blob: b991b2484a08cf5d8e805c31421277a9f5f00201 (
plain)
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* Copyright 2013 10gen 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.
*/
#pragma once
#include <boost/thread/mutex.hpp>
#include <iosfwd>
namespace mongo {
/**
* Representation of the console. Use this in place of cout/cin, in applications that write to
* the console from multiple threads (such as those that use the logging subsystem).
*
* The Console type is synchronized such that only one instance may be in the fully constructed
* state at a time. Correct usage is to instantiate one, write or read from it as desired, and
* then destroy it.
*
* The console streams accept UTF-8 encoded data, and attempt to write it to the attached
* console faithfully.
*
* TODO(schwerin): If no console is attached on Windows (services), should writes here go to the
* event logger?
*/
class Console {
public:
Console();
std::ostream& out();
private:
boost::unique_lock<boost::mutex> _consoleLock;
};
} // namespace mongo
|
