|  | // 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. | 
|  |  | 
|  | // +build !plan9 | 
|  | // +build !solaris | 
|  | // +build !windows | 
|  | // +build !nacl | 
|  | // +build !linux !amd64 | 
|  | // +build !linux !arm64 | 
|  | // +build !js | 
|  | // +build !darwin | 
|  | // +build !aix | 
|  |  | 
|  | package runtime | 
|  |  | 
|  | import "unsafe" | 
|  |  | 
|  | // mmap calls the mmap system call. It is implemented in assembly. | 
|  | // We only pass the lower 32 bits of file offset to the | 
|  | // assembly routine; the higher bits (if required), should be provided | 
|  | // by the assembly routine as 0. | 
|  | // The err result is an OS error code such as ENOMEM. | 
|  | func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (p unsafe.Pointer, err int) | 
|  |  | 
|  | // munmap calls the munmap system call. It is implemented in assembly. | 
|  | func munmap(addr unsafe.Pointer, n uintptr) |