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_NDELAY 52 #define O_NDELAY O_NONBLOCK 53 #endif 54 55 #define F_DUPFD 0 /* dup */ 56 #define F_GETFD 1 /* get close_on_exec */ 57 #define F_SETFD 2 /* set/clear close_on_exec */ 58 #define F_GETFL 3 /* get file->f_flags */ 59 #define F_SETFL 4 /* set file->f_flags */ 60 #ifndef F_GETLK 61 #define F_GETLK 5 62 #define F_SETLK 6 63 #define F_SETLKW 7 64 #endif 65 #ifndef F_SETOWN 66 #define F_SETOWN 8 /* for sockets. */ 67 #define F_GETOWN 9 /* for sockets. */ 68 #endif 69 #ifndef F_SETSIG 70 #define F_SETSIG 10 /* for sockets. */ 71 #define F_GETSIG 11 /* for sockets. */ 72 #endif 73 74 /* for F_[GET|SET]FL */ 75 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 76 77 /* for posix fcntl() and lockf() */ 78 #ifndef F_RDLCK 79 #define F_RDLCK 0 80 #define F_WRLCK 1 81 #define F_UNLCK 2 82 #endif 83 84 /* for old implementation of bsd flock () */ 85 #ifndef F_EXLCK 86 #define F_EXLCK 4 /* or 3 */ 87 #define F_SHLCK 8 /* or 4 */ 88 #endif 89 90 /* for leases */ 91 #ifndef F_INPROGRESS 92 #define F_INPROGRESS 16 93 #endif 94 95 /* operations for bsd flock(), also used by the kernel implementation */ 96 #define LOCK_SH 1 /* shared lock */ 97 #define LOCK_EX 2 /* exclusive lock */ 98 #define LOCK_NB 4 /* or'd with one of the above to prevent 99 blocking */ 100 #define LOCK_UN 8 /* remove lock */ 101 102 #define LOCK_MAND 32 /* This is a mandatory flock ... */ 103 #define LOCK_READ 64 /* which allows concurrent read operations */ 104 #define LOCK_WRITE 128 /* which allows concurrent write operations */ 105 #define LOCK_RW 192 /* which allows concurrent read & write ops */ 106 107 #define F_LINUX_SPECIFIC_BASE 1024 108 109 #ifndef HAVE_ARCH_STRUCT_FLOCK 110 #ifndef __ARCH_FLOCK_PAD 111 #define __ARCH_FLOCK_PAD 112 #endif 113 114 struct flock { 115 short l_type; 116 short l_whence; 117 off_t l_start; 118 off_t l_len; 119 pid_t l_pid; 120 __ARCH_FLOCK_PAD 121 }; 122 #endif 123 124 #ifndef CONFIG_64BIT 125 126 #ifndef F_GETLK64 127 #define F_GETLK64 12 /* using 'struct flock64' */ 128 #define F_SETLK64 13 129 #define F_SETLKW64 14 130 #endif 131 132 #ifndef HAVE_ARCH_STRUCT_FLOCK64 133 #ifndef __ARCH_FLOCK64_PAD 134 #define __ARCH_FLOCK64_PAD 135 #endif 136 137 struct flock64 { 138 short l_type; 139 short l_whence; 140 loff_t l_start; 141 loff_t l_len; 142 pid_t l_pid; 143 __ARCH_FLOCK64_PAD 144 }; 145 #endif 146 #endif /* !CONFIG_64BIT */ 147 148 #endif /* _ASM_GENERIC_FCNTL_H */ 149