gcMemoryLimit(100)
}

func GCMemoryLimitNoGCPercent() {
	gcMemoryLimit(-1)
}

// Test SetMemoryLimit functionality.
//
// This test lives here instead of runtime/debug because the entire
// implementation is in the runtime, and testprog gives us a more
// consistent testing environment to help avoid flakiness.
func gcMemoryLimit(gcPercent int) {
	if oldProcs := runtime.GOMAXPROCS(4); oldProcs < 4 {

		// somehow create an infinite loop.
		//
		// Note that in the current implementation (Go 1.20) both
		// routines are assembly stubs that forward calls to the
		// internal/runtime/atomic equivalents, hence the infinite
		// loop scenario is purely theoretical (maybe if in some
		// future implementation one of these functions might be
		// written in Go). See #57445 for more details.

	// The unit is Unicode code points.
	Width() (wid int, ok bool)
	// Because ReadRune is implemented by the interface, Read should never be
	// called by the scanning routines and a valid implementation of
	// ScanState may choose always to return an error from Read.
	Read(buf []byte) (n int, err error)
}

// Scanner is implemented by any value that has a Scan method, which scans

// but it is also input to mksyscall,
// which parses the //sys lines and generates system call stubs.
// Note that sometimes we use a lowercase //sys name and
// wrap it in our own nicer implementation.

package unix

import "unsafe"

/*
 * Wrapped
 */

func Access(path string, mode uint32) (err error) {
	return Faccessat(AT_FDCWD, path, mode, 0)
}

// but it is also input to mksyscall,
// which parses the //sys lines and generates system call stubs.
// Note that sometimes we use a lowercase //sys name and wrap
// it in our own nicer implementation, either here or in
// syscall_solaris.go or syscall_unix.go.

package syscall

import "unsafe"

const _F_DUP2FD_CLOEXEC = F_DUP2FD_CLOEXEC

		// our total assist time.
		return
	}
	if l.transitioning {
		throw("update during transition")
	}
	l.updateLocked(now)
	l.unlock()
}

// updateLocked is the implementation of update. l.lock must be held.
func (l *gcCPULimiterState) updateLocked(now int64) {
	lastUpdate := l.lastUpdate.Load()
	if now < lastUpdate {
		// Defensively avoid overflow. This isn't even the latest update anyway.

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file contains main runtime AIX syscalls.
// Pollset syscalls are in netpoll_aix.go.
// The implementation is based on Solaris and Windows.
// Each syscall is made by calling its libc symbol using asmcgocall and asmsyscall6
// assembly functions.

package runtime

import (
	"unsafe"
)

// 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.

// Implementation of runtime/debug.WriteHeapDump. Writes all
// objects in the heap plus additional info (roots, threads,
// finalizers, etc.) to a file.

// The format of the dumped file is described at
// https://golang.org/s/go15heapdump.

package runtime

import (
	"internal/abi"

}

// DevNull is the name of the operating system's “null device.”
// On Unix-like systems, it is "/dev/null"; on Windows, "NUL".
const DevNull = "NUL"

// openFileNolog is the Windows implementation of OpenFile.
func openFileNolog(name string, flag int, perm FileMode) (*File, error) {
	if name == "" {
		return nil, &PathError{Op: "open", Path: name, Err: syscall.ENOENT}
	}
	path := fixLongPath(name)

// Copyright 2017 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.

// The vectorized implementation found below is a derived work
// from code written by Anton Blanchard <******@****.***> found
// at https://github.com/antonblanchard/crc32-vpmsum.  The original
// is dual licensed under GPL and Apache 2.  As the copyright holder