ALT Linux Sisyphus discussions
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From: Sergey V Turchin <zerg@altlinux.org>
To: ALT Linux Sisyphus discussions <sisyphus@lists.altlinux.org>
Subject: Re: [sisyphus] kdm4 + lxde и переключение пользователей
Date: Mon, 16 Jan 2012 16:11:43 +0400
Message-ID: <9700499.5ktIjMqu2a@summoner.localdomain> (raw)
In-Reply-To: <4F13DBDF.10205@gmail.com>


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On 16 января 2012 12:12:15 Alexey Borisenkov wrote:
> Короткий вопрос: почему kdm4 создаёт файл /var/run/xdm.pid, а не
> /var/run/kdm.pid ?
Чтоб однообразнее было. Да и по другому никогда и не было. В KDE3 тоже.

> $ cat /proc/`cat /var/run/xdm.pid`/cmdline
> kdm-nodaemon
> Это для чего-то надо или просто так получилось?
C cmdline и именем процесса в proc там вообще ахалай-махалай какой-то.

> Теперь, почему интересуюсь. Если используется связка lxde + gdm, то
> переключение пользователей доступно.
Прилагаю набросок для KDM.

[...]

-- 
Regards, Sergey.       ALT Linux, http://www.altlinux.ru/

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--- lxsession-logout.c~	2011-08-30 01:05:54.000000000 +0400
+++ lxsession-logout.c	2012-01-16 16:08:45.391131299 +0400
@@ -75,7 +75,7 @@ typedef struct {
 } HandlerContext;
 
 static gboolean lock_screen(void);
-static gboolean verify_running(const char * display_manager, const char * executable);
+static gboolean verify_running(const char * display_manager, const char * executable, const char * proc_dm = NULL);
 static void logout_clicked(GtkButton * button, HandlerContext * handler_context);
 static void change_root_property(GtkWidget* w, const char* prop_name, const char* value);
 static void shutdown_clicked(GtkButton * button, HandlerContext * handler_context);
@@ -101,7 +101,7 @@ static gboolean lock_screen(void)
 }
 
 /* Verify that a program is running and that an executable is available. */
-static gboolean verify_running(const char * display_manager, const char * executable)
+static gboolean verify_running(const char * display_manager, const char * executable, const char * proc_dm)
 {
     /* See if the executable we need to run is in the path. */
     gchar * full_path = g_find_program_in_path(executable);
@@ -144,8 +144,14 @@ static gboolean verify_running(const cha
                             /* Null terminate the buffer and look for the display manager name in the command.
                              * If found, return success. */
                             buffer[length] = '\0';
-                            if (strstr(buffer, display_manager) != NULL)
-                                return TRUE;
+                            if( proc_dm != NULL )
+                            {
+                        	if (strstr(buffer, proc_dm) != NULL)
+                            	    return TRUE;
+                            } else {
+                        	if (strstr(buffer, display_manager) != NULL)
+                            	    return TRUE;
+                            }
                         }
                     }
                 }
@@ -450,7 +456,7 @@ int main(int argc, char * argv[])
     }
 
     /* If we are under KDM, its "Switch User" is available. */
-    if (verify_running("kdm", "kdmctl"))
+    if (verify_running("xdm", "kdmctl", "kdm"))
     {
         handler_context.switch_user_available = TRUE;
         handler_context.switch_user_KDM = TRUE;

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  reply	other threads:[~2012-01-16 12:11 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-16  8:12 Alexey Borisenkov
2012-01-16 12:11 ` Sergey V Turchin [this message]
2012-01-16 12:36   ` Alexey Borisenkov
2012-01-16 13:08     ` Sergey V Turchin
2012-01-16 16:08       ` Alexey Borisenkov

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