sd-login: add new call sd_seat_can_multi_session()

[elogind.git] / src / sd-login.c

diff --git a/src/sd-login.c b/src/sd-login.c
index b7ae870af4d7577882a88441ac2412aeb9c10557..d44a1fcf9c473487f5e48355f2681659a3305de1 100644 (file)
--- a/src/sd-login.c
+++ b/src/sd-login.c
@@ -327,7 +327,6 @@ _public_ int sd_session_is_active(const char *session) {
 _public_ int sd_session_get_uid(const char *session, uid_t *uid) {
         int r;
         char *p, *s = NULL;
-        unsigned long ul;
 
         if (!session)
                 return -EINVAL;
@@ -523,6 +522,36 @@ _public_ int sd_seat_get_sessions(const char *seat, char ***sessions, uid_t **ui
         return 0;
 }
 
+_public_ int sd_seat_can_multi_session(const char *seat) {
+        char *p, *s = NULL;
+        int r;
+
+        if (!seat)
+                return -EINVAL;
+
+        p = strappend("/run/systemd/seats/", seat);
+        if (!p)
+                return -ENOMEM;
+
+        r = parse_env_file(p, NEWLINE,
+                           "IS_VTCONSOLE", &s,
+                           NULL);
+        free(p);
+
+        if (r < 0) {
+                free(s);
+                return r;
+        }
+
+        if (s) {
+                r = parse_boolean(s);
+                free(s);
+        } else
+                r = 0;
+
+        return r;
+}
+
 _public_ int sd_get_seats(char ***seats) {
 
         if (!seats)
@@ -610,7 +639,6 @@ static inline sd_login_monitor* FD_TO_MONITOR(int fd) {
 }
 
 _public_ int sd_login_monitor_new(const char *category, sd_login_monitor **m) {
-        const char *path;
         int fd, k;
         bool good = false;