86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAfRRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "stio-prv.h"
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#include <sys/socket.h>
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#include <fcntl.h>
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#include <errno.h>
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/* ------------------------------------------------------------------------ */
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void stio_closeasyncsck (stio_sckhnd_t sck)
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{
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#if defined(_WIN32)
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closesocket (sck);
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#else
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close (sck);
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#endif
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}
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int stio_makesckasync (stio_sckhnd_t sck)
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{
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int flags;
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if ((flags = fcntl (sck, F_GETFL)) <= -1 ||
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(flags = fcntl (sck, F_SETFL, flags | O_NONBLOCK)) <= -1)
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{
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/* stio_seterrnum (dev->stio, STIO_ESYSERR); or translate errno to stio errnum */
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return -1;
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}
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return 0;
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}
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stio_sckhnd_t stio_openasyncsck (int domain, int type)
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{
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stio_sckhnd_t sck;
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#if defined(_WIN32)
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sck = WSASocket (domain, type, 0, NULL, 0, WSA_FLAG_OVERLAPPED /*| WSA_FLAG_NO_HANDLE_INHERIT*/);
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if (sck == STIO_SCKHND_INVALID)
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{
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/* stio_seterrnum (dev->stio, STIO_ESYSERR); or translate errno to stio errnum */
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return STIO_SCKHND_INVALID;
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}
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#else
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sck = socket (domain, type, 0); /* NO CLOEXEC or somethign */
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if (sck == STIO_SCKHND_INVALID)
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{
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/* stio_seterrnum (dev->stio, STIO_ESYSERR); or translate errno to stio errnum */
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return STIO_SCKHND_INVALID;
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}
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if (stio_makesckasync (sck) <= -1)
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{
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close (sck);
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return STIO_SCKHND_INVALID;
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}
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#endif
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return sck;
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}
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