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[c-host] dxgi: futher event improvements

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This commit is contained in:
Geoffrey McRae
2019-12-17 16:36:43 +11:00
parent 9c5f9906fa
commit c82a5e0523
2 changed files with 54 additions and 30 deletions
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24
c-host/platform/Windows/src/platform.c
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@@ -30,6 +30,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "interface/platform.h"
#include "common/debug.h"
#include "common/option.h"
#include "common/locking.h"
#include "windows/debug.h"
#include "ivshmem.h"
@@ -72,6 +73,7 @@ struct osThreadHandle
struct osEventHandle
{
volatile int lock;
bool reset;
HANDLE handle;
bool wrapped;
@@ -510,10 +512,13 @@ osEventHandle * os_createEvent(bool autoReset, unsigned int msSpinTime)
return NULL;
}
event->lock = 0;
event->reset = autoReset;
event->handle = CreateEvent(NULL, autoReset ? FALSE : TRUE, FALSE, NULL);
event->wrapped = false;
event->msSpinTime = msSpinTime;
event->handle = CreateEvent(NULL, autoReset ? FALSE : TRUE, FALSE, NULL);
event->signaled = false;
if (!event->handle)
{
DEBUG_WINERROR("Failed to create the event", GetLastError());
@@ -533,10 +538,12 @@ osEventHandle * os_wrapEvent(HANDLE handle)
return NULL;
}
event->lock = 0;
event->reset = false;
event->handle = event;
event->wrapped = true;
event->msSpinTime = 0;
event->signaled = false;
return event;
}
@@ -551,10 +558,19 @@ bool os_waitEvent(osEventHandle * event, unsigned int timeout)
if (!event->wrapped)
{
if (event->signaled)
{
if (event->reset)
event->signaled = false;
return true;
}
if (timeout == 0)
return event->signaled;
{
bool ret = event->signaled;
if (event->reset)
event->signaled = false;
return ret;
}
if (event->msSpinTime)
{
@@ -581,7 +597,11 @@ bool os_waitEvent(osEventHandle * event, unsigned int timeout)
}
if (event->signaled)
{
if (event->reset)
event->signaled = false;
return true;
}
}
}