2021-07-16 17:12:20 -05:00

83 lines
2.6 KiB
C

/*
* @(#) $(JCGO)/minihdr/unix/sys/ioctl.h --
* a part of the minimalist "libc" headers for JCGO (Unix-specific).
**
* Project: JCGO (http://www.ivmaisoft.com/jcgo/)
* Copyright (C) 2001-2008 Ivan Maidanski <ivmai@ivmaisoft.com>
* All rights reserved.
*/
/*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
**
* This software 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
* General Public License (GPL) for more details.
**
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
**
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#ifndef _SYS_IOCTL_H
#define _SYS_IOCTL_H
#ifndef _SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
#ifndef _IOCTL_CMD_TYPE
#define _IOCTL_CMD_TYPE int /* or long */
#endif
#ifndef _IOCPARM_MASK
#define _IOCPARM_MASK 0x1fff /* or 0x7f */
#endif
#ifndef _IOR
#define _IOC_OUT (_IOCTL_CMD_TYPE)0x40000000L
#define _IOC_IN (_IOCTL_CMD_TYPE)0x80000000L
#define _IOC(inout, group, num, len) ((inout) | ((_IOCTL_CMD_TYPE)((len) & _IOCPARM_MASK) << 16) | ((_IOCTL_CMD_TYPE)(group) << 8) | (num))
#define _IOR(g, n, t) _IOC(_IOC_OUT, g, n, sizeof(t))
#define _IOW(g, n, t) _IOC(_IOC_IN, g, n, sizeof(t))
#endif
#ifndef _IOCTL_NO_FIOCMDS
#ifndef FIONREAD
#define FIONREAD _IOR('f', 127, int)
#endif
#ifndef FIONBIO
#define FIONBIO _IOW('f', 126, int)
#endif
#endif
_EXPFUNC int _RTLENTRY ioctl(int, _IOCTL_CMD_TYPE, ...);
#ifdef __cplusplus
}
#endif
#endif