Initialize module and dependencies

vendor/golang.org/x/telemetry/internal/mmap/mmap.go

@@ -0,0 +1,36 @@
+// Copyright 2011 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.
+
+// This package is a lightly modified version of the mmap code
+// in github.com/google/codesearch/index.
+
+// The mmap package provides an abstraction for memory mapping files
+// on different platforms.
+package mmap
+
+import (
+	"os"
+)
+
+// The backing file is never closed, so Data
+// remains valid for the lifetime of the process.
+type Data struct {
+	// TODO(pjw): might be better to define versions of Data
+	// for the 3 specializations
+	f    *os.File
+	Data []byte
+	// Some windows magic
+	Windows interface{}
+}
+
+// Mmap maps the given file into memory.
+// When remapping a file, pass the most recently returned Data.
+func Mmap(f *os.File) (*Data, error) {
+	return mmapFile(f)
+}
+
+// Munmap unmaps the given file from memory.
+func Munmap(d *Data) error {
+	return munmapFile(d)
+}