paging: Introduce a GSM_PAGING_BUSY event for a special timeout
Start counting the attempts of each paging request and call
the callback with the PAGING_BUSY type when the paging request
timed out but the subscriber was not paged at all. This can
only happen with a huge paging backlog.
In case the system has so many pending paging
diff --git a/openbsc/src/silent_call.c b/openbsc/src/silent_call.c
index 29ade00..2eb37ba 100644
--- a/openbsc/src/silent_call.c
+++ b/openbsc/src/silent_call.c
@@ -60,6 +60,7 @@
dispatch_signal(SS_SCALL, S_SCALL_SUCCESS, &sigdata);
break;
case GSM_PAGING_EXPIRED:
+ case GSM_PAGING_BUSY:
DEBUGP(DSMS, "expired\n");
dispatch_signal(SS_SCALL, S_SCALL_EXPIRED, &sigdata);
break;