mirror of /home/gitosis/repositories/libev.git
129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
/*
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* libev win32 compatibility cruft (_not_ a backend)
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*
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* Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modifica-
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* tion, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
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* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
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* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
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* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License ("GPL") version 2 or any later version,
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* in which case the provisions of the GPL are applicable instead of
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* the above. If you wish to allow the use of your version of this file
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* only under the terms of the GPL and not to allow others to use your
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* version of this file under the BSD license, indicate your decision
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* by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete the
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* provisions above, a recipient may use your version of this file under
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* either the BSD or the GPL.
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*/
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#ifdef _WIN32
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/* timeb.h is actually xsi legacy functionality */
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#include <sys/timeb.h>
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/* note: the comment below could not be substantiated, but what would I care */
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/* MSDN says this is required to handle SIGFPE */
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/* my wild guess would be that using something floating-pointy is required */
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/* for the crt to do something about it */
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volatile double SIGFPE_REQ = 0.0f;
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/* oh, the humanity! */
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static int
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ev_pipe (int filedes [2])
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{
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struct sockaddr_in addr = { 0 };
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int addr_size = sizeof (addr);
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SOCKET listener;
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SOCKET sock [2] = { -1, -1 };
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if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
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return -1;
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
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addr.sin_port = 0;
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if (bind (listener, (struct sockaddr *)&addr, addr_size))
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goto fail;
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if (getsockname(listener, (struct sockaddr *)&addr, &addr_size))
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goto fail;
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if (listen (listener, 1))
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goto fail;
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if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
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goto fail;
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if (connect (sock[0], (struct sockaddr *)&addr, addr_size))
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goto fail;
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if ((sock[1] = accept (listener, 0, 0)) < 0)
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goto fail;
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closesocket (listener);
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#if EV_SELECT_IS_WINSOCKET
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filedes [0] = _open_osfhandle (sock [0], 0);
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filedes [1] = _open_osfhandle (sock [1], 0);
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#else
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/* when select isn't winsocket, we also expect socket, connect, accept etc.
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* to work on fds */
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filedes [0] = sock [0];
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filedes [1] = sock [1];
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#endif
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return 0;
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fail:
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closesocket (listener);
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if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
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if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
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return -1;
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}
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#undef pipe
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#define pipe(filedes) ev_pipe (filedes)
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static int
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ev_gettimeofday (struct timeval *tv, struct timezone *tz)
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{
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struct _timeb tb;
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_ftime (&tb);
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tv->tv_sec = (long)tb.time;
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tv->tv_usec = ((long)tb.millitm) * 1000;
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return 0;
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}
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#undef gettimeofday
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#define gettimeofday(tv,tz) ev_gettimeofday (tv, tz)
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#endif
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