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
|
// $Id$
// ============================================================================
//
// = FILENAME
// aio_platform_test.cpp
//
// = DESCRITPTION
// Testing the platform for POSIX Asynchronous I/O. Basically
// prints the predefined constants and also checks for their run
// time values. If this test succeeds further tests at
// $ACE_ROOT/examples/Reactor/Proactor can be used to test the
// features further.
//
// = AUTHOR
// Programming for the Real World. Bill O. GallMeister. Modified
// by Alexander Babu Arulanthu <alex@cs.wustl.edu>
//
// =====================================================================
#include "test_config.h"
#include "ace/Log_Msg.h"
ACE_RCSID(tests, Aio_Platform_Test, "$Id$")
#if defined (_POSIX_ASYNCHRONOUS_IO)
static int do_sysconf (void)
{
ACE_DEBUG ((LM_DEBUG,
"Doing <sysconf> calls to know the run-time values of POSIX feature limits\n"));
// Call sysconf to find out runtime values.
errno = 0;
#if defined (_SC_LISTIO_AIO_MAX)
ACE_DEBUG ((LM_DEBUG,
"Runtime value of LISTIO_AIO_MAX is %d, errno = %d, Minimum is 2\n",
ACE_OS::sysconf (_SC_LISTIO_AIO_MAX),
errno));
#elif defined (_SC_AIO_LISTIO_MAX)
ACE_DEBUG ((LM_DEBUG,
"Runtime value of AIO_LISTIO_MAX is %d, errno = %d, Minimum is 2\n",
ACE_OS::sysconf (_SC_AIO_LISTIO_MAX),
errno));
#else
ACE_ERROR ((LM_ERROR,
"_SC_LISTIO_AIO_MAX or _SC_AIO_LISTIO_MAX"
" do not exist on this platform\n"));
#endif /* _SC_LISTIO_AIO_MAX */
#if defined (_SC_AIO_MAX)
errno = 0;
ACE_DEBUG ((LM_DEBUG,
"Runtime value of AIO_MAX is %d, errno = %d, Minimum is 1\n",
ACE_OS::sysconf (_SC_AIO_MAX),
errno));
#else
ACE_ERROR ((LM_ERROR,
"_SC_AIO_MAX does not exist on this platform\n"));
#endif /* _SC_AIO_MAX */
#if defined (_SC_ASYNCHRONOUS_IO)
errno = 0;
ACE_DEBUG ((LM_DEBUG,
"Runtime value of _POSIX_ASYNCHRONOUS_IO is %d, errno = %d\n",
ACE_OS::sysconf (_SC_ASYNCHRONOUS_IO),
errno));
#else /* Not _SC_ASYNCHRONOUS_IO */
ACE_ERROR ((LM_ERROR,
"_SC_ASYNCHRONOUS_IO does not exist on this platform\n"));
#endif /* _SC_ASYNCHRONOUS_IO */
#if defined (_SC_REALTIME_SIGNALS)
errno = 0;
ACE_DEBUG ((LM_DEBUG,
"Runtime value of _POSIX_REALTIME_SIGNALS is %d, errno = %d\n",
ACE_OS::sysconf (_SC_REALTIME_SIGNALS),
errno));
#else /* Not _SC_REALTIME_SIGNALS */
ACE_ERROR ((LM_ERROR,
"_SC_REALTIME_SIGNALS does not exist on this platform\n"));
#endif /* _SC_REALTIME_SIGNALS */
#if defined (_SC_RTSIG_MAX)
errno = 0;
ACE_DEBUG ((LM_DEBUG,
"Runtime value of RTSIG_MAX %d, Errno = %d, Minimum is 8\n",
ACE_OS::sysconf (_SC_RTSIG_MAX),
errno));
#else /* Not _SC_RTSIG_MAX */
ACE_ERROR ((LM_ERROR,
"_SC_RTSIG_MAX does not exist on this platform\n"));
#endif /* _SC_RTSIG_MAX */
#if defined (_SC_SIGQUEUE_MAX)
errno = 0;
ACE_DEBUG ((LM_DEBUG,
"Runtime value of SIGQUEUE_MAX %d, Errno = %d, Minimum is 32\n",
ACE_OS::sysconf (_SC_SIGQUEUE_MAX),
errno));
#else /* Not _SC_SIGQUEUE_MAX */
ACE_ERROR ((LM_ERROR,
"_SC_SIGQUEUE_MAX does not exist on this platform\n"));
#endif /* _SC_SIGQUEUE_MAX */
return 0;
}
#endif /* _POSIX_ASYNCHRONOUS_IO */
static int
have_asynchio (void)
{
#if defined (_POSIX_ASYNCHRONOUS_IO)
#if defined (_POSIX_ASYNC_IO)
#if _POSIX_ASYNC_IO == -1
ACE_DEBUG ((LM_DEBUG,
"_POSIX_ASYNC_IO = -1.. ASYNCH IO NOT supported at all\n"));
return -1;
#else /* Not _POSIX_ASYNC_IO == -1 */
ACE_DEBUG ((LM_DEBUG,
"_POSIX_ASYNC_IO = %d\n ASYNCH IO is supported FULLY\n",
_POSIX_ASYNC_IO));
#endif /* _POSIX_ASYNC_IO == -1 */
#else /* Not defined _POSIX_ASYNC_IO */
ACE_ERROR ((LM_DEBUG,
"_POSIX_ASYNC_IO is not defined.\n"));
ACE_DEBUG ((LM_DEBUG,
"AIO might *not* be supported on all the paths\n"));
#endif /* _POSIX_ASYNC_IO */
// System defined POSIX Values.
ACE_DEBUG ((LM_DEBUG,
"System claims to have POSIX_ASYNCHRONOUS_IO\n"));
ACE_DEBUG ((LM_DEBUG,
"Number of operations in one listio: "
"Minimum value is 2: "
"_POSIX_AIO_LISTIO_MAX = %d\n",
_POSIX_AIO_LISTIO_MAX));
ACE_DEBUG ((LM_DEBUG,
"Number of simultaneous asynchronous I/Os: "
"Minimum is 1: "
"_POSIX_AIO_MAX = %d\n",
_POSIX_AIO_MAX));
// @@ Debugging.
ACE_DEBUG ((LM_DEBUG,
"Before do_sysconf : Errno %d\n",
errno));
// Check and print the run time values.
do_sysconf ();
// @@ Debugging.
ACE_DEBUG ((LM_DEBUG,
"After do_sysconf: Errno : %d\n", errno));
return 0;
#else /* Not _POSIX_ASYNCHRONOUS_IO */
ACE_DEBUG ((LM_DEBUG,
"No support._POSIX_ASYNCHRONOUS_IO itself is not defined\n"));
return -1;
#endif /* _POSIX_ASYNCHRONOUS_IO */
}
int
main (int, ACE_TCHAR *[])
{
ACE_START_TEST ("Aio_Platform_Test");
// Test the #defined and constants and runtime values.
errno = 0;
if (have_asynchio () == 0)
ACE_DEBUG ((LM_DEBUG,
"Basic test successful"
"Check the run time values of the predefined constants\n"
"ACE_HAS_AIO_CALLS can be defined for this platform\n"
"Further tests at $ACE_ROOT/examples/Reactor/Proactor\n"));
else
ACE_ERROR_RETURN ((LM_ERROR,
"AIO not found.Test failed\n"),
-1);
ACE_END_TEST;
return 0;
}
|
