| package pty |
| |
| // from <asm-generic/ioctl.h> |
| const ( |
| _IOC_NRBITS = 8 |
| _IOC_TYPEBITS = 8 |
| |
| _IOC_SIZEBITS = 14 |
| _IOC_DIRBITS = 2 |
| |
| _IOC_NRSHIFT = 0 |
| _IOC_TYPESHIFT = _IOC_NRSHIFT + _IOC_NRBITS |
| _IOC_SIZESHIFT = _IOC_TYPESHIFT + _IOC_TYPEBITS |
| _IOC_DIRSHIFT = _IOC_SIZESHIFT + _IOC_SIZEBITS |
| |
| _IOC_NONE uint = 0 |
| _IOC_WRITE uint = 1 |
| _IOC_READ uint = 2 |
| ) |
| |
| func _IOC(dir uint, ioctl_type byte, nr byte, size uintptr) uintptr { |
| return (uintptr(dir)<<_IOC_DIRSHIFT | |
| uintptr(ioctl_type)<<_IOC_TYPESHIFT | |
| uintptr(nr)<<_IOC_NRSHIFT | |
| size<<_IOC_SIZESHIFT) |
| } |
| |
| func _IO(ioctl_type byte, nr byte) uintptr { |
| return _IOC(_IOC_NONE, ioctl_type, nr, 0) |
| } |
| |
| func _IOR(ioctl_type byte, nr byte, size uintptr) uintptr { |
| return _IOC(_IOC_READ, ioctl_type, nr, size) |
| } |
| |
| func _IOW(ioctl_type byte, nr byte, size uintptr) uintptr { |
| return _IOC(_IOC_WRITE, ioctl_type, nr, size) |
| } |
| |
| func _IOWR(ioctl_type byte, nr byte, size uintptr) uintptr { |
| return _IOC(_IOC_READ|_IOC_WRITE, ioctl_type, nr, size) |
| } |
