blob: f049d534bfb5dba744d97938c5dede6e4cbafbf2 (
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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/* IBM_PROLOG_BEGIN_TAG
* This is an automatically generated prolog.
*
* $Source: src/usr/diag/mdia/test/mdiafakecm.C $
*
* IBM CONFIDENTIAL
*
* COPYRIGHT International Business Machines Corp. 2012
*
* p1
*
* Object Code Only (OCO) source materials
* Licensed Internal Code Source Materials
* IBM HostBoot Licensed Internal Code
*
* The source code for this program is not published or other-
* wise divested of its trade secrets, irrespective of what has
* been deposited with the U.S. Copyright Office.
*
* Origin: 30
*
* IBM_PROLOG_END_TAG
*/
#include "mdiafakecm.H"
#include "../mdiasm.H"
#include "../mdiasmimpl.H"
#include "../mdiafwd.H"
#include "../mdiatrace.H"
#include <sys/time.h>
namespace MDIA
{
void FakeCommandMonitor::threadMain(StateMachine & i_sm)
{
MDIA_DBG("FakeCommandMonitor: threadMain");
static const uint64_t singleStepPauseSecs = 0;
static const uint64_t singleStepPauseNSecs = 10000000;
static uint64_t wakeupIntervalNanoSecs = 0;
// periodically wakeup and check for any command
// timeouts
if(TARGETING::is_vpo())
{
wakeupIntervalNanoSecs = TEN_CTX_SWITCHES_NS;
}
else
{
wakeupIntervalNanoSecs = singleStepPauseNSecs;
}
bool shutdown = false;
MonitorIDs monitorsTimedout;
while(true)
{
if( TARGETING::is_vpo() )
{
nanosleep(0, wakeupIntervalNanoSecs);
}
else
{
nanosleep(singleStepPauseSecs, wakeupIntervalNanoSecs);
}
mutex_lock(&iv_mutex);
// check to see if the istep is finished
shutdown = iv_shutdown;
if(!shutdown)
{
// scan the monitor map and if any
// timed out, inform the state machine
monitorMapIterator it = iv_monitors.begin();
while(it != iv_monitors.end())
{
if(it->second >= wakeupIntervalNanoSecs)
{
it->second -= wakeupIntervalNanoSecs;
it++;
}
else
{
monitorsTimedout.push_back(it->first);
//remove the monitor
iv_monitors.erase(it++);
}
}
}
mutex_unlock(&iv_mutex);
if(!monitorsTimedout.empty()) {
i_sm.processCommandTimeout(monitorsTimedout);
monitorsTimedout.clear();
}
if(shutdown)
{
break;
}
}
}
};
|