44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
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// Copyright 2021 The TCell Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use file except in compliance with the License.
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// You may obtain a copy of the license at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build darwin || dragonfly || freebsd || netbsd || openbsd
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// +build darwin dragonfly freebsd netbsd openbsd
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package tcell
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import (
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"syscall"
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"golang.org/x/sys/unix"
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)
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// BSD systems use TIOC style ioctls.
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// tcSetBufParams is used by the tty driver on UNIX systems to configure the
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// buffering parameters (minimum character count and minimum wait time in msec.)
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// This also waits for output to drain first.
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func tcSetBufParams(fd int, vMin uint8, vTime uint8) error {
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_ = syscall.SetNonblock(fd, true)
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tio, err := unix.IoctlGetTermios(fd, unix.TIOCGETA)
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if err != nil {
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return err
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}
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tio.Cc[unix.VMIN] = vMin
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tio.Cc[unix.VTIME] = vTime
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if err = unix.IoctlSetTermios(fd, unix.TIOCSETAW, tio); err != nil {
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return err
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}
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return nil
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}
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