Don't attempt to intercept SIGKILL, it doesn't work on any OS

common/os_calls.c

@@ -2714,17 +2714,6 @@ g_signal_user_interrupt(void (*func)(int))
 #endif
 }
 
-/*****************************************************************************/
-/* does not work in win32 */
-void APP_CC
-g_signal_kill(void (*func)(int))
-{
-#if defined(_WIN32)
-#else
-    signal(SIGKILL, func);
-#endif
-}
-
 /*****************************************************************************/
 /* does not work in win32 */
 void APP_CC

common/os_calls.h

@@ -147,7 +147,6 @@ void APP_CC     g_signal_child_stop(void (*func)(int));
 void APP_CC     g_signal_segfault(void (*func)(int));
 void APP_CC     g_signal_hang_up(void (*func)(int));
 void APP_CC     g_signal_user_interrupt(void (*func)(int));
-void APP_CC     g_signal_kill(void (*func)(int));
 void APP_CC     g_signal_terminate(void (*func)(int));
 void APP_CC     g_signal_pipe(void (*func)(int));
 void APP_CC     g_signal_usr1(void (*func)(int));

sesman/chansrv/chansrv.c

@@ -1525,7 +1525,6 @@ main(int argc, char **argv)
 
     LOGM((LOG_LEVEL_ALWAYS, "main: app started pid %d(0x%8.8x)", pid, pid));
     /*  set up signal handler  */
-    g_signal_kill(term_signal_handler); /* SIGKILL */
     g_signal_terminate(term_signal_handler); /* SIGTERM */
     g_signal_user_interrupt(term_signal_handler); /* SIGINT */
     g_signal_pipe(nil_signal_handler); /* SIGPIPE */

sesman/sesman.c

@@ -331,7 +331,6 @@ main(int argc, char **argv)
 #if 1
     g_signal_hang_up(sig_sesman_reload_cfg); /* SIGHUP  */
     g_signal_user_interrupt(sig_sesman_shutdown); /* SIGINT  */
-    g_signal_kill(sig_sesman_shutdown); /* SIGKILL */
     g_signal_terminate(sig_sesman_shutdown); /* SIGTERM */
     g_signal_child_stop(sig_sesman_session_end); /* SIGCHLD */
 #endif

sesman/sessvc/sessvc.c

@@ -93,7 +93,6 @@ main(int argc, char **argv)
         return 1;
     }
 
-    g_signal_kill(term_signal_handler); /* SIGKILL */
     g_signal_terminate(term_signal_handler); /* SIGTERM */
     g_signal_user_interrupt(term_signal_handler); /* SIGINT */
     g_signal_pipe(nil_signal_handler); /* SIGPIPE */

xrdp/xrdp.c

@@ -563,7 +563,6 @@ main(int argc, char **argv)
     g_threadid = tc_get_threadid();
     g_listen = xrdp_listen_create();
     g_signal_user_interrupt(xrdp_shutdown); /* SIGINT */
-    g_signal_kill(xrdp_shutdown); /* SIGKILL */
     g_signal_pipe(pipe_sig); /* SIGPIPE */
     g_signal_terminate(xrdp_shutdown); /* SIGTERM */
     g_signal_child_stop(xrdp_child); /* SIGCHLD */

xrdp/xrdpwin.c

@@ -618,7 +618,6 @@ main(int argc, char **argv)
     g_threadid = tc_get_threadid();
     g_listen = xrdp_listen_create();
     g_signal_user_interrupt(xrdp_shutdown); /* SIGINT */
-    g_signal_kill(xrdp_shutdown); /* SIGKILL */
     g_signal_pipe(pipe_sig); /* SIGPIPE */
     g_signal_terminate(xrdp_shutdown); /* SIGTERM */
     g_sync_mutex = tc_mutex_create();