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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
This commit is contained in:
Hans-Kristian Arntzen 2024-02-10 14:01:34 +01:00 • committed by Sam Lantinga
parent 0f81598e9f
commit 69f2bd151e
1 changed files with 4 additions and 1 deletions
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5
src/video/windows/SDL_windowsevents.c
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@ -1687,7 +1687,10 @@ void SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata)
int WIN_WaitEventTimeout(SDL_VideoDevice *_this, Sint64 timeoutNS) int WIN_WaitEventTimeout(SDL_VideoDevice *_this, Sint64 timeoutNS)
{ {
if (g_WindowsEnableMessageLoop) { if (g_WindowsEnableMessageLoop) {
if (MsgWaitForMultipleObjects(0, NULL, FALSE, (DWORD)SDL_NS_TO_MS(timeoutNS), QS_ALLINPUT)) { DWORD timeout, ret;
timeout = timeoutNS < 0 ? INFINITE : (DWORD)SDL_NS_TO_MS(timeoutNS);
ret = MsgWaitForMultipleObjects(0, NULL, FALSE, timeout, QS_ALLINPUT);
if (ret == WAIT_OBJECT_0) {
return 1; return 1;
} else { } else {
return 0; return 0;