Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v2.6.12-rc2 89 lines 2.7 kB view raw
1#ifndef _PPC64_FCNTL_H 2#define _PPC64_FCNTL_H 3 4/* 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 8 * 2 of the License, or (at your option) any later version. 9 */ 10 11/* open/fcntl - O_SYNC is only implemented on blocks devices and on files 12 located on an ext2 file system */ 13#define O_ACCMODE 0003 14#define O_RDONLY 00 15#define O_WRONLY 01 16#define O_RDWR 02 17#define O_CREAT 0100 /* not fcntl */ 18#define O_EXCL 0200 /* not fcntl */ 19#define O_NOCTTY 0400 /* not fcntl */ 20#define O_TRUNC 01000 /* not fcntl */ 21#define O_APPEND 02000 22#define O_NONBLOCK 04000 23#define O_NDELAY O_NONBLOCK 24#define O_SYNC 010000 25#define FASYNC 020000 /* fcntl, for BSD compatibility */ 26#define O_DIRECTORY 040000 /* must be a directory */ 27#define O_NOFOLLOW 0100000 /* don't follow links */ 28#define O_LARGEFILE 0200000 29#define O_DIRECT 0400000 /* direct disk access hint */ 30#define O_NOATIME 01000000 31 32#define F_DUPFD 0 /* dup */ 33#define F_GETFD 1 /* get close_on_exec */ 34#define F_SETFD 2 /* set/clear close_on_exec */ 35#define F_GETFL 3 /* get file->f_flags */ 36#define F_SETFL 4 /* set file->f_flags */ 37#define F_GETLK 5 38#define F_SETLK 6 39#define F_SETLKW 7 40 41#define F_SETOWN 8 /* for sockets. */ 42#define F_GETOWN 9 /* for sockets. */ 43#define F_SETSIG 10 /* for sockets. */ 44#define F_GETSIG 11 /* for sockets. */ 45 46/* for F_[GET|SET]FL */ 47#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 48 49/* for posix fcntl() and lockf() */ 50#define F_RDLCK 0 51#define F_WRLCK 1 52#define F_UNLCK 2 53 54/* for old implementation of bsd flock () */ 55#define F_EXLCK 4 /* or 3 */ 56#define F_SHLCK 8 /* or 4 */ 57 58/* for leases */ 59#define F_INPROGRESS 16 60 61/* operations for bsd flock(), also used by the kernel implementation */ 62#define LOCK_SH 1 /* shared lock */ 63#define LOCK_EX 2 /* exclusive lock */ 64#define LOCK_NB 4 /* or'd with one of the above to prevent 65 blocking */ 66#define LOCK_UN 8 /* remove lock */ 67 68#define LOCK_MAND 32 /* This is a mandatory flock */ 69#define LOCK_READ 64 /* ... Which allows concurrent read operations */ 70#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ 71#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ 72 73#ifdef __KERNEL__ 74#define F_POSIX 1 75#define F_FLOCK 2 76#define F_BROKEN 4 /* broken flock() emulation */ 77#endif /* __KERNEL__ */ 78 79struct flock { 80 short l_type; 81 short l_whence; 82 off_t l_start; 83 off_t l_len; 84 pid_t l_pid; 85}; 86 87#define F_LINUX_SPECIFIC_BASE 1024 88 89#endif /* _PPC64_FCNTL_H */