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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/**
* @file _thread.h
* @brief thread type abstraction
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LLCOREINT_THREAD_H_
#define LLCOREINT_THREAD_H_
#include "linden_common.h"
#include <functional>
#include <thread>
#include "_refcounted.h"
namespace LLCoreInt
{
class HttpThread
{
public:
HttpThread() = delete; // Not defined
HttpThread(const HttpThread&) = delete; // Not defined
void operator=(const HttpThread &) = delete; // Not defined
private:
void run()
{ // THREAD CONTEXT
// run the thread function
mThreadFunc(this);
} // THREAD CONTEXT
public:
/// Constructs a thread object for concurrent execution but does
/// not start running. Caller receives on refcount on the thread
/// instance. If the thread is started, another will be taken
/// out for the exit handler.
explicit HttpThread(std::function<void (HttpThread *)> threadFunc)
: mThreadFunc(threadFunc)
{
// this creates a std thread that will call HttpThread::run on this instance
// and pass it the threadfunc callable...
std::function<void()> f = std::bind(&HttpThread::run, this);
mThread = std::make_unique<std::thread>(f);
mNativeHandle = mThread->native_handle();
}
~HttpThread() = default;
inline void join()
{
mThread->join();
}
inline bool joinable() const
{
return mThread->joinable();
}
inline void detach()
{
mThread->detach();
}
// A very hostile method to force a thread to quit
inline void cancel()
{
#if LL_WINDOWS
TerminateThread(mNativeHandle, 0);
#else
pthread_cancel(mNativeHandle);
#endif
}
private:
std::function<void(HttpThread *)> mThreadFunc;
std::unique_ptr<std::thread> mThread;
std::thread::native_handle_type mNativeHandle;
}; // end class HttpThread
} // end namespace LLCoreInt
#endif // LLCOREINT_THREAD_H_
|
