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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/DistinctNumeric.h>
#include <AK/Function.h>
#include <AK/Result.h>
#include <AK/String.h>
#include <LibCore/Object.h>
#include <pthread.h>
namespace LibThread {
TYPEDEF_DISTINCT_ORDERED_ID(int, ThreadError);
class Thread final : public Core::Object {
C_OBJECT(Thread);
public:
virtual ~Thread();
void start();
template<typename T = void>
Result<T, ThreadError> join();
String thread_name() const { return m_thread_name; }
pthread_t tid() const { return m_tid; }
private:
explicit Thread(Function<int()> action, StringView thread_name = nullptr);
Function<int()> m_action;
pthread_t m_tid { 0 };
String m_thread_name;
};
template<typename T>
Result<T, ThreadError> Thread::join()
{
void* thread_return = nullptr;
int rc = pthread_join(m_tid, &thread_return);
if (rc != 0) {
return ThreadError { rc };
}
m_tid = 0;
if constexpr (IsVoid<T>::value)
return {};
else
return { static_cast<T>(thread_return) };
}
}
|
