[weiden] 13134: made SetErrorMode() thread-safe

made SetErrorMode() thread-safe
Modified: trunk/reactos/lib/kernel32/except/except.c
  _____

Modified: trunk/reactos/lib/kernel32/except/except.c
--- trunk/reactos/lib/kernel32/except/except.c	2005-01-19 14:25:10 UTC
(rev 13133)
+++ trunk/reactos/lib/kernel32/except/except.c	2005-01-19 19:14:56 UTC
(rev 13134)
@@ -15,25 +15,18 @@

#define NDEBUG
 #include "../include/debug.h"

-UINT GlobalErrMode = 0;
+UINT GlobalErrorMode = 0;
 LPTOP_LEVEL_EXCEPTION_FILTER GlobalTopLevelExceptionFilter =
UnhandledExceptionFilter;

-UINT GetErrorMode(void)
-{
-	return GlobalErrMode;
-}

-
 /*
  * @implemented
  */
 UINT 
 STDCALL
-SetErrorMode(  UINT uMode  )
+SetErrorMode(UINT uMode)
 {
-	UINT OldErrMode = GetErrorMode();
-	GlobalErrMode = uMode;
-	return OldErrMode;
+   return (UINT)InterlockedExchange((LONG*)&GlobalErrorMode,
(LONG)uMode);
 }

@@ -121,7 +114,7 @@
       return EXCEPTION_CONTINUE_SEARCH;
    }

-   if ((GetErrorMode() & SEM_NOGPFAULTERRORBOX) == 0)
+   if ((GlobalErrorMode & SEM_NOGPFAULTERRORBOX) == 0)
    {
 #ifdef _X86_
       PULONG Frame;