From 82ad159967cd5b57601ca42bea5ced0d6b35375e Mon Sep 17 00:00:00 2001
From: James Tabor <james.tabor@reactos.org>
Date: Mon, 24 Sep 2007 02:42:17 +0000
Subject: [PATCH] Implement IsGUIThread.

svn path=/trunk/; revision=29171
---
 reactos/dll/win32/user32/misc/misc.c  | 23 +++++++++++++++++++++++
 reactos/dll/win32/user32/misc/stubs.c | 12 ------------
 2 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/reactos/dll/win32/user32/misc/misc.c b/reactos/dll/win32/user32/misc/misc.c
index 7bd178afb6c..cce743eb29b 100644
--- a/reactos/dll/win32/user32/misc/misc.c
+++ b/reactos/dll/win32/user32/misc/misc.c
@@ -269,6 +269,29 @@ EndTask(
     return TRUE;
 }
 
+/*
+ * @implemented
+ */
+BOOL
+STDCALL
+IsGUIThread(
+    BOOL bConvert)
+{
+  PW32THREADINFO ti = (PW32THREADINFO)NtCurrentTeb()->Win32ThreadInfo;
+  if (ti == NULL)
+  {
+    if(bConvert)
+    {
+      if (NtUserGetThreadState(THREADSTATE_GETTHREADINFO)) return TRUE;
+      else
+         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+    }
+    return FALSE;
+  }
+  else
+    return TRUE;
+}
+
 PUSER_HANDLE_ENTRY
 FASTCALL
 GetUser32Handle(HANDLE handle)
diff --git a/reactos/dll/win32/user32/misc/stubs.c b/reactos/dll/win32/user32/misc/stubs.c
index e9ce40ac88d..ecad70006c5 100644
--- a/reactos/dll/win32/user32/misc/stubs.c
+++ b/reactos/dll/win32/user32/misc/stubs.c
@@ -539,18 +539,6 @@ GetRegisteredRawInputDevices(
   return FALSE;
 }
 
-/*
- * @unimplemented
- */
-BOOL
-STDCALL
-IsGUIThread(
-    BOOL bConvert)
-{
-  UNIMPLEMENTED;
-  return FALSE;
-}
-
 /*
  * @unimplemented
  */