yystopf/openharmony_kernel_liteos_m
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feature: Support kernel signal and POSIX API.

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内核支持信号功能，支持注册、屏蔽、等待及触发等操作。

close #I4R72Q

Signed-off-by: JerryH <huangjieliang@huawei.com>
Change-Id: I26fb11a03d1899c6f7e665f0798824c578d592a6
This commit is contained in:
JerryH
2022-01-20 10:06:59 +08:00
parent 1f8151649b
commit 8d7468b44c
49 changed files with 1847 additions and 188 deletions
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24
kernel/src/los_task.c
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@@ -683,7 +683,10 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsNewTaskInit(LosTaskCB *taskCB, TSK_INIT_PARAM_S *
taskCB->eventMask = 0;
taskCB->taskName = taskInitParam->pcName;
taskCB->msg = NULL;
taskCB->stackPointer = ArchTskStackInit(taskCB->taskID, taskInitParam->uwStackSize, topOfStack);
#if (LOSCFG_KERNEL_SIGNAL == 1)
taskCB->sig = NULL;
#endif
SET_SORTLIST_VALUE(&taskCB->sortList, OS_SORT_LINK_INVALID_TIME);
LOS_EventInit(&(taskCB->event));
@@ -691,6 +694,10 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsNewTaskInit(LosTaskCB *taskCB, TSK_INIT_PARAM_S *
taskCB->taskStatus |= OS_TASK_FLAG_JOINABLE;
LOS_ListInit(&taskCB->joinList);
}
*((UINT32 *)taskCB->topOfStack) = OS_TASK_MAGIC_WORD;
taskCB->stackPointer = ArchTskStackInit(taskCB->taskID, taskCB->stackSize, (VOID *)taskCB->topOfStack);
return LOS_OK;
}
@@ -744,6 +751,9 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_TaskCreateOnly(UINT32 *taskID, TSK_INIT_PARAM_S
LOS_IntRestore(intSave);
return LOS_ERRNO_TSK_NO_MEMORY;
}
/* initialize the task stack, write magic num to stack top */
(VOID)memset_s(topOfStack, taskInitParam->uwStackSize,
(INT32)(OS_TASK_STACK_INIT & 0xFF), taskInitParam->uwStackSize);
retVal = OsNewTaskInit(taskCB, taskInitParam, topOfStack);
if (retVal != LOS_OK) {
@@ -1066,6 +1076,11 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_TaskDelete(UINT32 taskID)
return LOS_ERRNO_TSK_ALREADY_EXIT;
}
if (taskCB->taskStatus & OS_TASK_FLAG_SIGNAL) {
LOS_IntRestore(intSave);
return LOS_ERRNO_TSK_PROCESS_SIGNAL;
}
/* If the task is running and scheduler is locked then you can not delete it */
if (((taskCB->taskStatus) & OS_TASK_STATUS_RUNNING) && (g_losTaskLock != 0)) {
PRINT_INFO("In case of task lock, task deletion is not recommended\n");
@@ -1084,6 +1099,13 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_TaskDelete(UINT32 taskID)
(VOID)memset_s((VOID *)&g_cpup[taskCB->taskID], sizeof(OsCpupCB), 0, sizeof(OsCpupCB));
#endif
#if (LOSCFG_KERNEL_SIGNAL == 1)
if (taskCB->sig != NULL) {
LOS_MemFree(OS_SYS_MEM_ADDR, taskCB->sig);
taskCB->sig = NULL;
}
#endif
LOSCFG_TASK_DELETE_EXTENSION_HOOK(taskCB);
if (taskCB->taskStatus & OS_TASK_STATUS_RUNNING) {