| Stephen Rothwell | 9317259 | 2005-09-06 15:17:57 -0700 | [diff] [blame^] | 1 | #ifndef _ASM_GENERIC_FCNTL_H |
| 2 | #define _ASM_GENERIC_FCNTL_H |
| 3 | |
| 4 | #define O_ACCMODE 0003 |
| 5 | #define O_RDONLY 0000 |
| 6 | #define O_WRONLY 0001 |
| 7 | #define O_RDWR 0002 |
| 8 | |
| 9 | #define F_DUPFD 0 /* dup */ |
| 10 | #define F_GETFD 1 /* get close_on_exec */ |
| 11 | #define F_SETFD 2 /* set/clear close_on_exec */ |
| 12 | #define F_GETFL 3 /* get file->f_flags */ |
| 13 | #define F_SETFL 4 /* set file->f_flags */ |
| 14 | |
| 15 | /* for F_[GET|SET]FL */ |
| 16 | #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ |
| 17 | |
| 18 | /* operations for bsd flock(), also used by the kernel implementation */ |
| 19 | #define LOCK_SH 1 /* shared lock */ |
| 20 | #define LOCK_EX 2 /* exclusive lock */ |
| 21 | #define LOCK_NB 4 /* or'd with one of the above to prevent |
| 22 | blocking */ |
| 23 | #define LOCK_UN 8 /* remove lock */ |
| 24 | |
| 25 | #define LOCK_MAND 32 /* This is a mandatory flock ... */ |
| 26 | #define LOCK_READ 64 /* which allows concurrent read operations */ |
| 27 | #define LOCK_WRITE 128 /* which allows concurrent write operations */ |
| 28 | #define LOCK_RW 192 /* which allows concurrent read & write ops */ |
| 29 | |
| 30 | #define F_LINUX_SPECIFIC_BASE 1024 |
| 31 | |
| 32 | #endif /* _ASM_GENERIC_FCNTL_H */ |