🚀 go-pugleaf

Shane Stump wrote:

>I am in the process of writing a component for my applications that check /
>download a new version of the program. The actual file that is downloaded is
>a setup program. Can anyone recommend the BEST way to shutdown my current
>running application and launch the downloaded the Setup.exe?

Well, it would seem like using CreateProcess on Setup.exe, then
immediately terminating would do the job.
But there is a race condition. Not so significant if Setup needs to
unpack before it installs....but still...

One way is for the application to use 	GetCurrentProcessId(), convert
the ID to a string and pass that as a parameter to Setup.

If Setup doesn't see the parameter, then it was manually started, so
just go ahead and install.
If Setup sees the parameter, it waits for the caller to close:

ProcessID = atol(argv[1]);
OldProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, ProcessID);
if( OldProcess != NULL )
{	WaitForSingleObject(OldProcess, INFINITE);
	CloseHandle(OldProcess);
}