1 #ifndef _ALPHA_FCNTL_H 2 #define _ALPHA_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 01000 /* not fcntl */ 11 #define O_TRUNC 02000 /* not fcntl */ 12 #define O_EXCL 04000 /* not fcntl */ 13 #define O_NOCTTY 010000 /* not fcntl */ 14 15 #define O_NONBLOCK 00004 16 #define O_APPEND 00010 17 #define O_NDELAY O_NONBLOCK 18 #define O_SYNC 040000 19 #define FASYNC 020000 /* fcntl, for BSD compatibility */ 20 #define O_DIRECTORY 0100000 /* must be a directory */ 21 #define O_NOFOLLOW 0200000 /* don't follow links */ 22 #define O_LARGEFILE 0400000 /* will be set by the kernel on every open */ 23 #define O_DIRECT 02000000 /* direct disk access - should check with OSF/1 */ 24 25 #define F_DUPFD 0 /* dup */ 26 #define F_GETFD 1 /* get close_on_exec */ 27 #define F_SETFD 2 /* set/clear close_on_exec */ 28 #define F_GETFL 3 /* get file->f_flags */ 29 #define F_SETFL 4 /* set file->f_flags */ 30 #define F_GETLK 7 31 #define F_SETLK 8 32 #define F_SETLKW 9 33 34 #define F_SETOWN 5 /* for sockets. */ 35 #define F_GETOWN 6 /* for sockets. */ 36 #define F_SETSIG 10 /* for sockets. */ 37 #define F_GETSIG 11 /* for sockets. */ 38 39 /* for F_[GET|SET]FL */ 40 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 41 42 /* for posix fcntl() and lockf() */ 43 #define F_RDLCK 1 44 #define F_WRLCK 2 45 #define F_UNLCK 8 46 47 /* for old implementation of bsd flock () */ 48 #define F_EXLCK 16 /* or 3 */ 49 #define F_SHLCK 32 /* or 4 */ 50 51 #define F_INPROGRESS 64 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 #define LOCK_MAND 32 /* This is a mandatory flock */ 60 #define LOCK_READ 64 /* ... Which allows concurrent read operations */ 61 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ 62 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ 63 64 struct flock { 65 short l_type; 66 short l_whence; 67 __kernel_off_t l_start; 68 __kernel_off_t l_len; 69 __kernel_pid_t l_pid; 70 }; 71 72 #ifdef __KERNEL__ 73 #define flock64 flock 74 #endif 75 #define F_LINUX_SPECIFIC_BASE 1024 76 77 #endif 78