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x/tools/cmd/heapview/internal/core: stub mmapfile for !darwin,!linux

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mmapfile.go uses symbols in the syscall package that are not defined
on windows and some other operating systems. Temporarily
buildtag-restrict mmapfile to darwin and linux (the platforms easiest
for me to test) to fix the build.

Change-Id: Ib056608a655b6d32170cd86deac785811e7bc0d1
Reviewed-on: https://go-review.googlesource.com/26830
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Michael Matloob 2016-08-11 00:12:21 -04:00
parent 62f0028207
commit 68cf18548e
2 changed files with 16 additions and 0 deletions
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2
cmd/heapview/internal/core/mmapfile.go
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@ -2,6 +2,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin linux
package core
import (

14
cmd/heapview/internal/core/mmapfile_other.go Normal file
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@ -0,0 +1,14 @@
// Copyright 2016 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 !darwin,!linux
package core
// TODO(matloob): perhaps use the more portable golang.org/x/exp/mmap
// instead of the mmap code in mmapfile.go.
type mmapFile struct{}
func (m *mmapFile) Close() error { return nil }