blob: 915cdecbc6694237a5eb156bd15f955b21726c62 (
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
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
|
// @file task.cpp
/* Copyright 2009 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/util/concurrency/task.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/exit.h"
#include "mongo/util/time_support.h"
namespace mongo {
namespace task {
Task::Task()
: BackgroundJob( true /* deleteSelf */ ) {
n = 0;
repeat = 0;
}
void Task::halt() { repeat = 0; }
void Task::setUp() {}
void Task::run() {
verify( n == 0 );
setUp();
while( 1 ) {
n++;
try {
doWork();
}
catch(...) { }
sleepmillis(repeat);
if( inShutdown() )
break;
if( repeat == 0 )
break;
}
}
void Task::begin() {
go();
}
void fork(Task *t) {
t->begin();
}
void repeat(Task *t, unsigned millis) {
t->repeat = millis;
t->begin();
}
}
}
|