1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
From 44044d45a32d4a0091422f4c803a4ddd98b7f7a9 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
https://dwm.suckless.org/patches/cool_autostart/
---
config.def.h | 7 +++++++
dwl.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++-----
2 files changed, 61 insertions(+), 5 deletions(-)
diff --git a/config.def.h b/config.def.h
index db0babc..2b6a5ad 100644
--- a/config.def.h
+++ b/config.def.h
@@ -19,6 +19,13 @@ static const float fullscreen_bg[] = {0.1, 0.1, 0.1, 1.0}; /* You can al
/* logging */
static int log_level = WLR_ERROR;
+/* Autostart */
+static const char *const autostart[] = {
+ "wbg", "/path/to/your/image", NULL,
+ NULL /* terminate */
+};
+
+
static const Rule rules[] = {
/* app_id title tags mask isfloating monitor */
/* examples:
diff --git a/dwl.c b/dwl.c
index 6a96179..d387c06 100644
--- a/dwl.c
+++ b/dwl.c
@@ -233,6 +233,7 @@ 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);
@@ -396,6 +397,9 @@ static xcb_atom_t netatom[NetLast];
/* 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)
@@ -529,6 +533,27 @@ 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)
{
@@ -624,11 +649,21 @@ checkidleinhibitor(struct wlr_surface *exclude)
void
cleanup(void)
{
+ size_t i;
#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);
@@ -1306,18 +1341,31 @@ void
handlesig(int signo)
{
if (signo == SIGCHLD) {
-#ifdef XWAYLAND
siginfo_t in;
/* wlroots expects to reap the XWayland process itself, so we
* use WNOWAIT to keep the child waitable until we know it's not
* XWayland.
*/
while (!waitid(P_ALL, 0, &in, WEXITED|WNOHANG|WNOWAIT) && in.si_pid
- && (!xwayland || in.si_pid != xwayland->server->pid))
- waitpid(in.si_pid, NULL, 0);
-#else
- while (waitpid(-1, NULL, WNOHANG) > 0);
+#ifdef XWAYLAND
+ && (!xwayland || in.si_pid != xwayland->server->pid)
#endif
+ ) {
+ pid_t *p, *lim;
+ waitpid(in.si_pid, NULL, 0);
+ if (in.si_pid == child_pid)
+ child_pid = -1;
+ if (!(p = autostart_pids))
+ continue;
+ lim = &p[autostart_len];
+
+ for (; p < lim; p++) {
+ if (*p == in.si_pid) {
+ *p = -1;
+ break;
+ }
+ }
+ }
} else if (signo == SIGINT || signo == SIGTERM) {
quit(NULL);
}
@@ -1973,6 +2021,7 @@ 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)
|
