nexmon – Blame information for rev 1

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1 office 1 #undef G_DISABLE_ASSERT
2 #undef G_LOG_DOMAIN
3  
4 #include <glib.h>
5  
6 /* GMutex */
7  
8 static GMutex test_g_mutex_mutex;
9 static guint test_g_mutex_int = 0;
10 static gboolean test_g_mutex_thread_ready;
11 G_LOCK_DEFINE_STATIC (test_g_mutex);
12  
13 static gpointer
14 test_g_mutex_thread (gpointer data)
15 {
16 g_assert (GPOINTER_TO_INT (data) == 42);
17 g_assert (g_mutex_trylock (&test_g_mutex_mutex) == FALSE);
18 g_assert (G_TRYLOCK (test_g_mutex) == FALSE);
19 test_g_mutex_thread_ready = TRUE;
20 g_mutex_lock (&test_g_mutex_mutex);
21 g_assert (test_g_mutex_int == 42);
22 g_mutex_unlock (&test_g_mutex_mutex);
23  
24 return GINT_TO_POINTER (41);
25 }
26  
27 static void
28 test_g_mutex (void)
29 {
30 GThread *thread;
31  
32 g_assert (g_mutex_trylock (&test_g_mutex_mutex));
33 g_assert (G_TRYLOCK (test_g_mutex));
34 test_g_mutex_thread_ready = FALSE;
35 thread = g_thread_create (test_g_mutex_thread, GINT_TO_POINTER (42),
36 TRUE, NULL);
37 /* This busy wait is only for testing purposes and not an example of
38 * good code!*/
39 while (!test_g_mutex_thread_ready)
40 g_usleep (G_USEC_PER_SEC / 5);
41 test_g_mutex_int = 42;
42 G_UNLOCK (test_g_mutex);
43 g_mutex_unlock (&test_g_mutex_mutex);
44 g_assert (GPOINTER_TO_INT (g_thread_join (thread)) == 41);
45 }
46  
47 /* GStaticRecMutex */
48  
49 static GStaticRecMutex test_g_static_rec_mutex_mutex = G_STATIC_REC_MUTEX_INIT;
50 static guint test_g_static_rec_mutex_int = 0;
51 static gboolean test_g_static_rec_mutex_thread_ready;
52  
53 static gpointer
54 test_g_static_rec_mutex_thread (gpointer data)
55 {
56 g_assert (GPOINTER_TO_INT (data) == 42);
57 g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex)
58 == FALSE);
59 test_g_static_rec_mutex_thread_ready = TRUE;
60 g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
61 g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
62 g_assert (test_g_static_rec_mutex_int == 42);
63 test_g_static_rec_mutex_thread_ready = FALSE;
64 g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
65 g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
66  
67 g_thread_exit (GINT_TO_POINTER (43));
68  
69 g_assert_not_reached ();
70 return NULL;
71 }
72  
73 static void
74 test_g_static_rec_mutex (void)
75 {
76 GThread *thread;
77  
78 g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
79 test_g_static_rec_mutex_thread_ready = FALSE;
80 thread = g_thread_create (test_g_static_rec_mutex_thread,
81 GINT_TO_POINTER (42), TRUE, NULL);
82 /* This busy wait is only for testing purposes and not an example of
83 * good code!*/
84 while (!test_g_static_rec_mutex_thread_ready)
85 g_usleep (G_USEC_PER_SEC / 5);
86  
87 g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
88 test_g_static_rec_mutex_int = 41;
89 g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
90 test_g_static_rec_mutex_int = 42;
91 g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
92  
93 /* This busy wait is only for testing purposes and not an example of
94 * good code!*/
95 while (test_g_static_rec_mutex_thread_ready)
96 g_usleep (G_USEC_PER_SEC / 5);
97  
98 g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
99 test_g_static_rec_mutex_int = 0;
100 g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
101  
102 g_assert (GPOINTER_TO_INT (g_thread_join (thread)) == 43);
103 }
104  
105 /* GStaticPrivate */
106  
107 #define THREADS 10
108  
109 static GStaticPrivate test_g_static_private_private1 = G_STATIC_PRIVATE_INIT;
110 static GStaticPrivate test_g_static_private_private2 = G_STATIC_PRIVATE_INIT;
111 static GMutex test_g_static_private_mutex;
112 static guint test_g_static_private_counter = 0;
113 static guint test_g_static_private_ready = 0;
114  
115 static gpointer
116 test_g_static_private_constructor (void)
117 {
118 g_mutex_lock (&test_g_static_private_mutex);
119 test_g_static_private_counter++;
120 g_mutex_unlock (&test_g_static_private_mutex);
121 return g_new (guint,1);
122 }
123  
124 static void
125 test_g_static_private_destructor (gpointer data)
126 {
127 g_mutex_lock (&test_g_static_private_mutex);
128 test_g_static_private_counter--;
129 g_mutex_unlock (&test_g_static_private_mutex);
130 g_free (data);
131 }
132  
133  
134 static gpointer
135 test_g_static_private_thread (gpointer data)
136 {
137 guint number = GPOINTER_TO_INT (data);
138 guint i;
139 guint *private1, *private2;
140 for (i = 0; i < 10; i++)
141 {
142 number = number * 11 + 1; /* A very simple and bad RNG ;-) */
143 private1 = g_static_private_get (&test_g_static_private_private1);
144 if (!private1 || number % 7 > 3)
145 {
146 private1 = test_g_static_private_constructor ();
147 g_static_private_set (&test_g_static_private_private1, private1,
148 test_g_static_private_destructor);
149 }
150 *private1 = number;
151 private2 = g_static_private_get (&test_g_static_private_private2);
152 if (!private2 || number % 13 > 5)
153 {
154 private2 = test_g_static_private_constructor ();
155 g_static_private_set (&test_g_static_private_private2, private2,
156 test_g_static_private_destructor);
157 }
158 *private2 = number * 2;
159 g_usleep (G_USEC_PER_SEC / 5);
160 g_assert (number == *private1);
161 g_assert (number * 2 == *private2);
162 }
163 g_mutex_lock (&test_g_static_private_mutex);
164 test_g_static_private_ready++;
165 g_mutex_unlock (&test_g_static_private_mutex);
166  
167 /* Busy wait is not nice but that's just a test */
168 while (test_g_static_private_ready != 0)
169 g_usleep (G_USEC_PER_SEC / 5);
170  
171 for (i = 0; i < 10; i++)
172 {
173 private2 = g_static_private_get (&test_g_static_private_private2);
174 number = number * 11 + 1; /* A very simple and bad RNG ;-) */
175 if (!private2 || number % 13 > 5)
176 {
177 private2 = test_g_static_private_constructor ();
178 g_static_private_set (&test_g_static_private_private2, private2,
179 test_g_static_private_destructor);
180 }
181 *private2 = number * 2;
182 g_usleep (G_USEC_PER_SEC / 5);
183 g_assert (number * 2 == *private2);
184 }
185  
186 return GINT_TO_POINTER (GPOINTER_TO_INT (data) * 3);
187 }
188  
189 static void
190 test_g_static_private (void)
191 {
192 GThread *threads[THREADS];
193 guint i;
194  
195 test_g_static_private_ready = 0;
196  
197 for (i = 0; i < THREADS; i++)
198 {
199 threads[i] = g_thread_create (test_g_static_private_thread,
200 GINT_TO_POINTER (i), TRUE, NULL);
201 }
202  
203 /* Busy wait is not nice but that's just a test */
204 while (test_g_static_private_ready != THREADS)
205 g_usleep (G_USEC_PER_SEC / 5);
206  
207 /* Reuse the static private */
208 g_static_private_free (&test_g_static_private_private2);
209 g_static_private_init (&test_g_static_private_private2);
210  
211 test_g_static_private_ready = 0;
212  
213 for (i = 0; i < THREADS; i++)
214 g_assert (GPOINTER_TO_INT (g_thread_join (threads[i])) == i * 3);
215  
216 g_assert (test_g_static_private_counter == 0);
217 }
218  
219 /* GStaticRWLock */
220  
221 /* -1 = writing; >0 = # of readers */
222 static gint test_g_static_rw_lock_state = 0;
223 G_LOCK_DEFINE (test_g_static_rw_lock_state);
224  
225 static gboolean test_g_static_rw_lock_run = TRUE;
226 static GStaticRWLock test_g_static_rw_lock_lock = G_STATIC_RW_LOCK_INIT;
227  
228 static gpointer
229 test_g_static_rw_lock_thread (gpointer data)
230 {
231 while (test_g_static_rw_lock_run)
232 {
233 if (g_random_double() > .2) /* I'm a reader */
234 {
235  
236 if (g_random_double() > .2) /* I'll block */
237 g_static_rw_lock_reader_lock (&test_g_static_rw_lock_lock);
238 else /* I'll only try */
239 if (!g_static_rw_lock_reader_trylock (&test_g_static_rw_lock_lock))
240 continue;
241 G_LOCK (test_g_static_rw_lock_state);
242 g_assert (test_g_static_rw_lock_state >= 0);
243 test_g_static_rw_lock_state++;
244 G_UNLOCK (test_g_static_rw_lock_state);
245  
246 g_usleep (g_random_int_range (20,1000));
247  
248 G_LOCK (test_g_static_rw_lock_state);
249 test_g_static_rw_lock_state--;
250 G_UNLOCK (test_g_static_rw_lock_state);
251  
252 g_static_rw_lock_reader_unlock (&test_g_static_rw_lock_lock);
253 }
254 else /* I'm a writer */
255 {
256  
257 if (g_random_double() > .2) /* I'll block */
258 g_static_rw_lock_writer_lock (&test_g_static_rw_lock_lock);
259 else /* I'll only try */
260 if (!g_static_rw_lock_writer_trylock (&test_g_static_rw_lock_lock))
261 continue;
262 G_LOCK (test_g_static_rw_lock_state);
263 g_assert (test_g_static_rw_lock_state == 0);
264 test_g_static_rw_lock_state = -1;
265 G_UNLOCK (test_g_static_rw_lock_state);
266  
267 g_usleep (g_random_int_range (20,1000));
268  
269 G_LOCK (test_g_static_rw_lock_state);
270 test_g_static_rw_lock_state = 0;
271 G_UNLOCK (test_g_static_rw_lock_state);
272  
273 g_static_rw_lock_writer_unlock (&test_g_static_rw_lock_lock);
274 }
275 }
276 return NULL;
277 }
278  
279 static void
280 test_g_static_rw_lock (void)
281 {
282 GThread *threads[THREADS];
283 guint i;
284 for (i = 0; i < THREADS; i++)
285 {
286 threads[i] = g_thread_create (test_g_static_rw_lock_thread,
287 NULL, TRUE, NULL);
288 }
289 g_usleep (G_USEC_PER_SEC * 5);
290 test_g_static_rw_lock_run = FALSE;
291 for (i = 0; i < THREADS; i++)
292 {
293 g_thread_join (threads[i]);
294 }
295 g_assert (test_g_static_rw_lock_state == 0);
296 }
297  
298 #define G_ONCE_SIZE 100
299 #define G_ONCE_THREADS 10
300  
301 G_LOCK_DEFINE (test_g_once);
302 static guint test_g_once_guint_array[G_ONCE_SIZE];
303 static GOnce test_g_once_array[G_ONCE_SIZE];
304  
305 static gpointer
306 test_g_once_init_func(gpointer arg)
307 {
308 guint *count = arg;
309 g_usleep (g_random_int_range (20,1000));
310 (*count)++;
311 g_usleep (g_random_int_range (20,1000));
312 return arg;
313 }
314  
315 static gpointer
316 test_g_once_thread (gpointer ignore)
317 {
318 guint i;
319 G_LOCK (test_g_once);
320 /* Don't start before all threads are created */
321 G_UNLOCK (test_g_once);
322 for (i = 0; i < 1000; i++)
323 {
324 guint pos = g_random_int_range (0, G_ONCE_SIZE);
325 gpointer ret = g_once (test_g_once_array + pos, test_g_once_init_func,
326 test_g_once_guint_array + pos);
327 g_assert (ret == test_g_once_guint_array + pos);
328 }
329  
330 /* Make sure, that all counters are touched at least once */
331 for (i = 0; i < G_ONCE_SIZE; i++)
332 {
333 gpointer ret = g_once (test_g_once_array + i, test_g_once_init_func,
334 test_g_once_guint_array + i);
335 g_assert (ret == test_g_once_guint_array + i);
336 }
337  
338 return NULL;
339 }
340  
341 static void
342 test_g_thread_once (void)
343 {
344 static GOnce once_init = G_ONCE_INIT;
345 GThread *threads[G_ONCE_THREADS];
346 guint i;
347 for (i = 0; i < G_ONCE_SIZE; i++)
348 {
349 test_g_once_array[i] = once_init;
350 test_g_once_guint_array[i] = i;
351 }
352 G_LOCK (test_g_once);
353 for (i = 0; i < G_ONCE_THREADS; i++)
354 {
355 threads[i] = g_thread_create (test_g_once_thread, GUINT_TO_POINTER(i%2),
356 TRUE, NULL);
357 }
358 G_UNLOCK (test_g_once);
359 for (i = 0; i < G_ONCE_THREADS; i++)
360 {
361 g_thread_join (threads[i]);
362 }
363  
364 for (i = 0; i < G_ONCE_SIZE; i++)
365 {
366 g_assert (test_g_once_guint_array[i] == i + 1);
367 }
368 }
369  
370 /* run all the tests */
371 static void
372 run_all_tests (void)
373 {
374 test_g_mutex ();
375 test_g_static_rec_mutex ();
376 test_g_static_private ();
377 test_g_static_rw_lock ();
378 test_g_thread_once ();
379 }
380  
381 int
382 main (int argc,
383 char *argv[])
384 {
385 run_all_tests ();
386  
387 /* Now we rerun all tests, but this time we fool the system into
388 * thinking, that the available thread system is not native, but
389 * userprovided. */
390  
391 g_thread_use_default_impl = FALSE;
392 run_all_tests ();
393  
394 /* XXX: And this shows how silly the above non-native tests are */
395 g_static_rw_lock_free (&test_g_static_rw_lock_lock);
396 g_static_rec_mutex_free (&test_g_static_rec_mutex_mutex);
397 g_static_private_free (&test_g_static_private_private2);
398  
399 return 0;
400 }