systemctl: for switch-root check, if we switch to a systemd init

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

diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index f661cc8b8d2aa1720b70bf6b349348b93b9b8239..33ab09ea523c0d0ded9723b2293ccfe169e486ff 100644 (file)
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -480,7 +480,7 @@ static int session_start_scope(Session *s) {
         if (!s->scope) {
                 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
                 _cleanup_free_ char *description = NULL;
-                char *scope, *job;
+                char *scope, *job = NULL;
 
                 description = strjoin("Session ", s->id, " of user ", s->user->name, NULL);
                 if (!description)
@@ -490,7 +490,7 @@ static int session_start_scope(Session *s) {
                 if (!scope)
                         return log_oom();
 
-                r = manager_start_scope(s->manager, scope, s->leader, s->user->slice, description, "systemd-logind.service", "systemd-user-session.service", &error, &job);
+                r = manager_start_scope(s->manager, scope, s->leader, s->user->slice, description, "systemd-logind.service", "systemd-user-sessions.service", &error, &job);
                 if (r < 0) {
                         log_error("Failed to start session scope %s: %s %s",
                                   scope, bus_error_message(&error, r), error.name);
@@ -565,9 +565,9 @@ int session_start(Session *s) {
         return 0;
 }
 
-static int session_stop_scope(Session *s) {
+static int session_stop_scope(Session *s, bool force) {
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        char *job;
+        char *job = NULL;
         int r;
 
         assert(s);
@@ -575,7 +575,7 @@ static int session_stop_scope(Session *s) {
         if (!s->scope)
                 return 0;
 
-        if (manager_shall_kill(s->manager, s->user->name)) {
+        if (force || manager_shall_kill(s->manager, s->user->name)) {
                 r = manager_stop_unit(s->manager, s->scope, &error, &job);
                 if (r < 0) {
                         log_error("Failed to stop session scope: %s", bus_error_message(&error, r));
@@ -595,7 +595,7 @@ static int session_stop_scope(Session *s) {
         return 0;
 }
 
-int session_stop(Session *s) {
+int session_stop(Session *s, bool force) {
         int r;
 
         assert(s);
@@ -609,7 +609,7 @@ int session_stop(Session *s) {
         session_remove_fifo(s);
 
         /* Kill cgroup */
-        r = session_stop_scope(s);
+        r = session_stop_scope(s, force);
 
         s->stopping = true;
 
@@ -672,7 +672,7 @@ static int release_timeout_callback(sd_event_source *es, uint64_t usec, void *us
         assert(es);
         assert(s);
 
-        session_stop(s);
+        session_stop(s, false);
         return 0;
 }
 
@@ -683,7 +683,7 @@ void session_release(Session *s) {
                 return;
 
         if (!s->timer_event_source)
-                sd_event_add_monotonic(s->manager->event, now(CLOCK_MONOTONIC) + RELEASE_USEC, 0, release_timeout_callback, s, &s->timer_event_source);
+                sd_event_add_monotonic(s->manager->event, &s->timer_event_source, now(CLOCK_MONOTONIC) + RELEASE_USEC, 0, release_timeout_callback, s);
 }
 
 bool session_is_active(Session *s) {
@@ -812,7 +812,7 @@ static int session_dispatch_fifo(sd_event_source *es, int fd, uint32_t revents,
         /* EOF on the FIFO means the session died abnormally. */
 
         session_remove_fifo(s);
-        session_stop(s);
+        session_stop(s, false);
 
         return 1;
 }
@@ -844,7 +844,7 @@ int session_create_fifo(Session *s) {
         }
 
         if (!s->fifo_event_source) {
-                r = sd_event_add_io(s->manager->event, s->fifo_fd, 0, session_dispatch_fifo, s, &s->fifo_event_source);
+                r = sd_event_add_io(s->manager->event, &s->fifo_event_source, s->fifo_fd, 0, session_dispatch_fifo, s);
                 if (r < 0)
                         return r;
 
@@ -915,10 +915,11 @@ void session_add_to_gc_queue(Session *s) {
 SessionState session_get_state(Session *s) {
         assert(s);
 
+        /* always check closing first */
         if (s->stopping || s->timer_event_source)
                 return SESSION_CLOSING;
 
-        if (s->scope_job)
+        if (s->scope_job || s->fifo_fd < 0)
                 return SESSION_OPENING;
 
         if (session_is_active(s))
@@ -985,7 +986,7 @@ void session_mute_vt(Session *s) {
         sigaddset(&mask, SIGUSR1);
         sigprocmask(SIG_BLOCK, &mask, NULL);
 
-        r = sd_event_add_signal(s->manager->event, SIGUSR1, session_vt_fn, s, &s->vt_source);
+        r = sd_event_add_signal(s->manager->event, &s->vt_source, SIGUSR1, session_vt_fn, s);
         if (r < 0)
                 goto error;
 
@@ -1007,7 +1008,7 @@ error:
 }
 
 void session_restore_vt(Session *s) {
-        _cleanup_free_ char *utf8;
+        _cleanup_free_ char *utf8 = NULL;
         int vt, kb = K_XLATE;
         struct vt_mode mode = { 0 };
 
@@ -1114,10 +1115,10 @@ static const char* const session_state_table[_SESSION_STATE_MAX] = {
 DEFINE_STRING_TABLE_LOOKUP(session_state, SessionState);
 
 static const char* const session_type_table[_SESSION_TYPE_MAX] = {
+        [SESSION_UNSPECIFIED] = "unspecified",
         [SESSION_TTY] = "tty",
         [SESSION_X11] = "x11",
         [SESSION_WAYLAND] = "wayland",
-        [SESSION_UNSPECIFIED] = "unspecified",
 };
 
 DEFINE_STRING_TABLE_LOOKUP(session_type, SessionType);