[cfinck] 39353: Gabriel Ilardi ([e-mail]) - Allow only one instance of Task-Manager to be run at the same time See issue #3976 for more details.

Author: cfinck
Date: Tue Feb  3 16:25:39 2009
New Revision: 39353

URL: http://svn.reactos.org/svn/reactos?rev=39353&view=rev
Log:
Gabriel Ilardi (gabrielilardi(a)hotmail.it)
- Allow only one instance of Task-Manager to be run at the same time

See issue #3976 for more details.

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

Modified: trunk/reactos/base/applications/taskmgr/taskmgr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/taskmgr/…
==============================================================================
--- trunk/reactos/base/applications/taskmgr/taskmgr.c [iso-8859-1] (original)
+++ trunk/reactos/base/applications/taskmgr/taskmgr.c [iso-8859-1] Tue Feb  3 16:25:39
2009
@@ -51,6 +51,12 @@
     HANDLE hProcess;
     HANDLE hToken;
     TOKEN_PRIVILEGES tkp;
+    HANDLE hMutex;
+
+    /* check wether we're already running or not */
+    hMutex = CreateMutexW(NULL, TRUE, L"taskmgrros");
+    if ((!hMutex) || (GetLastError() == ERROR_ALREADY_EXISTS))
+        return 1;
 
     /* Initialize global variables */
     hInst = hInstance;

[Alex Ionescu]

This won't be compatible with Windows applications.

On 3-Feb-09, at 5:25 PM, cfinck(a)svn.reactos.org wrote:

>   Author: cfinck
>  Date: Tue Feb  3 16:25:39 2009
>  New Revision: 39353
>
>  URL: http://svn.reactos.org/svn/reactos?rev=39353&view=rev
>  Log:
>  Gabriel Ilardi (gabrielilardi(a)hotmail.it)
>  - Allow only one instance of Task-Manager to be run at the same time
>
>  See issue #3976 for more details.
>
>  Modified:
>     trunk/reactos/base/applications/taskmgr/taskmgr.c
>
>  Modified: trunk/reactos/base/applications/taskmgr/taskmgr.c
>  URL:
> http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/taskmgr/…
>  =
>  =
>  =
>  =
>  =
>  =
>  =
>  =
>  ======================================================================
>  --- trunk/reactos/base/applications/taskmgr/taskmgr.c [iso-8859-1]  
>  (original)
>  +++ trunk/reactos/base/applications/taskmgr/taskmgr.c [iso-8859-1]  
>  Tue Feb  3 16:25:39 2009
>  @@ -51,6 +51,12 @@
>      HANDLE hProcess;
>      HANDLE hToken;
>      TOKEN_PRIVILEGES tkp;
>  +    HANDLE hMutex;
>  +
>  +    /* check wether we're already running or not */
>  +    hMutex = CreateMutexW(NULL, TRUE, L"taskmgrros");
>  +    if ((!hMutex) || (GetLastError() == ERROR_ALREADY_EXISTS))
>  +        return 1;
>
>      /* Initialize global variables */
>      hInst = hInstance;
>  
Best regards,
Alex Ionescu