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io_linux.go
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/
io_linux.go
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// Copyright (c) 2021 Andy Pan
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build linux
// +build linux
package io
import "golang.org/x/sys/unix"
// Writev calls writev() on Linux.
func Writev(fd int, iov [][]byte) (int, error) {
if len(iov) == 0 {
return 0, nil
}
return unix.Writev(fd, iov)
}
// Readv calls readv() on Linux.
func Readv(fd int, iov [][]byte) (int, error) {
if len(iov) == 0 {
return 0, nil
}
return unix.Readv(fd, iov)
}