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linux_fcntl.h revision 1.1 
      1 /*	$NetBSD: linux_fcntl.h,v 1.1 1995/02/28 23:25:40 fvdl Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Frank van der Linden
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed for the NetBSD Project
     18  *      by Frank van der Linden
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 /*
     35  * Various flag values used in Linux for open(2) and fcntl(2).
     36  */
     37 
     38 #ifndef _LINUX_FCNTL_H
     39 #define _LINUX_FCNTL_H
     40 
     41 /* read/write mode for open(2) (as usual) */
     42 #define LINUX_O_RDONLY		0x0000
     43 #define LINUX_O_WRONLY		0x0001
     44 #define LINUX_O_RDWR		0x0002
     45 #define LINUX_O_ACCMODE		0x0003
     46 
     47 /* flags used in open(2) */
     48 #define LINUX_O_CREAT		0x0040
     49 #define LINUX_O_EXCL		0x0080
     50 #define LINUX_O_NOCTTY		0x0100
     51 #define LINUX_O_TRUNC		0x0200
     52 #define LINUX_O_APPEND		0x0400
     53 #define LINUX_O_NDELAY		0x0800
     54 #define LINUX_O_SYNC		0x1000
     55 
     56 #define LINUX_FASYNC		0x2000
     57 
     58 /* fcntl(2) operations */
     59 #define LINUX_F_DUPFD		0
     60 #define LINUX_F_GETFD		1
     61 #define LINUX_F_SETFD		2
     62 #define LINUX_F_GETFL		3
     63 #define LINUX_F_SETFL		4
     64 #define LINUX_F_GETLK		5
     65 #define LINUX_F_SETLK		6
     66 #define LINUX_F_SETLKW		7
     67 #define LINUX_F_SETOWN		8
     68 #define LINUX_F_GETOWN		9
     69 
     70 #define LINUX_F_RDLCK		0
     71 #define LINUX_F_WRLCK		1
     72 #define LINUX_F_UNLCK		2
     73 
     74 #define LINUX_LOCK_EX		4
     75 #define LINUX_LOCK_SH		8
     76 
     77 /*
     78  * The arguments in the flock structure have a different order from the
     79  * BSD structure.
     80  */
     81 
     82 struct linux_flock {
     83 	short       l_type;
     84 	short       l_whence;
     85 	linux_off_t l_start;
     86 	linux_off_t l_len;
     87 	linux_pid_t l_pid;
     88 };
     89 
     90 #endif /* _LINUX_FCNTL_H */
     91