1 #ifndef __ASM_SH_FCNTL_H 2 #define __ASM_SH_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 - currently ignored */ 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 #define F_GETLK64 12 /* using 'struct flock64' */ 39 #define F_SETLK64 13 40 #define F_SETLKW64 14 41 42 /* for F_[GET|SET]FL */ 43 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 44 45 /* for posix fcntl() and lockf() */ 46 #define F_RDLCK 0 47 #define F_WRLCK 1 48 #define F_UNLCK 2 49 50 /* for old implementation of bsd flock () */ 51 #define F_EXLCK 4 /* or 3 */ 52 #define F_SHLCK 8 /* or 4 */ 53 54 /* for leases */ 55 #define F_INPROGRESS 16 56 57 /* operations for bsd flock(), also used by the kernel implementation */ 58 #define LOCK_SH 1 /* shared lock */ 59 #define LOCK_EX 2 /* exclusive lock */ 60 #define LOCK_NB 4 /* or'd with one of the above to prevent 61 blocking */ 62 #define LOCK_UN 8 /* remove lock */ 63 64 #define LOCK_MAND 32 /* This is a mandatory flock */ 65 #define LOCK_READ 64 /* ... Which allows concurrent read operations */ 66 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ 67 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ 68 69 struct flock { 70 short l_type; 71 short l_whence; 72 off_t l_start; 73 off_t l_len; 74 pid_t l_pid; 75 }; 76 77 struct flock64 { 78 short l_type; 79 short l_whence; 80 loff_t l_start; 81 loff_t l_len; 82 pid_t l_pid; 83 }; 84 85 #define F_LINUX_SPECIFIC_BASE 1024 86 #endif /* __ASM_SH_FCNTL_H */ 87 88