Mercurial > hg > truffle
view agent/src/os/win32/initWinsock.cpp @ 1638:b2a00dd3117c
6957084: simplify TaskQueue overflow handling
Reviewed-by: ysr, jmasa
author | jcoomes |
---|---|
date | Thu, 01 Jul 2010 21:40:45 -0700 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include <iostream> #include <winsock2.h> using namespace std; void initWinsock() { static int initted = 0; WORD wVersionRequested; WSADATA wsaData; int err; if (!initted) { wVersionRequested = MAKEWORD( 2, 0 ); err = WSAStartup( wVersionRequested, &wsaData ); if ( err != 0 ) { { /* Tell the user that we couldn't find a usable */ /* WinSock DLL. */ cerr << "SocketBase::SocketBase: unable to find usable " << "WinSock DLL" << endl; exit(1); } } /* Confirm that the WinSock DLL supports 2.0.*/ /* Note that if the DLL supports versions greater */ /* than 2.0 in addition to 2.0, it will still return */ /* 2.0 in wVersion since that is the version we */ /* requested. */ if ( LOBYTE( wsaData.wVersion ) != 2 || HIBYTE( wsaData.wVersion ) != 0 ) { /* Tell the user that we couldn't find a usable */ /* WinSock DLL. */ { cerr << "Unable to find suitable version of WinSock DLL" << endl; WSACleanup( ); exit(1); } } initted = 1; } }