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C++ IOService::acknowledgeNotification方法代码示例

本文整理汇总了C++中IOService::acknowledgeNotification方法的典型用法代码示例。如果您正苦于以下问题:C++ IOService::acknowledgeNotification方法的具体用法?C++ IOService::acknowledgeNotification怎么用?C++ IOService::acknowledgeNotification使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IOService的用法示例。


在下文中一共展示了IOService::acknowledgeNotification方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: OSDynamicCast


//.........这里部分代码省略.........
		}

		fDeviceOffline = TRUE;					// set flag to reflect shutting down state.
		fClientIOBlocked = FALSE;
		DLOGPWR("[email protected]%lx device OFFLINE\n------------------\n", fI2CAddress);
	}
	else
	if (newPowerState == kIOI2CPowerState_SLEEP)
	{
		DLOGPWR("[email protected]%lx transition to SLEEP\n", fI2CAddress);

		I2CLOCK;							// Wait for pending I2C requests to complete then block any new I2C requests...

		fPowerThreadID = current_thread();	// Setup to allow only requests from this thread to be processed.
		fClientIOBlocked = TRUE;			// All requests from other threads will return offline.

		I2CUNLOCK;							// Allow blocked threads to proceed so they return offline.

		if (fCurrentPowerState == kIOI2CPowerState_ON)
		{
			DLOGPWR("[email protected]%lx process SLEEP event\n", fI2CAddress);
			performFunctionsWithFlags(kIOPFFlagOnSleep);
			processPowerEvent(kI2CPowerEvent_SLEEP);
		}

		fDeviceOffline = TRUE;				// set flag to reflect shutting down state.
		fClientIOBlocked = FALSE;
		DLOGPWR("[email protected]%lx device OFFLINE\n------------------\n", fI2CAddress);
	}
	else
	if (newPowerState == kIOI2CPowerState_DOZE)
	{
		DLOGPWR("IO[email protected]%lx transition to DOZE\n", fI2CAddress);
		processPowerEvent(kI2CPowerEvent_DOZE);
	}
	else
	if (newPowerState == kIOI2CPowerState_ON)
	{
		DLOGPWR("[email protected]%lx transition to ON\n", fI2CAddress);

		I2CLOCK;								// Wait for pending I2C requests to complete then block any new I2C requests...

		fPowerThreadID = current_thread();		// Setup to allow only requests from this thread to be processed.
		fClientIOBlocked = TRUE;				// All requests from other threads will return offline.
		fDeviceOffline = FALSE;					// set flag to reflect we are not shutting down.

		I2CUNLOCK;								// Allow blocked threads to proceed so they return offline.

		if (fCurrentPowerState == kIOI2CPowerState_SLEEP)
		{
			DLOGPWR("[email protected]%lx process WAKE event\n", fI2CAddress);
			performFunctionsWithFlags(kIOPFFlagOnWake);
			processPowerEvent(kI2CPowerEvent_WAKE);
		}
		else
		{
			// The first power state ON transition is processed as a STARTUP event.
			// The fStateFlags.kStateFlags_STARTUP gets set only once...
			if (0 == (fStateFlags & kStateFlags_STARTUP))
			{
				fStateFlags |= kStateFlags_STARTUP;
				DLOGPWR("[email protected]%lx process STARTUP event\n", fI2CAddress);
				// Perform any functions flagged on init.
				performFunctionsWithFlags(kIOPFFlagOnInit);
				processPowerEvent(kI2CPowerEvent_STARTUP);
			}
			else
			{
				DLOGPWR("[email protected]%lx process power ON event\n", fI2CAddress);
				processPowerEvent(kI2CPowerEvent_ON);
			}
		}
		DLOGPWR("[email protected]%lx::setPowerState device ONLINE\n------------------\n", fI2CAddress);
		fClientIOBlocked = FALSE;				// Allow all threads to access I2C through this device.
	}
	else
	{
		DLOGPWR("[email protected]%lx ERROR transition to invalid state:%lu\n", fI2CAddress, newPowerState);
		return;
	}

	fCurrentPowerState = newPowerState;

	if (fSysPowerRef)
	{
		IOService *service = OSDynamicCast(IOService, (OSMetaClassBase *)fSysPowerRef);
		if (service)
		{
			DLOG("[email protected]%lx acknowledgeNotification\n", fI2CAddress);
			service->acknowledgeNotification(this, 0);
		}

		fSysPowerRef = NULL;
	}
	else
	{
		DLOG("[email protected]%lx acknowledgeSetPowerState: %lu\n", fI2CAddress, fCurrentPowerState);
		acknowledgeSetPowerState();
	}
}
开发者ID:aosm,项目名称:IOI2CFamily,代码行数:101,代码来源:IOI2CDevice.cpp


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