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 94 struct 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 138 139 struct 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 155 156 struct 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