From 1056dca533c84e168e69a5af54fc90ba5d718612 Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Sat, 20 Oct 2018 15:45:58 -0400
Subject: Only use pidfile(3) on FreeBSD

---
 README   | 2 +-
 server.c | 9 ++++++++-
 torus.1  | 2 ++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/README b/README
index 743a4e6..67c4dcc 100644
--- a/README
+++ b/README
@@ -39,7 +39,7 @@ DESCRIPTION
      -h      Write help page data to standard output and exit.
 
      -p pidfile
-             Daemonize and write PID to pidfile.
+             Daemonize and write PID to pidfile.  Only available on FreeBSD.
 
      -s sock
              Set path to UNIX-domain socket.  The default path is torus.sock.
diff --git a/server.c b/server.c
index 7edf3f2..cff6d21 100644
--- a/server.c
+++ b/server.c
@@ -19,7 +19,6 @@
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <libutil.h>
 #include <signal.h>
 #include <stdbool.h>
 #include <stdint.h>
@@ -34,6 +33,10 @@
 #include <time.h>
 #include <unistd.h>
 
+#ifdef __FreeBSD__
+#include <libutil.h>
+#endif
+
 #include "torus.h"
 
 static struct Tile *tiles;
@@ -371,11 +374,13 @@ int main(int argc, char *argv[]) {
 		}
 	}
 
+#ifdef __FreeBSD__
 	struct pidfh *pid = NULL;
 	if (pidPath) {
 		pid = pidfile_open(pidPath, 0600, NULL);
 		if (!pid) err(EX_CANTCREAT, "%s", pidPath);
 	}
+#endif
 
 	tilesMap(dataPath);
 
@@ -390,11 +395,13 @@ int main(int argc, char *argv[]) {
 	error = bind(server, (struct sockaddr *)&addr, SUN_LEN(&addr));
 	if (error) err(EX_CANTCREAT, "%s", sockPath);
 
+#ifdef __FreeBSD__
 	if (pid) {
 		error = daemon(0, 0);
 		if (error) err(EX_OSERR, "daemon");
 		pidfile_write(pid);
 	}
+#endif
 
 	error = listen(server, 0);
 	if (error) err(EX_OSERR, "listen");
diff --git a/torus.1 b/torus.1
index 6bad6be..cf4f702 100644
--- a/torus.1
+++ b/torus.1
@@ -101,6 +101,8 @@ Write help page data to standard output and exit.
 .It Fl p Ar pidfile
 Daemonize and write PID to
 .Ar pidfile .
+Only available on
+.Fx .
 .
 .It Fl s Ar sock
 Set path to UNIX-domain socket.
-- 
cgit 1.4.1