#include <bus.h> #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <unistd.h> #define t(stmt) if (stmt) goto fail static char arg[4098]; int main(int argc, char *argv[]) { bus_t bus; int i; if (argc < 2) return fprintf(stderr, "USAGE: %s daemon...", *argv), 2; t(bus_open(&bus, getenv("BUS_INIT"), BUS_WRONLY)); for (i = 1; i < argc; i++) { sprintf(arg, "grep '^%s$' < \"${XDG_RUNTIME_DIR}/started-daemons\" >/dev/null", argv[i]); if (WEXITSTATUS(system(arg))) { sprintf(arg, "%ji require %s", (intmax_t)getppid(), argv[i]); t(bus_write(&bus, arg)); } } bus_close(&bus); return 0; fail: perror("require"); bus_close(&bus); return 1; }