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refactor: 优化任务状态，EXIT状态仅表示任务已退出 

Signed-off-by: zhushengle <zhushengle@huawei.com>
Change-Id: I53e98540af4deb44e64f6879df340b27efb201b8
This commit is contained in:
zhushengle 2022-04-02 14:55:20 +08:00
parent e34c4050f9
commit 4e9f8c71f9
3 changed files with 11 additions and 6 deletions
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5
kernel/include/los_task.h
View File

@ -1503,6 +1503,11 @@ typedef struct {
LOSCFG_TASK_STRUCT_EXTENSION /**< Task extension field */
} LosTaskCB;
STATIC INLINE BOOL OsTaskIsExit(const LosTaskCB *taskCB)
{
return ((taskCB->taskStatus & OS_TASK_STATUS_EXIT) != 0);
}
typedef struct {
LosTaskCB *runTask;
LosTaskCB *newTask;

1
kernel/src/los_sched.c
View File

@ -268,6 +268,7 @@ VOID OsSchedTaskExit(LosTaskCB *taskCB)
OsDeleteSortLink(&taskCB->sortList);
taskCB->taskStatus &= ~(OS_TASK_STATUS_DELAY | OS_TASK_STATUS_PEND_TIME);
}
taskCB->taskStatus |= OS_TASK_STATUS_EXIT;
}
VOID OsSchedYield(VOID)

11
kernel/src/los_task.c
View File

@ -146,7 +146,7 @@ STATIC VOID OsRecycleTaskResources(LosTaskCB *taskCB, UINTPTR *stackPtr)
taskCB->topOfStack = (UINT32)NULL;
taskCB->taskStatus &= ~OS_TASK_FLAG_STACK_FREE;
}
if (!(taskCB->taskStatus & OS_TASK_STATUS_EXIT)) {
if (!(taskCB->taskStatus & OS_TASK_FLAG_JOINABLE)) {
OsInsertTCBToFreeList(taskCB);
}
}
@ -164,7 +164,7 @@ STATIC VOID OsRecyleFinishedTask(VOID)
stackPtr = 0;
OsRecycleTaskResources(taskCB, &stackPtr);
LOS_IntRestore(intSave);
(VOID)LOS_MemFree(OS_TASK_STACK_ADDR, (VOID *)stackPtr);
intSave = LOS_IntLock();
}
@ -931,7 +931,6 @@ STATIC VOID OsTaskJoinPostUnsafe(LosTaskCB *taskCB)
resumedTask = OS_TCB_FROM_PENDLIST(LOS_DL_LIST_FIRST(&(taskCB->joinList)));
OsSchedTaskWake(resumedTask);
}
taskCB->taskStatus |= OS_TASK_STATUS_EXIT;
}
}
@ -1003,7 +1002,7 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_TaskJoin(UINT32 taskID, UINTPTR *retval)
}
intSave = LOS_IntLock();
taskCB->taskStatus &= ~OS_TASK_STATUS_EXIT;
taskCB->taskStatus &= ~OS_TASK_FLAG_JOINABLE;
OsRecycleTaskResources(taskCB, &stackPtr);
LOS_IntRestore(intSave);
(VOID)LOS_MemFree(OS_TASK_STACK_ADDR, (VOID *)stackPtr);
@ -1101,8 +1100,8 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_TaskDelete(UINT32 taskID)
}
OsHookCall(LOS_HOOK_TYPE_TASK_DELETE, taskCB);
OsSchedTaskExit(taskCB);
OsTaskJoinPostUnsafe(taskCB);
OsSchedTaskExit(taskCB);
LOS_EventDestroy(&(taskCB->event));
taskCB->event.uwEventID = OS_NULL_INT;
@ -1122,7 +1121,7 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_TaskDelete(UINT32 taskID)
LOSCFG_TASK_DELETE_EXTENSION_HOOK(taskCB);
if (taskCB->taskStatus & OS_TASK_STATUS_RUNNING) {
if (!(taskCB->taskStatus & OS_TASK_STATUS_EXIT)) {
if (!(taskCB->taskStatus & OS_TASK_FLAG_JOINABLE)) {
taskCB->taskStatus |= OS_TASK_STATUS_UNUSED;
OsRunningTaskDelete(taskID, taskCB);
}