bin: compile lttng-sessiond as C++

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

diff --git a/src/bin/lttng-sessiond/process-utils.cpp b/src/bin/lttng-sessiond/process-utils.cpp
new file mode 100644 (file)
index 0000000..2d629b5
--- /dev/null
+++ b/src/bin/lttng-sessiond/process-utils.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#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 (the_config.sig_parent) {
+               kill(the_ppid, SIGUSR1);
+       }
+
+       /*
+        * Notify the parent of the fork() process that we are
+        * ready.
+        */
+       if (the_config.daemonize || the_config.background) {
+               kill(the_child_ppid, SIGUSR1);
+       }
+}