
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if (task->tid == id) {
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sys_exit(task);
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return 0;
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}
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}
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}
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return -1;
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} |