#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
-#include <config.h>
+#include "config.h"
#include <glib.h>
-#define d(x) x
+/* #define DEBUG 1 */
-#define RUNS 100
+#ifdef DEBUG
+# define DEBUG_MSG(args) g_printerr args ; g_printerr ("\n");
+#else
+# define DEBUG_MSG(x)
+#endif
#define WAIT 5 /* seconds */
#define MAX_THREADS 10
-#define MAX_UNUSED_THREADS 2
+
+/* if > 0 the test will run continuously (since the test ends when
+ * thread count is 0), if -1 it means no limit to unused threads
+ * if 0 then no unused threads are possible */
+#define MAX_UNUSED_THREADS -1
G_LOCK_DEFINE_STATIC (thread_counter_pools);
static gulong sort_thread_counter = 0;
+static GThreadPool *idle_pool = NULL;
static GMainLoop *main_loop = NULL;
+static void
+test_thread_functions (void)
+{
+ gint max_unused_threads;
+ guint max_idle_time;
+
+ /* This function attempts to call functions which don't need a
+ * threadpool to operate to make sure no uninitialised pointers
+ * accessed and no errors occur.
+ */
+
+ max_unused_threads = 3;
+
+ DEBUG_MSG (("[funcs] Setting max unused threads to %d",
+ max_unused_threads));
+ g_thread_pool_set_max_unused_threads (max_unused_threads);
+
+ DEBUG_MSG (("[funcs] Getting max unused threads = %d",
+ g_thread_pool_get_max_unused_threads ()));
+ g_assert (g_thread_pool_get_max_unused_threads() == max_unused_threads);
+
+ DEBUG_MSG (("[funcs] Getting num unused threads = %d",
+ g_thread_pool_get_num_unused_threads ()));
+ g_assert (g_thread_pool_get_num_unused_threads () == 0);
+
+ DEBUG_MSG (("[funcs] Stopping unused threads"));
+ g_thread_pool_stop_unused_threads ();
+
+ max_idle_time = 10 * G_USEC_PER_SEC;
+
+ DEBUG_MSG (("[funcs] Setting max idle time to %d",
+ max_idle_time));
+ g_thread_pool_set_max_idle_time (max_idle_time);
+
+ DEBUG_MSG (("[funcs] Getting max idle time = %d",
+ g_thread_pool_get_max_idle_time ()));
+ g_assert (g_thread_pool_get_max_idle_time () == max_idle_time);
+
+ DEBUG_MSG (("[funcs] Setting max idle time to 0"));
+ g_thread_pool_set_max_idle_time (0);
+
+ DEBUG_MSG (("[funcs] Getting max idle time = %d",
+ g_thread_pool_get_max_idle_time ()));
+ g_assert (g_thread_pool_get_max_idle_time () == 0);
+}
+
+static void
+test_thread_stop_unused (void)
+{
+ GThreadPool *pool;
+ guint i;
+ guint limit = 100;
+
+ /* Spawn a few threads. */
+ g_thread_pool_set_max_unused_threads (-1);
+ pool = g_thread_pool_new ((GFunc) g_usleep, NULL, -1, FALSE, NULL);
+
+ for (i = 0; i < limit; i++)
+ g_thread_pool_push (pool, GUINT_TO_POINTER (1000), NULL);
+
+ DEBUG_MSG (("[unused] ===> pushed %d threads onto the idle pool",
+ limit));
+
+ /* Wait for the threads to migrate. */
+ g_usleep (G_USEC_PER_SEC);
+
+ DEBUG_MSG (("[unused] stopping unused threads"));
+ g_thread_pool_stop_unused_threads ();
+
+ for (i = 0; i < 5; i++)
+ {
+ if (g_thread_pool_get_num_unused_threads () == 0)
+ break;
+
+ DEBUG_MSG (("[unused] waiting ONE second for threads to die"));
+
+ /* Some time for threads to die. */
+ g_usleep (G_USEC_PER_SEC);
+ }
+
+ DEBUG_MSG (("[unused] stopped idle threads, %d remain",
+ g_thread_pool_get_num_unused_threads ()));
+
+ g_assert (g_thread_pool_get_num_unused_threads () == 0);
+
+ g_thread_pool_set_max_unused_threads (MAX_THREADS);
+
+ DEBUG_MSG (("[unused] cleaning up thread pool"));
+ g_thread_pool_free (pool, FALSE, TRUE);
+}
static void
test_thread_pools_entry_func (gpointer data, gpointer user_data)
{
+#ifdef DEBUG
guint id = 0;
id = GPOINTER_TO_UINT (data);
+#endif
- d(g_print ("[pool] ---> [%3.3d] entered thread\n", id));
+ DEBUG_MSG (("[pool] ---> [%3.3d] entered thread.", id));
G_LOCK (thread_counter_pools);
abs_thread_counter++;
running_thread_counter--;
leftover_task_counter--;
- g_print ("[pool] ---> [%3.3d] exiting thread (abs count:%ld, running count:%ld, left over:%ld)\n",
- id, abs_thread_counter, running_thread_counter, leftover_task_counter);
+ DEBUG_MSG (("[pool] ---> [%3.3d] exiting thread (abs count:%ld, "
+ "running count:%ld, left over:%ld)",
+ id, abs_thread_counter,
+ running_thread_counter, leftover_task_counter));
G_UNLOCK (thread_counter_pools);
}
test_thread_pools (void)
{
GThreadPool *pool1, *pool2, *pool3;
+ guint runs;
guint i;
-
+
pool1 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 3, FALSE, NULL);
pool2 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 5, TRUE, NULL);
pool3 = g_thread_pool_new ((GFunc)test_thread_pools_entry_func, NULL, 7, TRUE, NULL);
- for (i = 0; i < RUNS; i++)
+ runs = 300;
+ for (i = 0; i < runs; i++)
{
- g_thread_pool_push (pool1, GUINT_TO_POINTER (i), NULL);
- g_thread_pool_push (pool2, GUINT_TO_POINTER (i), NULL);
- g_thread_pool_push (pool3, GUINT_TO_POINTER (i), NULL);
+ g_thread_pool_push (pool1, GUINT_TO_POINTER (i + 1), NULL);
+ g_thread_pool_push (pool2, GUINT_TO_POINTER (i + 1), NULL);
+ g_thread_pool_push (pool3, GUINT_TO_POINTER (i + 1), NULL);
+
+ G_LOCK (thread_counter_pools);
leftover_task_counter += 3;
- }
-
+ G_UNLOCK (thread_counter_pools);
+ }
+
g_thread_pool_free (pool1, TRUE, TRUE);
g_thread_pool_free (pool2, FALSE, TRUE);
g_thread_pool_free (pool3, FALSE, TRUE);
- g_assert (RUNS * 3 == abs_thread_counter + leftover_task_counter);
- g_assert (running_thread_counter == 0);
+ g_assert (runs * 3 == abs_thread_counter + leftover_task_counter);
+ g_assert (running_thread_counter == 0);
}
static gint
id1 = GPOINTER_TO_UINT (a);
id2 = GPOINTER_TO_UINT (b);
- return (id1 > id2 ? +1 : id1 == id2 ? 0 : -1);
+ return (id1 > id2 ? +1 : id1 == id2 ? 0 : -1);
}
static void
thread_id = GPOINTER_TO_UINT (data);
is_sorted = GPOINTER_TO_INT (user_data);
- d(g_print ("%s ---> entered thread:%2.2d, last thread:%2.2d\n",
- is_sorted ? "[ sorted]" : "[unsorted]", thread_id, last_thread_id));
+ DEBUG_MSG (("%s ---> entered thread:%2.2d, last thread:%2.2d",
+ is_sorted ? "[ sorted]" : "[unsorted]",
+ thread_id, last_thread_id));
if (is_sorted) {
static gboolean last_failed = FALSE;
if (last_thread_id > thread_id) {
if (last_failed) {
- g_assert (last_thread_id <= thread_id);
+ g_assert (last_thread_id <= thread_id);
}
- /* here we remember one fail and if it concurrently fails, it
- can not be sorted. the last thread id might be < this thread
- id if something is added to the queue since threads were
- created */
+ /* Here we remember one fail and if it concurrently fails, it
+ * can not be sorted. the last thread id might be < this thread
+ * id if something is added to the queue since threads were
+ * created
+ */
last_failed = TRUE;
} else {
last_failed = FALSE;
test_thread_sort (gboolean sort)
{
GThreadPool *pool;
- guint limit = 20;
+ guint limit;
+ guint max_threads;
gint i;
- pool = g_thread_pool_new (test_thread_sort_entry_func,
- GINT_TO_POINTER (sort),
- MAX_THREADS,
+ limit = MAX_THREADS * 10;
+
+ if (sort) {
+ max_threads = 1;
+ } else {
+ max_threads = MAX_THREADS;
+ }
+
+ /* It is important that we only have a maximum of 1 thread for this
+ * test since the results can not be guaranteed to be sorted if > 1.
+ *
+ * Threads are scheduled by the operating system and are executed at
+ * random. It cannot be assumed that threads are executed in the
+ * order they are created. This was discussed in bug #334943.
+ */
+
+ pool = g_thread_pool_new (test_thread_sort_entry_func,
+ GINT_TO_POINTER (sort),
+ max_threads,
FALSE,
NULL);
- g_thread_pool_set_max_unused_threads (MAX_UNUSED_THREADS);
+ g_thread_pool_set_max_unused_threads (MAX_UNUSED_THREADS);
if (sort) {
- g_thread_pool_set_sort_function (pool,
+ g_thread_pool_set_sort_function (pool,
test_thread_sort_compare_func,
GUINT_TO_POINTER (69));
}
-
+
for (i = 0; i < limit; i++) {
guint id;
- id = g_random_int_range (1, limit*2);
+ id = g_random_int_range (1, limit) + 1;
g_thread_pool_push (pool, GUINT_TO_POINTER (id), NULL);
+ DEBUG_MSG (("%s ===> pushed new thread with id:%d, number "
+ "of threads:%d, unprocessed:%d",
+ sort ? "[ sorted]" : "[unsorted]",
+ id,
+ g_thread_pool_get_num_threads (pool),
+ g_thread_pool_unprocessed (pool)));
}
+ g_assert (g_thread_pool_get_max_threads (pool) == max_threads);
g_assert (g_thread_pool_get_num_threads (pool) == g_thread_pool_get_max_threads (pool));
}
+static void
+test_thread_idle_time_entry_func (gpointer data, gpointer user_data)
+{
+#ifdef DEBUG
+ guint thread_id;
+
+ thread_id = GPOINTER_TO_UINT (data);
+#endif
+
+ DEBUG_MSG (("[idle] ---> entered thread:%2.2d", thread_id));
+
+ g_usleep (WAIT * 1000);
+
+ DEBUG_MSG (("[idle] <--- exiting thread:%2.2d", thread_id));
+}
+
+static gboolean
+test_thread_idle_timeout (gpointer data)
+{
+ gint i;
+
+ for (i = 0; i < 2; i++) {
+ g_thread_pool_push (idle_pool, GUINT_TO_POINTER (100 + i), NULL);
+ DEBUG_MSG (("[idle] ===> pushed new thread with id:%d, number "
+ "of threads:%d, unprocessed:%d",
+ 100 + i,
+ g_thread_pool_get_num_threads (idle_pool),
+ g_thread_pool_unprocessed (idle_pool)));
+ }
+
+
+ return FALSE;
+}
+
+static void
+test_thread_idle_time (void)
+{
+ guint limit = 50;
+ guint interval = 10000;
+ gint i;
+
+ idle_pool = g_thread_pool_new (test_thread_idle_time_entry_func,
+ NULL,
+ 0,
+ FALSE,
+ NULL);
+
+ g_thread_pool_set_max_threads (idle_pool, MAX_THREADS, NULL);
+ g_thread_pool_set_max_unused_threads (MAX_UNUSED_THREADS);
+ g_thread_pool_set_max_idle_time (interval);
+
+ g_assert (g_thread_pool_get_max_threads (idle_pool) == MAX_THREADS);
+ g_assert (g_thread_pool_get_max_unused_threads () == MAX_UNUSED_THREADS);
+ g_assert (g_thread_pool_get_max_idle_time () == interval);
+
+ for (i = 0; i < limit; i++) {
+ g_thread_pool_push (idle_pool, GUINT_TO_POINTER (i + 1), NULL);
+ DEBUG_MSG (("[idle] ===> pushed new thread with id:%d, "
+ "number of threads:%d, unprocessed:%d",
+ i,
+ g_thread_pool_get_num_threads (idle_pool),
+ g_thread_pool_unprocessed (idle_pool)));
+ }
+
+ g_assert_cmpint (g_thread_pool_unprocessed (idle_pool), <=, limit);
+
+ g_timeout_add ((interval - 1000),
+ test_thread_idle_timeout,
+ GUINT_TO_POINTER (interval));
+}
+
static gboolean
test_check_start_and_stop (gpointer user_data)
{
if (test_number == 0) {
run_next = TRUE;
- d(g_print ("***** RUNNING TEST %2.2d *****\n", test_number));
+ DEBUG_MSG (("***** RUNNING TEST %2.2d *****", test_number));
}
-
+
if (run_next) {
test_number++;
switch (test_number) {
case 1:
- test_thread_pools ();
+ test_thread_functions ();
break;
case 2:
- test_thread_sort (FALSE);
+ test_thread_stop_unused ();
break;
case 3:
- test_thread_sort (TRUE);
+ test_thread_pools ();
+ break;
+ case 4:
+ test_thread_sort (FALSE);
+ break;
+ case 5:
+ test_thread_sort (TRUE);
+ break;
+ case 6:
+ test_thread_stop_unused ();
+ break;
+ case 7:
+ test_thread_idle_time ();
break;
default:
- d(g_print ("***** END OF TESTS *****\n"));
+ DEBUG_MSG (("***** END OF TESTS *****"));
g_main_loop_quit (main_loop);
continue_timeout = FALSE;
break;
return TRUE;
}
- if (test_number == 1) {
- G_LOCK (thread_counter_pools);
+ if (test_number == 3) {
+ G_LOCK (thread_counter_pools);
quit &= running_thread_counter <= 0;
- d(g_print ("***** POOL RUNNING THREAD COUNT:%ld\n",
- running_thread_counter));
- G_UNLOCK (thread_counter_pools);
+ DEBUG_MSG (("***** POOL RUNNING THREAD COUNT:%ld",
+ running_thread_counter));
+ G_UNLOCK (thread_counter_pools);
}
- if (test_number == 2 || test_number == 3) {
+ if (test_number == 4 || test_number == 5) {
G_LOCK (thread_counter_sort);
quit &= sort_thread_counter <= 0;
- d(g_print ("***** POOL SORT THREAD COUNT:%ld\n",
- sort_thread_counter));
- G_UNLOCK (thread_counter_sort);
+ DEBUG_MSG (("***** POOL SORT THREAD COUNT:%ld",
+ sort_thread_counter));
+ G_UNLOCK (thread_counter_sort);
+ }
+
+ if (test_number == 7) {
+ guint idle;
+
+ idle = g_thread_pool_get_num_unused_threads ();
+ quit &= idle < 1;
+ DEBUG_MSG (("***** POOL IDLE THREAD COUNT:%d, UNPROCESSED JOBS:%d",
+ idle, g_thread_pool_unprocessed (idle_pool)));
}
if (quit) {
return continue_timeout;
}
-int
+int
main (int argc, char *argv[])
{
- /* Only run the test, if threads are enabled and a default thread
- implementation is available */
+ DEBUG_MSG (("Starting... (in one second)"));
+ g_timeout_add (1000, test_check_start_and_stop, NULL);
-#if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)
- g_thread_init (NULL);
-
- d(g_print ("Starting... (in one second)\n"));
- g_timeout_add (1000, test_check_start_and_stop, NULL);
-
main_loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (main_loop);
-#endif
return 0;
}
projects / platform / upstream / glib.git / blobdiff