Maarten Lankhorst : dsound: Replace buffer critical section with a
rw-lock.
Alexandre Julliard
julliard at wine.codeweavers.com
Mon Jul 30 16:52:29 CDT 2007
Module: wine
Branch: master
Commit: 237b2938294dbe258bf03fee01a7394d46f0911d
URL: http://source.winehq.org/git/wine.git/?a=commit;h=237b2938294dbe258bf03fee01a7394d46f0911d
Author: Maarten Lankhorst <m.b.lankhorst at gmail.com>
Date: Sun Jul 29 21:01:43 2007 +0200
dsound: Replace buffer critical section with a rw-lock.
---
dlls/dsound/buffer.c | 49 ++++++++++++++++++-----------------------
dlls/dsound/dsound_private.h | 2 +-
dlls/dsound/mixer.c | 4 +-
dlls/dsound/primary.c | 4 +-
4 files changed, 27 insertions(+), 32 deletions(-)
diff --git a/dlls/dsound/buffer.c b/dlls/dsound/buffer.c
index aa6ef50..d0a6fe6 100644
--- a/dlls/dsound/buffer.c
+++ b/dlls/dsound/buffer.c
@@ -216,7 +216,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
}
/* **** */
- EnterCriticalSection(&(This->lock));
+ RtlAcquireResourceExclusive(&This->lock, TRUE);
if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
oldVol = This->ds3db_lVolume;
@@ -239,7 +239,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
}
}
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
/* **** */
return hres;
@@ -288,7 +288,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
}
/* **** */
- EnterCriticalSection(&(This->lock));
+ RtlAcquireResourceExclusive(&This->lock, TRUE);
oldFreq = This->freq;
This->freq = freq;
@@ -298,7 +298,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
DSOUND_RecalcFormat(This);
}
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
/* **** */
return DS_OK;
@@ -312,7 +312,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Play(
TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
/* **** */
- EnterCriticalSection(&(This->lock));
+ RtlAcquireResourceExclusive(&This->lock, TRUE);
This->playflags = flags;
if (This->state == STATE_STOPPED) {
@@ -329,7 +329,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Play(
This->state = STATE_PLAYING;
}
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
/* **** */
return hres;
@@ -342,7 +342,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
TRACE("(%p)\n",This);
/* **** */
- EnterCriticalSection(&(This->lock));
+ RtlAcquireResourceExclusive(&This->lock, TRUE);
if (This->state == STATE_PLAYING)
This->state = STATE_STOPPING;
@@ -357,7 +357,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
}
DSOUND_CheckEvent(This, 0, 0);
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
/* **** */
return hres;
@@ -380,8 +380,7 @@ static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
if (!ref) {
DirectSoundDevice_RemoveBuffer(This->device, This);
- This->lock.DebugInfo->Spare[0] = 0;
- DeleteCriticalSection(&(This->lock));
+ RtlDeleteResource(&This->lock);
if (This->hwbuf) {
IDsDriverBuffer_Release(This->hwbuf);
@@ -568,7 +567,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
}
/* **** */
- EnterCriticalSection(&(This->lock));
+ RtlAcquireResourceShared(&This->lock, TRUE);
if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
hres = IDsDriverBuffer_Lock(This->hwbuf,
@@ -578,7 +577,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
0);
if (hres != DS_OK) {
WARN("IDsDriverBuffer_Lock failed\n");
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
return hres;
}
} else {
@@ -603,7 +602,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
}
}
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
/* **** */
return DS_OK;
@@ -617,7 +616,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
TRACE("(%p,%d)\n",This,newpos);
/* **** */
- EnterCriticalSection(&(This->lock));
+ RtlAcquireResourceExclusive(&This->lock, TRUE);
/* start mixing from this new location instead */
newpos %= This->buflen;
@@ -634,7 +633,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
WARN("IDsDriverBuffer_SetPosition failed\n");
}
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
/* **** */
return hres;
@@ -661,7 +660,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
}
/* **** */
- EnterCriticalSection(&(This->lock));
+ RtlAcquireResourceExclusive(&This->lock, TRUE);
if (This->volpan.lPan != pan) {
This->volpan.lPan = pan;
@@ -674,7 +673,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
}
}
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
/* **** */
return hres;
@@ -710,7 +709,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
TRACE("(%p,%p,%d,%p,%d)\n", This,p1,x1,p2,x2);
/* **** */
- EnterCriticalSection(&(This->lock));
+ RtlAcquireResourceShared(&This->lock, TRUE);
if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
@@ -718,7 +717,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
WARN("IDsDriverBuffer_Unlock failed\n");
}
- LeaveCriticalSection(&(This->lock));
+ RtlReleaseResource(&This->lock);
/* **** */
return hres;
@@ -1099,8 +1098,7 @@ HRESULT IDirectSoundBufferImpl_Create(
} else
DSOUND_RecalcVolPan(&(dsb->volpan));
- InitializeCriticalSection(&(dsb->lock));
- dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IDirectSoundBufferImpl.lock");
+ RtlInitializeResource(&dsb->lock);
/* register buffer if not primary */
if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
@@ -1108,8 +1106,7 @@ HRESULT IDirectSoundBufferImpl_Create(
if (err != DS_OK) {
HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
HeapFree(GetProcessHeap(),0,dsb->buffer);
- dsb->lock.DebugInfo->Spare[0] = 0;
- DeleteCriticalSection(&(dsb->lock));
+ RtlDeleteResource(&dsb->lock);
HeapFree(GetProcessHeap(),0,dsb->pwfx);
HeapFree(GetProcessHeap(),0,dsb);
dsb = NULL;
@@ -1237,14 +1234,12 @@ HRESULT IDirectSoundBufferImpl_Duplicate(
CopyMemory(dsb->pwfx, pdsb->pwfx, size);
- InitializeCriticalSection(&(dsb->lock));
- dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IDirectSoundBufferImpl.lock");
+ RtlInitializeResource(&dsb->lock);
/* register buffer */
hres = DirectSoundDevice_AddBuffer(device, dsb);
if (hres != DS_OK) {
- dsb->lock.DebugInfo->Spare[0] = 0;
- DeleteCriticalSection(&(dsb->lock));
+ RtlDeleteResource(&dsb->lock);
HeapFree(GetProcessHeap(),0,dsb->buffer);
HeapFree(GetProcessHeap(),0,dsb->pwfx);
HeapFree(GetProcessHeap(),0,dsb);
diff --git a/dlls/dsound/dsound_private.h b/dlls/dsound/dsound_private.h
index fcd4133..3516c18 100644
--- a/dlls/dsound/dsound_private.h
+++ b/dlls/dsound/dsound_private.h
@@ -157,7 +157,7 @@ struct IDirectSoundBufferImpl
/* IDirectSoundBufferImpl fields */
SecondaryBufferImpl* secondary;
DirectSoundDevice* device;
- CRITICAL_SECTION lock;
+ RTL_RWLOCK lock;
PIDSDRIVERBUFFER hwbuf;
PWAVEFORMATEX pwfx;
BufferMemory* buffer;
diff --git a/dlls/dsound/mixer.c b/dlls/dsound/mixer.c
index b5af5fb..e17525c 100644
--- a/dlls/dsound/mixer.c
+++ b/dlls/dsound/mixer.c
@@ -697,7 +697,7 @@ static DWORD DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD playpos,
if (dsb->buflen && dsb->state && !dsb->hwbuf) {
TRACE("Checking %p, mixlen=%d\n", dsb, mixlen);
- EnterCriticalSection(&(dsb->lock));
+ RtlAcquireResourceShared(&dsb->lock, TRUE);
/* if buffer is stopping it is stopped now */
if (dsb->state == STATE_STOPPING) {
@@ -729,7 +729,7 @@ static DWORD DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD playpos,
*all_stopped = FALSE;
}
- LeaveCriticalSection(&(dsb->lock));
+ RtlReleaseResource(&dsb->lock);
}
}
diff --git a/dlls/dsound/primary.c b/dlls/dsound/primary.c
index a89889c..8edf477 100644
--- a/dlls/dsound/primary.c
+++ b/dlls/dsound/primary.c
@@ -460,12 +460,12 @@ HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex)
IDirectSoundBufferImpl** dsb = device->buffers;
for (i = 0; i < device->nrofbuffers; i++, dsb++) {
/* **** */
- EnterCriticalSection(&((*dsb)->lock));
+ RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
(*dsb)->freqAdjust = ((*dsb)->freq << DSOUND_FREQSHIFT) /
wfex->nSamplesPerSec;
- LeaveCriticalSection(&((*dsb)->lock));
+ RtlReleaseResource(&(*dsb)->lock);
/* **** */
}
}
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