Clean-up: move global sessiond symbols out of main.o

[lttng-tools.git] / src / bin / lttng-sessiond / process-utils.c

diff --git a/src/bin/lttng-sessiond/process-utils.c b/src/bin/lttng-sessiond/process-utils.c
new file mode 100644 (file)
index 0000000..54a54f5
--- /dev/null
+++ b/src/bin/lttng-sessiond/process-utils.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *               2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <signal.h>
+#include "lttng-sessiond.h"
+
+/* Notify parents that we are ready for cmd and health check */
+void sessiond_signal_parents(void)
+{
+       /*
+        * Notify parent pid that we are ready to accept command
+        * for client side.  This ppid is the one from the
+        * external process that spawned us.
+        */
+       if (config.sig_parent) {
+               kill(ppid, SIGUSR1);
+       }
+
+       /*
+        * Notify the parent of the fork() process that we are
+        * ready.
+        */
+       if (config.daemonize || config.background) {
+               kill(child_ppid, SIGUSR1);
+       }
+}