From 2588f7dc3e89ff4b5b26f3ec69f83bd51c13bc7f Mon Sep 17 00:00:00 2001
From: mrexodia <mr.exodia.tpodt@gmail.com>
Date: Tue, 27 Jun 2017 03:13:32 +0200
Subject: [PATCH] DBG: workaround for pausing certain applications that are
 stuck in NtUserGetMessage

---
 src/dbg/commands/cmd-debug-control.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/dbg/commands/cmd-debug-control.cpp b/src/dbg/commands/cmd-debug-control.cpp
index f8dd7aba..7ad4bcce 100644
--- a/src/dbg/commands/cmd-debug-control.cpp
+++ b/src/dbg/commands/cmd-debug-control.cpp
@@ -11,6 +11,7 @@
 #include "value.h"
 #include "TraceRecord.h"
 #include "handle.h"
+#include "thread.h"
 
 static bool skipInt3Stepping(int argc, char* argv[])
 {
@@ -266,7 +267,10 @@ bool cbDebugPause(int argc, char* argv[])
         }
         return false;
     }
-    dbgsetispausedbyuser(true);
+    //WORKAROUND: If a program is stuck in NtUserGetMessage (GetMessage was called), this
+    //will send a WM_NULL to stop the waiting. This only works if the message is not filtered.
+    //OllyDbg also does this in a similar way.
+    PostThreadMessageA(ThreadGetId(hActiveThread), WM_NULL, 0, 0);
     if(ResumeThread(hActiveThread) == -1)
     {
         dputs(QT_TRANSLATE_NOOP("DBG", "Error resuming thread"));