| // +build darwin dragonfly freebsd netbsd openbsd |
| |
| package pty |
| |
| // from <sys/ioccom.h> |
| const ( |
| _IOC_VOID uintptr = 0x20000000 |
| _IOC_OUT uintptr = 0x40000000 |
| _IOC_IN uintptr = 0x80000000 |
| _IOC_IN_OUT uintptr = _IOC_OUT | _IOC_IN |
| _IOC_DIRMASK = _IOC_VOID | _IOC_OUT | _IOC_IN |
| |
| _IOC_PARAM_SHIFT = 13 |
| _IOC_PARAM_MASK = (1 << _IOC_PARAM_SHIFT) - 1 |
| ) |
| |
| func _IOC_PARM_LEN(ioctl uintptr) uintptr { |
| return (ioctl >> 16) & _IOC_PARAM_MASK |
| } |
| |
| func _IOC(inout uintptr, group byte, ioctl_num uintptr, param_len uintptr) uintptr { |
| return inout | (param_len&_IOC_PARAM_MASK)<<16 | uintptr(group)<<8 | ioctl_num |
| } |
| |
| func _IO(group byte, ioctl_num uintptr) uintptr { |
| return _IOC(_IOC_VOID, group, ioctl_num, 0) |
| } |
| |
| func _IOR(group byte, ioctl_num uintptr, param_len uintptr) uintptr { |
| return _IOC(_IOC_OUT, group, ioctl_num, param_len) |
| } |
| |
| func _IOW(group byte, ioctl_num uintptr, param_len uintptr) uintptr { |
| return _IOC(_IOC_IN, group, ioctl_num, param_len) |
| } |
| |
| func _IOWR(group byte, ioctl_num uintptr, param_len uintptr) uintptr { |
| return _IOC(_IOC_IN_OUT, group, ioctl_num, param_len) |
| } |
