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[EXPLORER] Keep processing messages while waiting for a startup task

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CORE-16909
This commit is contained in:
Mark Jansen 2020-04-19 18:44:26 +02:00 committed by Giannis Adamopoulos
parent 3926e9b3c8
commit 5cee1b95c0
1 changed files with 31 additions and 2 deletions
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33
base/shell/explorer/startup.cpp
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@ -85,8 +85,37 @@ static int runCmd(LPWSTR cmdline, LPCWSTR dir, BOOL wait, BOOL minimized)
TRACE("Successfully ran command\n");
if (wait)
{ /* wait for the process to exit */
WaitForSingleObject(info.hProcess, INFINITE);
{
HANDLE Handles[] = { info.hProcess };
DWORD nCount = _countof(Handles);
DWORD dwWait;
MSG msg;
/* wait for the process to exit */
for (;;)
{
/* We need to keep processing messages,
otherwise we will hang anything that is trying to send a message to us */
dwWait = MsgWaitForMultipleObjects(nCount, Handles, FALSE, INFINITE, QS_ALLINPUT);
/* WAIT_OBJECT_0 + nCount signals an event in the message queue,
so anything other than that means we are done. */
if (dwWait != WAIT_OBJECT_0 + nCount)
{
if (dwWait >= WAIT_OBJECT_0 && dwWait < WAIT_OBJECT_0 + nCount)
TRACE("Event %u signaled\n", dwWait - WAIT_OBJECT_0);
else
WARN("Return code: %u\n", dwWait);
break;
}
while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
GetExitCodeProcess(info.hProcess, &exit_code);
}