/* * 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 "unix.h" /* ---------------- * - __unix_ioctl - * ---------------- */ int __unix_ioctl (LSCK_SOCKET *lsd, int *rv, int request, int *param) { LSCK_SOCKET_UNIX *usock = (LSCK_SOCKET_UNIX *) lsd->idata; int ret = -1; int handled = 0; /* Set if we've handled ioctl here. */ switch (request) { case FIONBIO: /* Set non-blocking I/O on mailslot fds */ if (*param == 1) { ret = fcntl (usock->fd_w, F_SETFL, O_NONBLOCK); if (ret != -1) fcntl (usock->fd_r, F_SETFL, O_NONBLOCK); *rv = 0; } else { errno = EINVAL; *rv = -1; } handled = 1; break; /* Get the amount of data waiting. */ case FIONREAD: *rv = ioctl(usock->fd_w, request, param); handled = 1; break; default: break; } return(handled); }