| 1 | /* |
| 2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> |
| 3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 4 | * 2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License, version 2 only, |
| 8 | * as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | */ |
| 19 | |
| 20 | #include <signal.h> |
| 21 | #include "lttng-sessiond.h" |
| 22 | |
| 23 | /* Notify parents that we are ready for cmd and health check */ |
| 24 | void sessiond_signal_parents(void) |
| 25 | { |
| 26 | /* |
| 27 | * Notify parent pid that we are ready to accept command |
| 28 | * for client side. This ppid is the one from the |
| 29 | * external process that spawned us. |
| 30 | */ |
| 31 | if (config.sig_parent) { |
| 32 | kill(ppid, SIGUSR1); |
| 33 | } |
| 34 | |
| 35 | /* |
| 36 | * Notify the parent of the fork() process that we are |
| 37 | * ready. |
| 38 | */ |
| 39 | if (config.daemonize || config.background) { |
| 40 | kill(child_ppid, SIGUSR1); |
| 41 | } |
| 42 | } |