1 #ifndef _X86_64_FCNTL_H 2 #define _X86_64_FCNTL_H 3 4 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files 5 located on an ext2 file system */ 6 #define O_ACCMODE 0003 7 #define O_RDONLY 00 8 #define O_WRONLY 01 9 #define O_RDWR 02 10 #define O_CREAT 0100 /* not fcntl */ 11 #define O_EXCL 0200 /* not fcntl */ 12 #define O_NOCTTY 0400 /* not fcntl */ 13 #define O_TRUNC 01000 /* not fcntl */ 14 #define O_APPEND 02000 15 #define O_NONBLOCK 04000 16 #define O_NDELAY O_NONBLOCK 17 #define O_SYNC 010000 18 #define FASYNC 020000 /* fcntl, for BSD compatibility */ 19 #define O_DIRECT 040000 /* direct disk access hint */ 20 #define O_LARGEFILE 0100000 21 #define O_DIRECTORY 0200000 /* must be a directory */ 22 #define O_NOFOLLOW 0400000 /* don't follow links */ 23 24 #define F_DUPFD 0 /* dup */ 25 #define F_GETFD 1 /* get close_on_exec */ 26 #define F_SETFD 2 /* set/clear close_on_exec */ 27 #define F_GETFL 3 /* get file->f_flags */ 28 #define F_SETFL 4 /* set file->f_flags */ 29 #define F_GETLK 5 30 #define F_SETLK 6 31 #define F_SETLKW 7 32 33 #define F_SETOWN 8 /* for sockets. */ 34 #define F_GETOWN 9 /* for sockets. */ 35 #define F_SETSIG 10 /* for sockets. */ 36 #define F_GETSIG 11 /* for sockets. */ 37 38 /* for F_[GET|SET]FL */ 39 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 40 41 /* for posix fcntl() and lockf() */ 42 #define F_RDLCK 0 43 #define F_WRLCK 1 44 #define F_UNLCK 2 45 46 /* for old implementation of bsd flock () */ 47 #define F_EXLCK 4 /* or 3 */ 48 #define F_SHLCK 8 /* or 4 */ 49 50 /* for leases */ 51 #define F_INPROGRESS 16 52 53 /* operations for bsd flock(), also used by the kernel implementation */ 54 #define LOCK_SH 1 /* shared lock */ 55 #define LOCK_EX 2 /* exclusive lock */ 56 #define LOCK_NB 4 /* or'd with one of the above to prevent 57 blocking */ 58 #define LOCK_UN 8 /* remove lock */ 59 60 #define LOCK_MAND 32 /* This is a mandatory flock */ 61 #define LOCK_READ 64 /* ... Which allows concurrent read operations */ 62 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ 63 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ 64 65 struct flock { 66 short l_type; 67 short l_whence; 68 off_t l_start; 69 off_t l_len; 70 pid_t l_pid; 71 }; 72 73 #define F_LINUX_SPECIFIC_BASE 1024 74 75 #ifdef __KERNEL__ 76 #define flock64 flock 77 #endif 78 79 #endif /* !_X86_64_FCNTL_H */ 80