From ebfded810745d48b08151f8dcb580d2c0babc834 Mon Sep 17 00:00:00 2001
From: Jeff Hill <johill@lanl.gov>
Date: Mon, 22 Mar 2004 18:36:59 +0000
Subject: [PATCH] new flag preventing subscription from being installed twice

---
 src/ca/netIO.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ca/netIO.h b/src/ca/netIO.h
index 42d0c3d25..a9b12a110 100644
--- a/src/ca/netIO.h
+++ b/src/ca/netIO.h
@@ -87,6 +87,8 @@ public:
         epicsGuard < epicsMutex > & ) const;
     unsigned getMask (
         epicsGuard < epicsMutex > & ) const;
+    void subscribeIfRequired (
+        epicsGuard < epicsMutex > & guard, nciu & chan );
     void subscriptionUpdateIfRequired (
         epicsGuard < epicsMutex > &, nciu & );
 protected:
@@ -102,6 +104,7 @@ private:
     const unsigned type;
     const unsigned mask;
     bool updateWhileDisconnected;
+    bool subscribed;
     class netSubscription * isSubscription ();
     void * operator new ( size_t );
     void operator delete ( void * );