// 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 wasip1

package unix

import (
	"syscall"
	_ "unsafe"
)

func RecvfromInet4(fd int, p []byte, flags int, from *syscall.SockaddrInet4) (int, error) {
	return 0, syscall.ENOSYS
}

// Copyright 2016 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 unix || (js && wasm) || wasip1

package os_test

import (
	"io/fs"
	"os"
	"syscall"
)

func init() {
	isExistTests = append(isExistTests,
		isExistTest{err: &fs.PathError{Err: syscall.EEXIST}, is: true, isnot: false},

// 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 wasip1

package runtime

// wasm has no support for threads yet. There is no preemption.
// See proposal: https://github.com/WebAssembly/threads
// Waiting for a mutex or timeout is implemented as a busy loop
// while allowing other goroutines to run.

const (

// Copyright 2009 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 unix || js || wasip1 || windows

package net

import (
	"context"
	"internal/poll"
	"net/netip"
	"runtime"
	"syscall"
	_ "unsafe" // for linkname
)

// probe probes IPv4, IPv6 and IPv4-mapped IPv6 communication

// Copyright 2014 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 !aix && !darwin && !js && !openbsd && !plan9 && !solaris && !wasip1 && !windows

package runtime

import (
	"internal/runtime/atomic"
	"unsafe"
)

// read calls the read system call.
// It returns a non-negative number of bytes written or a negative errno value.

// run

//go:build !js && !wasip1

// Copyright 2022 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.

// Issue 52127: Too many syntax errors in many files can
// cause deadlocks instead of displaying error messages
// correctly.

package main

import (
	"bytes"
	"fmt"
	"os"
	"os/exec"
	"path/filepath"
)

func main() {

//   - On other Unix-like systems, Reader reads from /dev/urandom.
//   - On Windows, Reader uses the ProcessPrng API.
//   - On js/wasm, Reader uses the Web Crypto API.
//   - On wasip1/wasm, Reader uses random_get from wasi_snapshot_preview1.
var Reader io.Reader

// Read is a helper function that calls Reader.Read using io.ReadFull.
// On return, n == len(b) if and only if err == nil.

// run

//go:build !js && !wasip1 && gc

// Copyright 2014 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.

package main

import (
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"regexp"
)

func main() {
	err := os.Chdir(filepath.Join("fixedbugs", "issue9355.dir"))
	check(err)

// run

//go:build !nacl && !js && !wasip1 && !gccgo

// Copyright 2019 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.
//
// Ensure that deadlock detection can still
// run even with an import of "_ os/signal".

package main

import (
	"bytes"
	"context"
	"io/ioutil"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"time"
)

	"hurd":      true,
	"illumos":   true,
	"ios":       true,
	"js":        true,
	"linux":     true,
	"nacl":      true,
	"netbsd":    true,
	"openbsd":   true,
	"plan9":     true,
	"solaris":   true,
	"wasip1":    true,
	"windows":   true,
	"zos":       true,
}

// unixOS is the set of GOOS values matched by the "unix" build tag.
// This is not used for filename matching.
// This list also appears in cmd/dist/build.go.