-#ifdef LISP_FEATURE_SB_THREAD
-
-/* this is being pared down as time goes on; eventually we want to get
- * to the point that we have no parent loop at all and the parent
- * thread runs Lisp just like any other */
-
-static void /* noreturn */ parent_loop(void)
-{
- struct sigaction sa;
- sigset_t sigset;
- int status;
- pid_t pid=0;
-
- sigemptyset(&sigset);
- sa.sa_handler=SIG_IGN;
- sa.sa_mask=sigset;
- sa.sa_flags=0;
- sigaction(SIGINT, &sa, 0); /* ^c should go to the lisp thread instead */
- sigaction(SIG_THREAD_EXIT, &sa, 0);
- sigaction(SIGCHLD, &sa, 0);
-
- while(!all_threads) {
- sched_yield();
- }
- while(all_threads && (pid=waitpid(-1,&status,__WALL))) {
- struct thread *th;
- if(pid==-1) {
- if(errno == EINTR) continue;
- fprintf(stderr,"waitpid: %s\n",strerror(errno));
- }
- else if(WIFEXITED(status) || WIFSIGNALED(status)) {
- th=find_thread_by_pid(pid);
- if(!th) continue;
- destroy_thread(th);
- if(!all_threads) break;
- }
- }
- exit(WEXITSTATUS(status));
-}
-
-#endif