Add a StartupWaitTime parameter

This allows sesman to detect failed sessions before it tells xrdp
that all is OK with the session. This is a fairly common failure mode
which can now be reported on the login screen.

libipm/scp_application_types.c

@@ -68,6 +68,7 @@ scp_screate_status_to_str(enum scp_screate_status n,
         (n == E_SCP_SCREATE_MAX_REACHED) ? "Max session limit reached" :
         (n == E_SCP_SCREATE_NO_DISPLAY) ? "No X displays are available" :
         (n == E_SCP_SCREATE_X_SERVER_FAIL) ? "X server could not be started" :
+        (n == E_SCP_SCREATE_SESSION_FAIL) ? "Session failed immediately" :
         (n == E_SCP_SCREATE_GENERAL_ERROR) ? "General session creation error" :
         /* Default */ NULL;
 

libipm/scp_application_types.h

@@ -98,6 +98,7 @@ enum scp_screate_status
     E_SCP_SCREATE_MAX_REACHED, ///< Max number of sessions already reached
     E_SCP_SCREATE_NO_DISPLAY, ///< No X server display number is available
     E_SCP_SCREATE_X_SERVER_FAIL, ///< X server could not be started
+    E_SCP_SCREATE_SESSION_FAIL,///< The session failed quickly
     E_SCP_SCREATE_GENERAL_ERROR ///< An unspecific error has occurred
 };