/usr/share/gocode/src/github.com/couchbase/moss/mmap_windows.go is in golang-github-couchbase-moss-dev 0.0~git20170914.0.07c86e8-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | // Copyright (c) 2016 Couchbase, Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an "AS
// IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language
// governing permissions and limitations under the License.
// +build windows
package moss
// Windows MapViewOfFile() API (rough equivalent of mmap()), requires
// offsets to be multiples of an allocation granularity, which is up
// to 64kiB (or, larger than the usual 4KB page size).
//
// See: https://social.msdn.microsoft.com/Forums/vstudio/en-US/972f36a4-26c9-466b-861a-5f40fa4cf4e7/about-the-dwallocationgranularity?forum=vclanguage
//
var AllocationGranularity = 65536 // 64kiB.
// IsTimingCoarse is true on Windows because of the granularity of the time
// resolution can be as large as 15ms.
// So this variable can help false failures in unit tests.
// See https://stackoverflow.com/a/4019164.
var IsTimingCoarse = true
|