tests/threadpool-test.c

   1 #include <glib.h>
   2
   3 #define RUNS 100
   4
   5 G_LOCK_DEFINE_STATIC (thread_counter);
   6 gulong abs_thread_counter;
   7 gulong running_thread_counter;
   8
   9 void
  10 thread_pool_func (gpointer a, gpointer b)
  11 {
  12   G_LOCK (thread_counter);
  13   abs_thread_counter++;
  14   running_thread_counter++;
  15   G_UNLOCK (thread_counter);
  16
  17   g_usleep (g_random_int_range (0, 4000));
  18
  19   G_LOCK (thread_counter);
  20   running_thread_counter--;
  21   G_UNLOCK (thread_counter);
  22 }
  23
  24 int
  25 main (int   argc,
  26       char *argv[])
  27 {
  28   /* Only run the test, if threads are enabled and a default thread
  29      implementation is available */
  30 #if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)
  31   GThreadPool *pool1, *pool2, *pool3;
  32   guint i;
  33   g_thread_init (NULL);
  34
  35   pool1 = g_thread_pool_new (thread_pool_func, 3, 0, FALSE,
  36                             G_THREAD_PRIORITY_NORMAL, FALSE, NULL, NULL);
  37   pool2 = g_thread_pool_new (thread_pool_func, 5, 0, FALSE,
  38                              G_THREAD_PRIORITY_LOW, FALSE, NULL, NULL);
  39   pool3 = g_thread_pool_new (thread_pool_func, 7, 0, FALSE,
  40                              G_THREAD_PRIORITY_LOW, TRUE, NULL, NULL);
  41
  42   for (i = 0; i < RUNS; i++)
  43     {
  44       g_thread_pool_push (pool1, GUINT_TO_POINTER (1), NULL);
  45       g_thread_pool_push (pool2, GUINT_TO_POINTER (1), NULL);
  46       g_thread_pool_push (pool3, GUINT_TO_POINTER (1), NULL);
  47     }
  48
  49   g_thread_pool_free (pool1, FALSE, TRUE);
  50   g_thread_pool_free (pool2, FALSE, TRUE);
  51   g_thread_pool_free (pool3, FALSE, TRUE);
  52
  53   g_assert (RUNS * 3 == abs_thread_counter);
  54   g_assert (running_thread_counter == 0);
  55 #endif
  56   return 0;
  57 }