Moved setting of SO_REUSEADDR and added comment

1 files changed, 15 insertions, 0 deletions

diff --git a/cpp/src/Ice/TcpAcceptor.cpp b/cpp/src/Ice/TcpAcceptor.cpp
index 2ffb6fd5a0d..3d3c28b787d 100644
--- a/cpp/src/Ice/TcpAcceptor.cpp
+++ b/cpp/src/Ice/TcpAcceptor.cpp
@@ -121,6 +121,21 @@ IceInternal::TcpAcceptor::TcpAcceptor(const InstancePtr& instance, const string&
         setBlock(_fd, false);
         getAddress(host, port, _addr);
         setTcpBufSize(_fd, _instance->initializationData().properties, _logger);
+#ifndef _WIN32
+        //
+        // Enable SO_REUSEADDR on Unix platforms to allow re-using the
+        // socket even if it's in the TIME_WAIT state. On Windows,
+        // this doesn't appear to be necessary and enabling
+        // SO_REUSEADDR would actually not be a good thing since it
+        // allows a second process to bind to an address even it's
+        // already bound by another process.
+        //
+        // TODO: using SO_EXCLUSIVEADDRUSE on Windows would probably
+        // be better but it's only supported by recent Windows
+        // versions (XP SP2, Windows Server 2003).
+        //
+        setReuseAddress(_fd, true);
+#endif
         if(_traceLevels->network >= 2)
         {
             Trace out(_logger, _traceLevels->networkCat);