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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
// $Id$
#include "Thread_Task.h"
#include "ace/OS_NS_errno.h"
#include "ace/OS_NS_unistd.h"
int
Thread_Task::activate_task (CORBA::ORB_ptr orb,
int thr_count)
{
ACE_TRY_NEW_ENV
{
ACE_NEW_RETURN (shutdown_lock_,
TAO_SYNCH_MUTEX,
-1);
ACE_NEW_RETURN (lock_,
TAO_SYNCH_MUTEX,
-1);
active_thread_count_ = thr_count;
this->orb_ = CORBA::ORB::_duplicate (orb);
CORBA::Object_ptr current_obj = this->orb_->resolve_initial_references ("RTScheduler_Current"
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
this->current_ = RTScheduling::Current::_narrow (current_obj
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
const char * name = 0;
CORBA::Policy_ptr sched_param = 0;
CORBA::Policy_ptr implicit_sched_param = 0;
ACE_TRY_EX (ESS_out_of_cxt)
{
ACE_DEBUG ((LM_DEBUG,
"Making an end_scheduling_segment call without first calling begin_scheduling_segment\n"));
this->current_->end_scheduling_segment (name
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK_EX(ESS_out_of_cxt);
}
ACE_CATCH (CORBA::BAD_INV_ORDER, thr_ex)
{
ACE_DEBUG ((LM_DEBUG,
"End Scheduling Segment is out of context - Expected Exception\n"));
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"\n");
}
ACE_ENDTRY;
ACE_TRY_EX(USS_out_of_cxt)
{
ACE_DEBUG ((LM_DEBUG,
"Making an update_scheduling_segment call without first calling begin_scheduling_segment\n"));
this->current_->update_scheduling_segment (name,
sched_param,
implicit_sched_param
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK_EX(USS_out_of_cxt);
}
ACE_CATCH (CORBA::BAD_INV_ORDER, thr_ex)
{
ACE_DEBUG ((LM_DEBUG,
"Update Scheduling Segment is out of context - Expected Exception\n"));
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"Update Scheduling Segment is out of context:");
}
ACE_ENDTRY;
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"Exception:");
}
ACE_ENDTRY;
long flags = THR_NEW_LWP | THR_JOINABLE;
if (this->activate (flags,
thr_count) == -1)
{
if (ACE_OS::last_error () == EPERM)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Insufficient privilege to run this test.\n")),
-1);
}
return 0;
}
int
Thread_Task::svc (void)
{
ACE_TRY_NEW_ENV
{
const char * name = 0;
CORBA::Policy_ptr sched_param = 0;
CORBA::Policy_ptr implicit_sched_param = 0;
this->current_->begin_scheduling_segment ("Fellowship of the Rings",
sched_param,
implicit_sched_param
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
size_t count = 0;
ACE_OS::memcpy (&count,
this->current_->id ()->get_buffer (),
this->current_->id ()->length ());
ACE_DEBUG ((LM_DEBUG,
"Starting Distributable Thread %d with 3 nested scheduling segments....\n",
count));
//Start - Nested Scheduling Segment
this->current_->begin_scheduling_segment ("Two Towers",
sched_param,
implicit_sched_param
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
//Start - Nested Scheduling Segment
this->current_->begin_scheduling_segment ("The Return of the King",
sched_param,
implicit_sched_param
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
RTScheduling::Current::NameList* segment_name_list =
this->current_->current_scheduling_segment_names (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
{
ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, ace_mon, *lock_, -1);
ACE_DEBUG ((LM_DEBUG,
"Segment Names for DT %d :\n",
count));
for (unsigned int i = 0; i < segment_name_list->length (); i ++)
{
ACE_DEBUG ((LM_DEBUG,
"%s\n",
(*segment_name_list)[i].in ()));
}
}
this->current_->end_scheduling_segment (name
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
//End - Nested Scheduling Segment
this->current_->end_scheduling_segment (name
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
this->current_->end_scheduling_segment (name
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
//End - Nested Scheduling Segment
ACE_DEBUG ((LM_DEBUG,
"DT %d terminated ...\n",
count));
{
ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, ace_mon, *shutdown_lock_,-1);
--active_thread_count_;
if (active_thread_count_ == 0)
{
// Without this sleep, we will occasionally get BAD_INV_ORDER
// exceptions on fast dual processor machines.
ACE_OS::sleep (1);
orb_->shutdown (0 ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
}
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"Caught exception:");
return -1;
}
ACE_ENDTRY;
return 0;
}
Thread_Task::~Thread_Task (void)
{
delete shutdown_lock_;
delete lock_;
}
|
