/*!\file sys/ioctl.h * BSD socket I/O control. */ /*- * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 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 OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ioctl.h 7.19 (Berkeley) 6/26/91 */ #ifndef __SYS_IOCTL_H #define __SYS_IOCTL_H /* * Commands for ioctlsocket(), taken from the BSD file fcntl.h. * * * Ioctl's have the command encoded in the lower word, * and the size of any in or out parameters in the upper * word. The high 2 bits of the upper word are used * to encode the in/out status of the parameter; for now * we restrict parameters to at most 128 bytes. */ #define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */ #define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) #define IOCBASECMD(x) ((x) & ~IOCPARM_MASK) #define IOCGROUP(x) (((x) >> 8) & 0xff) #define IOCPARM_MAX 4096 /* max size of ioctl */ #define IOC_VOID 0x20000000 /* no parameters */ #define IOC_OUT 0x40000000 /* copy out parameters */ #define IOC_IN 0x80000000 /* copy in parameters */ #define IOC_INOUT (IOC_IN|IOC_OUT) /* 0x20000000 distinguishes new & old ioctl's */ #define IOC_DIRMASK 0xe0000000 /* mask for IN/OUT/VOID */ #define _IO(x,y) (IOC_VOID|(x<<8)|y) #define _IOR(x,y,t) (IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y) #define _IOW(x,y,t) (IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y) /* this should be _IORW, but stdio got there first */ #define _IOWR(x,y,t) (IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y) /* * file i/o controls */ #define FIOCLEX _IO('f', 1) /* set close on exec on fd */ #define FIONCLEX _IO('f', 2) /* remove close on exec */ #define FIONREAD _IOR('f', 127, int) /* get # bytes to read */ #define FIONBIO _IOW('f', 126, int) /* set/clear non-blocking i/o */ #define FIOASYNC _IOW('f', 125, int) /* set/clear async i/o */ #define FIOSETOWN _IOW('f', 124, int) /* set owner (struct Task *) */ #define FIOGETOWN _IOR('f', 123, int) /* get owner (struct Task *) */ /* * socket i/o controls * * SIOCSPGRP and SIOCGPGRP are identical to the FIOSETOWN and FIOGETOWN, * respectively. */ #define SIOCSPGRP _IOW('s', 8, int) /* set process group */ #define SIOCGPGRP _IOR('s', 9, int) /* get process group */ /* #ifdef BSD */ #define SIOCADDRT _IOW('r', 10, struct ortentry) /* add route */ #define SIOCDELRT _IOW('r', 11, struct ortentry) /* delete route */ #define SIOCSIFADDR _IOW('I', 12, struct ifreq) /* set ifnet address */ #define OSIOCGIFADDR _IOWR('I',13, struct ifreq) /* get ifnet address */ #define SIOCGIFADDR _IOWR('I',33, struct ifreq) /* get ifnet address */ #define SIOCSIFDSTADDR _IOW('I', 14, struct ifreq) /* set p-p address */ #define OSIOCGIFDSTADDR _IOWR('I',15, struct ifreq) /* get p-p address */ #define SIOCGIFDSTADDR _IOWR('I',34, struct ifreq) /* get p-p address */ #define SIOCSIFFLAGS _IOW('I', 16, struct ifreq) /* set ifnet flags */ #define SIOCGIFFLAGS _IOWR('I',17, struct ifreq) /* get ifnet flags */ #define OSIOCGIFBRDADDR _IOWR('I',18, struct ifreq) /* get broadcast addr */ #define SIOCGIFBRDADDR _IOWR('I',35, struct ifreq) /* get broadcast addr */ #define SIOCSIFBRDADDR _IOW('I',19, struct ifreq) /* set broadcast addr */ #define OSIOCGIFCONF _IOWR('I',20, struct ifconf) /* get ifnet list */ #define SIOCGIFCONF _IOWR('I',36, struct ifconf) /* get ifnet list */ #define OSIOCGIFNETMASK _IOWR('I',21, struct ifreq) /* get net addr mask */ #define SIOCGIFNETMASK _IOWR('I',37, struct ifreq) /* get net addr mask */ #define SIOCSIFNETMASK _IOW('I',22, struct ifreq) /* set net addr mask */ #define SIOCGIFMETRIC _IOWR('I',23, struct ifreq) /* get IF metric */ #define SIOCSIFMETRIC _IOW('I',24, struct ifreq) /* set IF metric */ #define SIOCDIFADDR _IOW('I',25, struct ifreq) /* delete IF addr */ #define SIOCAIFADDR _IOW('I',26, struct ifaliasreq)/* add/chg IF alias */ #define SIOCGIFMTU _IOWR('I',27, struct ifreq) /* get IF mtu */ #define SIOCGIFHWADDR _IOWR('I',28, struct ifconf) /* get hardware addr */ #define OSIOCGIFHWADDR SIOCGIFHWADDR #define SIOCSARP _IOW('I', 30, struct arpreq) /* set arp entry */ #define OSIOCGARP _IOWR('I',31, struct arpreq) /* get arp entry */ #define SIOCGARP _IOWR('I',38, struct arpreq) /* get arp entry */ #define SIOCDARP _IOW('I', 32, struct arpreq) /* delete arp entry */ /* #endif */ /* BSD */ /* MS-DOS */ #define SIOCSHIWAT _IOW('s', 0, int) /* set high watermark */ #define SIOCGHIWAT _IOR('s', 1, int) /* get high watermark */ #define SIOCSLOWAT _IOW('s', 2, int) /* set low watermark */ #define SIOCGLOWAT _IOR('s', 3, int) /* get low watermark */ #define SIOCATMARK _IOR('s', 7, int) /* at oob mark? */ /* Since this file shadows the normal djgpp , we include * that last. */ #if defined(__DJGPP__) #if 0 #include "/dev/env/DJDIR/include/sys/ioctl.h" /* ioctl() */ #else #include_next /* ioctl() */ #endif #endif #endif /* !__SYS_IOCTL_H */