if errno != 0 {
		return 0, 0
	}

	// The version string is in the form "<version>.<update>.<sru>.<build>.<reserved>"
	// on Solaris: https://blogs.oracle.com/solaris/post/whats-in-a-uname-
	// Therefore, we use the Version field on Solaris when available.
	ver := un.Version[:]
	if runtime.GOOS == "illumos" {
		// Illumos distributions use different formats without a parsable

		}
	} else { // Solaris
		if gotSock && gotAccept4 && (major < 11 || (major == 11 && minor < 4)) {
			t.Fatalf("SupportSockNonblockCloexec and SupportAccept4 are true, but kernel version is older than 11.4, Solaris version: %d.%d", major, minor)
		}
		if !gotSock && !gotAccept4 && (major > 11 || (major == 11 && minor >= 4)) {

// license that can be found in the LICENSE file.

//go:build !illumos

package net

import (
	"internal/syscall/unix"
	"runtime"
	"syscall"
	"time"
)

// Some macros of TCP Keep-Alive options on Solaris 11.4 may
// differ from those on OpenSolaris-based derivatives.
const (
	sysTCP_KEEPIDLE  = 0x1D
	sysTCP_KEEPINTVL = 0x1E
	sysTCP_KEEPCNT   = 0x1F
)

func setKeepAliveIdle(fd *netFD, d time.Duration) error {

// Copyright 2023 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 solaris && !illumos

package net

import (
	"internal/syscall/unix"
	"syscall"
	"testing"
	"time"
)

func getCurrentKeepAliveSettings(fd fdType) (cfg KeepAliveConfig, err error) {
	tcpKeepAlive, err := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_KEEPALIVE)

//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris

// Copyright Istio 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
//

//go:build solaris
// +build 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
// (at your option) any later version.
//

		}); err != nil {
			t.Fatal(err)
		}
		if errHook != nil {
			t.Fatal(errHook)
		}

		err = c.(*TCPConn).SetKeepAliveConfig(cfg)
		if err != nil {
			if runtime.GOOS == "solaris" {
				// Solaris prior to 11.4 does not support TCP_KEEPINTVL and TCP_KEEPCNT,
				// so it will return syscall.ENOPROTOOPT when only one of Interval and Count
				// is negative. This is expected, so skip the error check in this case.

// This file implements accept for platforms that provide a fast path for
// setting SetNonblock and CloseOnExec, but don't necessarily have accept4.
// The accept4(3c) function was added to Oracle Solaris in the Solaris 11.4.0
// release. Thus, on releases prior to 11.4, we fall back to the combination
// of accept(3c) and fcntl(2).

package poll

import (
	"internal/syscall/unix"
	"syscall"
)

func TestProcessAlreadyDone(t *testing.T) {
	// Theoretically MaxInt32 is a valid PID, but the chance of it actually
	// being used is extremely unlikely.
	pid := math.MaxInt32
	if runtime.GOOS == "solaris" || runtime.GOOS == "illumos" {
		// Solaris/Illumos have a lower limit, above which wait returns
		// EINVAL (see waitid in usr/src/uts/common/os/exit.c in
		// illumos). This is configurable via sysconf(_SC_MAXPID), but

	// 1024 and this seems conservative enough for now. Darwin's
	// UIO_MAXIOV also seems to be 1024.
	maxVec := 1024
	if runtime.GOOS == "aix" || runtime.GOOS == "solaris" {
		// IOV_MAX is set to XOPEN_IOV_MAX on AIX and Solaris.
		maxVec = 16
	}

	var n int64
	var err error
	for len(*v) > 0 {
		iovecs = iovecs[:0]
		for _, chunk := range *v {
			if len(chunk) == 0 {
				continue
			}