1#ifndef _ASM_GENERIC_FCNTL_H 2#define _ASM_GENERIC_FCNTL_H 3 4#include <linux/types.h> 5 6/* open/fcntl - O_SYNC is only implemented on blocks devices and on files 7 located on an ext2 file system */ 8#define O_ACCMODE 00000003 9#define O_RDONLY 00000000 10#define O_WRONLY 00000001 11#define O_RDWR 00000002 12#ifndef O_CREAT 13#define O_CREAT 00000100 /* not fcntl */ 14#endif 15#ifndef O_EXCL 16#define O_EXCL 00000200 /* not fcntl */ 17#endif 18#ifndef O_NOCTTY 19#define O_NOCTTY 00000400 /* not fcntl */ 20#endif 21#ifndef O_TRUNC 22#define O_TRUNC 00001000 /* not fcntl */ 23#endif 24#ifndef O_APPEND 25#define O_APPEND 00002000 26#endif 27#ifndef O_NONBLOCK 28#define O_NONBLOCK 00004000 29#endif 30#ifndef O_SYNC 31#define O_SYNC 00010000 32#endif 33#ifndef FASYNC 34#define FASYNC 00020000 /* fcntl, for BSD compatibility */ 35#endif 36#ifndef O_DIRECT 37#define O_DIRECT 00040000 /* direct disk access hint */ 38#endif 39#ifndef O_LARGEFILE 40#define O_LARGEFILE 00100000 41#endif 42#ifndef O_DIRECTORY 43#define O_DIRECTORY 00200000 /* must be a directory */ 44#endif 45#ifndef O_NOFOLLOW 46#define O_NOFOLLOW 00400000 /* don't follow links */ 47#endif 48#ifndef O_NOATIME 49#define O_NOATIME 01000000 50#endif 51#ifndef O_CLOEXEC 52#define O_CLOEXEC 02000000 /* set close_on_exec */ 53#endif 54#ifndef O_NDELAY 55#define O_NDELAY O_NONBLOCK 56#endif 57 58#define F_DUPFD 0 /* dup */ 59#define F_GETFD 1 /* get close_on_exec */ 60#define F_SETFD 2 /* set/clear close_on_exec */ 61#define F_GETFL 3 /* get file->f_flags */ 62#define F_SETFL 4 /* set file->f_flags */ 63#ifndef F_GETLK 64#define F_GETLK 5 65#define F_SETLK 6 66#define F_SETLKW 7 67#endif 68#ifndef F_SETOWN 69#define F_SETOWN 8 /* for sockets. */ 70#define F_GETOWN 9 /* for sockets. */ 71#endif 72#ifndef F_SETSIG 73#define F_SETSIG 10 /* for sockets. */ 74#define F_GETSIG 11 /* for sockets. */ 75#endif 76 77#ifndef CONFIG_64BIT 78#ifndef F_GETLK64 79#define F_GETLK64 12 /* using 'struct flock64' */ 80#define F_SETLK64 13 81#define F_SETLKW64 14 82#endif 83#endif 84 85#ifndef F_SETOWN_EX 86#define F_SETOWN_EX 15 87#define F_GETOWN_EX 16 88#endif 89 90#define F_OWNER_TID 0 91#define F_OWNER_PID 1 92#define F_OWNER_PGRP 2 93 94struct f_owner_ex { 95 int type; 96 pid_t pid; 97}; 98 99/* for F_[GET|SET]FL */ 100#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 101 102/* for posix fcntl() and lockf() */ 103#ifndef F_RDLCK 104#define F_RDLCK 0 105#define F_WRLCK 1 106#define F_UNLCK 2 107#endif 108 109/* for old implementation of bsd flock () */ 110#ifndef F_EXLCK 111#define F_EXLCK 4 /* or 3 */ 112#define F_SHLCK 8 /* or 4 */ 113#endif 114 115/* for leases */ 116#ifndef F_INPROGRESS 117#define F_INPROGRESS 16 118#endif 119 120/* operations for bsd flock(), also used by the kernel implementation */ 121#define LOCK_SH 1 /* shared lock */ 122#define LOCK_EX 2 /* exclusive lock */ 123#define LOCK_NB 4 /* or'd with one of the above to prevent 124 blocking */ 125#define LOCK_UN 8 /* remove lock */ 126 127#define LOCK_MAND 32 /* This is a mandatory flock ... */ 128#define LOCK_READ 64 /* which allows concurrent read operations */ 129#define LOCK_WRITE 128 /* which allows concurrent write operations */ 130#define LOCK_RW 192 /* which allows concurrent read & write ops */ 131 132#define F_LINUX_SPECIFIC_BASE 1024 133 134#ifndef HAVE_ARCH_STRUCT_FLOCK 135#ifndef __ARCH_FLOCK_PAD 136#define __ARCH_FLOCK_PAD 137#endif 138 139struct flock { 140 short l_type; 141 short l_whence; 142 __kernel_off_t l_start; 143 __kernel_off_t l_len; 144 __kernel_pid_t l_pid; 145 __ARCH_FLOCK_PAD 146}; 147#endif 148 149#ifndef CONFIG_64BIT 150 151#ifndef HAVE_ARCH_STRUCT_FLOCK64 152#ifndef __ARCH_FLOCK64_PAD 153#define __ARCH_FLOCK64_PAD 154#endif 155 156struct flock64 { 157 short l_type; 158 short l_whence; 159 __kernel_loff_t l_start; 160 __kernel_loff_t l_len; 161 __kernel_pid_t l_pid; 162 __ARCH_FLOCK64_PAD 163}; 164#endif 165#endif /* !CONFIG_64BIT */ 166 167#endif /* _ASM_GENERIC_FCNTL_H */ 168