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- /***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at https://curl.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- * SPDX-License-Identifier: curl
- *
- ***************************************************************************/
- #include "curl_setup.h"
- #ifdef HAVE_SYS_IOCTL_H
- #include <sys/ioctl.h>
- #endif
- #ifdef HAVE_FCNTL_H
- #include <fcntl.h>
- #endif
- #ifdef __VMS
- #include <in.h>
- #include <inet.h>
- #endif
- #include "nonblock.h"
- /*
- * curlx_nonblock() set the given socket to either blocking or non-blocking
- * mode based on the 'nonblock' boolean argument. This function is highly
- * portable.
- */
- int curlx_nonblock(curl_socket_t sockfd, /* operate on this */
- int nonblock /* TRUE or FALSE */)
- {
- #if defined(HAVE_FCNTL_O_NONBLOCK)
- /* most recent unix versions */
- int flags;
- flags = sfcntl(sockfd, F_GETFL, 0);
- if(nonblock)
- return sfcntl(sockfd, F_SETFL, flags | O_NONBLOCK);
- return sfcntl(sockfd, F_SETFL, flags & (~O_NONBLOCK));
- #elif defined(HAVE_IOCTL_FIONBIO)
- /* older unix versions */
- int flags = nonblock ? 1 : 0;
- return ioctl(sockfd, FIONBIO, &flags);
- #elif defined(HAVE_IOCTLSOCKET_FIONBIO)
- /* Windows */
- unsigned long flags = nonblock ? 1UL : 0UL;
- return ioctlsocket(sockfd, (long)FIONBIO, &flags);
- #elif defined(HAVE_IOCTLSOCKET_CAMEL_FIONBIO)
- /* Amiga */
- long flags = nonblock ? 1L : 0L;
- return IoctlSocket(sockfd, FIONBIO, (char *)&flags);
- #elif defined(HAVE_SETSOCKOPT_SO_NONBLOCK)
- /* Orbis OS */
- long b = nonblock ? 1L : 0L;
- return setsockopt(sockfd, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
- #else
- # error "no non-blocking method was found/used/set"
- #endif
- }
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