Add restarting functionality

1 files changed, 22 insertions, 0 deletions

diff --git a/dwm.c b/dwm.c
index 0c9cb30..93604ab 100644
--- a/dwm.c
+++ b/dwm.c
@@ -241,6 +241,8 @@ static void seturgent(Client *c, int urg);
 static void setviewport(void);
 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 swallow(Client *p, Client *c);
 static Client *swallowingclient(Window w);
@@ -301,6 +303,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[UnmapNotify] = unmapnotify
 };
 static Atom wmatom[WMLast], netatom[NetLast], motifatom;
+static int restart = 0;
 static int running = 1;
 static Cur *cursor[CurLast];
 static Clr **scheme;
@@ -1461,6 +1464,7 @@ quit(const Arg *arg)
 		}
 	}
 
+	if(arg->i) restart = 1;
 	running = 0;
 }
 
@@ -1798,6 +1802,9 @@ setup(void)
 	/* clean up any zombies immediately */
 	sigchld(0);
 
+	signal(SIGHUP, sighup);
+	signal(SIGTERM, sigterm);
+
 	/* init screen */
 	screen = DefaultScreen(dpy);
 	sw = DisplayWidth(dpy, screen);
@@ -1929,6 +1936,20 @@ sigchld(int unused)
 }
 
 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)
 {
 	if (arg->v == dmenucmd)
@@ -2707,6 +2728,7 @@ main(int argc, char *argv[])
 #endif /* __OpenBSD__ */
 	scan();
 	run();
+	if(restart) execvp(argv[0], argv);
 	cleanup();
 	XCloseDisplay(dpy);
 	return EXIT_SUCCESS;