glib/tsrc/BC/src/tthread.c
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 02:01:42 +0200
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permissions -rw-r--r--
Revision: 201002 Kit: 201005
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#undef G_DISABLE_ASSERT
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#undef G_LOG_DOMAIN
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#include <glib.h>
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#include <stdio.h>
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#ifdef SYMBIAN
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#include <glib_global.h>
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#include "mrt2_glib2_test.h"
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#endif /*SYMBIAN*/
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#define THREADS 10
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/* GStaticRecMutex */
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GStaticRecMutex test_g_static_rec_mutex_mutex;
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static guint test_g_static_rec_mutex_int = 0;
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static gboolean test_g_static_rec_mutex_thread_ready;
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static gpointer
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test_g_static_rec_mutex_thread (gpointer data)
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{
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  g_assert (GPOINTER_TO_INT (data) == 42);
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  g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex) 
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	    == FALSE);
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  test_g_static_rec_mutex_thread_ready = TRUE;
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  //Testing g_static_rec_mutex_lock_full
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  g_static_rec_mutex_lock_full (&test_g_static_rec_mutex_mutex, 10);
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  g_assert (test_g_static_rec_mutex_int == 42);
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  test_g_static_rec_mutex_thread_ready = FALSE;
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  //Testing g_static_rec_mutex_unlock_full for lock_full
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  g_static_rec_mutex_unlock_full (&test_g_static_rec_mutex_mutex);
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  g_thread_exit (GINT_TO_POINTER (43));
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  g_assert_not_reached ();
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  return NULL;
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}
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static void
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test_g_static_rec_mutex (void)
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{
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  GThread *thread;
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  //Test for g_static_rec_mutex_init	
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  g_static_rec_mutex_init(&test_g_static_rec_mutex_mutex);
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  g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
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  test_g_static_rec_mutex_thread_ready = FALSE;
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  thread = g_thread_create (test_g_static_rec_mutex_thread, 
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			    GINT_TO_POINTER (42), TRUE, NULL);
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  /* This busy wait is only for testing purposes and not an example of
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   * good code!*/
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  while (!test_g_static_rec_mutex_thread_ready)
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    g_usleep (G_USEC_PER_SEC / 5);
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  g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
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  test_g_static_rec_mutex_int = 41;
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  g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
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  test_g_static_rec_mutex_int = 42;  
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  g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
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  /* This busy wait is only for testing purposes and not an example of
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   * good code!*/
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  while (test_g_static_rec_mutex_thread_ready)
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    g_usleep (G_USEC_PER_SEC / 5);
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  g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
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  test_g_static_rec_mutex_int = 0;  
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  //Testing g_static_rec_mutex_unlock_full with normal single lock
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  g_static_rec_mutex_unlock_full (&test_g_static_rec_mutex_mutex);
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  g_assert (GPOINTER_TO_INT (g_thread_join (thread)) == 43);
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  g_static_rec_mutex_free (&test_g_static_rec_mutex_mutex);
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}
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/* GStaticRWLock */
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/* -1 = writing; >0 = # of readers */
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static gint test_g_static_rw_lock_state = 0; 
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G_LOCK_DEFINE (test_g_static_rw_lock_state);
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static gboolean test_g_static_rw_lock_run = TRUE; 
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GStaticRWLock test_g_static_rw_lock_lock;// = G_STATIC_RW_LOCK_INIT;
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static gpointer
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test_g_static_rw_lock_thread (gpointer data)
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{
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  while (test_g_static_rw_lock_run)
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    {
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      if (g_random_double() > .2) /* I'm a reader */
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	{
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	  if (g_random_double() > .2) /* I'll block */
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	    g_static_rw_lock_reader_lock (&test_g_static_rw_lock_lock);
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	  else /* I'll only try */
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	    if (!g_static_rw_lock_reader_trylock (&test_g_static_rw_lock_lock))
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	      continue;
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	  G_LOCK (test_g_static_rw_lock_state);
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	  g_assert (test_g_static_rw_lock_state >= 0);
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	  test_g_static_rw_lock_state++;
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	  G_UNLOCK (test_g_static_rw_lock_state);
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	  g_usleep (g_random_int_range (20,1000));
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   110
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	  G_LOCK (test_g_static_rw_lock_state);
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	  test_g_static_rw_lock_state--;
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	  G_UNLOCK (test_g_static_rw_lock_state);
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   114
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	  g_static_rw_lock_reader_unlock (&test_g_static_rw_lock_lock);
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	}
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      else /* I'm a writer */
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	{
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   119
	  
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	  if (g_random_double() > .2) /* I'll block */ 
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	    g_static_rw_lock_writer_lock (&test_g_static_rw_lock_lock);
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	  else /* I'll only try */
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	    if (!g_static_rw_lock_writer_trylock (&test_g_static_rw_lock_lock))
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	      continue;
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	  G_LOCK (test_g_static_rw_lock_state);
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	  g_assert (test_g_static_rw_lock_state == 0);
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	  test_g_static_rw_lock_state = -1;
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	  G_UNLOCK (test_g_static_rw_lock_state);
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	  g_usleep (g_random_int_range (20,1000));
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	  G_LOCK (test_g_static_rw_lock_state);
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	  test_g_static_rw_lock_state = 0;
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	  G_UNLOCK (test_g_static_rw_lock_state);
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   135
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	  g_static_rw_lock_writer_unlock (&test_g_static_rw_lock_lock);
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	}
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    }
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  return NULL;
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}
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   141
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static void
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test_g_static_rw_lock ()
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{
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  GThread *threads[THREADS];
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  guint i;
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  g_static_rw_lock_init(&test_g_static_rw_lock_lock);
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  for (i = 0; i < THREADS; i++)
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    {
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      threads[i] = g_thread_create (test_g_static_rw_lock_thread, 
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				    NULL, TRUE, NULL);      
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    }
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  g_usleep (G_USEC_PER_SEC * 5);
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  test_g_static_rw_lock_run = FALSE;
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  for (i = 0; i < THREADS; i++)
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   158
    {
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      g_thread_join (threads[i]);
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    }
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  g_assert (test_g_static_rw_lock_state == 0);
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  g_static_rw_lock_free(&test_g_static_rw_lock_lock);
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}
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   164
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void test_g_thread_error_quark()
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{
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	GQuark c = g_thread_error_quark();
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	g_assert(c == 1);
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}
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   170
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   171
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static void test_g_thread_set_priority (void)
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{
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  GThread *thread;
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  thread = g_thread_self();
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  g_thread_set_priority (thread, G_THREAD_PRIORITY_HIGH);
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  g_assert((thread->priority) == G_THREAD_PRIORITY_HIGH);
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}
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   179
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   180
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/* run all the tests */
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void
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run_all_thread_tests()
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   184
{
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  test_g_static_rec_mutex ();
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  test_g_static_rw_lock ();
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   187
  test_g_thread_error_quark();
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  test_g_thread_set_priority();
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}
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int 
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main (int   argc,
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      char *argv[])
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{
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  #ifdef SYMBIAN
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   196
  
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  g_log_set_handler (NULL,  G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL);
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  g_set_print_handler(mrtPrintHandler);
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   199
  #endif /*SYMBIAN*/
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   200
	  
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   201
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  /* Only run the test, if threads are enabled and a default thread
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     implementation is available */
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#if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)
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  g_thread_init (NULL);
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  run_all_thread_tests ();
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   207
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  /* Now we rerun all tests, but this time we fool the system into
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   209
   * thinking, that the available thread system is not native, but
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   210
   * userprovided. */
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   211
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  g_thread_use_default_impl = FALSE;
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  run_all_thread_tests ();
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#endif
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   216
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   217
#ifdef SYMBIAN
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  testResultXml("tthread");
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#endif /* EMULATOR */
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  return 0;
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   221
}