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Diffstat (limited to 'include/mach/sa/sys/ioctl.h')
-rw-r--r-- | include/mach/sa/sys/ioctl.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/include/mach/sa/sys/ioctl.h b/include/mach/sa/sys/ioctl.h deleted file mode 100644 index 732494d..0000000 --- a/include/mach/sa/sys/ioctl.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon rights - * to redistribute these changes. - */ -/* - * Format definitions for 'ioctl' commands in device definitions. - * - * From BSD4.4. - */ - -#ifndef _MACH_SYS_IOCTL_H_ -#define _MACH_SYS_IOCTL_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 3 bits of the - * upper word are used to encode the in/out status of the parameter. - */ -#define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */ -#define IOC_VOID 0x20000000 /* no parameters */ -#define IOC_OUT 0x40000000 /* copy out parameters */ -#define IOC_IN 0x80000000U /* copy in parameters */ -#define IOC_INOUT (IOC_IN|IOC_OUT) - -#define _IOC(inout,group,num,len) \ - (inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num)) -#define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0) -#define _IOR(g,n,t) _IOC(IOC_OUT, (g), (n), sizeof(t)) -#define _IOW(g,n,t) _IOC(IOC_IN, (g), (n), sizeof(t)) -#define _IOWR(g,n,t) _IOC(IOC_INOUT, (g), (n), sizeof(t)) - -#endif _MACH_SYS_IOCTL_H_ |