1// +build darwin dragonfly freebsd netbsd openbsd 2 3package pty 4 5// from <sys/ioccom.h> 6const ( 7 _IOC_VOID uintptr = 0x20000000 8 _IOC_OUT uintptr = 0x40000000 9 _IOC_IN uintptr = 0x80000000 10 _IOC_IN_OUT uintptr = _IOC_OUT | _IOC_IN 11 _IOC_DIRMASK = _IOC_VOID | _IOC_OUT | _IOC_IN 12 13 _IOC_PARAM_SHIFT = 13 14 _IOC_PARAM_MASK = (1 << _IOC_PARAM_SHIFT) - 1 15) 16 17func _IOC_PARM_LEN(ioctl uintptr) uintptr { 18 return (ioctl >> 16) & _IOC_PARAM_MASK 19} 20 21func _IOC(inout uintptr, group byte, ioctl_num uintptr, param_len uintptr) uintptr { 22 return inout | (param_len&_IOC_PARAM_MASK)<<16 | uintptr(group)<<8 | ioctl_num 23} 24 25func _IO(group byte, ioctl_num uintptr) uintptr { 26 return _IOC(_IOC_VOID, group, ioctl_num, 0) 27} 28 29func _IOR(group byte, ioctl_num uintptr, param_len uintptr) uintptr { 30 return _IOC(_IOC_OUT, group, ioctl_num, param_len) 31} 32 33func _IOW(group byte, ioctl_num uintptr, param_len uintptr) uintptr { 34 return _IOC(_IOC_IN, group, ioctl_num, param_len) 35} 36 37func _IOWR(group byte, ioctl_num uintptr, param_len uintptr) uintptr { 38 return _IOC(_IOC_IN_OUT, group, ioctl_num, param_len) 39} 40