spawn: avoid zombie children without handling SIGCHLD

Current handling of SIGCHLD prevents some terminals, for example
sakura and alacritty, to freeze on ctrl+D.

Related to PR #10
This commit is contained in:
Johan Malm 2020-12-29 18:08:35 +00:00
parent f4cbd4ff61
commit 1a38898f34
2 changed files with 43 additions and 25 deletions

View file

@ -14,7 +14,6 @@
static struct wlr_compositor *compositor;
static struct wl_event_source *sighup_source;
static struct wl_event_source *sigchld_source;
static struct wl_event_source *sigint_source;
static struct wl_event_source *sigterm_source;
@ -34,19 +33,6 @@ handle_sighup(int signal, void *data)
return 0;
}
static int
handle_sigchld(int signal, void *data)
{
int status;
pid_t pid;
while ((pid = waitpid(-1, &status, WNOHANG)) > 0);
if (pid < 0) {
wlr_log_errno(WLR_ERROR, "waitpid");
}
return 0;
}
static int
handle_sigterm(int signal, void *data)
{
@ -86,8 +72,6 @@ server_init(struct server *server)
event_loop = wl_display_get_event_loop(server->wl_display);
sighup_source = wl_event_loop_add_signal(
event_loop, SIGHUP, handle_sighup, &server->wl_display);
sigchld_source = wl_event_loop_add_signal(
event_loop, SIGCHLD, handle_sigchld, NULL);
sigint_source = wl_event_loop_add_signal(
event_loop, SIGINT, handle_sigterm, NULL);
sigterm_source = wl_event_loop_add_signal(
@ -263,9 +247,6 @@ server_finish(struct server *server)
if (sighup_source) {
wl_event_source_remove(sighup_source);
}
if (sigchld_source) {
wl_event_source_remove(sigchld_source);
}
wl_display_destroy_clients(server->wl_display);
seat_finish(server);