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use DIRECT_BUFFER_INFO_AREA_SIZE instead of B_PAGE_SIZE, even if they

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are the same, but it's more correct. Also memset the buffer_info struct.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32572 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2009-08-21 15:40:53 +00:00
parent 7d9dfe90a5
commit d3ae6ef65b
1 changed files with 5 additions and 3 deletions
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src/servers/app/ServerWindow.cpp
+5 -3
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@@ -182,8 +182,10 @@ DirectWindowData::DirectWindowData()
fTransition(0) fTransition(0)
{ {
fBufferArea = create_area("direct area", (void**)&buffer_info, fBufferArea = create_area("direct area", (void**)&buffer_info,
B_ANY_ADDRESS, B_PAGE_SIZE, B_NO_LOCK, B_READ_WRITE); B_ANY_ADDRESS, DIRECT_BUFFER_INFO_AREA_SIZE,
B_NO_LOCK, B_READ_WRITE);
memset(buffer_info, 0, DIRECT_BUFFER_INFO_AREA_SIZE);
buffer_info->buffer_state = B_DIRECT_STOP; buffer_info->buffer_state = B_DIRECT_STOP;
fSem = create_sem(0, "direct sem"); fSem = create_sem(0, "direct sem");
fAcknowledgeSem = create_sem(0, "direct sem ack"); fAcknowledgeSem = create_sem(0, "direct sem ack");
@@ -282,8 +284,8 @@ DirectWindowData::_HandleStop(const direct_buffer_state& state)
bool bool
DirectWindowData::_HandleStart(const direct_buffer_state& state) DirectWindowData::_HandleStart(const direct_buffer_state& state)
{ {
buffer_info->buffer_state buffer_info->buffer_state = (direct_buffer_state)
= (direct_buffer_state)(BufferState(buffer_info->buffer_state).Reason() | state); (BufferState(buffer_info->buffer_state).Reason() | state);
if (fTransition++ >= 0) if (fTransition++ >= 0)
return true; return true;