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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
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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 #include "mojo/public/cpp/environment/environment.h"
6
7 #include <assert.h>
8
9 #include "mojo/public/c/environment/logger.h"
10 #include "mojo/public/cpp/environment/lib/default_async_waiter.h"
11 #include "mojo/public/cpp/environment/lib/default_logger.h"
12 #include "mojo/public/cpp/utility/run_loop.h"
13
14 namespace mojo {
15
16 namespace {
17
18 const MojoAsyncWaiter* g_default_async_waiter = nullptr;
19 const MojoLogger* g_default_logger = nullptr;
20
21 void Init(const MojoAsyncWaiter* default_async_waiter,
22 const MojoLogger* default_logger) {
23 g_default_async_waiter = default_async_waiter
24 ? default_async_waiter
25 : &internal::kDefaultAsyncWaiter;
26 g_default_logger =
27 default_logger ? default_logger : &internal::kDefaultLogger;
28
29 RunLoop::SetUp();
30 }
31
32 } // namespace
33
34 Environment::Environment() {
35 Init(nullptr, nullptr);
36 }
37
38 Environment::Environment(const MojoAsyncWaiter* default_async_waiter,
39 const MojoLogger* default_logger) {
40 Init(default_async_waiter, default_logger);
41 }
42
43 Environment::~Environment() {
44 RunLoop::TearDown();
45
46 // TODO(vtl): Maybe we should allow nesting, and restore previous default
47 // async waiters and loggers?
48 g_default_async_waiter = nullptr;
49 g_default_logger = nullptr;
50 }
51
52 // static
53 const MojoAsyncWaiter* Environment::GetDefaultAsyncWaiter() {
54 assert(g_default_async_waiter); // Fails if not "inside" |Environment|.
55 return g_default_async_waiter;
56 }
57
58 // static
59 const MojoLogger* Environment::GetDefaultLogger() {
60 assert(g_default_logger); // Fails if not "inside" |Environment|.
61 return g_default_logger;
62 }
63
64 // static
65 void Environment::InstantiateDefaultRunLoop() {
66 assert(!RunLoop::current());
67 // Not leaked: accessible from |RunLoop::current()|.
68 RunLoop* run_loop = new RunLoop();
69 MOJO_ALLOW_UNUSED_LOCAL(run_loop);
70 assert(run_loop == RunLoop::current());
71 }
72
73 // static
74 void Environment::DestroyDefaultRunLoop() {
75 assert(RunLoop::current());
76 delete RunLoop::current();
77 assert(!RunLoop::current());
78 }
79
80 } // namespace mojo
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