logind: introduce a state for session, being one of online, active, closing

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

diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index 475ebcaa5ea27265ba78839b98ffd0c1308ac054..e438c66332c7443d1250fdf7b5cc5bb213955b81 100644 (file)
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -88,7 +88,7 @@ void session_free(Session *s) {
         }
 
         if (s->cgroup_path)
-                hashmap_remove(s->manager->cgroups, s->cgroup_path);
+                hashmap_remove(s->manager->session_cgroups, s->cgroup_path);
 
         free(s->cgroup_path);
         strv_free(s->controllers);
@@ -116,7 +116,7 @@ int session_save(Session *s) {
         if (!s->started)
                 return 0;
 
-        r = safe_mkdir("/run/systemd/sessions", 0755, 0, 0);
+        r = mkdir_safe_label("/run/systemd/sessions", 0755, 0, 0);
         if (r < 0)
                 goto finish;
 
@@ -133,11 +133,13 @@ int session_save(Session *s) {
                 "UID=%lu\n"
                 "USER=%s\n"
                 "ACTIVE=%i\n"
+                "STATE=%s\n"
                 "REMOTE=%i\n"
                 "KILL_PROCESSES=%i\n",
                 (unsigned long) s->user->uid,
                 s->user->name,
                 session_is_active(s),
+                session_state_to_string(session_get_state(s)),
                 s->remote,
                 s->kill_processes);
 
@@ -382,7 +384,7 @@ static int session_link_x11_socket(Session *s) {
         c[k] = 0;
 
         if (access(f, F_OK) < 0) {
-                log_warning("Session %s has display %s with nonexisting socket %s.", s->id, s->display, f);
+                log_warning("Session %s has display %s with non-existing socket %s.", s->id, s->display, f);
                 free(f);
                 return -ENOENT;
         }
@@ -527,7 +529,7 @@ static int session_create_cgroup(Session *s) {
                 }
         }
 
-        hashmap_put(s->manager->cgroups, s->cgroup_path, s);
+        hashmap_put(s->manager->session_cgroups, s->cgroup_path, s);
 
         return 0;
 }
@@ -646,7 +648,7 @@ static int session_terminate_cgroup(Session *s) {
         STRV_FOREACH(k, s->user->manager->controllers)
                 cg_trim(*k, s->cgroup_path, true);
 
-        hashmap_remove(s->manager->cgroups, s->cgroup_path);
+        hashmap_remove(s->manager->session_cgroups, s->cgroup_path);
 
         free(s->cgroup_path);
         s->cgroup_path = NULL;
@@ -816,7 +818,7 @@ int session_create_fifo(Session *s) {
 
         /* Create FIFO */
         if (!s->fifo_path) {
-                r = safe_mkdir("/run/systemd/sessions", 0755, 0, 0);
+                r = mkdir_safe_label("/run/systemd/sessions", 0755, 0, 0);
                 if (r < 0)
                         return r;
 
@@ -841,7 +843,7 @@ int session_create_fifo(Session *s) {
 
                 zero(ev);
                 ev.events = 0;
-                ev.data.u32 = FD_FIFO_BASE + s->fifo_fd;
+                ev.data.u32 = FD_OTHER_BASE + s->fifo_fd;
 
                 if (epoll_ctl(s->manager->epoll_fd, EPOLL_CTL_ADD, s->fifo_fd, &ev) < 0)
                         return -errno;
@@ -913,6 +915,18 @@ void session_add_to_gc_queue(Session *s) {
         s->in_gc_queue = true;
 }
 
+SessionState session_get_state(Session *s) {
+        assert(s);
+
+        if (s->fifo_fd < 0)
+                return SESSION_CLOSING;
+
+        if (session_is_active(s))
+                return SESSION_ACTIVE;
+
+        return SESSION_ONLINE;
+}
+
 int session_kill(Session *s, KillWho who, int signo) {
         int r = 0;
         Set *pid_set = NULL;
@@ -954,6 +968,14 @@ int session_kill(Session *s, KillWho who, int signo) {
         return r;
 }
 
+static const char* const session_state_table[_SESSION_TYPE_MAX] = {
+        [SESSION_ONLINE] = "online",
+        [SESSION_ACTIVE] = "active",
+        [SESSION_CLOSING] = "closing"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(session_state, SessionState);
+
 static const char* const session_type_table[_SESSION_TYPE_MAX] = {
         [SESSION_TTY] = "tty",
         [SESSION_X11] = "x11",