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winmm: Shutdown the devices thread when all devices are closed.

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This commit is contained in:
Andrew Eikum 2013-03-25 14:46:41 -05:00 committed by Alexandre Julliard
parent 1d3aac50a6
commit 2d76befbdd
1 changed files with 117 additions and 85 deletions
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202
dlls/winmm/waveform.c
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@ -150,8 +150,6 @@ static WINMM_Device *g_in_mapper_devices[MAX_DEVICES];
static IMMDeviceEnumerator *g_devenum;
#define WINMM_WM_QUIT WM_USER
static CRITICAL_SECTION g_devthread_lock;
static CRITICAL_SECTION_DEBUG g_devthread_lock_debug =
{
@ -160,8 +158,10 @@ static CRITICAL_SECTION_DEBUG g_devthread_lock_debug =
0, 0, { (DWORD_PTR)(__FILE__ ": g_devthread_lock") }
};
static CRITICAL_SECTION g_devthread_lock = { &g_devthread_lock_debug, -1, 0, 0, 0, 0 };
static LONG g_devthread_token;
static HANDLE g_devices_thread;
static HWND g_devices_hwnd;
static HMODULE g_devthread_module;
static UINT g_devhandle_count;
static HANDLE *g_device_handles;
@ -200,64 +200,47 @@ void WINMM_DeleteWaveform(void)
{
UINT i, j;
if(g_devices_hwnd){
for(i = 0; i < g_outmmdevices_count; ++i){
WINMM_MMDevice *mmdevice = &g_out_mmdevices[i];
for(j = 0; j < MAX_DEVICES && mmdevice->devices[j]; ++j){
WINMM_Device *device = mmdevice->devices[j];
SendMessageW(g_devices_hwnd, WODM_CLOSE, (WPARAM)device->handle, 0);
}
if(g_devices_thread)
CloseHandle(g_devices_thread);
for(i = 0; i < g_outmmdevices_count; ++i){
WINMM_MMDevice *mmdevice = &g_out_mmdevices[i];
for(j = 0; j < MAX_DEVICES && mmdevice->devices[j]; ++j){
WINMM_Device *device = mmdevice->devices[j];
if(device->handle)
CloseHandle(device->handle);
DeleteCriticalSection(&device->lock);
}
for(i = 0; i < g_inmmdevices_count; ++i){
WINMM_MMDevice *mmdevice = &g_in_mmdevices[i];
for(j = 0; j < MAX_DEVICES && mmdevice->devices[j]; ++j){
WINMM_Device *device = mmdevice->devices[j];
SendMessageW(g_devices_hwnd, WIDM_CLOSE, (WPARAM)device->handle, 0);
}
}
SendMessageW(g_devices_hwnd, WINMM_WM_QUIT, 0, 0);
for(i = 0; i < g_outmmdevices_count; ++i){
WINMM_MMDevice *mmdevice = &g_out_mmdevices[i];
for(j = 0; j < MAX_DEVICES && mmdevice->devices[j]; ++j){
WINMM_Device *device = mmdevice->devices[j];
if(device->handle)
CloseHandle(device->handle);
DeleteCriticalSection(&device->lock);
}
if(mmdevice->volume)
ISimpleAudioVolume_Release(mmdevice->volume);
CoTaskMemFree(mmdevice->dev_id);
DeleteCriticalSection(&mmdevice->lock);
}
for(i = 0; i < g_inmmdevices_count; ++i){
WINMM_MMDevice *mmdevice = &g_in_mmdevices[i];
for(j = 0; j < MAX_DEVICES && mmdevice->devices[j]; ++j){
WINMM_Device *device = mmdevice->devices[j];
if(device->handle)
CloseHandle(device->handle);
DeleteCriticalSection(&device->lock);
}
if(mmdevice->volume)
ISimpleAudioVolume_Release(mmdevice->volume);
CoTaskMemFree(mmdevice->dev_id);
DeleteCriticalSection(&mmdevice->lock);
}
HeapFree(GetProcessHeap(), 0, g_out_mmdevices);
HeapFree(GetProcessHeap(), 0, g_in_mmdevices);
HeapFree(GetProcessHeap(), 0, g_device_handles);
HeapFree(GetProcessHeap(), 0, g_handle_devices);
if(mmdevice->volume)
ISimpleAudioVolume_Release(mmdevice->volume);
CoTaskMemFree(mmdevice->dev_id);
DeleteCriticalSection(&mmdevice->lock);
}
for(i = 0; i < g_inmmdevices_count; ++i){
WINMM_MMDevice *mmdevice = &g_in_mmdevices[i];
for(j = 0; j < MAX_DEVICES && mmdevice->devices[j]; ++j){
WINMM_Device *device = mmdevice->devices[j];
if(device->handle)
CloseHandle(device->handle);
DeleteCriticalSection(&device->lock);
}
if(mmdevice->volume)
ISimpleAudioVolume_Release(mmdevice->volume);
CoTaskMemFree(mmdevice->dev_id);
DeleteCriticalSection(&mmdevice->lock);
}
HeapFree(GetProcessHeap(), 0, g_out_mmdevices);
HeapFree(GetProcessHeap(), 0, g_in_mmdevices);
HeapFree(GetProcessHeap(), 0, g_device_handles);
HeapFree(GetProcessHeap(), 0, g_handle_devices);
DeleteCriticalSection(&g_devthread_lock);
}
@ -2424,17 +2407,39 @@ static LRESULT CALLBACK WINMM_DevicesMsgProc(HWND hwnd, UINT msg, WPARAM wparam,
case DRV_QUERYDEVICEINTERFACESIZE:
case DRV_QUERYDEVICEINTERFACE:
return DRV_QueryDeviceInterface((WINMM_QueryInterfaceInfo*)wparam);
case WINMM_WM_QUIT:
TRACE("QUIT message received\n");
DestroyWindow(g_devices_hwnd);
g_devices_hwnd = NULL;
IMMDeviceEnumerator_Release(g_devenum);
CoUninitialize();
return 0;
}
return DefWindowProcW(hwnd, msg, wparam, lparam);
}
static BOOL WINMM_DevicesThreadDone(void)
{
UINT i;
EnterCriticalSection(&g_devthread_lock);
if(g_devthread_token > 0){
LeaveCriticalSection(&g_devthread_lock);
return FALSE;
}
for(i = 0; i < g_devhandle_count; ++i){
if(g_handle_devices[i]->open){
LeaveCriticalSection(&g_devthread_lock);
return FALSE;
}
}
DestroyWindow(g_devices_hwnd);
g_devices_hwnd = NULL;
IMMDeviceEnumerator_Release(g_devenum);
g_devenum = NULL;
CoUninitialize();
LeaveCriticalSection(&g_devthread_lock);
return TRUE;
}
static DWORD WINAPI WINMM_DevicesThreadProc(void *arg)
{
HANDLE evt = arg;
@ -2444,13 +2449,13 @@ static DWORD WINAPI WINMM_DevicesThreadProc(void *arg)
hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
if(FAILED(hr)){
WARN("CoInitializeEx failed: %08x\n", hr);
return 1;
FreeLibraryAndExitThread(g_devthread_module, 1);
}
hr = WINMM_InitMMDevices();
if(FAILED(hr)){
CoUninitialize();
return 1;
FreeLibraryAndExitThread(g_devthread_module, 1);
}
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL,
@ -2458,16 +2463,15 @@ static DWORD WINAPI WINMM_DevicesThreadProc(void *arg)
if(FAILED(hr)){
WARN("CoCreateInstance failed: %08x\n", hr);
CoUninitialize();
return 1;
FreeLibraryAndExitThread(g_devthread_module, 1);
}
g_devices_hwnd = CreateWindowW(messageW, NULL, 0, 0, 0, 0, 0,
HWND_MESSAGE, NULL, NULL, NULL);
if(!g_devices_hwnd){
WARN("CreateWindow failed: %d\n", GetLastError());
IMMDeviceEnumerator_Release(g_devenum);
CoUninitialize();
return 1;
FreeLibraryAndExitThread(g_devthread_module, 1);
}
SetWindowLongPtrW(g_devices_hwnd, GWLP_WNDPROC,
@ -2496,11 +2500,17 @@ static DWORD WINAPI WINMM_DevicesThreadProc(void *arg)
}else
WARN("Unexpected MsgWait result 0x%x, GLE: %d\n", wait,
GetLastError());
if(WINMM_DevicesThreadDone()){
TRACE("Quitting devices thread\n");
FreeLibraryAndExitThread(g_devthread_module, 0);
}
}
return 0;
FreeLibraryAndExitThread(g_devthread_module, 0);
}
/* on success, increments g_devthread_token to prevent
* device thread shutdown. caller must decrement. */
static BOOL WINMM_StartDevicesThread(void)
{
HANDLE events[2];
@ -2508,25 +2518,36 @@ static BOOL WINMM_StartDevicesThread(void)
EnterCriticalSection(&g_devthread_lock);
if(g_devices_thread){
DWORD wait;
if(g_devices_hwnd){
wait = WaitForSingleObject(g_devices_thread, 0);
if(wait == WAIT_TIMEOUT){
/* thread still running */
InterlockedIncrement(&g_devthread_token);
LeaveCriticalSection(&g_devthread_lock);
return TRUE;
}
if(wait != WAIT_OBJECT_0){
/* error */
LeaveCriticalSection(&g_devthread_lock);
return FALSE;
}
g_devices_thread = NULL;
TRACE("Devices thread left dangling message window?\n");
g_devices_hwnd = NULL;
CloseHandle(g_devices_thread);
g_devices_thread = NULL;
}else if(g_devices_thread){
WaitForSingleObject(g_devices_thread, INFINITE);
CloseHandle(g_devices_thread);
g_devices_thread = NULL;
}
TRACE("Starting up devices thread\n");
/* The devices thread holds a reference to the winmm module
* to prevent it from unloading while it's running. */
GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
(const WCHAR *)&WINMM_StartDevicesThread, &g_devthread_module);
events[0] = CreateEventW(NULL, FALSE, FALSE, NULL);
g_devices_thread = CreateThread(NULL, 0, WINMM_DevicesThreadProc,
@ -2534,6 +2555,7 @@ static BOOL WINMM_StartDevicesThread(void)
if(!g_devices_thread){
LeaveCriticalSection(&g_devthread_lock);
CloseHandle(events[0]);
FreeLibrary(g_devthread_module);
return FALSE;
}
@ -2550,6 +2572,8 @@ static BOOL WINMM_StartDevicesThread(void)
return FALSE;
}
InterlockedIncrement(&g_devthread_token);
LeaveCriticalSection(&g_devthread_lock);
return TRUE;
@ -2708,9 +2732,6 @@ MMRESULT WINAPI waveOutOpen(LPHWAVEOUT lphWaveOut, UINT uDeviceID,
TRACE("(%p, %u, %p, %lx, %lx, %08x)\n", lphWaveOut, uDeviceID, lpFormat,
dwCallback, dwInstance, dwFlags);
if(!WINMM_StartDevicesThread())
return MMSYSERR_NODRIVER;
if(!lphWaveOut && !(dwFlags & WAVE_FORMAT_QUERY))
return MMSYSERR_INVALPARAM;
@ -2718,6 +2739,9 @@ MMRESULT WINAPI waveOutOpen(LPHWAVEOUT lphWaveOut, UINT uDeviceID,
if(res != MMSYSERR_NOERROR)
return res;
if(!WINMM_StartDevicesThread())
return MMSYSERR_NODRIVER;
info.handle = 0;
info.format = (WAVEFORMATEX*)lpFormat;
info.callback = dwCallback;
@ -2727,6 +2751,7 @@ MMRESULT WINAPI waveOutOpen(LPHWAVEOUT lphWaveOut, UINT uDeviceID,
info.reset = TRUE;
res = SendMessageW(g_devices_hwnd, WODM_OPEN, (DWORD_PTR)&info, 0);
InterlockedDecrement(&g_devthread_token);
if(res != MMSYSERR_NOERROR || (dwFlags & WAVE_FORMAT_QUERY))
return res;
@ -3182,6 +3207,7 @@ static UINT WINMM_QueryInstanceID(UINT device, WCHAR *str, DWORD_PTR len,
static UINT get_device_interface(UINT msg, BOOL is_out, UINT index, WCHAR *out, ULONG *out_len)
{
WINMM_QueryInterfaceInfo info;
UINT ret;
if(!WINMM_StartDevicesThread())
return MMSYSERR_NODRIVER;
@ -3191,7 +3217,9 @@ static UINT get_device_interface(UINT msg, BOOL is_out, UINT index, WCHAR *out,
info.str = out;
info.len_bytes = out_len;
return SendMessageW(g_devices_hwnd, msg, (DWORD_PTR)&info, 0);
ret = SendMessageW(g_devices_hwnd, msg, (DWORD_PTR)&info, 0);
InterlockedDecrement(&g_devthread_token);
return ret;
}
/**************************************************************************
@ -3340,9 +3368,6 @@ MMRESULT WINAPI waveInOpen(HWAVEIN* lphWaveIn, UINT uDeviceID,
TRACE("(%p, %x, %p, %lx, %lx, %08x)\n", lphWaveIn, uDeviceID, lpFormat,
dwCallback, dwInstance, dwFlags);
if(!WINMM_StartDevicesThread())
return MMSYSERR_NODRIVER;
if(!lphWaveIn && !(dwFlags & WAVE_FORMAT_QUERY))
return MMSYSERR_INVALPARAM;
@ -3350,6 +3375,9 @@ MMRESULT WINAPI waveInOpen(HWAVEIN* lphWaveIn, UINT uDeviceID,
if(res != MMSYSERR_NOERROR)
return res;
if(!WINMM_StartDevicesThread())
return MMSYSERR_NODRIVER;
info.handle = 0;
info.format = (WAVEFORMATEX*)lpFormat;
info.callback = dwCallback;
@ -3359,6 +3387,7 @@ MMRESULT WINAPI waveInOpen(HWAVEIN* lphWaveIn, UINT uDeviceID,
info.reset = TRUE;
res = SendMessageW(g_devices_hwnd, WIDM_OPEN, (DWORD_PTR)&info, 0);
InterlockedDecrement(&g_devthread_token);
if(res != MMSYSERR_NOERROR || (dwFlags & WAVE_FORMAT_QUERY))
return res;
@ -4341,12 +4370,10 @@ UINT WINAPI mixerSetControlDetails(HMIXEROBJ hmix, LPMIXERCONTROLDETAILS lpmcd,
DWORD fdwDetails)
{
WINMM_ControlDetails details;
UINT ret;
TRACE("(%p, %p, %x)\n", hmix, lpmcd, fdwDetails);
if(!WINMM_StartDevicesThread())
return MMSYSERR_NODRIVER;
if((fdwDetails & MIXER_SETCONTROLDETAILSF_QUERYMASK) ==
MIXER_SETCONTROLDETAILSF_CUSTOM)
return MMSYSERR_NOTSUPPORTED;
@ -4354,14 +4381,19 @@ UINT WINAPI mixerSetControlDetails(HMIXEROBJ hmix, LPMIXERCONTROLDETAILS lpmcd,
if(!lpmcd)
return MMSYSERR_INVALPARAM;
if(!WINMM_StartDevicesThread())
return MMSYSERR_NODRIVER;
TRACE("dwControlID: %u\n", lpmcd->dwControlID);
details.hmix = hmix;
details.details = lpmcd;
details.flags = fdwDetails;
return SendMessageW(g_devices_hwnd, MXDM_SETCONTROLDETAILS,
ret = SendMessageW(g_devices_hwnd, MXDM_SETCONTROLDETAILS,
(DWORD_PTR)&details, 0);
InterlockedDecrement(&g_devthread_token);
return ret;
}
/**************************************************************************