Fixed hang when using RunLoop.main.run with Date() on Android/Linux

Author: Molanda

CoreFoundation/RunLoop.subproj/CFRunLoop.c

@@ -2846,7 +2846,7 @@ static int32_t __CFRunLoopRun(CFRunLoopRef rl, CFRunLoopModeRef rlm, CFTimeInter
         // Here, use the app-supplied message queue mask. They will set this if they are interested in having this run loop receive windows messages.
         __CFRunLoopWaitForMultipleObjects(waitSet, NULL, poll ? 0 : TIMEOUT_INFINITY, rlm->_msgQMask, &livePort, &windowsMessageReceived);
 #elif TARGET_OS_LINUX
-        __CFRunLoopServiceFileDescriptors(waitSet, CFPORT_NULL, TIMEOUT_INFINITY, &livePort);
+        __CFRunLoopServiceFileDescriptors(waitSet, CFPORT_NULL, poll ? 0 : TIMEOUT_INFINITY, &livePort);
 #endif
 
         __CFRunLoopLock(rl);