rootston: Reap child processes
Just install a SIG_IGN handler, which is defined by POSIX.1-2001 to
reap the child.
To test, spawn any process (e.g. GUI application) with a keybinding,
close that process, verify it doesn't show up as a <defunct> zombie in
ps(1) output.
#define _POSIX_C_SOURCE 200112L
#include <assert.h>
+#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include <wayland-server.h>
struct roots_server server = { 0 };
int main(int argc, char **argv) {
+ if (signal(SIGCHLD, SIG_IGN) == SIG_ERR) {
+ wlr_log_errno(WLR_ERROR, "Unable to install SIGCHLD handler");
+ return 1;
+ }
+
wlr_log_init(WLR_DEBUG, NULL);
server.config = roots_config_create_from_args(argc, argv);
server.wl_display = wl_display_create();
