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
|
/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ThreadBackgroundCommand.hxx"
#include "Client.hxx"
#include "Response.hxx"
#include "command/CommandError.hxx"
#include "protocol/Result.hxx"
ThreadBackgroundCommand::ThreadBackgroundCommand(Client &_client) noexcept
:thread(BIND_THIS_METHOD(_Run)),
defer_finish(_client.GetEventLoop(), BIND_THIS_METHOD(DeferredFinish)),
client(_client)
{
}
void
ThreadBackgroundCommand::_Run() noexcept
{
assert(!error);
try {
Run();
} catch (...) {
error = std::current_exception();
}
defer_finish.Schedule();
}
void
ThreadBackgroundCommand::DeferredFinish() noexcept
{
/* free the Thread */
thread.Join();
/* send the response */
Response response(client, 0);
if (error) {
PrintError(response, error);
} else {
SendResponse(response);
command_success(client);
}
/* delete this object */
client.OnBackgroundCommandFinished();
}
void
ThreadBackgroundCommand::Cancel() noexcept
{
CancelThread();
thread.Join();
/* cancel the InjectEvent, just in case the Thread has
meanwhile finished execution */
defer_finish.Cancel();
}
|
