Remove support for auto-spawning VTs

[elogind.git] / src / login / logind.c

diff --git a/src/login/logind.c b/src/login/logind.c
index ea7c6e74b0e275f19a4f5850c2466bac04ab2b74..c3e7acbec1f3a67d27525c89a6097f6fb8f3df37 100644 (file)
--- a/src/login/logind.c
+++ b/src/login/logind.c
@@ -30,11 +30,14 @@
 #include "conf-parser.h"
 #include "bus-util.h"
 #include "bus-error.h"
-#include "logind.h"
 #include "udev-util.h"
 #include "formats-util.h"
+#include "signal-util.h"
+#include "logind.h"
+
+static void manager_free(Manager *m);
 
-Manager *manager_new(void) {
+static Manager *manager_new(void) {
         Manager *m;
         int r;
 
@@ -43,10 +46,7 @@ Manager *manager_new(void) {
                 return NULL;
 
         m->console_active_fd = -1;
-        m->reserve_vt_fd = -1;
 
-        m->n_autovts = 6;
-        m->reserve_vt = 6;
         m->remove_ipc = true;
         m->inhibit_delay_max = 5 * USEC_PER_SEC;
         m->handle_power_key = HANDLE_POWEROFF;
@@ -100,7 +100,7 @@ fail:
         return NULL;
 }
 
-void manager_free(Manager *m) {
+static void manager_free(Manager *m) {
         Session *session;
         User *u;
         Device *d;
@@ -142,6 +142,9 @@ void manager_free(Manager *m) {
 
         sd_event_source_unref(m->idle_action_event_source);
         sd_event_source_unref(m->inhibit_timeout_source);
+        sd_event_source_unref(m->scheduled_shutdown_timeout_source);
+        sd_event_source_unref(m->nologin_timeout_source);
+        sd_event_source_unref(m->wall_message_timeout_source);
 
         sd_event_source_unref(m->console_active_event_source);
         sd_event_source_unref(m->udev_seat_event_source);
@@ -164,16 +167,20 @@ void manager_free(Manager *m) {
         if (m->udev)
                 udev_unref(m->udev);
 
+        if (m->unlink_nologin)
+                (void) unlink("/run/nologin");
+
         bus_verify_polkit_async_registry_free(m->polkit_registry);
 
         sd_bus_unref(m->bus);
         sd_event_unref(m->event);
 
-        safe_close(m->reserve_vt_fd);
-
         strv_free(m->kill_only_users);
         strv_free(m->kill_exclude_users);
 
+        free(m->scheduled_shutdown_type);
+        free(m->scheduled_shutdown_tty);
+        free(m->wall_message);
         free(m->action_job);
         free(m);
 }
@@ -552,29 +559,6 @@ static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents
         return 0;
 }
 
-static int manager_reserve_vt(Manager *m) {
-        _cleanup_free_ char *p = NULL;
-
-        assert(m);
-
-        if (m->reserve_vt <= 0)
-                return 0;
-
-        if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0)
-                return log_oom();
-
-        m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK);
-        if (m->reserve_vt_fd < 0) {
-
-                /* Don't complain on VT-less systems */
-                if (errno != ENOENT)
-                        log_warning_errno(errno, "Failed to pin reserved VT: %m");
-                return -errno;
-        }
-
-        return 0;
-}
-
 static int manager_connect_bus(Manager *m) {
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
         int r;
@@ -775,13 +759,8 @@ static int manager_connect_console(Manager *m) {
                 return -EINVAL;
         }
 
-        r = ignore_signals(SIGRTMIN + 1, -1);
-        if (r < 0)
-                return log_error_errno(r, "Cannot ignore SIGRTMIN + 1: %m");
-
-        r = sigprocmask_many(SIG_BLOCK, SIGRTMIN, -1);
-        if (r < 0)
-                return log_error_errno(r, "Cannot block SIGRTMIN: %m");
+        assert_se(ignore_signals(SIGRTMIN + 1, -1) >= 0);
+        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN, -1) >= 0);
 
         r = sd_event_add_signal(m->event, NULL, SIGRTMIN, manager_vt_switch, m);
         if (r < 0)
@@ -867,30 +846,10 @@ static int manager_connect_udev(Manager *m) {
                         return r;
         }
 
-        /* Don't bother watching VCSA devices, if nobody cares */
-        if (m->n_autovts > 0 && m->console_active_fd >= 0) {
-
-                m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
-                if (!m->udev_vcsa_monitor)
-                        return -ENOMEM;
-
-                r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL);
-                if (r < 0)
-                        return r;
-
-                r = udev_monitor_enable_receiving(m->udev_vcsa_monitor);
-                if (r < 0)
-                        return r;
-
-                r = sd_event_add_io(m->event, &m->udev_vcsa_event_source, udev_monitor_get_fd(m->udev_vcsa_monitor), EPOLLIN, manager_dispatch_vcsa_udev, m);
-                if (r < 0)
-                        return r;
-        }
-
         return 0;
 }
 
-void manager_gc(Manager *m, bool drop_not_started) {
+static void manager_gc(Manager *m, bool drop_not_started) {
         Seat *seat;
         Session *session;
         User *user;
@@ -1001,7 +960,7 @@ static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *us
         return 0;
 }
 
-int manager_startup(Manager *m) {
+static int manager_startup(Manager *m) {
         int r;
         Seat *seat;
         Session *session;
@@ -1064,9 +1023,6 @@ int manager_startup(Manager *m) {
         /* Remove stale objects before we start them */
         manager_gc(m, false);
 
-        /* Reserve the special reserved VT */
-        manager_reserve_vt(m);
-
         /* And start everything */
         HASHMAP_FOREACH(seat, m->seats, i)
                 seat_start(seat);
@@ -1088,7 +1044,7 @@ int manager_startup(Manager *m) {
         return 0;
 }
 
-int manager_run(Manager *m) {
+static int manager_run(Manager *m) {
         int r;
 
         assert(m);
@@ -1102,6 +1058,12 @@ int manager_run(Manager *m) {
 
                 manager_gc(m, true);
 
+                r = manager_dispatch_delayed(m, false);
+                if (r < 0)
+                        return r;
+                if (r > 0)
+                        continue;
+
                 r = sd_event_run(m->event, (uint64_t) -1);
                 if (r < 0)
                         return r;
@@ -1140,6 +1102,7 @@ int main(int argc, char *argv[]) {
          * existence of /run/systemd/seats/ to determine whether
          * logind is available, so please always make sure this check
          * stays in. */
+        mkdir_label("/run/systemd", 0755);
         mkdir_label("/run/systemd/seats", 0755);
         mkdir_label("/run/systemd/users", 0755);
         mkdir_label("/run/systemd/sessions", 0755);
@@ -1158,7 +1121,7 @@ int main(int argc, char *argv[]) {
                 goto finish;
         }
 
-        log_debug("systemd-logind running as pid "PID_FMT, getpid());
+        log_debug("logind running as pid "PID_FMT, getpid());
 
         sd_notify(false,
                   "READY=1\n"
@@ -1166,7 +1129,7 @@ int main(int argc, char *argv[]) {
 
         r = manager_run(m);
 
-        log_debug("systemd-logind stopped as pid "PID_FMT, getpid());
+        log_debug("logind stopped as pid "PID_FMT, getpid());
 
 finish:
         sd_notify(false,