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 // +build !plan9 6 // +build !solaris 7 // +build !windows 8 // +build !nacl 9 // +build !linux !amd64 10 11 package runtime 12 13 import "unsafe" 14 15 // mmap calls the mmap system call. It is implemented in assembly. 16 // We only pass the lower 32 bits of file offset to the 17 // assembly routine; the higher bits (if required), should be provided 18 // by the assembly routine as 0. 19 // The err result is an OS error code such as ENOMEM. 20 func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (p unsafe.Pointer, err int) 21 22 // munmap calls the munmap system call. It is implemented in assembly. 23 func munmap(addr unsafe.Pointer, n uintptr) 24
