X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=manager.c;h=6c73acf403fc0abe43be94abea08ec05aaa3e495;hp=234fb93c1e49df31150343b990da138569b5c1ef;hb=6c1a047834c524598ee87c2bc289a1cd472ba53e;hpb=f278026d21e2ded46f7f91152d60842525e74956 diff --git a/manager.c b/manager.c index 234fb93c1..6c73acf40 100644 --- a/manager.c +++ b/manager.c @@ -49,8 +49,6 @@ static int manager_setup_signals(Manager *m) { 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 */ @@ -258,15 +256,18 @@ static int manager_find_paths(Manager *m) { 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 */ @@ -288,35 +289,15 @@ int manager_new(Manager **_m) { 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; - dbus_connection_set_change_sigpipe(FALSE); - /* Try to connect to the busses, if possible. */ if ((r = bus_init_system(m)) < 0 || (r = bus_init_api(m)) < 0) @@ -1434,6 +1415,8 @@ static int manager_dispatch_sigchld(Manager *m) { 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); } @@ -1502,6 +1485,16 @@ static int manager_process_signal_fd(Manager *m, bool *quit) { 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)); }