From 1cf8cc81a1b41722ce4c6447f8434c9705540fc0 Mon Sep 17 00:00:00 2001
From: Douglas Clowes <dcl@ansto.gov.au>
Date: Tue, 28 May 2013 16:17:15 +1000
Subject: [PATCH] Add a function to AsyncQueue to tell if we are connected

---
 asyncqueue.c | 11 +++++++++++
 asyncqueue.h |  4 ++++
 2 files changed, 15 insertions(+)

diff --git a/asyncqueue.c b/asyncqueue.c
index 1d3d7124..576900e3 100644
--- a/asyncqueue.c
+++ b/asyncqueue.c
@@ -1238,3 +1238,14 @@ void *AsyncUnitGetQueueContext(pAsyncUnit unit)
   assert(unit->queue);
   return unit->queue->context;
 }
+
+
+int AsyncUnitIsQueueConnected(pAsyncUnit unit)
+{
+  assert(unit);
+  assert(unit->queue);
+  if (unit && unit->queue)
+    if (unit->queue->state == eAsyncConnected)
+      return 1;
+  return 0;
+}
diff --git a/asyncqueue.h b/asyncqueue.h
index 60fed9ca..c2aa5a83 100644
--- a/asyncqueue.h
+++ b/asyncqueue.h
@@ -195,4 +195,8 @@ void *AsyncUnitSetQueueContext(pAsyncUnit handle, void *cntx);
  */
 void *AsyncUnitGetQueueContext(pAsyncUnit handle);
 
+/** \brief return one if queue is connected, zero otherwise
+ */
+int AsyncUnitIsQueueConnected(pAsyncUnit handle);
+
 #endif                          /* SICSASYNCQUEUE */