assert(m);
- assert_se(reset_all_signal_handlers() == 0);
-
assert_se(sigemptyset(&mask) == 0);
assert_se(sigaddset(&mask, SIGCHLD) == 0);
assert_se(sigaddset(&mask, SIGINT) == 0); /* Kernel sends us this on control-alt-del */
NULL)))
return -ENOMEM;
}
+
+ if ((e = getenv("SYSTEMD_SYSVRCND_PATH")))
+ if (!(m->sysvrcnd_path = split_path_and_make_absolute(e)))
+ return -ENOMEM;
+
+ if (strv_isempty(m->sysvrcnd_path)) {
+ strv_free(m->sysvrcnd_path);
+
+ if (!(m->sysvrcnd_path = strv_new(
+ SYSTEM_SYSVRCND_PATH, /* /etc/rcN.d/ */
+ NULL)))
+ return -ENOMEM;
+ }
}
strv_uniq(m->unit_path);
strv_uniq(m->sysvinit_path);
+ strv_uniq(m->sysvrcnd_path);
assert(!strv_isempty(m->unit_path));
if (!(t = strv_join(m->unit_path, "\n\t")))
} else
log_debug("Ignoring SysV init scripts.");
+ if (!strv_isempty(m->sysvrcnd_path)) {
+
+ if (!(t = strv_join(m->sysvrcnd_path, "\n\t")))
+ return -ENOMEM;
+
+ log_debug("Looking for SysV rcN.d links in:\n\t%s", t);
+ free(t);
+ } else
+ log_debug("Ignoring SysV rcN.d links.");
+
return 0;
}
-int manager_new(Manager **_m) {
+int manager_new(ManagerRunningAs running_as, Manager **_m) {
Manager *m;
int r = -ENOMEM;
assert(_m);
+ assert(running_as >= 0);
+ assert(running_as < _MANAGER_RUNNING_AS_MAX);
if (!(m = new0(Manager, 1)))
return -ENOMEM;
+ m->running_as = running_as;
m->signal_watch.fd = m->mount_watch.fd = m->udev_watch.fd = m->epoll_fd = -1;
m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
if ((m->epoll_fd = epoll_create1(EPOLL_CLOEXEC)) < 0)
goto fail;
- if (getpid() == 1)
- m->running_as = MANAGER_INIT;
- else if (getuid() == 0)
- m->running_as = MANAGER_SYSTEM;
- else
- m->running_as = MANAGER_SESSION;
-
- log_debug("systemd running in %s mode.", manager_running_as_to_string(m->running_as));
-
if ((r = manager_find_paths(m)) < 0)
goto fail;
- if (chdir("/") < 0)
- log_warning("Failed to chdir to /: %s", strerror(errno));
-
- /* Become a session leader if we aren't one yet. */
- setsid();
-
if ((r = manager_setup_signals(m)) < 0)
goto fail;
- if ((r = mount_setup()) < 0)
- goto fail;
-
if ((r = manager_setup_cgroup(m)) < 0)
goto fail;
- /* FIXME: this should be called only when the D-Bus bus daemon is running */
- if ((r = bus_init(m)) < 0)
+ /* Try to connect to the busses, if possible. */
+ if ((r = bus_init_system(m)) < 0 ||
+ (r = bus_init_api(m)) < 0)
goto fail;
*_m = m;
manager_shutdown_cgroup(m);
- bus_done(m);
+ bus_done_api(m);
+ bus_done_system(m);
hashmap_free(m->units);
hashmap_free(m->jobs);
strv_free(m->unit_path);
strv_free(m->sysvinit_path);
+ strv_free(m->sysvrcnd_path);
free(m->cgroup_controller);
free(m->cgroup_hierarchy);
static int manager_dispatch_sigchld(Manager *m) {
assert(m);
- log_debug("dispatching SIGCHLD");
-
for (;;) {
siginfo_t si;
Unit *u;
if (!(u = hashmap_remove(m->watch_pids, UINT32_TO_PTR(si.si_pid))))
continue;
+ log_debug("child %llu belongs to %s", (long long unsigned) si.si_pid, unit_id(u));
+
UNIT_VTABLE(u)->sigchld_event(u, si.si_pid, si.si_code, si.si_status);
}
switch (sfsi.ssi_signo) {
- case SIGCHLD:
+ case SIGCHLD: {
+ char *name = NULL;
+
+ get_process_name(sfsi.ssi_pid, &name);
+ log_debug("Got SIGCHLD for process %llu (%s)", (unsigned long long) sfsi.ssi_pid, strna(name));
+ free(name);
+
sigchld = true;
break;
+ }
case SIGINT:
case SIGTERM:
break;
+ case SIGUSR1:
+
+ printf("→ By units:\n");
+ manager_dump_units(m, stdout, "\t");
+
+ printf("→ By jobs:\n");
+ manager_dump_jobs(m, stdout, "\t");
+
+ break;
+
default:
log_info("Got unhandled signal <%s>.", strsignal(sfsi.ssi_signo));
}