/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2012, 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 http://curl.haxx.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. * ***************************************************************************/ #include "curl_setup.h" #ifdef HAVE_SYS_IOCTL_H #include <sys/ioctl.h> #endif #ifdef HAVE_FCNTL_H #include <fcntl.h> #endif #if (defined(HAVE_IOCTL_FIONBIO) && defined(NETWARE)) #include <sys/filio.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(USE_BLOCKING_SOCKETS) return 0; /* returns success */ #elif 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); else 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, FIONBIO, &flags); #elif defined(HAVE_IOCTLSOCKET_CAMEL_FIONBIO) /* Amiga */ long flags = nonblock ? 1L : 0L; return IoctlSocket(sockfd, FIONBIO, flags); #elif defined(HAVE_SETSOCKOPT_SO_NONBLOCK) /* BeOS */ 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 }