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Fix broken use of MsgWaitForMultipleObjects.

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- Timeout < 0 was not handled properly
- Return value for success is WAIT_OBJECT_0 + nCount, not positive value

(cherry picked from commit 69f2bd151e)
(cherry picked from commit 4ae87e215e)
This commit is contained in:
Hans-Kristian Arntzen
2024-02-10 14:01:34 +01:00
committed by Sam Lantinga
parent a24e2bfc76
commit c4fc20a033
1 changed files with 4 additions and 1 deletions
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5
src/video/windows/SDL_windowsevents.c
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@@ -1803,7 +1803,10 @@ void SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata)
int WIN_WaitEventTimeout(_THIS, int timeout)
{
if (g_WindowsEnableMessageLoop) {
if (MsgWaitForMultipleObjects(0, NULL, FALSE, (DWORD)timeout, QS_ALLINPUT)) {
DWORD dwMilliseconds, ret;
dwMilliseconds = timeout < 0 ? INFINITE : (DWORD)timeout;
ret = MsgWaitForMultipleObjects(0, NULL, FALSE, dwMilliseconds, QS_ALLINPUT);
if (ret == WAIT_OBJECT_0) {
return 1;
} else {
return 0;