33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
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#ifndef _ASM_GENERIC_FCNTL_H
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#define _ASM_GENERIC_FCNTL_H
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#define O_ACCMODE 0003
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#define O_RDONLY 0000
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#define O_WRONLY 0001
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#define O_RDWR 0002
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#define F_DUPFD 0 /* dup */
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#define F_GETFD 1 /* get close_on_exec */
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#define F_SETFD 2 /* set/clear close_on_exec */
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#define F_GETFL 3 /* get file->f_flags */
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#define F_SETFL 4 /* set file->f_flags */
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/* for F_[GET|SET]FL */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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/* operations for bsd flock(), also used by the kernel implementation */
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#define LOCK_SH 1 /* shared lock */
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#define LOCK_EX 2 /* exclusive lock */
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#define LOCK_NB 4 /* or'd with one of the above to prevent
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blocking */
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#define LOCK_UN 8 /* remove lock */
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#define LOCK_MAND 32 /* This is a mandatory flock ... */
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#define LOCK_READ 64 /* which allows concurrent read operations */
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#define LOCK_WRITE 128 /* which allows concurrent write operations */
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#define LOCK_RW 192 /* which allows concurrent read & write ops */
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#define F_LINUX_SPECIFIC_BASE 1024
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#endif /* _ASM_GENERIC_FCNTL_H */
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