/* * libsocket - BSD socket like library for DJGPP * Copyright 1997, 1998 by Indrek Mandre * Copyright 1997-2000 by Richard Dawe * * Portions of libsocket Copyright 1985-1993 Regents of the University of * California. * Portions of libsocket Copyright 1991, 1992 Free Software Foundation, Inc. * Portions of libsocket Copyright 1997, 1998 by the Regdos Group. * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Library General Public License as published * by the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include "wsock.h" /* ----------------- * - __wsock_fcntl - * ----------------- */ int __wsock_fcntl (LSCK_SOCKET *lsd, int *rv, int command, int request) { int x = 1; int fakeflags = 0; int ret = -1; int handled = 0; /* Set if we've handled the fcntl. */ switch (command) { case F_SETFL: /* Enable/disable non-blocking I/O */ x = (request & O_NONBLOCK) == O_NONBLOCK; /* Set/clear non-blocking. */ handled = __wsock_ioctl (lsd, rv, FIONBIO, &x); break; /* TODO: Surely this should be handled by emulation? */ case F_GETFL: if (lsd->blocking) fakeflags |= O_NONBLOCK; *rv = fakeflags; handled = 1; break; default: handled = 0; break; } return (ret); }