Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(26)

Side by Side Diff: mojo/public/cpp/bindings/lib/shared_ptr.h

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_SHARED_PTR_H_
6 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_SHARED_PTR_H_
7
8 #include "mojo/public/cpp/bindings/lib/shared_data.h"
9
10 namespace mojo {
11 namespace internal {
12
13 // Used to manage a heap-allocated instance of P that can be shared via
14 // reference counting. When the last reference is dropped, the instance is
15 // deleted.
16 template <typename P>
17 class SharedPtr {
18 public:
19 SharedPtr() {}
20
21 explicit SharedPtr(P* ptr) { impl_.mutable_value()->ptr = ptr; }
22
23 // Default copy-constructor and assignment operator are OK.
24
25 P* get() { return impl_.value().ptr; }
26 const P* get() const { return impl_.value().ptr; }
27
28 void reset() { impl_.reset(); }
29
30 P* operator->() { return get(); }
31 const P* operator->() const { return get(); }
32
33 private:
34 class Impl {
35 public:
36 ~Impl() {
37 if (ptr)
38 delete ptr;
39 }
40
41 Impl() : ptr(nullptr) {}
42
43 Impl(P* ptr) : ptr(ptr) {}
44
45 P* ptr;
46
47 private:
48 MOJO_DISALLOW_COPY_AND_ASSIGN(Impl);
49 };
50
51 SharedData<Impl> impl_;
52 };
53
54 } // namespace mojo
55 } // namespace internal
56
57 #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_SHARED_PTR_H_
OLDNEW
« no previous file with comments | « mojo/public/cpp/bindings/lib/shared_data.h ('k') | mojo/public/cpp/bindings/lib/string_serialization.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698