From ed8b18dbe85d4d1915101d2ee5a0e9c0263f1971 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Thu, 5 Jan 2017 16:45:01 +0100
Subject: use systemd service manager notification

---
 Makefile                       | 4 ++++
 README.md                      | 1 +
 netlink-notify.c               | 4 ++++
 netlink-notify.h               | 5 +++++
 systemd/netlink-notify.service | 2 +-
 5 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 37c1e85..9f4e38d 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,10 @@ RM	:= rm
 # flags
 CFLAGS	+= -std=c11 -O2 -fPIC -Wall -Werror
 CFLAGS	+= $(shell pkg-config --cflags --libs libnotify)
+CFLAGS_SYSTEMD := $(shell pkg-config --cflags --libs libsystemd 2>/dev/null)
+ifneq ($(CFLAGS_SYSTEMD),)
+CFLAGS	+= -DHAVE_SYSTEMD $(CFLAGS_SYSTEMD)
+endif
 LDFLAGS	+= -Wl,-z,now -Wl,-z,relro -pie
 
 # this is just a fallback in case you do not use git but downloaded
diff --git a/README.md b/README.md
index de6dd4f..41615b8 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ Requirements
 
 To compile and run `netlink-notify` you need:
 
+* [systemd](https://www.github.com/systemd/systemd)
 * [libnotify](http://library.gnome.org/devel/notification-spec/)
 * [linux](http://www.kernel.org/)
 * [markdown](http://daringfireball.net/projects/markdown/) (HTML documentation)
diff --git a/netlink-notify.c b/netlink-notify.c
index d529ed4..5d96afa 100644
--- a/netlink-notify.c
+++ b/netlink-notify.c
@@ -503,6 +503,10 @@ int main (int argc, char **argv) {
 	signal(SIGINT, received_signal);
 	signal(SIGTERM, received_signal);
 
+#ifdef HAVE_SYSTEMD
+	sd_notify(0, "READY=1\nSTATUS=Waiting for netlink events...");
+#endif
+
 	while (doexit == 0) {
 		if (read_event(nls) != EXIT_SUCCESS) {
 			fprintf(stderr, "%s: read_event returned error.\n", program);
diff --git a/netlink-notify.h b/netlink-notify.h
index 9f1f6e8..eea7cb9 100644
--- a/netlink-notify.h
+++ b/netlink-notify.h
@@ -30,6 +30,11 @@
 #include <netinet/in.h>
 #include <sys/socket.h>
 
+/* systemd headers */
+#ifdef HAVE_SYSTEMD
+#include <systemd/sd-daemon.h>
+#endif
+
 #include <libnotify/notify.h>
 
 #include "version.h"
diff --git a/systemd/netlink-notify.service b/systemd/netlink-notify.service
index 2db23c7..1aba5e3 100644
--- a/systemd/netlink-notify.service
+++ b/systemd/netlink-notify.service
@@ -2,7 +2,7 @@
 Description=Netlink Notification
 
 [Service]
-Type=simple
+Type=notify
 ExecStart=/usr/bin/netlink-notify
 
 [Install]
-- 
cgit v1.2.3-70-g09d2