n:    1,
		args: uintptr(unsafe.Pointer(&path)),
	}
	asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&call))
	return call.err
}

// like close, but must not split stack, for forkx.
//
//go:nosplit
//go:linkname syscall_close
func syscall_close(fd int32) int32 {
	return int32(sysvicall1(&libc_close, uintptr(fd)))
}

const _F_DUP2FD = 0x9

//go:nosplit

// return value is only set on linux to be used in osinit().
func madvise(addr unsafe.Pointer, n uintptr, flags int32) int32

// exitThread terminates the current thread, writing *wait = freeMStack when
// the stack is safe to reclaim.
//
//go:noescape
func exitThread(wait *atomic.Uint32)

//go:noescape
func obsdsigprocmask(how int32, new sigset) sigset

//go:nosplit
//go:nowritebarrierrec

	//
	// To observe the monitor in action, replace the entire text
	// of this comment with "Output:" and run this command:
	//
	//    $ go test -run=ExampleSetCrashOutput_monitor runtime/debug
	//    panic: oops
	//    ...stack...
	//    monitor: saved crash report at /tmp/10804884239807998216.crash
}

// appmain represents the 'main' function of your application.
func appmain() {
	monitor()

	// Run the application.
	println("hello")

// they might have been locked at the time of the fork. This means
// no rescheduling, no malloc calls, and no new stack segments.
// For the same reason compiler does not race instrument it.
// The calls to rawSyscall are okay because they are assembly
// functions that do not grow the stack.
//
//go:norace

		// so we don't need to use mp.locks
		// on the fast path, which is that the
		// first attempt succeeds.
		x, ok := c.Next()
		if ok {
			return x
		}
		mp.locks++ // hold m even though c.Refill may do stack split checks
		c.Refill()
		mp.locks--
	}
}

// mrandinit initializes the random state of an m.
func mrandinit(mp *m) {
	var seed [4]uint64
	for i := range seed {
		seed[i] = bootstrapRand()

	AIf
	AElse

	AEnd // opcode 0x0B
	ABr
	ABrIf
	ABrTable
	// ACall and AReturn are WebAssembly instructions. obj.ACALL and obj.ARET are higher level instructions
	// with Go semantics, e.g. they manipulate the Go stack on the linear memory.
	AReturn
	ACall
	ACallIndirect

	ADrop // opcode 0x1A
	ASelect

	ALocalGet // opcode 0x20
	ALocalSet
	ALocalTee
	AGlobalGet
	AGlobalSet

	AI32Load // opcode 0x28

}

// Pointer returns the pointer from a taggedPointer.
func (tp taggedPointer) pointer() unsafe.Pointer {
	if GOARCH == "amd64" {
		// amd64 systems can place the stack above the VA hole, so we need to sign extend
		// val before unpacking.
		return unsafe.Pointer(uintptr(int64(tp) >> tagBits << 3))
	}
	if GOOS == "aix" {
		return unsafe.Pointer(uintptr((tp >> aixTagBits << 3) | 0xa<<56))

			}
		}
	}
	return ifat, nil
}

func newAddr(ifam *syscall.IfAddrmsg, attrs []syscall.NetlinkRouteAttr) Addr {
	var ipPointToPoint bool
	// Seems like we need to make sure whether the IP interface
	// stack consists of IP point-to-point numbered or unnumbered
	// addressing.
	for _, a := range attrs {
		if a.Attr.Type == syscall.IFA_LOCAL {
			ipPointToPoint = true
			break
		}
	}
	for _, a := range attrs {

)

func assert(p bool) {
	if !p {
		msg := "assertion failed"
		// Include information about the assertion location. Due to panic recovery,
		// this location is otherwise buried in the middle of the panicking stack.
		if _, file, line, ok := runtime.Caller(1); ok {
			msg = fmt.Sprintf("%s:%d: %s", file, line, msg)
		}
		panic(msg)
	}
}

// An errorDesc describes part of a type-checking error.
type errorDesc struct {

// This file implements API tests across platforms and will never have a build
// tag.

package net

import (
	"internal/testenv"
	"os"
	"runtime"
	"testing"
	"time"
)

// The full stack test cases for IPConn have been moved to the
// following:
//	golang.org/x/net/ipv4
//	golang.org/x/net/ipv6
//	golang.org/x/net/icmp

func TestTCPListenerSpecificMethods(t *testing.T) {
	switch runtime.GOOS {