los_idle.c 文件参考

浏览源代码.

函数
STATIC VOID	IdleDequeue (SchedRunqueue *rq, LosTaskCB *taskCB)
STATIC VOID	IdleEnqueue (SchedRunqueue *rq, LosTaskCB *taskCB)
STATIC UINT32	IdleWait (LosTaskCB *runTask, LOS_DL_LIST *list, UINT32 ticks)
STATIC VOID	IdleWake (LosTaskCB *resumedTask)
STATIC UINT32	IdleSchedParamGet (const LosTaskCB *taskCB, SchedParam *param)
STATIC VOID	IdleYield (LosTaskCB *runTask)
STATIC VOID	IdleStartToRun (SchedRunqueue *rq, LosTaskCB *taskCB)
STATIC UINT32	IdleResume (LosTaskCB *taskCB, BOOL *needSched)
STATIC UINT64	IdleTimeSliceGet (const LosTaskCB *taskCB)
STATIC VOID	IdleTimeSliceUpdate (SchedRunqueue *rq, LosTaskCB *taskCB, UINT64 currTime)
STATIC INT32	IdleParamCompare (const SchedPolicy *sp1, const SchedPolicy *sp2)
STATIC VOID	IdlePriorityInheritance (LosTaskCB *owner, const SchedParam *param)
STATIC VOID	IdlePriorityRestore (LosTaskCB *owner, const LOS_DL_LIST *list, const SchedParam *param)
VOID	IdleTaskSchedParamInit (LosTaskCB *taskCB)

变量
const STATIC SchedOps	g_idleOps

函数说明

IdleDequeue()

STATIC VOID IdleDequeue	(	SchedRunqueue *	rq,
		LosTaskCB *	taskCB
	)

在文件 los_idle.c 第 89 行定义.

{
    (VOID)rq;
 
    taskCB->taskStatus &= ~OS_TASK_STATUS_READY;
}

这是这个函数的调用关系图:

IdleEnqueue()

STATIC VOID IdleEnqueue	(	SchedRunqueue *	rq,
		LosTaskCB *	taskCB
	)

在文件 los_idle.c 第 81 行定义.

{
    (VOID)rq;
 
    taskCB->taskStatus &= ~OS_TASK_STATUS_BLOCKED;
    taskCB->taskStatus |= OS_TASK_STATUS_READY;
}

IdleParamCompare()

STATIC INT32 IdleParamCompare	(	const SchedPolicy *	sp1,
		const SchedPolicy *	sp2
	)

在文件 los_idle.c 第 157 行定义.

{
    return 0;
}

IdlePriorityInheritance()

STATIC VOID IdlePriorityInheritance	(	LosTaskCB *	owner,
		const SchedParam *	param
	)

在文件 los_idle.c 第 162 行定义.

{
    (VOID)owner;
    (VOID)param;
    return;
}

IdlePriorityRestore()

STATIC VOID IdlePriorityRestore	(	LosTaskCB *	owner,
		const LOS_DL_LIST *	list,
		const SchedParam *	param
	)

在文件 los_idle.c 第 169 行定义.

{
    (VOID)owner;
    (VOID)list;
    (VOID)param;
    return;
}

IdleResume()

STATIC UINT32 IdleResume	(	LosTaskCB *	taskCB,
		BOOL *	needSched
	)

在文件 los_idle.c 第 135 行定义.

{
    *needSched = FALSE;
 
    taskCB->taskStatus &= ~OS_TASK_STATUS_SUSPENDED;
    if (!OsTaskIsBlocked(taskCB)) {
        taskCB->ops->enqueue(OsSchedRunqueue(), taskCB);
        *needSched = TRUE;
    }
    return LOS_OK;
}

函数调用图:

IdleSchedParamGet()

STATIC UINT32 IdleSchedParamGet	(	const LosTaskCB *	taskCB,
		SchedParam *	param
	)

在文件 los_idle.c 第 147 行定义.

{
    SchedHPF *sched = (SchedHPF *)&taskCB->sp;
    param->policy = sched->policy;
    param->basePrio = sched->basePrio;
    param->priority = sched->priority;
    param->timeSlice = 0;
    return LOS_OK;
}

IdleStartToRun()

STATIC VOID IdleStartToRun	(	SchedRunqueue *	rq,
		LosTaskCB *	taskCB
	)

在文件 los_idle.c 第 96 行定义.

{
    IdleDequeue(rq, taskCB);
}

函数调用图:

IdleTaskSchedParamInit()

VOID IdleTaskSchedParamInit

(

LosTaskCB *

taskCB

)

在文件 los_idle.c 第 177 行定义.

{
    SchedHPF *sched = (SchedHPF *)&taskCB->sp;
    sched->policy = LOS_SCHED_IDLE;
    sched->basePrio = OS_PROCESS_PRIORITY_LOWEST;
    sched->priority = OS_TASK_PRIORITY_LOWEST;
    sched->initTimeSlice = 0;
    taskCB->timeSlice = sched->initTimeSlice;
    taskCB->taskStatus = OS_TASK_STATUS_SUSPENDED;
    taskCB->ops = &g_idleOps;
}

这是这个函数的调用关系图:

IdleTimeSliceGet()

STATIC UINT64 IdleTimeSliceGet

(

const LosTaskCB *

taskCB

)

在文件 los_idle.c 第 75 行定义.

{
    (VOID)taskCB;
    return (OS_SCHED_MAX_RESPONSE_TIME - OS_TICK_RESPONSE_PRECISION);
}

IdleTimeSliceUpdate()

STATIC VOID IdleTimeSliceUpdate	(	SchedRunqueue *	rq,
		LosTaskCB *	taskCB,
		UINT64	currTime
	)

在文件 los_idle.c 第 68 行定义.

{
    (VOID)rq;
 
    taskCB->startTime = currTime;
}

IdleWait()

STATIC UINT32 IdleWait	(	LosTaskCB *	runTask,
		LOS_DL_LIST *	list,
		UINT32	ticks
	)

在文件 los_idle.c 第 107 行定义.

{
    (VOID)runTask;
    (VOID)list;
    (VOID)ticks;
 
    return LOS_NOK;
}

IdleWake()

STATIC VOID IdleWake

(

LosTaskCB *

resumedTask

)

在文件 los_idle.c 第 116 行定义.

{
    LOS_ListDelete(&resumedTask->pendList);
    resumedTask->taskStatus &= ~OS_TASK_STATUS_PENDING;
 
    if (resumedTask->taskStatus & OS_TASK_STATUS_PEND_TIME) {
        OsSchedTimeoutQueueDelete(resumedTask);
        resumedTask->taskStatus &= ~OS_TASK_STATUS_PEND_TIME;
    }
 
    if (!(resumedTask->taskStatus & OS_TASK_STATUS_SUSPENDED)) {
#ifdef LOSCFG_SCHED_DEBUG
        resumedTask->schedStat.pendTime += OsGetCurrSchedTimeCycle() - resumedTask->startTime;
        resumedTask->schedStat.pendCount++;
#endif
        resumedTask->ops->enqueue(OsSchedRunqueue(), resumedTask);
    }
}

函数调用图:

IdleYield()

STATIC VOID IdleYield

(

LosTaskCB *

runTask

)

在文件 los_idle.c 第 101 行定义.

{
    (VOID)runTask;
    return;
}

变量说明

g_idleOps

const STATIC SchedOps g_idleOps

初始值:

= {
    .dequeue = IdleDequeue,
    .enqueue = IdleEnqueue,
    .wait = IdleWait,
    .wake = IdleWake,
    .schedParamModify = NULL,
    .schedParamGet = IdleSchedParamGet,
    .delay = NULL,
    .yield = IdleYield,
    .start = IdleStartToRun,
    .exit = NULL,
    .suspend = NULL,
    .resume = IdleResume,
    .deadlineGet = IdleTimeSliceGet,
    .timeSliceUpdate = IdleTimeSliceUpdate,
    .schedParamCompare = IdleParamCompare,
    .priorityInheritance = IdlePriorityInheritance,
    .priorityRestore = IdlePriorityRestore,
}

在文件 los_idle.c 第 48 行定义.