mirror of
https://github.com/gnif/LookingGlass.git
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89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "common/event.h"
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#include "common/windebug.h"
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#include "common/time.h"
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#include <windows.h>
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#include <stdatomic.h>
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LGEvent * lgCreateEvent(bool autoReset, unsigned int msSpinTime)
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{
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HANDLE handle = CreateEvent(NULL, autoReset ? FALSE : TRUE, FALSE, NULL);
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if (!handle)
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{
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DEBUG_WINERROR("Failed to create the event", GetLastError());
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return NULL;
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}
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return (LGEvent *)handle;
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}
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LGEvent * lgWrapEvent(void * handle)
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{
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return (LGEvent *)handle;
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}
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void lgFreeEvent(LGEvent * event)
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{
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CloseHandle((HANDLE)event);
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}
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bool lgWaitEvent(LGEvent * event, unsigned int timeout)
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{
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const DWORD to = (timeout == TIMEOUT_INFINITE) ? INFINITE : (DWORD)timeout;
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do
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{
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switch(WaitForSingleObject((HANDLE)event, to))
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{
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case WAIT_OBJECT_0:
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return true;
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case WAIT_ABANDONED:
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continue;
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case WAIT_TIMEOUT:
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if (timeout == TIMEOUT_INFINITE)
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continue;
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return false;
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case WAIT_FAILED:
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DEBUG_WINERROR("Wait for event failed", GetLastError());
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return false;
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default:
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DEBUG_ERROR("Unknown wait event return code");
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return false;
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}
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}
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while(true);
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}
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bool lgSignalEvent(LGEvent * event)
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{
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return SetEvent((HANDLE)event);
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}
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bool lgResetEvent(LGEvent * event)
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{
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return ResetEvent((HANDLE)event);
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}
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