--- dwm.c +++ dwm.c @@ -1671,9 +1710,25 @@ showhide(Client *c) void sigchld(int unused) { + pid_t pid; + if (signal(SIGCHLD, sigchld) == SIG_ERR) die("can't install SIGCHLD handler:"); - while (0 < waitpid(-1, NULL, WNOHANG)); + while (0 < (pid = waitpid(-1, NULL, WNOHANG))) { + pid_t *p, *lim; + + if (!(p = autostart_pids)) + continue; + lim = &p[autostart_len]; + + for (; p < lim; p++) { + if (*p == pid) { + *p = -1; + break; + } + } + + } } void