Do not print accept error on connection close

epics-modules · Dec 24, 2023 · 19db7d3 · 19db7d3
1 parent 7f89753
commit 19db7d3
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/asyn/drvAsynSerial/drvAsynIPServerPort.c b/asyn/drvAsynSerial/drvAsynIPServerPort.c
@@ -324,6 +324,12 @@ static void connectionListener(void *drvPvt)
 
         } else {
             clientFd = epicsSocketAccept(tty->fd, (struct sockaddr *) &clientAddr, &clientLen);
+            if (tty->fd == INVALID_SOCKET) {
+                asynPrint(pasynUser, ASYN_TRACE_FLOW,
+                    "drvAsynIPServerPort: terminating connection thread for %s\n",
+                    tty->serverInfo);                
+                break; /* we must be in ioc shutdown and ttyCleanup has been called */
+            }
             asynPrint(pasynUser, ASYN_TRACE_FLOW,
                     "drvAsynIPServerPort: new connection, socket=%d on %s\n",
                     clientFd, tty->serverInfo);