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 /* for F_[GET|SET]FL */ 78 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 79 80 /* for posix fcntl() and lockf() */ 81 #ifndef F_RDLCK 82 #define F_RDLCK 0 83 #define F_WRLCK 1 84 #define F_UNLCK 2 85 #endif 86 87 /* for old implementation of bsd flock () */ 88 #ifndef F_EXLCK 89 #define F_EXLCK 4 /* or 3 */ 90 #define F_SHLCK 8 /* or 4 */ 91 #endif 92 93 /* for leases */ 94 #ifndef F_INPROGRESS 95 #define F_INPROGRESS 16 96 #endif 97 98 /* operations for bsd flock(), also used by the kernel implementation */ 99 #define LOCK_SH 1 /* shared lock */ 100 #define LOCK_EX 2 /* exclusive lock */ 101 #define LOCK_NB 4 /* or'd with one of the above to prevent 102 blocking */ 103 #define LOCK_UN 8 /* remove lock */ 104 105 #define LOCK_MAND 32 /* This is a mandatory flock ... */ 106 #define LOCK_READ 64 /* which allows concurrent read operations */ 107 #define LOCK_WRITE 128 /* which allows concurrent write operations */ 108 #define LOCK_RW 192 /* which allows concurrent read & write ops */ 109 110 #define F_LINUX_SPECIFIC_BASE 1024 111 112 #ifndef HAVE_ARCH_STRUCT_FLOCK 113 #ifndef __ARCH_FLOCK_PAD 114 #define __ARCH_FLOCK_PAD 115 #endif 116 117 struct flock { 118 short l_type; 119 short l_whence; 120 off_t l_start; 121 off_t l_len; 122 pid_t l_pid; 123 __ARCH_FLOCK_PAD 124 }; 125 #endif 126 127 #ifndef CONFIG_64BIT 128 129 #ifndef F_GETLK64 130 #define F_GETLK64 12 /* using 'struct flock64' */ 131 #define F_SETLK64 13 132 #define F_SETLKW64 14 133 #endif 134 135 #ifndef HAVE_ARCH_STRUCT_FLOCK64 136 #ifndef __ARCH_FLOCK64_PAD 137 #define __ARCH_FLOCK64_PAD 138 #endif 139 140 struct flock64 { 141 short l_type; 142 short l_whence; 143 loff_t l_start; 144 loff_t l_len; 145 pid_t l_pid; 146 __ARCH_FLOCK64_PAD 147 }; 148 #endif 149 #endif /* !CONFIG_64BIT */ 150 151 #endif /* _ASM_GENERIC_FCNTL_H */ 152
