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