| dwm-cool_autostart-6.5.diff - sites - public wiki contents of suckless.org | |
| git clone git://git.suckless.org/sites | |
| Log | |
| Files | |
| Refs | |
| --- | |
| dwm-cool_autostart-6.5.diff (2985B) | |
| --- | |
| 1 diff --git a/config.def.h b/config.def.h | |
| 2 index 9efa774..aba210d 100644 | |
| 3 --- a/config.def.h | |
| 4 +++ b/config.def.h | |
| 5 @@ -18,6 +18,11 @@ static const char *colors[][3] = { | |
| 6 [SchemeSel] = { col_gray4, col_cyan, col_cyan }, | |
| 7 }; | |
| 8 | |
| 9 +static const char *const autostart[] = { | |
| 10 + "st", NULL, | |
| 11 + NULL /* terminate */ | |
| 12 +}; | |
| 13 + | |
| 14 /* tagging */ | |
| 15 static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "… | |
| 16 | |
| 17 diff --git a/dwm.c b/dwm.c | |
| 18 index f1d86b2..3ce99fc 100644 | |
| 19 --- a/dwm.c | |
| 20 +++ b/dwm.c | |
| 21 @@ -233,6 +233,7 @@ static int xerror(Display *dpy, XErrorEvent *ee); | |
| 22 static int xerrordummy(Display *dpy, XErrorEvent *ee); | |
| 23 static int xerrorstart(Display *dpy, XErrorEvent *ee); | |
| 24 static void zoom(const Arg *arg); | |
| 25 +static void autostart_exec(void); | |
| 26 | |
| 27 /* variables */ | |
| 28 static const char broken[] = "broken"; | |
| 29 @@ -274,6 +275,36 @@ static Window root, wmcheckwin; | |
| 30 /* compile-time check if all tags fit into an unsigned int bit array. */ | |
| 31 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; }; | |
| 32 | |
| 33 +/* dwm will keep pid's of processes from autostart array and kill them … | |
| 34 +static pid_t *autostart_pids; | |
| 35 +static size_t autostart_len; | |
| 36 + | |
| 37 +/* execute command from autostart array */ | |
| 38 +static void | |
| 39 +autostart_exec() { | |
| 40 + const char *const *p; | |
| 41 + size_t i = 0; | |
| 42 + | |
| 43 + /* count entries */ | |
| 44 + for (p = autostart; *p; autostart_len++, p++) | |
| 45 + while (*++p); | |
| 46 + | |
| 47 + autostart_pids = malloc(autostart_len * sizeof(pid_t)); | |
| 48 + for (p = autostart; *p; i++, p++) { | |
| 49 + if ((autostart_pids[i] = fork()) == 0) { | |
| 50 + setsid(); | |
| 51 + execvp(*p, (char *const *)p); | |
| 52 + fprintf(stderr, "dwm: execvp %s\n", *p); | |
| 53 + perror(" failed"); | |
| 54 + _exit(EXIT_FAILURE); | |
| 55 + } | |
| 56 + /* skip arguments */ | |
| 57 + while (*++p); | |
| 58 + } | |
| 59 +} | |
| 60 + | |
| 61 + | |
| 62 + | |
| 63 /* function implementations */ | |
| 64 void | |
| 65 applyrules(Client *c) | |
| 66 @@ -1258,6 +1289,16 @@ propertynotify(XEvent *e) | |
| 67 void | |
| 68 quit(const Arg *arg) | |
| 69 { | |
| 70 + size_t i; | |
| 71 + | |
| 72 + /* kill child processes */ | |
| 73 + for (i = 0; i < autostart_len; i++) { | |
| 74 + if (0 < autostart_pids[i]) { | |
| 75 + kill(autostart_pids[i], SIGTERM); | |
| 76 + waitpid(autostart_pids[i], NULL, 0); | |
| 77 + } | |
| 78 + } | |
| 79 + | |
| 80 running = 0; | |
| 81 } | |
| 82 | |
| 83 @@ -1543,6 +1584,7 @@ setup(void) | |
| 84 XSetWindowAttributes wa; | |
| 85 Atom utf8string; | |
| 86 struct sigaction sa; | |
| 87 + pid_t pid; | |
| 88 | |
| 89 /* do not transform children into zombies when they terminate */ | |
| 90 sigemptyset(&sa.sa_mask); | |
| 91 @@ -1551,7 +1593,21 @@ setup(void) | |
| 92 sigaction(SIGCHLD, &sa, NULL); | |
| 93 | |
| 94 /* clean up any zombies (inherited from .xinitrc etc) immediate… | |
| 95 - while (waitpid(-1, NULL, WNOHANG) > 0); | |
| 96 + while (0 < (pid = waitpid(-1, NULL, WNOHANG))) { | |
| 97 + pid_t *p, *lim; | |
| 98 + | |
| 99 + if (!(p = autostart_pids)) | |
| 100 + continue; | |
| 101 + lim = &p[autostart_len]; | |
| 102 + | |
| 103 + for (; p < lim; p++) { | |
| 104 + if (*p == pid) { | |
| 105 + *p = -1; | |
| 106 + break; | |
| 107 + } | |
| 108 + } | |
| 109 + | |
| 110 + } | |
| 111 | |
| 112 /* init screen */ | |
| 113 screen = DefaultScreen(dpy); | |
| 114 @@ -2152,6 +2208,7 @@ main(int argc, char *argv[]) | |
| 115 if (!(dpy = XOpenDisplay(NULL))) | |
| 116 die("dwm: cannot open display"); | |
| 117 checkotherwm(); | |
| 118 + autostart_exec(); | |
| 119 setup(); | |
| 120 #ifdef __OpenBSD__ | |
| 121 if (pledge("stdio rpath proc exec", NULL) == -1) |