/* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. The end-user documentation included with the redistribution, *    if any, must include the following acknowledgment: *       "This product includes software developed by the *        Apache Software Foundation (http://www.apache.org/)." *    Alternately, this acknowledgment may appear in the software itself, *    if and wherever such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software Foundation" must *    not be used to endorse or promote products derived from this *    software without prior written permission. For written *    permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache", *    nor may "Apache" appear in their name, without prior written *    permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation.  For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */#include "networkio.h"#include "apr_network_io.h"#include "apr_portable.h"#include "apr_general.h"#include "apr_lib.h"static int os2_socket_init(int, int ,int);int (*apr_os2_socket)(int, int, int) = os2_socket_init;int (*apr_os2_select)(int *, int, int, int, long) = NULL;int (*apr_os2_sock_errno)() = NULL;int (*apr_os2_accept)(int, struct sockaddr *, int *) = NULL;int (*apr_os2_bind)(int, struct sockaddr *, int) = NULL;int (*apr_os2_connect)(int, struct sockaddr *, int) = NULL;int (*apr_os2_getpeername)(int, struct sockaddr *, int *) = NULL;int (*apr_os2_getsockname)(int, struct sockaddr *, int *) = NULL;int (*apr_os2_getsockopt)(int, int, int, char *, int *) = NULL;int (*apr_os2_ioctl)(int, int, caddr_t, int) = NULL;int (*apr_os2_listen)(int, int) = NULL;int (*apr_os2_recv)(int, char *, int, int) = NULL;int (*apr_os2_send)(int, const char *, int, int) = NULL;int (*apr_os2_setsockopt)(int, int, int, char *, int) = NULL;int (*apr_os2_shutdown)(int, int) = NULL;int (*apr_os2_soclose)(int) = NULL;int (*apr_os2_writev)(int, struct iovec *, int) = NULL;static HMODULE hSO32DLL;static int os2_fn_link(){    DosEnterCritSec(); /* Stop two threads doing this at the same time */    if (apr_os2_socket == os2_socket_init) {        ULONG rc;        char errorstr[200];        rc = DosLoadModule(errorstr, sizeof(errorstr), "SO32DLL", &hSO32DLL);        if (rc)            return APR_OS2_STATUS(rc);        rc = DosQueryProcAddr(hSO32DLL, 0, "SOCKET", &apr_os2_socket);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "SELECT", &apr_os2_select);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "SOCK_ERRNO", &apr_os2_sock_errno);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "ACCEPT", &apr_os2_accept);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "BIND", &apr_os2_bind);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "CONNECT", &apr_os2_connect);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "GETPEERNAME", &apr_os2_getpeername);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "GETSOCKNAME", &apr_os2_getsockname);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "GETSOCKOPT", &apr_os2_getsockopt);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "IOCTL", &apr_os2_ioctl);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "LISTEN", &apr_os2_listen);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "RECV", &apr_os2_recv);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "SEND", &apr_os2_send);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "SETSOCKOPT", &apr_os2_setsockopt);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "SHUTDOWN", &apr_os2_shutdown);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "SOCLOSE", &apr_os2_soclose);        if (!rc)            rc = DosQueryProcAddr(hSO32DLL, 0, "WRITEV", &apr_os2_writev);        if (rc)            return APR_OS2_STATUS(rc);    }    DosExitCritSec();    return APR_SUCCESS;}static int os2_socket_init(int domain, int type, int protocol){    int rc = os2_fn_link();    if (rc == APR_SUCCESS)        return apr_os2_socket(domain, type, protocol);    return rc;}