diff options
Diffstat (limited to 'wm/dwl/dwl.c')
| -rw-r--r-- | wm/dwl/dwl.c | 101 |
1 files changed, 73 insertions, 28 deletions
diff --git a/wm/dwl/dwl.c b/wm/dwl/dwl.c index 3941fb9..349f43d 100644 --- a/wm/dwl/dwl.c +++ b/wm/dwl/dwl.c @@ -231,6 +231,7 @@ 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); @@ -310,6 +311,7 @@ static void setmon(Client *c, Monitor *m, unsigned int newtags); static void setpsel(struct wl_listener *listener, void *data); static void setsel(struct wl_listener *listener, void *data); static void setup(void); +static void sigchld(int unused); static void spawn(const Arg *arg); static void startdrag(struct wl_listener *listener, void *data); static void tag(const Arg *arg); @@ -413,7 +415,6 @@ static void configurex11(struct wl_listener *listener, void *data); static void createnotifyx11(struct wl_listener *listener, void *data); static Atom getatom(xcb_connection_t *xc, const char *name); static void sethints(struct wl_listener *listener, void *data); -static void sigchld(int unused); static void xwaylandready(struct wl_listener *listener, void *data); static struct wl_listener new_xwayland_surface = {.notify = createnotifyx11}; static struct wl_listener xwayland_ready = {.notify = xwaylandready}; @@ -430,6 +431,9 @@ static Atom netatom[NetLast]; /* compile-time check if all tags fit into an unsigned int bit array. */ struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; }; +static pid_t *autostart_pids; +static size_t autostart_len; + /* function implementations */ void applybounds(Client *c, struct wlr_box *bbox) @@ -571,6 +575,27 @@ 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) { /* This event is forwarded by the cursor when a pointer emits an axis event, @@ -669,6 +694,16 @@ checkidleinhibitor(struct wlr_surface *exclude) void cleanup(void) { + 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); + } + } + #ifdef XWAYLAND wlr_xwayland_destroy(xwayland); #endif @@ -2058,6 +2093,7 @@ 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) @@ -2240,15 +2276,7 @@ void setup(void) { struct sigaction sa_term = {.sa_flags = SA_RESTART, .sa_handler = quitsignal}; - struct sigaction sa_sigchld = { -#ifdef XWAYLAND - .sa_flags = SA_RESTART, - .sa_handler = sigchld, -#else - .sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART, - .sa_handler = SIG_IGN, -#endif - }; + struct sigaction sa_sigchld = {.sa_flags = SA_RESTART, .sa_handler = sigchld}; sigemptyset(&sa_term.sa_mask); sigemptyset(&sa_sigchld.sa_mask); /* The Wayland display is managed by libwayland. It handles accepting @@ -2433,6 +2461,41 @@ setup(void) } void +sigchld(int unused) +{ + siginfo_t in; + /* We should be able to remove this function in favor of a simple + * struct sigaction sa = {.sa_handler = SIG_IGN}; + * sigaction(SIGCHLD, &sa, NULL); + * but the Xwayland implementation in wlroots currently prevents us from + * setting our own disposition for SIGCHLD. + */ + /* WNOWAIT leaves the child in a waitable state, in case this is the + * XWayland process + */ + while (!waitid(P_ALL, 0, &in, WEXITED|WNOHANG|WNOWAIT) && in.si_pid +#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; + } + } + } +} + +void spawn(const Arg *arg) { if (fork() == 0) { @@ -2892,24 +2955,6 @@ sethints(struct wl_listener *listener, void *data) } void -sigchld(int unused) -{ - siginfo_t in; - /* We should be able to remove this function in favor of a simple - * struct sigaction sa = {.sa_handler = SIG_IGN}; - * sigaction(SIGCHLD, &sa, NULL); - * but the Xwayland implementation in wlroots currently prevents us from - * setting our own disposition for SIGCHLD. - */ - /* WNOWAIT leaves the child in a waitable state, in case this is the - * XWayland process - */ - 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); -} - -void xwaylandready(struct wl_listener *listener, void *data) { struct wlr_xcursor *xcursor; |