1 #undef G_DISABLE_ASSERT
11 # define DEBUG_MSG(args) g_printerr args ; g_printerr ("\n");
16 #define WAIT 5 /* seconds */
17 #define MAX_THREADS 10
19 /* if > 0 the test will run continuously (since the test ends when
20 * thread count is 0), if -1 it means no limit to unused threads
21 * if 0 then no unused threads are possible */
22 #define MAX_UNUSED_THREADS -1
24 G_LOCK_DEFINE_STATIC (thread_counter_pools);
26 static gulong abs_thread_counter = 0;
27 static gulong running_thread_counter = 0;
28 static gulong leftover_task_counter = 0;
30 G_LOCK_DEFINE_STATIC (last_thread);
32 static guint last_thread_id = 0;
34 G_LOCK_DEFINE_STATIC (thread_counter_sort);
36 static gulong sort_thread_counter = 0;
38 static GThreadPool *idle_pool = NULL;
40 static GMainLoop *main_loop = NULL;
43 test_thread_functions (void)
45 gint max_unused_threads;
48 /* This function attempts to call functions which don't need a
49 * threadpool to operate to make sure no uninitialised pointers
50 * accessed and no errors occur.
53 max_unused_threads = 3;
55 DEBUG_MSG (("[funcs] Setting max unused threads to %d",
57 g_thread_pool_set_max_unused_threads (max_unused_threads);
59 DEBUG_MSG (("[funcs] Getting max unused threads = %d",
60 g_thread_pool_get_max_unused_threads ()));
61 g_assert (g_thread_pool_get_max_unused_threads() == max_unused_threads);
63 DEBUG_MSG (("[funcs] Getting num unused threads = %d",
64 g_thread_pool_get_num_unused_threads ()));
65 g_assert (g_thread_pool_get_num_unused_threads () == 0);
67 DEBUG_MSG (("[funcs] Stopping unused threads"));
68 g_thread_pool_stop_unused_threads ();
70 max_idle_time = 10 * G_USEC_PER_SEC;
72 DEBUG_MSG (("[funcs] Setting max idle time to %d",
74 g_thread_pool_set_max_idle_time (max_idle_time);
76 DEBUG_MSG (("[funcs] Getting max idle time = %d",
77 g_thread_pool_get_max_idle_time ()));
78 g_assert (g_thread_pool_get_max_idle_time () == max_idle_time);
80 DEBUG_MSG (("[funcs] Setting max idle time to 0"));
81 g_thread_pool_set_max_idle_time (0);
83 DEBUG_MSG (("[funcs] Getting max idle time = %d",
84 g_thread_pool_get_max_idle_time ()));
85 g_assert (g_thread_pool_get_max_idle_time () == 0);
89 test_thread_stop_unused (void)
95 /* Spawn a few threads. */
96 g_thread_pool_set_max_unused_threads (-1);
97 pool = g_thread_pool_new ((GFunc) g_usleep, NULL, -1, FALSE, NULL);
99 for (i = 0; i < limit; i++)
100 g_thread_pool_push (pool, GUINT_TO_POINTER (1000), NULL);
102 DEBUG_MSG (("[unused] ===> pushed %d threads onto the idle pool",
105 /* Wait for the threads to migrate. */
106 g_usleep (G_USEC_PER_SEC);
108 DEBUG_MSG (("[unused] stopping unused threads"));
109 g_thread_pool_stop_unused_threads ();
111 for (i = 0; i < 5; i++)
113 if (g_thread_pool_get_num_unused_threads () == 0)
116 DEBUG_MSG (("[unused] waiting ONE second for threads to die"));
118 /* Some time for threads to die. */
119 g_usleep (G_USEC_PER_SEC);
122 DEBUG_MSG (("[unused] stopped idle threads, %d remain",
123 g_thread_pool_get_num_unused_threads ()));
125 g_assert (g_thread_pool_get_num_unused_threads () == 0);
127 g_thread_pool_set_max_unused_threads (MAX_THREADS);
129 DEBUG_MSG (("[unused] cleaning up thread pool"));
130 g_thread_pool_free (pool, FALSE, TRUE);
134 test_thread_pools_entry_func (gpointer data, gpointer user_data)
139 id = GPOINTER_TO_UINT (data);
142 DEBUG_MSG (("[pool] ---> [%3.3d] entered thread.", id));
144 G_LOCK (thread_counter_pools);
145 abs_thread_counter++;
146 running_thread_counter++;
147 G_UNLOCK (thread_counter_pools);
149 g_usleep (g_random_int_range (0, 4000));
151 G_LOCK (thread_counter_pools);
152 running_thread_counter--;
153 leftover_task_counter--;
155 DEBUG_MSG (("[pool] ---> [%3.3d] exiting thread (abs count:%ld, "
156 "running count:%ld, left over:%ld)",
157 id, abs_thread_counter,
158 running_thread_counter, leftover_task_counter));
159 G_UNLOCK (thread_counter_pools);
163 test_thread_pools (void)
165 GThreadPool *pool1, *pool2, *pool3;
169 pool1 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 3, FALSE, NULL);
170 pool2 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 5, TRUE, NULL);
171 pool3 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 7, TRUE, NULL);
174 for (i = 0; i < runs; i++)
176 g_thread_pool_push (pool1, GUINT_TO_POINTER (i + 1), NULL);
177 g_thread_pool_push (pool2, GUINT_TO_POINTER (i + 1), NULL);
178 g_thread_pool_push (pool3, GUINT_TO_POINTER (i + 1), NULL);
180 G_LOCK (thread_counter_pools);
181 leftover_task_counter += 3;
182 G_UNLOCK (thread_counter_pools);
185 g_thread_pool_free (pool1, TRUE, TRUE);
186 g_thread_pool_free (pool2, FALSE, TRUE);
187 g_thread_pool_free (pool3, FALSE, TRUE);
189 g_assert (runs * 3 == abs_thread_counter + leftover_task_counter);
190 g_assert (running_thread_counter == 0);
194 test_thread_sort_compare_func (gconstpointer a, gconstpointer b, gpointer user_data)
198 id1 = GPOINTER_TO_UINT (a);
199 id2 = GPOINTER_TO_UINT (b);
201 return (id1 > id2 ? +1 : id1 == id2 ? 0 : -1);
205 test_thread_sort_entry_func (gpointer data, gpointer user_data)
210 G_LOCK (last_thread);
212 thread_id = GPOINTER_TO_UINT (data);
213 is_sorted = GPOINTER_TO_INT (user_data);
215 DEBUG_MSG (("%s ---> entered thread:%2.2d, last thread:%2.2d",
216 is_sorted ? "[ sorted]" : "[unsorted]",
217 thread_id, last_thread_id));
220 static gboolean last_failed = FALSE;
222 if (last_thread_id > thread_id) {
224 g_assert (last_thread_id <= thread_id);
227 /* Here we remember one fail and if it concurrently fails, it
228 * can not be sorted. the last thread id might be < this thread
229 * id if something is added to the queue since threads were
237 last_thread_id = thread_id;
240 G_UNLOCK (last_thread);
242 g_usleep (WAIT * 1000);
246 test_thread_sort (gboolean sort)
253 limit = MAX_THREADS * 10;
258 max_threads = MAX_THREADS;
261 /* It is important that we only have a maximum of 1 thread for this
262 * test since the results can not be guaranteed to be sorted if > 1.
264 * Threads are scheduled by the operating system and are executed at
265 * random. It cannot be assumed that threads are executed in the
266 * order they are created. This was discussed in bug #334943.
269 pool = g_thread_pool_new (test_thread_sort_entry_func,
270 GINT_TO_POINTER (sort),
275 g_thread_pool_set_max_unused_threads (MAX_UNUSED_THREADS);
278 g_thread_pool_set_sort_function (pool,
279 test_thread_sort_compare_func,
280 GUINT_TO_POINTER (69));
283 for (i = 0; i < limit; i++) {
286 id = g_random_int_range (1, limit) + 1;
287 g_thread_pool_push (pool, GUINT_TO_POINTER (id), NULL);
288 DEBUG_MSG (("%s ===> pushed new thread with id:%d, number "
289 "of threads:%d, unprocessed:%d",
290 sort ? "[ sorted]" : "[unsorted]",
292 g_thread_pool_get_num_threads (pool),
293 g_thread_pool_unprocessed (pool)));
296 g_assert (g_thread_pool_get_max_threads (pool) == max_threads);
297 g_assert (g_thread_pool_get_num_threads (pool) == g_thread_pool_get_max_threads (pool));
301 test_thread_idle_time_entry_func (gpointer data, gpointer user_data)
306 thread_id = GPOINTER_TO_UINT (data);
309 DEBUG_MSG (("[idle] ---> entered thread:%2.2d", thread_id));
311 g_usleep (WAIT * 1000);
313 DEBUG_MSG (("[idle] <--- exiting thread:%2.2d", thread_id));
317 test_thread_idle_timeout (gpointer data)
321 for (i = 0; i < 2; i++) {
322 g_thread_pool_push (idle_pool, GUINT_TO_POINTER (100 + i), NULL);
323 DEBUG_MSG (("[idle] ===> pushed new thread with id:%d, number "
324 "of threads:%d, unprocessed:%d",
326 g_thread_pool_get_num_threads (idle_pool),
327 g_thread_pool_unprocessed (idle_pool)));
335 test_thread_idle_time (void)
338 guint interval = 10000;
341 idle_pool = g_thread_pool_new (test_thread_idle_time_entry_func,
347 g_thread_pool_set_max_threads (idle_pool, MAX_THREADS, NULL);
348 g_thread_pool_set_max_unused_threads (MAX_UNUSED_THREADS);
349 g_thread_pool_set_max_idle_time (interval);
351 g_assert (g_thread_pool_get_max_threads (idle_pool) == MAX_THREADS);
352 g_assert (g_thread_pool_get_max_unused_threads () == MAX_UNUSED_THREADS);
353 g_assert (g_thread_pool_get_max_idle_time () == interval);
355 for (i = 0; i < limit; i++) {
356 g_thread_pool_push (idle_pool, GUINT_TO_POINTER (i + 1), NULL);
357 DEBUG_MSG (("[idle] ===> pushed new thread with id:%d, "
358 "number of threads:%d, unprocessed:%d",
360 g_thread_pool_get_num_threads (idle_pool),
361 g_thread_pool_unprocessed (idle_pool)));
364 g_assert_cmpint (g_thread_pool_unprocessed (idle_pool), <=, limit);
366 g_timeout_add ((interval - 1000),
367 test_thread_idle_timeout,
368 GUINT_TO_POINTER (interval));
372 test_check_start_and_stop (gpointer user_data)
374 static guint test_number = 0;
375 static gboolean run_next = FALSE;
376 gboolean continue_timeout = TRUE;
377 gboolean quit = TRUE;
379 if (test_number == 0) {
381 DEBUG_MSG (("***** RUNNING TEST %2.2d *****", test_number));
387 switch (test_number) {
389 test_thread_functions ();
392 test_thread_stop_unused ();
395 test_thread_pools ();
398 test_thread_sort (FALSE);
401 test_thread_sort (TRUE);
404 test_thread_stop_unused ();
407 test_thread_idle_time ();
410 DEBUG_MSG (("***** END OF TESTS *****"));
411 g_main_loop_quit (main_loop);
412 continue_timeout = FALSE;
420 if (test_number == 3) {
421 G_LOCK (thread_counter_pools);
422 quit &= running_thread_counter <= 0;
423 DEBUG_MSG (("***** POOL RUNNING THREAD COUNT:%ld",
424 running_thread_counter));
425 G_UNLOCK (thread_counter_pools);
428 if (test_number == 4 || test_number == 5) {
429 G_LOCK (thread_counter_sort);
430 quit &= sort_thread_counter <= 0;
431 DEBUG_MSG (("***** POOL SORT THREAD COUNT:%ld",
432 sort_thread_counter));
433 G_UNLOCK (thread_counter_sort);
436 if (test_number == 7) {
439 idle = g_thread_pool_get_num_unused_threads ();
441 DEBUG_MSG (("***** POOL IDLE THREAD COUNT:%d, UNPROCESSED JOBS:%d",
442 idle, g_thread_pool_unprocessed (idle_pool)));
449 return continue_timeout;
453 main (int argc, char *argv[])
455 g_thread_init (NULL);
457 DEBUG_MSG (("Starting... (in one second)"));
458 g_timeout_add (1000, test_check_start_and_stop, NULL);
460 main_loop = g_main_loop_new (NULL, FALSE);
461 g_main_loop_run (main_loop);