2023-04-26 20:20:43 -04:00
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//go:build darwin || dragonfly || freebsd || netbsd || openbsd
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2019-04-19 07:03:37 -04:00
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// +build darwin dragonfly freebsd netbsd openbsd
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package pty
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// from <sys/ioccom.h>
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const (
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_IOC_VOID uintptr = 0x20000000
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_IOC_OUT uintptr = 0x40000000
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_IOC_IN uintptr = 0x80000000
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_IOC_IN_OUT uintptr = _IOC_OUT | _IOC_IN
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_IOC_DIRMASK = _IOC_VOID | _IOC_OUT | _IOC_IN
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_IOC_PARAM_SHIFT = 13
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_IOC_PARAM_MASK = (1 << _IOC_PARAM_SHIFT) - 1
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)
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func _IOC_PARM_LEN(ioctl uintptr) uintptr {
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return (ioctl >> 16) & _IOC_PARAM_MASK
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}
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func _IOC(inout uintptr, group byte, ioctl_num uintptr, param_len uintptr) uintptr {
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return inout | (param_len&_IOC_PARAM_MASK)<<16 | uintptr(group)<<8 | ioctl_num
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}
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func _IO(group byte, ioctl_num uintptr) uintptr {
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return _IOC(_IOC_VOID, group, ioctl_num, 0)
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}
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func _IOR(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
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return _IOC(_IOC_OUT, group, ioctl_num, param_len)
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}
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func _IOW(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
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return _IOC(_IOC_IN, group, ioctl_num, param_len)
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}
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func _IOWR(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
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return _IOC(_IOC_IN_OUT, group, ioctl_num, param_len)
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}
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