tree-wide: drop 'This file is part of systemd' blurb

[elogind.git] / src / shared / spawn-polkit-agent.c

diff --git a/src/shared/spawn-polkit-agent.c b/src/shared/spawn-polkit-agent.c
index c6bd65eb71d63d9cd0662e4db0617cc5668e8d0a..03a1faf686ff796ac49bb1eb12aab7f08edaf01d 100644 (file)
--- a/src/shared/spawn-polkit-agent.c
+++ b/src/shared/spawn-polkit-agent.c
@@ -1,21 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 /***
-  This file is part of systemd.
-
   Copyright 2011 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
 #include <errno.h>
@@ -52,6 +37,9 @@ int polkit_agent_open(void) {
         if (!isatty(STDIN_FILENO))
                 return 0;
 
+        if (!is_main_thread())
+                return -EPERM;
+
         if (pipe2(pipe_fd, 0) < 0)
                 return -errno;
 
@@ -83,9 +71,7 @@ void polkit_agent_close(void) {
                 return;
 
         /* Inform agent that we are done */
-        (void) kill(agent_pid, SIGTERM);
-        (void) kill(agent_pid, SIGCONT);
-
+        (void) kill_and_sigcont(agent_pid, SIGTERM);
         (void) wait_for_terminate(agent_pid, NULL);
         agent_pid = 0;
 }