[spetreolle] 70662: [TASKMGR] protect some variables with the critical section Patch by Mark Jansen. CORE-10787

Author: spetreolle
Date: Sat Jan 30 17:01:04 2016
New Revision: 70662

URL: http://svn.reactos.org/svn/reactos?rev=70662&view=rev
Log:
[TASKMGR]
protect some variables with the critical section
Patch by Mark Jansen.
CORE-10787

Modified:
    trunk/reactos/base/applications/taskmgr/perfdata.c

Modified: trunk/reactos/base/applications/taskmgr/perfdata.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/taskmgr/p...
==============================================================================
--- trunk/reactos/base/applications/taskmgr/perfdata.c	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/taskmgr/perfdata.c	[iso-8859-1] Sat Jan 30 17:01:04 2016
@@ -477,17 +477,29 @@

ULONG PerfDataGetProcessCount(void)
 {
-    return ProcessCount;
+    ULONG Result;
+    EnterCriticalSection(&PerfDataCriticalSection);
+    Result = ProcessCount;
+    LeaveCriticalSection(&PerfDataCriticalSection);
+    return Result;
 }

ULONG PerfDataGetProcessorUsage(void)
 {
-    return (ULONG)dbIdleTime;
+    ULONG Result;
+    EnterCriticalSection(&PerfDataCriticalSection);
+    Result = (ULONG)dbIdleTime;
+    LeaveCriticalSection(&PerfDataCriticalSection);
+    return Result;
 }

ULONG PerfDataGetProcessorSystemUsage(void)
 {
-    return (ULONG)dbKernelTime;
+    ULONG Result;
+    EnterCriticalSection(&PerfDataCriticalSection);
+    Result = (ULONG)dbKernelTime;
+    LeaveCriticalSection(&PerfDataCriticalSection);
+    return Result;
 }

BOOL PerfDataGetImageName(ULONG Index, LPWSTR lpImageName, ULONG nMaxCount)