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From 3b0b0249d900121a90528616f4d11f733c7a5ca2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Hern=C3=A1ndez=20Hern=C3=A1ndez?=
<leohdz172@proton.me>
Date: Sat, 8 Jul 2023 17:11:36 -0600
Subject: [PATCH] port autostart patch from dwm
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
https://dwm.suckless.org/patches/cool_autostart/
Signed-off-by: Leonardo Hernández Hernández <leohdz172@proton.me>
---
config.def.h | 7 +++++++
dwl.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++---
2 files changed, 62 insertions(+), 3 deletions(-)
diff --git a/config.def.h b/config.def.h
index 22d2171d..8dc6502c 100644
--- a/config.def.h
+++ b/config.def.h
@@ -20,6 +20,13 @@ static const float fullscreen_bg[] = {0.1f, 0.1f, 0.1f, 1.0f}; /* You ca
/* logging */
static int log_level = WLR_ERROR;
+/* Autostart */
+static const char *const autostart[] = {
+ "wbg", "/path/to/your/image", NULL,
+ NULL /* terminate */
+};
+
+
/* NOTE: ALWAYS keep a rule declared even if you don't use rules (e.g leave at least one example) */
static const Rule rules[] = {
/* app_id title tags mask isfloating monitor */
diff --git a/dwl.c b/dwl.c
index ad21e1ba..3118e07f 100644
--- a/dwl.c
+++ b/dwl.c
@@ -246,6 +246,7 @@ static void arrange(Monitor *m);
static void arrangelayer(Monitor *m, struct wl_list *list,
struct wlr_box *usable_area, int exclusive);
static void arrangelayers(Monitor *m);
+static void autostartexec(void);
static void axisnotify(struct wl_listener *listener, void *data);
static void buttonpress(struct wl_listener *listener, void *data);
static void chvt(const Arg *arg);
@@ -455,6 +456,9 @@ static struct wlr_xwayland *xwayland;
/* attempt to encapsulate suck into one file */
#include "client.h"
+static pid_t *autostart_pids;
+static size_t autostart_len;
+
/* function implementations */
void
applybounds(Client *c, struct wlr_box *bbox)
@@ -599,6 +603,27 @@ arrangelayers(Monitor *m)
}
}
+void
+autostartexec(void) {
+ const char *const *p;
+ size_t i = 0;
+
+ /* count entries */
+ for (p = autostart; *p; autostart_len++, p++)
+ while (*++p);
+
+ autostart_pids = calloc(autostart_len, sizeof(pid_t));
+ for (p = autostart; *p; i++, p++) {
+ if ((autostart_pids[i] = fork()) == 0) {
+ setsid();
+ execvp(*p, (char *const *)p);
+ die("dwl: execvp %s:", *p);
+ }
+ /* skip arguments */
+ while (*++p);
+ }
+}
+
void
axisnotify(struct wl_listener *listener, void *data)
{
@@ -695,12 +720,23 @@ checkidleinhibitor(struct wlr_surface *exclude)
void
cleanup(void)
{
+ size_t i;
+
cleanuplisteners();
#ifdef XWAYLAND
wlr_xwayland_destroy(xwayland);
xwayland = NULL;
#endif
wl_display_destroy_clients(dpy);
+
+ /* 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);
+ }
+ }
+
if (child_pid > 0) {
kill(-child_pid, SIGTERM);
waitpid(child_pid, NULL, 0);
@@ -1551,10 +1587,25 @@ gpureset(struct wl_listener *listener, void *data)
void
handlesig(int signo)
{
- if (signo == SIGCHLD)
- while (waitpid(-1, NULL, WNOHANG) > 0);
- else if (signo == SIGINT || signo == SIGTERM)
+ if (signo == SIGCHLD) {
+ pid_t pid, *p, *lim;
+ while ((pid = waitpid(-1, NULL, WNOHANG)) > 0) {
+ if (pid == child_pid)
+ child_pid = -1;
+ if (!(p = autostart_pids))
+ continue;
+ lim = &p[autostart_len];
+
+ for (; p < lim; p++) {
+ if (*p == pid) {
+ *p = -1;
+ break;
+ }
+ }
+ }
+ } else if (signo == SIGINT || signo == SIGTERM) {
quit(NULL);
+ }
}
void
@@ -2241,6 +2292,7 @@ run(char *startup_cmd)
die("startup: backend_start");
/* Now that the socket exists and the backend is started, run the startup command */
+ autostartexec();
if (startup_cmd) {
int piperw[2];
if (pipe(piperw) < 0)
--
2.48.0
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