[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 ([e-mail])
- 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/t...
==============================================================================
--- 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, [e-mail] 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 ([e-mail])
> 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/t...
> =
> =
> =
> =
> =
> =
> =
> =
> ======================================================================
> --- 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