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From feeaa839d2c6c1d0e66649cb64c4added563d4e4 Mon Sep 17 00:00:00 2001
From: Son Phan Trung <phantrungson17@gmail.com>
Date: Tue, 12 Mar 2024 18:37:32 +0700
Subject: [PATCH] patches/cool-autostart: Update patch
Updated for the removal of the sigchld() function.
---
config.def.h | 5 +++++
dwm.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 61 insertions(+), 1 deletion(-)
diff --git a/config.def.h b/config.def.h
index 9efa774..aba210d 100644
--- a/config.def.h
+++ b/config.def.h
@@ -18,6 +18,11 @@ static const char *colors[][3] = {
[SchemeSel] = { col_gray4, col_cyan, col_cyan },
};
+static const char *const autostart[] = {
+ "st", NULL,
+ NULL /* terminate */
+};
+
/* tagging */
static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
diff --git a/dwm.c b/dwm.c
index f1d86b2..c2eb07d 100644
--- a/dwm.c
+++ b/dwm.c
@@ -233,6 +233,7 @@ static int xerror(Display *dpy, XErrorEvent *ee);
static int xerrordummy(Display *dpy, XErrorEvent *ee);
static int xerrorstart(Display *dpy, XErrorEvent *ee);
static void zoom(const Arg *arg);
+static void autostart_exec(void);
/* variables */
static const char broken[] = "broken";
@@ -274,6 +275,34 @@ static Window root, wmcheckwin;
/* compile-time check if all tags fit into an unsigned int bit array. */
struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
+/* dwm will keep pid's of processes from autostart array and kill them at quit */
+static pid_t *autostart_pids;
+static size_t autostart_len;
+
+/* execute command from autostart array */
+static void
+autostart_exec() {
+ const char *const *p;
+ size_t i = 0;
+
+ /* count entries */
+ for (p = autostart; *p; autostart_len++, p++)
+ while (*++p);
+
+ autostart_pids = malloc(autostart_len * sizeof(pid_t));
+ for (p = autostart; *p; i++, p++) {
+ if ((autostart_pids[i] = fork()) == 0) {
+ setsid();
+ execvp(*p, (char *const *)p);
+ fprintf(stderr, "dwm: execvp %s\n", *p);
+ perror(" failed");
+ _exit(EXIT_FAILURE);
+ }
+ /* skip arguments */
+ while (*++p);
+ }
+}
+
/* function implementations */
void
applyrules(Client *c)
@@ -1258,6 +1287,16 @@ propertynotify(XEvent *e)
void
quit(const Arg *arg)
{
+ size_t i;
+
+ /* kill child processes */
+ for (i = 0; i < autostart_len; i++) {
+ if (0 < autostart_pids[i]) {
+ kill(autostart_pids[i], SIGTERM);
+ waitpid(autostart_pids[i], NULL, 0);
+ }
+ }
+
running = 0;
}
@@ -1540,6 +1579,7 @@ void
setup(void)
{
int i;
+ pid_t pid;
XSetWindowAttributes wa;
Atom utf8string;
struct sigaction sa;
@@ -1551,7 +1591,21 @@ setup(void)
sigaction(SIGCHLD, &sa, NULL);
/* clean up any zombies (inherited from .xinitrc etc) immediately */
- while (waitpid(-1, NULL, WNOHANG) > 0);
+ while ((pid = waitpid(-1, NULL, WNOHANG)) > 0) {
+ pid_t *p, *lim;
+
+ if (!(p = autostart_pids))
+ continue;
+ lim = &p[autostart_len];
+
+ for (; p < lim; p++) {
+ if (*p == pid) {
+ *p = -1;
+ break;
+ }
+ }
+
+ }
/* init screen */
screen = DefaultScreen(dpy);
@@ -2152,6 +2206,7 @@ main(int argc, char *argv[])
if (!(dpy = XOpenDisplay(NULL)))
die("dwm: cannot open display");
checkotherwm();
+ autostart_exec();
setup();
#ifdef __OpenBSD__
if (pledge("stdio rpath proc exec", NULL) == -1)
--
2.44.0
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