afm-user-session: Create afm-user-session

This new executable is the simplest user session
manager: it waits the signal SIGTERM to stop and
thus release the session.

Change-Id: I557f27386c19ca3e2b28b21dd6a58918e9ca47be
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/afm-user-session.c b/src/afm-user-session.c
new file mode 100644
index 0000000..51acafe
--- /dev/null
+++ b/src/afm-user-session.c
@@ -0,0 +1,38 @@
+/*
+ Copyright 2018 IoT.bzh
+
+ author: José Bollo <jose.bollo@iot.bzh>
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#include <signal.h>
+#include <systemd/sd-daemon.h>
+
+int main()
+{
+	sigset_t ass, bss;
+
+	sigemptyset(&ass);
+	sigaddset(&ass, SIGTERM);
+
+	sigfillset(&bss);
+	sigdelset(&bss, SIGTERM);
+
+	sd_notify(0, "READY=1");
+	sigprocmask(SIG_SETMASK, &bss, 0);
+	sigwaitinfo(&ass, 0);
+
+	return 0;
+}
+