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
205
206
207
208
209
210
211
212
213
214
|
/* Unit tests for GThread
* Copyright (C) 2011 Red Hat, Inc
* Author: Matthias Clasen
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work 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.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
#include <config.h>
#include <errno.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/types.h>
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
#include <glib.h>
#ifdef G_OS_UNIX
#include <unistd.h>
#include <sys/resource.h>
#endif
#ifdef THREADS_POSIX
#include <pthread.h>
#endif
static gpointer
thread1_func (gpointer data)
{
g_thread_exit (GINT_TO_POINTER (1));
g_assert_not_reached ();
return NULL;
}
/* test that g_thread_exit() works */
static void
test_thread1 (void)
{
gpointer result;
GThread *thread;
GError *error = NULL;
thread = g_thread_try_new ("test", thread1_func, NULL, &error);
g_assert_no_error (error);
result = g_thread_join (thread);
g_assert_cmpint (GPOINTER_TO_INT (result), ==, 1);
}
static gpointer
thread2_func (gpointer data)
{
return g_thread_self ();
}
/* test that g_thread_self() works */
static void
test_thread2 (void)
{
gpointer result;
GThread *thread;
thread = g_thread_new ("test", thread2_func, NULL);
g_assert (g_thread_self () != thread);
result = g_thread_join (thread);
g_assert (result == thread);
}
static gpointer
thread3_func (gpointer data)
{
GThread *peer = data;
gint retval;
retval = 3;
if (peer)
{
gpointer result;
result = g_thread_join (peer);
retval += GPOINTER_TO_INT (result);
}
return GINT_TO_POINTER (retval);
}
/* test that g_thread_join() works across peers */
static void
test_thread3 (void)
{
gpointer result;
GThread *thread1, *thread2, *thread3;
thread1 = g_thread_new ("a", thread3_func, NULL);
thread2 = g_thread_new ("b", thread3_func, thread1);
thread3 = g_thread_new ("c", thread3_func, thread2);
result = g_thread_join (thread3);
g_assert_cmpint (GPOINTER_TO_INT(result), ==, 9);
}
/* test that thread creation fails as expected,
* by setting RLIMIT_NPROC ridiculously low
*/
static void
test_thread4 (void)
{
#ifdef HAVE_PRLIMIT
struct rlimit ol, nl;
GThread *thread;
GError *error;
gint ret;
/* Linux CAP_SYS_RESOURCE overrides RLIMIT_NPROC, and probably similar
* things are true on other systems.
*/
if (getuid () == 0 || geteuid () == 0)
return;
getrlimit (RLIMIT_NPROC, &nl);
nl.rlim_cur = 1;
if ((ret = prlimit (getpid(), RLIMIT_NPROC, &nl, &ol)) != 0)
{
g_debug ("prlimit failed: %s\n", g_strerror (errno));
return;
}
error = NULL;
thread = g_thread_try_new ("a", thread1_func, NULL, &error);
g_assert (thread == NULL);
g_assert_error (error, G_THREAD_ERROR, G_THREAD_ERROR_AGAIN);
g_error_free (error);
if ((ret = prlimit (getpid (), RLIMIT_NPROC, &ol, NULL)) != 0)
g_error ("resetting RLIMIT_NPROC failed: %s", g_strerror (errno));
#endif
}
static void
test_thread5 (void)
{
GThread *thread;
thread = g_thread_new ("a", thread3_func, NULL);
g_thread_ref (thread);
g_thread_join (thread);
g_thread_unref (thread);
}
static gpointer
thread6_func (gpointer data)
{
#if defined (HAVE_PTHREAD_SETNAME_NP_WITH_TID) && defined (HAVE_PTHREAD_GETNAME_NP)
char name[16];
pthread_getname_np (pthread_self(), name, 16);
g_assert_cmpstr (name, ==, data);
#endif
return NULL;
}
static void
test_thread6 (void)
{
GThread *thread;
thread = g_thread_new ("abc", thread6_func, "abc");
g_thread_join (thread);
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/thread/thread1", test_thread1);
g_test_add_func ("/thread/thread2", test_thread2);
g_test_add_func ("/thread/thread3", test_thread3);
g_test_add_func ("/thread/thread4", test_thread4);
g_test_add_func ("/thread/thread5", test_thread5);
g_test_add_func ("/thread/thread6", test_thread6);
return g_test_run ();
}
|
