From 1a685bd430f33e4fcbb600437960a2877c17cc04 Mon Sep 17 00:00:00 2001
From: Kumar Damani <kdamani@kepler.space>
Date: Thu, 18 Nov 2021 12:26:17 -0500
Subject: added pactch for dwm restart

---
 dwm.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'dwm.c')

diff --git a/dwm.c b/dwm.c
index cc98b06..ee6f70b 100644
--- a/dwm.c
+++ b/dwm.c
@@ -226,6 +226,8 @@ 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 spawnscratch(const Arg *arg);
 static void tag(const Arg *arg);
@@ -288,6 +290,7 @@ 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;
@@ -1308,6 +1311,7 @@ propertynotify(XEvent *e)
 void
 quit(const Arg *arg)
 {
+	if(arg->i) restart = 1;
 	running = 0;
 }
 
@@ -1776,8 +1780,12 @@ setup(void)
 	Atom utf8string;
 
 	/* clean up any zombies immediately */
+
 	sigchld(0);
 
+	signal(SIGHUP, sighup);
+	signal(SIGTERM, sigterm);
+
 	/* init screen */
 	screen = DefaultScreen(dpy);
 	sw = DisplayWidth(dpy, screen);
@@ -1878,6 +1886,20 @@ 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)
 {
@@ -2480,6 +2502,7 @@ main(int argc, char *argv[])
 	scan();
 	runautostart();
 	run();
+	if(restart) execvp(argv[0], argv);
 	cleanup();
 	XCloseDisplay(dpy);
 	return EXIT_SUCCESS;
-- 
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