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
|
// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// TSS_Test.cpp
//
// = DESCRIPTION
// This program tests thread specific storage of data. The ACE_TSS
// wrapper transparently ensures that the objects of this class
// will be placed in thread-specific storage. All calls on
// ACE_TSS::operator->() are delegated to the appropriate method
// in the Errno class.
//
// = AUTHOR
// Prashant Jain and Doug Schmidt
//
// ============================================================================
#include "ace/Service_Config.h"
#include "ace/Synch.h"
#include "TSS_Test_Errno.h"
#include "test_config.h"
#if defined (ACE_HAS_THREADS)
static const int ITERATIONS = 100;
// Static variables.
ACE_MT (ACE_Thread_Mutex Errno::lock_);
int Errno::flags_;
// This is our thread-specific error handler...
static ACE_TSS<Errno> TSS_Error;
#if defined (ACE_HAS_THREADS)
// Serializes output via cout.
static ACE_Thread_Mutex cout_lock;
typedef ACE_TSS_Guard<ACE_Thread_Mutex> GUARD;
#else
// Serializes output via cout.
static ACE_Null_Mutex cout_lock;
typedef ACE_Guard<ACE_Null_Mutex> GUARD;
#endif /* ACE_HAS_THREADS */
extern "C" void
cleanup (void *ptr)
{
ACE_DEBUG ((LM_DEBUG, "(%t) in cleanup, ptr = %x\n", ptr));
delete ptr;
}
// This worker function is the entry point for each thread.
static void *
worker (void *c)
{
ACE_Thread_Control tc (ACE_Service_Config::thr_mgr ());
ACE_NEW_THREAD;
int count = int (c);
ACE_thread_key_t key = 0;
int *ip = 0;
// Make one key that will be available when the thread exits so that
// we'll have something to cleanup!
if (ACE_OS::thr_keycreate (&key, cleanup) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_keycreate"));
ACE_NEW_RETURN (ip, int, 0);
if (ACE_OS::thr_setspecific (key, (void *) ip) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_setspecific"));
for (int i = 0; i < count; i++)
{
if (ACE_OS::thr_keycreate (&key, cleanup) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_keycreate"));
ACE_NEW_RETURN (ip, int, 0);
ACE_DEBUG ((LM_DEBUG, "(%t) in worker 1, key = %d, ip = %x\n", key, ip));
if (ACE_OS::thr_setspecific (key, (void *) ip) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_setspecific"));
if (ACE_OS::thr_getspecific (key, (void **) &ip) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_setspecific"));
if (ACE_OS::thr_setspecific (key, (void *) 0) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_setspecific"));
delete ip;
if (ACE_OS::thr_keyfree (key) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_keyfree"));
// Cause an error.
ACE_OS::read (ACE_INVALID_HANDLE, 0, 0);
// The following two lines set the thread-specific state.
TSS_Error->error (errno);
TSS_Error->line (__LINE__);
// This sets the static state (note how C++ makes it easy to do
// both).
TSS_Error->flags (count);
{
// Use the guard to serialize access
ACE_MT (ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, cout_lock, 0));
ACE_ASSERT (TSS_Error->flags () == ITERATIONS);
}
key = 0;
if (ACE_OS::thr_keycreate (&key, cleanup) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_keycreate"));
ACE_NEW_RETURN (ip, int, 0);
ACE_DEBUG ((LM_DEBUG, "(%t) in worker 2, key = %d, ip = %x\n", key, ip));
if (ACE_OS::thr_setspecific (key, (void *) ip) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_setspecific"));
if (ACE_OS::thr_getspecific (key, (void **) &ip) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_setspecific"));
if (ACE_OS::thr_setspecific (key, (void *) 0) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_setspecific"));
delete ip;
if (ACE_OS::thr_keyfree (key) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n", "ACE_OS::thr_keyfree"));
}
return 0;
}
extern "C" void
handler (int signum)
{
ACE_DEBUG ((LM_DEBUG, "signal = %S\n", signum));
ACE_Service_Config::thr_mgr ()->exit (0);
}
#if defined (ACE_TEMPLATES_REQUIRE_SPECIALIZATION)
template class ACE_TSS<Errno>;
#endif /* ACE_TEMPLATES_REQUIRE_SPECIALIZATION */
#endif /* ACE_HAS_THREADS */
int
main (int, char *[])
{
ACE_START_TEST ("TSS_Test");
#if defined (ACE_HAS_THREADS)
ACE_Thread_Control tc (ACE_Service_Config::thr_mgr ());
// Register a signal handler.
ACE_Sig_Action sa ((ACE_SignalHandler) handler, SIGINT);
if (ACE_Service_Config::thr_mgr ()->spawn_n (ACE_MAX_THREADS,
ACE_THR_FUNC (&worker),
(void *) ITERATIONS,
THR_BOUND | THR_DETACHED) == -1)
ACE_OS::perror ("ACE_Thread_Manager::spawn_n");
ACE_Service_Config::thr_mgr ()->wait ();
#else
ACE_ERROR ((LM_ERROR,
"threads are not supported on this platform\n"));
#endif /* ACE_HAS_THREADS */
ACE_END_TEST;
return 0;
}
|
