// 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.

package net

import (
	"os"
	"runtime"
	"syscall"
)

func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
	ip, err := interfaceToIPv4Addr(ifi)
	if err != nil {
		return os.NewSyscallError("setsockopt", err)
	}
	var a [4]byte
	copy(a[:], ip.To4())

// Copyright 2015 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 gc

#include "textflag.h"

// try to run "vmov.f64 d0, d0" instruction
TEXT ·useVFPv1(SB),NOSPLIT,$0
	WORD $0xeeb00b40	// vmov.f64 d0, d0
	RET

// try to run VFPv3-only "vmov.f64 d0, #112" instruction
TEXT ·useVFPv3(SB),NOSPLIT,$0
	WORD $0xeeb70b00	// vmov.f64 d0, #112

// 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.

package sync

import (
	"sync/atomic"
	"unsafe"
)

// Cond implements a condition variable, a rendezvous point
// for goroutines waiting for or announcing the occurrence
// of an event.
//
// Each Cond has an associated Locker L (often a [*Mutex] or [*RWMutex]),

// -lang=go1.17

// 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.

// type declarations

package p // don't permit non-interface elements in interfaces

import "unsafe"

const pi = 3.1415

type (
	N undefined /* ERROR "undefined" */
	B bool
	I int32
	A [10]P
	T struct {
		x, y P
	}
	P *T
	R (*R)

// Copyright 2013 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 arm && netbsd

package unix

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: int32(nsec)}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: int32(usec)}
}

func SetKevent(k *Kevent_t, fd, mode, flags int) {

// Copyright 2015 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 net

import "internal/poll"

var (
	// Placeholders for saving original socket system calls.
	origWSASocket   = wsaSocketFunc
	origClosesocket = poll.CloseFunc
	origConnect     = connectFunc
	origConnectEx   = poll.ConnectExFunc
	origListen      = listenFunc

// Copyright 2013 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

package exec_test

import (
	"os"
	"os/exec"
	"testing"
)

func TestLookPathUnixEmptyPath(t *testing.T) {
	// Not parallel: uses Chdir and Setenv.

	tmp := t.TempDir()
	chdir(t, tmp)

	f, err := os.OpenFile("exec_me", os.O_CREATE|os.O_EXCL, 0700)

// run

// Does not work with gccgo, which uses a smaller (but still permitted)
// exponent size.
//go:build !gccgo

// Copyright 2015 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

// Tests for golang.org/issue/11326.

func main() {
	{
		const n = 1e646456992
		const d = 1e646456991
		x := n / d
		if x != 10.0 {

// Code generated by "go test -run=Generate -write=all"; DO NOT EDIT.
// Source: ../../cmd/compile/internal/types2/pointer.go

// 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.

package types

// A Pointer represents a pointer type.
type Pointer struct {
	base Type // element type
}

#!/bin/bash
# Copyright 2012 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.

# This script rebuilds the time zone files using files
# downloaded from the ICANN/IANA distribution.
#
# To prepare an update for a new Go release,
# consult https://www.iana.org/time-zones for the latest versions,
# update CODE and DATA below, and then run
#
#	./update.bash -commit