birdwm

commit 346cb8e12cdde20f57cd71c9e752b5bc6ce38409
parent 77311a7220db641fdc1ef921ab451179a62ec50a
Author: grouse <bdmfegys@duck.com>
Date:   Fri,  1 Dec 2023 23:50:21 -0500

successfully built after restartsig patch

Diffstat:
M
dwm.1
 | 
10
++++++++++
M
dwm.c
 | 
22
++++++++++++++++++++++

2 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/dwm.1 b/dwm.1
@@ -150,6 +150,9 @@ Add/remove all windows with nth tag to/from the view.
 .TP
 .B Mod1\-Shift\-q
 Quit birdwm.
+.TP
+.B Mod1\-Control\-Shift\-q
+Restart birdwm.
 .SS Mouse commands
 .TP
 .B Mod1\-Button1
@@ -178,6 +181,13 @@ This file is started before any autostart.sh; birdwm waits for its termination.
 .SH CUSTOMIZATION
 birdwm is customized by creating a custom config.h and (re)compiling the source
 code. This keeps it fast, secure and simple.
+.SH SIGNALS
+.TP
+.B SIGHUP - 1
+Restart the dwm process.
+.TP
+.B SIGTERM - 15
+Cleanly terminate the dwm process.
 .SH SEE ALSO
 .BR dmenu (1),
 .BR st (1)
diff --git a/dwm.c b/dwm.c
@@ -260,6 +260,8 @@ static void setmfact(const Arg *arg);
 static void setup(void);
 static void seturgent(Client *c, int urg);
 static void showhide(Client *c);
+static void sighup(int unused);
+static void sigterm(int unused);
 static void spawn(const Arg *arg);
 static Monitor *systraytomon(Monitor *m);
 static void tag(const Arg *arg);
@@ -330,6 +332,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[UnmapNotify] = unmapnotify
 };
 static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
+static int restart = 0;
 static int running = 1;
 static Cur *cursor[CurLast];
 static Clr **scheme;
@@ -1541,6 +1544,7 @@ propertynotify(XEvent *e)
 void
 quit(const Arg *arg)
 {
+	if(arg->i) restart = 1;
 	running = 0;
 }
 
@@ -1971,6 +1975,9 @@ setup(void)
 	/* clean up any zombies (inherited from .xinitrc etc) immediately */
 	while (waitpid(-1, NULL, WNOHANG) > 0);
 
+	signal(SIGHUP, sighup);
+	signal(SIGTERM, sigterm);
+
 	/* init screen */
 	screen = DefaultScreen(dpy);
 	sw = DisplayWidth(dpy, screen);
@@ -2081,6 +2088,20 @@ showhide(Client *c)
 }
 
 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)
 {
 	struct sigaction sa;
@@ -2874,6 +2895,7 @@ main(int argc, char *argv[])
 	scan();
 	runautostart();
 	run();
+	if(restart) execvp(argv[0], argv);
 	cleanup();
 	XCloseDisplay(dpy);
 	return EXIT_SUCCESS;