1 #undef G_DISABLE_ASSERT
9 /* #define DEBUG_MSG(args) g_printerr args ; g_printerr ("\n"); */
11 #define WAIT 5 /* seconds */
12 #define MAX_THREADS 10
14 /* if > 0 the test will run continously (since the test ends when
15 * thread count is 0), if -1 it means no limit to unused threads
16 * if 0 then no unused threads are possible */
17 #define MAX_UNUSED_THREADS -1
19 G_LOCK_DEFINE_STATIC (thread_counter_pools);
21 static gulong abs_thread_counter = 0;
22 static gulong running_thread_counter = 0;
23 static gulong leftover_task_counter = 0;
25 G_LOCK_DEFINE_STATIC (last_thread);
27 static guint last_thread_id = 0;
29 G_LOCK_DEFINE_STATIC (thread_counter_sort);
31 static gulong sort_thread_counter = 0;
33 static GThreadPool *idle_pool = NULL;
35 static GMainLoop *main_loop = NULL;
38 test_thread_functions (void)
40 gint max_unused_threads;
43 /* This function attempts to call functions which don't need a
44 * threadpool to operate to make sure no uninitialised pointers
45 * accessed and no errors occur.
48 max_unused_threads = 3;
50 DEBUG_MSG (("[funcs] Setting max unused threads to %d",
52 g_thread_pool_set_max_unused_threads (max_unused_threads);
54 DEBUG_MSG (("[funcs] Getting max unused threads = %d",
55 g_thread_pool_get_max_unused_threads ()));
56 g_assert (g_thread_pool_get_max_unused_threads() == max_unused_threads);
58 DEBUG_MSG (("[funcs] Getting num unused threads = %d",
59 g_thread_pool_get_num_unused_threads ()));
60 g_assert (g_thread_pool_get_num_unused_threads () == 0);
62 DEBUG_MSG (("[funcs] Stopping unused threads"));
63 g_thread_pool_stop_unused_threads ();
65 max_idle_time = 10 * G_USEC_PER_SEC;
67 DEBUG_MSG (("[funcs] Setting max idle time to %d",
69 g_thread_pool_set_max_idle_time (max_idle_time);
71 DEBUG_MSG (("[funcs] Getting max idle time = %d",
72 g_thread_pool_get_max_idle_time ()));
73 g_assert (g_thread_pool_get_max_idle_time () == max_idle_time);
75 DEBUG_MSG (("[funcs] Setting max idle time to 0"));
76 g_thread_pool_set_max_idle_time (0);
78 DEBUG_MSG (("[funcs] Getting max idle time = %d",
79 g_thread_pool_get_max_idle_time ()));
80 g_assert (g_thread_pool_get_max_idle_time () == 0);
84 test_count_threads_foreach (GThread *thread,
91 test_count_threads (void)
95 g_thread_foreach ((GFunc) test_count_threads_foreach, &count);
97 /* Exclude main thread */
102 test_thread_stop_unused (void)
108 /* Spawn a few threads. */
109 g_thread_pool_set_max_unused_threads (-1);
110 pool = g_thread_pool_new ((GFunc) g_usleep, NULL, -1, FALSE, NULL);
112 for (i = 0; i < limit; i++)
113 g_thread_pool_push (pool, GUINT_TO_POINTER (1000), NULL);
115 DEBUG_MSG (("[unused] ===> pushed %d threads onto the idle pool",
118 /* Wait for the threads to migrate. */
119 g_usleep (G_USEC_PER_SEC);
121 DEBUG_MSG (("[unused] current threads %d",
122 test_count_threads()));
124 g_assert (test_count_threads () == limit);
126 DEBUG_MSG (("[unused] stopping unused threads"));
128 g_thread_pool_stop_unused_threads ();
130 DEBUG_MSG (("[unused] waiting ONE second for threads to die"));
132 /* Some time for threads to die. */
133 g_usleep (G_USEC_PER_SEC);
135 DEBUG_MSG (("[unused] stopped idle threads, %d remain, %d threads still exist",
136 g_thread_pool_get_num_unused_threads (),
137 test_count_threads ()));
139 g_assert (g_thread_pool_get_num_unused_threads () == test_count_threads ());
140 g_assert (g_thread_pool_get_num_unused_threads () == 0);
142 g_thread_pool_set_max_unused_threads (MAX_THREADS);
144 DEBUG_MSG (("[unused] cleaning up thread pool"));
145 g_thread_pool_free (pool, FALSE, TRUE);
149 test_thread_pools_entry_func (gpointer data, gpointer user_data)
153 id = GPOINTER_TO_UINT (data);
155 DEBUG_MSG (("[pool] ---> [%3.3d] entered thread.", id));
157 G_LOCK (thread_counter_pools);
158 abs_thread_counter++;
159 running_thread_counter++;
160 G_UNLOCK (thread_counter_pools);
162 g_usleep (g_random_int_range (0, 4000));
164 G_LOCK (thread_counter_pools);
165 running_thread_counter--;
166 leftover_task_counter--;
168 DEBUG_MSG (("[pool] ---> [%3.3d] exiting thread (abs count:%ld, "
169 "running count:%ld, left over:%ld)",
170 id, abs_thread_counter,
171 running_thread_counter, leftover_task_counter));
172 G_UNLOCK (thread_counter_pools);
176 test_thread_pools (void)
178 GThreadPool *pool1, *pool2, *pool3;
182 pool1 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 3, FALSE, NULL);
183 pool2 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 5, TRUE, NULL);
184 pool3 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 7, TRUE, NULL);
187 for (i = 0; i < runs; i++)
189 g_thread_pool_push (pool1, GUINT_TO_POINTER (i + 1), NULL);
190 g_thread_pool_push (pool2, GUINT_TO_POINTER (i + 1), NULL);
191 g_thread_pool_push (pool3, GUINT_TO_POINTER (i + 1), NULL);
192 leftover_task_counter += 3;
195 g_thread_pool_free (pool1, TRUE, TRUE);
196 g_thread_pool_free (pool2, FALSE, TRUE);
197 g_thread_pool_free (pool3, FALSE, TRUE);
199 g_assert (runs * 3 == abs_thread_counter + leftover_task_counter);
200 g_assert (running_thread_counter == 0);
204 test_thread_sort_compare_func (gconstpointer a, gconstpointer b, gpointer user_data)
208 id1 = GPOINTER_TO_UINT (a);
209 id2 = GPOINTER_TO_UINT (b);
211 return (id1 > id2 ? +1 : id1 == id2 ? 0 : -1);
215 test_thread_sort_entry_func (gpointer data, gpointer user_data)
220 G_LOCK (last_thread);
222 thread_id = GPOINTER_TO_UINT (data);
223 is_sorted = GPOINTER_TO_INT (user_data);
225 DEBUG_MSG (("%s ---> entered thread:%2.2d, last thread:%2.2d",
226 is_sorted ? "[ sorted]" : "[unsorted]",
227 thread_id, last_thread_id));
230 static gboolean last_failed = FALSE;
232 if (last_thread_id > thread_id) {
234 g_assert (last_thread_id <= thread_id);
237 /* Here we remember one fail and if it concurrently fails, it
238 * can not be sorted. the last thread id might be < this thread
239 * id if something is added to the queue since threads were
247 last_thread_id = thread_id;
250 G_UNLOCK (last_thread);
252 g_usleep (WAIT * 1000);
256 test_thread_sort (gboolean sort)
263 limit = MAX_THREADS * 10;
268 max_threads = MAX_THREADS;
271 /* It is important that we only have a maximum of 1 thread for this
272 * test since the results can not be guranteed to be sorted if > 1.
274 * Threads are scheduled by the operating system and are executed at
275 * random. It cannot be assumed that threads are executed in the
276 * order they are created. This was discussed in bug #334943.
279 pool = g_thread_pool_new (test_thread_sort_entry_func,
280 GINT_TO_POINTER (sort),
285 g_thread_pool_set_max_unused_threads (MAX_UNUSED_THREADS);
288 g_thread_pool_set_sort_function (pool,
289 test_thread_sort_compare_func,
290 GUINT_TO_POINTER (69));
293 for (i = 0; i < limit; i++) {
296 id = g_random_int_range (1, limit) + 1;
297 g_thread_pool_push (pool, GUINT_TO_POINTER (id), NULL);
298 DEBUG_MSG (("%s ===> pushed new thread with id:%d, number "
299 "of threads:%d, unprocessed:%d",
300 sort ? "[ sorted]" : "[unsorted]",
302 g_thread_pool_get_num_threads (pool),
303 g_thread_pool_unprocessed (pool)));
306 g_assert (g_thread_pool_get_max_threads (pool) == max_threads);
307 g_assert (g_thread_pool_get_num_threads (pool) == g_thread_pool_get_max_threads (pool));
311 test_thread_idle_time_entry_func (gpointer data, gpointer user_data)
315 thread_id = GPOINTER_TO_UINT (data);
317 DEBUG_MSG (("[idle] ---> entered thread:%2.2d", thread_id));
319 g_usleep (WAIT * 1000);
321 DEBUG_MSG (("[idle] <--- exiting thread:%2.2d", thread_id));
325 test_thread_idle_timeout (gpointer data)
330 interval = GPOINTER_TO_UINT (data);
332 for (i = 0; i < 2; i++) {
333 g_thread_pool_push (idle_pool, GUINT_TO_POINTER (100 + i), NULL);
334 DEBUG_MSG (("[idle] ===> pushed new thread with id:%d, number "
335 "of threads:%d, unprocessed:%d",
337 g_thread_pool_get_num_threads (idle_pool),
338 g_thread_pool_unprocessed (idle_pool)));
346 test_thread_idle_time ()
349 guint interval = 10000;
352 idle_pool = g_thread_pool_new (test_thread_idle_time_entry_func,
358 g_thread_pool_set_max_unused_threads (MAX_UNUSED_THREADS);
359 g_thread_pool_set_max_idle_time (interval);
361 g_assert (g_thread_pool_get_max_unused_threads () == MAX_UNUSED_THREADS);
362 g_assert (g_thread_pool_get_max_idle_time () == interval);
364 for (i = 0; i < limit; i++) {
365 g_thread_pool_push (idle_pool, GUINT_TO_POINTER (i + 1), NULL);
366 DEBUG_MSG (("[idle] ===> pushed new thread with id:%d, "
367 "number of threads:%d, unprocessed:%d",
369 g_thread_pool_get_num_threads (idle_pool),
370 g_thread_pool_unprocessed (idle_pool)));
373 g_timeout_add ((interval - 1000),
374 test_thread_idle_timeout,
375 GUINT_TO_POINTER (interval));
379 test_check_start_and_stop (gpointer user_data)
381 static guint test_number = 0;
382 static gboolean run_next = FALSE;
383 gboolean continue_timeout = TRUE;
384 gboolean quit = TRUE;
386 if (test_number == 0) {
388 DEBUG_MSG (("***** RUNNING TEST %2.2d *****", test_number));
394 switch (test_number) {
396 test_thread_functions ();
399 test_thread_stop_unused ();
402 test_thread_pools ();
405 test_thread_sort (FALSE);
408 test_thread_sort (TRUE);
411 test_thread_idle_time ();
414 DEBUG_MSG (("***** END OF TESTS *****"));
415 g_main_loop_quit (main_loop);
416 continue_timeout = FALSE;
424 if (test_number == 3) {
425 G_LOCK (thread_counter_pools);
426 quit &= running_thread_counter <= 0;
427 DEBUG_MSG (("***** POOL RUNNING THREAD COUNT:%ld",
428 running_thread_counter));
429 G_UNLOCK (thread_counter_pools);
432 if (test_number == 4 || test_number == 5) {
433 G_LOCK (thread_counter_sort);
434 quit &= sort_thread_counter <= 0;
435 DEBUG_MSG (("***** POOL SORT THREAD COUNT:%ld",
436 sort_thread_counter));
437 G_UNLOCK (thread_counter_sort);
440 if (test_number == 6) {
443 idle = g_thread_pool_get_num_unused_threads ();
445 DEBUG_MSG (("***** POOL IDLE THREAD COUNT:%d, UNPROCESSED JOBS:%d",
446 idle, g_thread_pool_unprocessed (idle_pool)));
453 return continue_timeout;
457 main (int argc, char *argv[])
459 /* Only run the test, if threads are enabled and a default thread
460 implementation is available */
462 #if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)
463 g_thread_init (NULL);
465 DEBUG_MSG (("Starting... (in one second)"));
466 g_timeout_add (1000, test_check_start_and_stop, NULL);
468 main_loop = g_main_loop_new (NULL, FALSE);
469 g_main_loop_run (main_loop);