1// Copyright 2015 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5//go:build !aix && !darwin && !js && !((linux && (amd64 || arm64 || loong64)) || (freebsd && amd64)) && !openbsd && !plan9 && !solaris && !windows 6 7package runtime 8 9import "unsafe" 10 11// mmap calls the mmap system call. It is implemented in assembly. 12// We only pass the lower 32 bits of file offset to the 13// assembly routine; the higher bits (if required), should be provided 14// by the assembly routine as 0. 15// The err result is an OS error code such as ENOMEM. 16func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (p unsafe.Pointer, err int) 17 18// munmap calls the munmap system call. It is implemented in assembly. 19func munmap(addr unsafe.Pointer, n uintptr) 20