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88e4fdb5b4
Add _IOC macros (<sys/ioccom.h>, <asm-generic/ioctl.h>) for linux and bsd's, unify ioctl() calls. FreeBSD: use modern pts(4) interface instead of the old pty(4) one
43 lines
996 B
Go
43 lines
996 B
Go
package pty
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// from <asm-generic/ioctl.h>
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const (
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_IOC_NRBITS = 8
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_IOC_TYPEBITS = 8
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_IOC_SIZEBITS = 14
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_IOC_DIRBITS = 2
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_IOC_NRSHIFT = 0
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_IOC_TYPESHIFT = _IOC_NRSHIFT + _IOC_NRBITS
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_IOC_SIZESHIFT = _IOC_TYPESHIFT + _IOC_TYPEBITS
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_IOC_DIRSHIFT = _IOC_SIZESHIFT + _IOC_SIZEBITS
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_IOC_NONE uint = 0
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_IOC_WRITE uint = 1
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_IOC_READ uint = 2
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)
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func _IOC(dir uint, ioctl_type byte, nr byte, size uintptr) uintptr {
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return (uintptr(dir)<<_IOC_DIRSHIFT |
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uintptr(ioctl_type)<<_IOC_TYPESHIFT |
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uintptr(nr)<<_IOC_NRSHIFT |
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size<<_IOC_SIZESHIFT)
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}
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func _IO(ioctl_type byte, nr byte) uintptr {
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return _IOC(_IOC_NONE, ioctl_type, nr, 0)
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}
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func _IOR(ioctl_type byte, nr byte, size uintptr) uintptr {
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return _IOC(_IOC_READ, ioctl_type, nr, size)
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}
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func _IOW(ioctl_type byte, nr byte, size uintptr) uintptr {
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return _IOC(_IOC_WRITE, ioctl_type, nr, size)
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}
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func _IOWR(ioctl_type byte, nr byte, size uintptr) uintptr {
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return _IOC(_IOC_READ|_IOC_WRITE, ioctl_type, nr, size)
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}
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