diff options
Diffstat (limited to 'win')
| -rw-r--r-- | win/tclWinSock.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/win/tclWinSock.c b/win/tclWinSock.c index ec881d2..af22cf8 100644 --- a/win/tclWinSock.c +++ b/win/tclWinSock.c @@ -2020,7 +2020,7 @@ Tcl_MakeTcpClientChannel( /* *---------------------------------------------------------------------- * - * Tcl_OpenTcpServer -- + * Tcl_OpenTcpServerEx -- * * Opens a TCP server socket and creates a channel around it. * @@ -2035,10 +2035,11 @@ Tcl_MakeTcpClientChannel( */ Tcl_Channel -Tcl_OpenTcpServer( +Tcl_OpenTcpServerEx( Tcl_Interp *interp, /* For error reporting - may be NULL. */ int port, /* Port number to open. */ const char *myHost, /* Name of local host. */ + unsigned int flags, /* Flags. */ Tcl_TcpAcceptProc *acceptProc, /* Callback for accepting connections from new * clients. */ @@ -2052,6 +2053,7 @@ Tcl_OpenTcpServer( char channelName[SOCK_CHAN_LENGTH]; u_long flag = 1; /* Indicates nonblocking mode. */ const char *errorMsg = NULL; + int optvalue; if (TclpHasSockets(interp) != TCL_OK) { return NULL; @@ -2110,9 +2112,17 @@ Tcl_OpenTcpServer( } /* - * Bind to the specified port. Note that we must not call - * setsockopt with SO_REUSEADDR because Microsoft allows addresses - * to be reused even if they are still in use. + * The SO_REUSEADDR option on Windows behaves like SO_REUSEPORT on unix + * systems. + */ + if (flags & TCL_TCPSERVER_REUSEPORT) { + optvalue = 1; + (void) setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, + (char *) &optvalue, sizeof(optvalue)); + } + + /* + * Bind to the specified port. * * Bind should not be affected by the socket having already been * set into nonblocking mode. If there is trouble, this is one |