1 /* 2 * Copyright (c) 2009-2022 Huawei Technologies Co., Ltd. All rights reserved. 3 * 4 * UniProton is licensed under Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * http://license.coscl.org.cn/MulanPSL2 8 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 9 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 10 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 11 * See the Mulan PSL v2 for more details. 12 * Create: 2009-12-22 13 * Description: Task schedule implementation 14 */ 15 #include "prt_task_internal.h" 16 17 #if defined(OS_OPTION_TASK_DELETE) 18 OsTaskDeleteResInit(struct TagTskCb * taskCb)19OS_SEC_L4_TEXT void OsTaskDeleteResInit(struct TagTskCb *taskCb) 20 { 21 22 if (((OS_TSK_PEND | OS_TSK_QUEUE_PEND) & taskCb->taskStatus) != 0) { 23 ListDelete(&taskCb->pendList); 24 } 25 26 if (((OS_TSK_DELAY | OS_TSK_TIMEOUT) & taskCb->taskStatus) != 0) { 27 ListDelete(&taskCb->timerList); 28 } 29 30 if ((OS_TSK_READY & taskCb->taskStatus) != 0) { 31 OsTskReadyDel(taskCb); 32 } 33 34 taskCb->taskStatus &= (~(OS_TSK_SUSPEND)); 35 taskCb->taskStatus |= OS_TSK_UNUSED; 36 37 return; 38 } 39 40 /* 41 * 描述：删除一个任务线程 42 */ OsTaskDelete(TskHandle taskPid)43OS_SEC_L4_TEXT U32 OsTaskDelete(TskHandle taskPid) 44 { 45 U32 ret; 46 uintptr_t intSave; 47 struct TagTskCb *taskCb = NULL; 48 49 if (taskPid == IDLE_TASK_ID) { 50 return OS_ERRNO_TSK_OPERATE_IDLE; 51 } 52 53 if (CHECK_TSK_PID_OVERFLOW(taskPid)) { 54 return OS_ERRNO_TSK_ID_INVALID; 55 } 56 57 intSave = OsIntLock(); 58 59 taskCb = GET_TCB_HANDLE(taskPid); 60 if (TSK_IS_UNUSED(taskCb)) { 61 OsIntRestore(intSave); 62 return OS_ERRNO_TSK_NOT_CREATED; 63 } 64 65 ret = OsTaskDelStatusCheck(taskCb); 66 if (ret != OS_OK) { 67 OsIntRestore(intSave); 68 return ret; 69 } 70 71 OsTaskDeleteResInit(taskCb); 72 73 OsTskHighestSet(); 74 75 if ((OS_TSK_RUNNING & taskCb->taskStatus) != 0) { 76 UNI_FLAG |= OS_FLG_TSK_REQ; 77 78 ListTailAdd(&taskCb->pendList, &g_tskRecyleList); 79 80 RUNNING_TASK = OS_PST_ZOMBIE_TASK; 81 RUNNING_TASK->taskPid = taskPid; 82 RUNNING_TASK->taskStatus = taskCb->taskStatus; 83 84 taskCb->taskStatus = OS_TSK_UNUSED; 85 86 if (OS_INT_INACTIVE) { 87 OsTaskTrap(); 88 OsIntRestore(intSave); 89 90 return OS_OK; 91 } 92 } else { 93 taskCb->taskStatus = OS_TSK_UNUSED; 94 ListAdd(&taskCb->pendList, &g_tskCbFreeList); 95 OsTskResRecycle(taskCb); 96 } 97 98 OsIntRestore(intSave); 99 100 /* if deleteing current task this is unreachable. */ 101 return OS_OK; 102 } 103 104 #endif 105 106