mirror of
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95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2024 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/thread.h"
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#include "common/debug.h"
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#include "common/windebug.h"
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#include <windows.h>
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struct LGThread
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{
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const char * name;
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LGThreadFunction function;
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void * opaque;
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HANDLE handle;
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DWORD threadID;
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int resultCode;
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};
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static DWORD WINAPI threadWrapper(LPVOID lpParameter)
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{
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LGThread * handle = (LGThread *)lpParameter;
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handle->resultCode = handle->function(handle->opaque);
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return 0;
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}
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bool lgCreateThread(const char * name, LGThreadFunction function, void * opaque, LGThread ** handle)
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{
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*handle = malloc(sizeof(**handle));
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(*handle)->name = name;
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(*handle)->function = function;
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(*handle)->opaque = opaque;
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(*handle)->handle = CreateThread(NULL, 0, threadWrapper, *handle, 0, &(*handle)->threadID);
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if (!(*handle)->handle)
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{
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free(*handle);
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*handle = NULL;
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DEBUG_WINERROR("CreateThread failed", GetLastError());
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return false;
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}
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return true;
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}
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bool lgJoinThread(LGThread * handle, int * resultCode)
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{
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while(true)
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{
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switch(WaitForSingleObject(handle->handle, INFINITE))
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{
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case WAIT_OBJECT_0:
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if (resultCode)
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*resultCode = handle->resultCode;
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CloseHandle(handle->handle);
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free(handle);
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return true;
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case WAIT_ABANDONED:
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case WAIT_TIMEOUT:
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continue;
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case WAIT_FAILED:
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DEBUG_WINERROR("Wait for thread failed", GetLastError());
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CloseHandle(handle->handle);
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free(handle);
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return false;
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}
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break;
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}
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DEBUG_WINERROR("Unknown failure waiting for thread", GetLastError());
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return false;
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}
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