10 #include <fcntl.h> /* For _O_BINARY used by pipe() macro */
17 #define CRAWLER_TIMEOUT_RANGE 40
18 #define RECURSER_TIMEOUT 50
20 G_LOCK_DEFINE_STATIC (context_array_lock);
21 GPtrArray *context_array;
24 G_LOCK_DEFINE_STATIC (crawler_array_lock);
25 GPtrArray *crawler_array;
27 typedef struct _AddrData AddrData;
28 typedef struct _TestData TestData;
44 static void cleanup_crawlers (GMainContext *context);
47 read_all (GIOChannel *channel, char *buf, int len)
53 while (bytes_read < len)
55 err = g_io_channel_read (channel, buf + bytes_read, len - bytes_read, &count);
58 if (err != G_IO_ERROR_AGAIN)
71 write_all (GIOChannel *channel, char *buf, int len)
73 int bytes_written = 0;
77 while (bytes_written < len)
79 err = g_io_channel_write (channel, buf + bytes_written, len - bytes_written, &count);
80 if (err && err != G_IO_ERROR_AGAIN)
83 bytes_written += count;
90 adder_callback (GIOChannel *source,
91 GIOCondition condition,
99 AddrData *addr_data = data;
101 if (!read_all (source, buf1, 32) ||
102 !read_all (source, buf2, 32))
104 g_main_loop_quit (addr_data->loop);
108 sprintf (result, "%d", atoi(buf1) + atoi(buf2));
109 write_all (addr_data->dest, result, 32);
115 timeout_callback (gpointer data)
117 AddrData *addr_data = data;
125 adder_thread (gpointer data)
127 GMainContext *context;
128 GSource *adder_source;
129 GSource *timeout_source;
131 GIOChannel **channels = data;
134 context = g_main_context_get (g_thread_self());
136 G_LOCK (context_array_lock);
137 g_ptr_array_add (context_array, context);
138 G_UNLOCK (context_array_lock);
140 addr_data.dest = channels[1];
141 addr_data.loop = g_main_loop_new (context, FALSE);
144 adder_source = g_io_create_watch (channels[0], G_IO_IN | G_IO_HUP);
145 g_source_set_callback (adder_source, (GSourceFunc)adder_callback, &addr_data, NULL);
146 g_source_attach (adder_source, context);
147 g_source_unref (adder_source);
149 timeout_source = g_timeout_source_new (10);
150 g_source_set_callback (timeout_source, (GSourceFunc)timeout_callback, &addr_data, NULL);
151 g_source_set_priority (timeout_source, G_PRIORITY_HIGH);
152 g_source_attach (timeout_source, context);
153 g_source_unref (timeout_source);
155 g_main_run (addr_data.loop);
157 g_io_channel_close (channels[0]);
158 g_io_channel_close (channels[1]);
159 g_io_channel_unref (channels[0]);
160 g_io_channel_unref (channels[1]);
164 g_main_loop_unref (addr_data.loop);
166 g_print ("Timeout run %d times\n", addr_data.count);
168 G_LOCK (context_array_lock);
169 g_ptr_array_remove (context_array, context);
170 if (context_array->len == 0)
171 g_main_loop_quit (main_loop);
172 G_UNLOCK (context_array_lock);
174 cleanup_crawlers (context);
178 io_pipe (GIOChannel **channels)
184 g_warning ("Cannot create pipe %s\n", g_strerror (errno));
188 channels[0] = g_io_channel_unix_new (fds[0]);
189 channels[1] = g_io_channel_unix_new (fds[1]);
193 do_add (GIOChannel *in, gint a, gint b)
198 sprintf (buf1, "%d", a);
199 sprintf (buf2, "%d", b);
201 write_all (in, buf1, 32);
202 write_all (in, buf2, 32);
206 adder_response (GIOChannel *source,
207 GIOCondition condition,
211 TestData *test_data = data;
213 if (!read_all (source, result, 32))
216 test_data->current_val = atoi (result);
219 if (test_data->iters == 0)
221 if (test_data->current_val != ITERS * INCREMENT)
223 g_print ("Addition failed: %d != %d\n",
224 test_data->current_val, ITERS * INCREMENT);
228 g_io_channel_close (source);
229 g_io_channel_close (test_data->in);
231 g_io_channel_unref (source);
232 g_io_channel_unref (test_data->in);
237 do_add (test_data->in, test_data->current_val, INCREMENT);
243 create_adder_thread (void)
248 GIOChannel *in_channels[2];
249 GIOChannel *out_channels[2];
251 GIOChannel **sub_channels;
253 sub_channels = g_new (GIOChannel *, 2);
255 io_pipe (in_channels);
256 io_pipe (out_channels);
258 sub_channels[0] = in_channels[0];
259 sub_channels[1] = out_channels[1];
261 g_thread_create (adder_thread, sub_channels, 0,
262 FALSE, TRUE, G_THREAD_PRIORITY_NORMAL, &err);
266 g_warning ("Cannot create thread: %s", err->message);
270 test_data = g_new (TestData, 1);
271 test_data->in = in_channels[1];
272 test_data->current_val = 0;
273 test_data->iters = ITERS;
275 g_io_add_watch (out_channels[0], G_IO_IN | G_IO_HUP,
276 adder_response, test_data);
278 do_add (test_data->in, test_data->current_val, INCREMENT);
281 static void create_crawler (void);
284 remove_crawler (void)
286 GSource *other_source;
288 if (crawler_array->len > 0)
290 other_source = crawler_array->pdata[g_random_int_range (0, crawler_array->len)];
291 g_source_destroy (other_source);
292 g_assert (g_ptr_array_remove_fast (crawler_array, other_source));
297 crawler_callback (gpointer data)
299 GSource *source = data;
301 G_LOCK (crawler_array_lock);
303 if (!g_ptr_array_remove_fast (crawler_array, source))
307 G_UNLOCK (crawler_array_lock);
316 create_crawler (void)
318 GSource *source = g_timeout_source_new (g_random_int_range (0, CRAWLER_TIMEOUT_RANGE));
319 g_source_set_callback (source, (GSourceFunc)crawler_callback, source, NULL);
321 G_LOCK (context_array_lock);
322 g_source_attach (source, context_array->pdata[g_random_int_range (0, context_array->len)]);
323 g_source_unref (source);
324 G_UNLOCK (context_array_lock);
326 G_LOCK (crawler_array_lock);
327 g_ptr_array_add (crawler_array, source);
328 G_UNLOCK (crawler_array_lock);
332 cleanup_crawlers (GMainContext *context)
336 G_LOCK (crawler_array_lock);
337 for (i=0; i < crawler_array->len; i++)
339 if (g_source_get_context (crawler_array->pdata[i]) == context)
341 g_source_destroy (g_ptr_array_remove_index (crawler_array, i));
345 G_UNLOCK (crawler_array_lock);
349 recurser_idle (gpointer data)
351 GMainContext *context = data;
354 for (i = 0; i < 10; i++)
355 g_main_context_iteration (context, TRUE);
361 recurser_start (gpointer data)
363 GMainContext *context;
366 G_LOCK (context_array_lock);
367 context = context_array->pdata[g_random_int_range (0, context_array->len)];
368 source = g_idle_source_new ();
369 g_source_set_callback (source, recurser_idle, context, NULL);
370 g_source_attach (source, context);
371 g_source_unref (source);
372 G_UNLOCK (context_array_lock);
381 /* Only run the test, if threads are enabled and a default thread
382 implementation is available */
383 #if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)
386 g_thread_init (NULL);
388 context_array = g_ptr_array_new ();
389 crawler_array = g_ptr_array_new ();
391 main_loop = g_main_loop_new (NULL, FALSE);
393 for (i = 0; i < NTHREADS; i++)
394 create_adder_thread ();
396 for (i = 0; i < NCRAWLERS; i++)
399 g_timeout_add (RECURSER_TIMEOUT, recurser_start, NULL);
401 g_main_loop_run (main_loop);
402 g_main_loop_unref (main_loop);