//go:build darwin || freebsd || openbsd || netbsd
// +build darwin freebsd openbsd netbsd

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//

//go:build darwin || freebsd || dragonfly || openbsd || solaris
// +build darwin freebsd dragonfly openbsd solaris

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or

	echo 'race detector is only supported on linux/amd64, linux/ppc64le, linux/arm64, linux/s390x, freebsd/amd64, netbsd/amd64, openbsd/amd64, darwin/amd64, and darwin/arm64' 1>&2
	exit 1
}

case $(uname -s -m) in
  "Darwin x86_64") ;;
  "Darwin arm64")  ;;
  "Linux x86_64")  ;;
  "Linux ppc64le") ;;
  "Linux aarch64") ;;
  "Linux s390x")   ;;
  "FreeBSD amd64") ;;
  "NetBSD amd64")  ;;
  "OpenBSD amd64") ;;
  *) usage         ;;
esac

//go:build windows || darwin || freebsd
// +build windows darwin freebsd

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//

//go:build freebsd || openbsd || netbsd
// +build freebsd openbsd netbsd

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build (darwin && !ios) || dragonfly || freebsd || solaris

package net

import (
	"internal/poll"
	"io"
	"io/fs"
	"syscall"
)

const supportsSendfile = true

// sendFile copies the contents of r to c using the sendfile
// system call to minimize copies.
//

//go:build windows || darwin || freebsd
// +build windows darwin freebsd

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//

//go:build !linux && !netbsd && !freebsd && !darwin && !openbsd
// +build !linux,!netbsd,!freebsd,!darwin,!openbsd

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or

//go:build freebsd || linux || darwin
// +build freebsd linux darwin

/*
Copyright 2018 The Kubernetes Authors.

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

//go:build !freebsd && !linux && !windows && !darwin
// +build !freebsd,!linux,!windows,!darwin

/*
Copyright 2017 The Kubernetes Authors.

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