Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-09-02 08:38:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

[WDMAUD.DRV]

Browse source 
- The wave / mixer / midi handles are kernel handles, consequently wdmaud_kernel must close them

svn path=/trunk/; revision=41894
This commit is contained in:
Johannes Anderwald 2009-07-11 22:02:30 +00:00
parent 66a1d260cb
commit 1e3850cd25
1 changed files with 27 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
reactos/dll/win32/wdmaud.drv/wdmaud.c
View file

@ -175,6 +175,18 @@ CloseWdmSoundDevice(
IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance,
IN PVOID Handle)
{
WDMAUD_DEVICE_INFO DeviceInfo;
MMRESULT Result;
MMDEVICE_TYPE DeviceType;
PSOUND_DEVICE SoundDevice;
Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
if ( OpenCount == 0 )
{
return MMSYSERR_NOERROR;
@ -182,9 +194,23 @@ CloseWdmSoundDevice(
SND_ASSERT( KernelHandle != INVALID_HANDLE_VALUE );
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
if (SoundDeviceInstance->Handle != (PVOID)KernelHandle)
{
CloseHandle((HANDLE)SoundDeviceInstance->Handle);
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.DeviceType = DeviceType;
DeviceInfo.hDevice = SoundDeviceInstance->Handle;
SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_CLOSE_WDMAUD,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
}
--OpenCount;