From cc21cd37a974e12e283c04a51ffa9790a39c74af Mon Sep 17 00:00:00 2001
From: rafa_99 <rafa99@protonmail.com>
Date: Sun, 2 Feb 2020 00:49:27 +0000
Subject: Restart Patch

---
 dwm.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'dwm.c')

diff --git a/dwm.c b/dwm.c
index db8758d..9ae95b5 100644
--- a/dwm.c
+++ b/dwm.c
@@ -222,6 +222,8 @@ static void setup(void);
 static void seturgent(Client *c, int urg);
 static void showhide(Client *c);
 static void sigchld(int unused);
+static void sighup(int unused);
+static void sigterm(int unused);
 static void spawn(const Arg *arg);
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
@@ -283,6 +285,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[UnmapNotify] = unmapnotify
 };
 static Atom wmatom[WMLast], netatom[NetLast];
+static int restart = 0;
 static int running = 1;
 static Cur *cursor[CurLast];
 static Clr **scheme;
@@ -1292,6 +1295,7 @@ propertynotify(XEvent *e)
 void
 quit(const Arg *arg)
 {
+	if(arg->i) restart = 1;
 	running = 0;
 }
 
@@ -1669,6 +1673,9 @@ setup(void)
 	/* clean up any zombies immediately */
 	sigchld(0);
 
+	signal(SIGHUP, sighup);
+	signal(SIGTERM, sigterm);
+
 	/* init screen */
 	screen = DefaultScreen(dpy);
 	sw = DisplayWidth(dpy, screen);
@@ -1774,6 +1781,20 @@ sigchld(int unused)
 	while (0 < waitpid(-1, NULL, WNOHANG));
 }
 
+void
+sighup(int unused)
+{
+	Arg a = {.i = 1};
+	quit(&a);
+}
+
+void
+sigterm(int unused)
+{
+	Arg a = {.i = 0};
+	quit(&a);
+}
+
 void
 spawn(const Arg *arg)
 {
@@ -2324,6 +2345,7 @@ main(int argc, char *argv[])
 #endif /* __OpenBSD__ */
 	scan();
 	run();
+	if(restart) execvp(argv[0], argv);
 	cleanup();
 	XCloseDisplay(dpy);
 	return EXIT_SUCCESS;
-- 
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