Add QLocalServer::socketDescriptor

Adds a function to return the native socket descriptor. It allows
threaded or forked applications to reuse a previously created socket.

[ChangeLog][QtNetwork][QLocalServer] Added a function to retrieve
the socket descriptor.

Task-number: QTBUG-55043
Change-Id: I556e97000d2c02ad2bdd636984de6c7564381c6a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/tests/auto/network/socket/qlocalsocket/tst_qlocalsocket.cpp b/tests/auto/network/socket/qlocalsocket/tst_qlocalsocket.cpp
index 60ee4eb471..7760138067 100644
--- a/tests/auto/network/socket/qlocalsocket/tst_qlocalsocket.cpp
+++ b/tests/auto/network/socket/qlocalsocket/tst_qlocalsocket.cpp
@@ -306,9 +306,11 @@ void tst_QLocalSocket::listen()
         // already isListening
         QTest::ignoreMessage(QtWarningMsg, "QLocalServer::listen() called when already listening");
         QVERIFY(!server.listen(name));
+        QVERIFY(server.socketDescriptor() != -1);
     } else {
         QVERIFY(!server.errorString().isEmpty());
         QCOMPARE(server.serverError(), QAbstractSocket::HostNotFoundError);
+        QCOMPARE(server.socketDescriptor(), -1);
     }
     QCOMPARE(server.maxPendingConnections(), 30);
     bool timedOut = false;