public static void WatchProcess(int processId, Action <int> processQuit)
{
var data = new ProcessWatcherData
{
processId = processId,
processHandle = Kernel32.OpenProcess(Kernel32.ProcessFlags.SYNCHRONIZE, false, processId)
};
data.quitActions.Add(processQuit);
if (Kernel32.WaitForSingleObject(data.processHandle, 0) != Kernel32.WAIT_TIMEOUT)
{
Trace.WriteLine($"ProcessWatcherService WatchProcess Error: Unwatchable handle: {processId}");
Kernel32.CloseHandle(data.processHandle);
return;
}
lock (_lock)
{
if (s_watchers.ContainsKey(processId))
{
// We lost the race, add our callback and clean up.
s_watchers[processId].quitActions.Add(processQuit);
Kernel32.CloseHandle(data.processHandle);
}
else
{
// Transfer ownership
s_watchers.Add(processId, data);
}
}
EnsureWatcherThreadRunning();
}
public static void WatchProcess(int processId, Action <int> processQuit)
{
lock (_lock)
{
if (s_watchers.Any(w => w.Value.processId == processId))
{
return;
}
}
Trace.WriteLine($"ProcessWatcherService WatchProcess {processId}");
var data = new ProcessWatcherData
{
processId = processId,
processHandle = Kernel32.OpenProcess(Kernel32.ProcessFlags.SYNCHRONIZE, false, processId)
};
data.quitActions.Add(processQuit);
lock (_lock)
{
if (s_watchers.ContainsKey(processId))
{
// We lost the race, add our callback and clean up.
s_watchers[processId].quitActions.Add(processQuit);
Kernel32.CloseHandle(data.processHandle);
}
else
{
// Transfer ownership
s_watchers.Add(processId, data);
}
}
EnsureWatcherThreadRunning();
}
