login: add 'mir' to the list of session types

Add Mir to the list of session types. This is implemented for LightDM
in lp:~robert-ancell/lightdm/xdg-session-desktop [1].

[1] https://code.launchpad.net/~robert-ancell/lightdm/xdg-session-desktop/+merge/214108

(david: adjusted commit-header and fixed whitespace issues)

2 files changed, 2 insertions, 0 deletions

diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index 4ca6b5d805..b4fd349f00 100644
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -1117,6 +1117,7 @@ static const char* const session_type_table[_SESSION_TYPE_MAX] = {
         [SESSION_TTY] = "tty",
         [SESSION_X11] = "x11",
         [SESSION_WAYLAND] = "wayland",
+        [SESSION_MIR] = "mir",
 };
 
 DEFINE_STRING_TABLE_LOOKUP(session_type, SessionType);
diff --git a/src/login/logind-session.h b/src/login/logind-session.h
index c9af5ebe0d..7ecc9f0d4f 100644
--- a/src/login/logind-session.h
+++ b/src/login/logind-session.h
@@ -55,6 +55,7 @@ typedef enum SessionType {
         SESSION_TTY,
         SESSION_X11,
         SESSION_WAYLAND,
+        SESSION_MIR,
         _SESSION_TYPE_MAX,
         _SESSION_TYPE_INVALID = -1
 } SessionType;