Prep v221: Update and clean up build system to sync with upstream

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

diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index a9cf529e12a049899e46a10f32f99a584b3bad4a..71bff96728fd1b733b1ccd654e729103549b74d2 100644 (file)
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -320,7 +320,7 @@ static int user_mkdir_runtime_path(User *u) {
         } else
                 p = u->runtime_path;
 
-        if (path_is_mount_point(p, 0) <= 0) {
+        if (path_is_mount_point(p, false) <= 0) {
                 _cleanup_free_ char *t = NULL;
 
                 (void) mkdir(p, 0700);
@@ -738,73 +738,54 @@ int user_kill(User *u, int signo) {
         return manager_kill_unit(u->manager, u->slice, KILL_ALL, signo, NULL);
 }
 
-static bool elect_display_filter(Session *s) {
-        /* Return true if the session is a candidate for the user’s ‘primary
-         * session’ or ‘display’. */
-        assert(s);
-
-        return (s->class == SESSION_USER && !s->stopping);
-}
-
-static int elect_display_compare(Session *s1, Session *s2) {
-        /* Indexed by SessionType. Lower numbers mean more preferred. */
-        const int type_ranks[_SESSION_TYPE_MAX] = {
-                [SESSION_UNSPECIFIED] = 0,
-                [SESSION_TTY] = -2,
-                [SESSION_X11] = -3,
-                [SESSION_WAYLAND] = -3,
-                [SESSION_MIR] = -3,
-                [SESSION_WEB] = -1,
-        };
-
-        /* Calculate the partial order relationship between s1 and s2,
-         * returning < 0 if s1 is preferred as the user’s ‘primary session’,
-         * 0 if s1 and s2 are equally preferred or incomparable, or > 0 if s2
-         * is preferred.
-         *
-         * s1 or s2 may be NULL. */
-        if (!s1 && !s2)
-                return 0;
-
-        if ((s1 == NULL) != (s2 == NULL))
-                return (s1 == NULL) - (s2 == NULL);
-
-        if (s1->stopping != s2->stopping)
-                return s1->stopping - s2->stopping;
-
-        if ((s1->class != SESSION_USER) != (s2->class != SESSION_USER))
-                return (s1->class != SESSION_USER) - (s2->class != SESSION_USER);
-
-        if ((s1->type == _SESSION_TYPE_INVALID) != (s2->type == _SESSION_TYPE_INVALID))
-                return (s1->type == _SESSION_TYPE_INVALID) - (s2->type == _SESSION_TYPE_INVALID);
-
-        if (s1->type != s2->type)
-                return type_ranks[s1->type] - type_ranks[s2->type];
-
-        return 0;
-}
-
 void user_elect_display(User *u) {
-        Session *s;
+        Session *graphical = NULL, *text = NULL, *other = NULL, *s;
 
         assert(u);
 
         /* This elects a primary session for each user, which we call
          * the "display". We try to keep the assignment stable, but we
          * "upgrade" to better choices. */
-        log_debug("Electing new display for user %s", u->name);
 
         LIST_FOREACH(sessions_by_user, s, u->sessions) {
-                if (!elect_display_filter(s)) {
-                        log_debug("Ignoring session %s", s->id);
+
+                if (s->class != SESSION_USER)
                         continue;
-                }
 
-                if (elect_display_compare(s, u->display) < 0) {
-                        log_debug("Choosing session %s in preference to %s", s->id, u->display ? u->display->id : "-");
-                        u->display = s;
-                }
+                if (s->stopping)
+                        continue;
+
+                if (SESSION_TYPE_IS_GRAPHICAL(s->type))
+                        graphical = s;
+                else if (s->type == SESSION_TTY)
+                        text = s;
+                else
+                        other = s;
         }
+
+        if (graphical &&
+            (!u->display ||
+             u->display->class != SESSION_USER ||
+             u->display->stopping ||
+             !SESSION_TYPE_IS_GRAPHICAL(u->display->type))) {
+                u->display = graphical;
+                return;
+        }
+
+        if (text &&
+            (!u->display ||
+             u->display->class != SESSION_USER ||
+             u->display->stopping ||
+             u->display->type != SESSION_TTY)) {
+                u->display = text;
+                return;
+        }
+
+        if (other &&
+            (!u->display ||
+             u->display->class != SESSION_USER ||
+             u->display->stopping))
+                u->display = other;
 }
 
 static const char* const user_state_table[_USER_STATE_MAX] = {