static bool check_idle(void *userdata) {
Manager *m = userdata;
manager_gc(m, true);
return hashmap_isempty(m->machines);
}
int manager_startup(Manager *m) {
int r;
Machine *machine;
Iterator i;
assert(m);
assert(m->epoll_fd <= 0);
m->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
if (m->epoll_fd < 0)
return -errno;
/* Connect to the bus */
r = manager_connect_bus(m);
if (r < 0)
return r;
/* Deserialize state */
manager_enumerate_machines(m);
/* Remove stale objects before we start them */
manager_gc(m, false);
/* And start everything */
HASHMAP_FOREACH(machine, m->machines, i)
machine_start(machine, NULL);
return 0;
}
int manager_run(Manager *m) {
assert(m);
for (;;) {
struct epoll_event event;
int n;
manager_gc(m, true);
if (dbus_connection_dispatch(m->bus) != DBUS_DISPATCH_COMPLETE)
continue;
manager_gc(m, true);
n = epoll_wait(m->epoll_fd, &event, 1, -1);
if (n < 0) {
if (errno == EINTR || errno == EAGAIN)
continue;
log_error("epoll() failed: %m");
return -errno;
}
if (n == 0)
continue;
switch (event.data.u32) {
case FD_BUS:
bus_loop_dispatch(m->bus_fd);
break;
default:
assert_not_reached("Unknown fd");
}
}
return 0;
}
int manager_run(Manager *m) {
int r;
assert(m);
for (;;) {
r = sd_event_get_state(m->event);
if (r < 0)
return r;
if (r == SD_EVENT_FINISHED)
return 0;
manager_gc(m, true);
r = sd_event_run(m->event, (uint64_t) -1);
if (r < 0)
return r;
}
return 0;
}
int manager_startup(Manager *m) {
Machine *machine;
Iterator i;
int r;
assert(m);
/* Connect to the bus */
r = manager_connect_bus(m);
if (r < 0)
return r;
/* Deserialize state */
manager_enumerate_machines(m);
/* Remove stale objects before we start them */
manager_gc(m, false);
/* And start everything */
HASHMAP_FOREACH(machine, m->machines, i)
machine_start(machine, NULL, NULL);
return 0;
}
