diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/network/socket/qnativesocketengine_unix.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/network/socket/qnativesocketengine_unix.cpp b/src/network/socket/qnativesocketengine_unix.cpp index 295d3961a8..7cd8e1bff3 100644 --- a/src/network/socket/qnativesocketengine_unix.cpp +++ b/src/network/socket/qnativesocketengine_unix.cpp @@ -321,7 +321,13 @@ bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt } case QNativeSocketEngine::AddressReusable: #if defined(SO_REUSEPORT) - n = SO_REUSEPORT; + // on OS X, SO_REUSEADDR isn't sufficient to allow multiple binds to the + // same port (which is useful for multicast UDP). SO_REUSEPORT is, but + // we most definitely do not want to use this for TCP. See QTBUG-6305. + if (socketType == QAbstractSocket::UdpSocket) + n = SO_REUSEPORT; + else + n = SO_REUSEADDR; #else n = SO_REUSEADDR; #endif |