glib/tsrc/BC/tests/refcount/closures.c
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     1 /* Copyright (C) 2005 Imendio AB
       
     2  * Portion Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
       
     3  * This software is provided "as is"; redistribution and modification
       
     4  * is permitted, provided that the following disclaimer is retained.
       
     5  *
       
     6  * This software is distributed in the hope that it will be useful,
       
     7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
     8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
       
     9  * In no event shall the authors or contributors be liable for any
       
    10  * direct, indirect, incidental, special, exemplary, or consequential
       
    11  * damages (including, but not limited to, procurement of substitute
       
    12  * goods or services; loss of use, data, or profits; or business
       
    13  * interruption) however caused and on any theory of liability, whether
       
    14  * in contract, strict liability, or tort (including negligence or
       
    15  * otherwise) arising in any way out of the use of this software, even
       
    16  * if advised of the possibility of such damage.
       
    17  */
       
    18 
       
    19 #include <glib-object.h>
       
    20 #include <unistd.h>
       
    21 
       
    22 #ifdef SYMBIAN
       
    23 #include <glib_global.h>
       
    24 #include "mrt2_glib2_test.h"
       
    25 #endif /*SYMBIAN*/
       
    26 
       
    27 #define TEST_POINTER1   ((gpointer) 47)
       
    28 #define TEST_POINTER2   ((gpointer) 49)
       
    29 #define TEST_POINTER3   ((gpointer) 77)
       
    30 #define TEST_INT1       (-77)
       
    31 #define TEST_INT2       (78)
       
    32 #define TEST_INT3       (99)
       
    33 
       
    34 /* --- GTest class --- */
       
    35 typedef struct {
       
    36   GObject object;
       
    37   gint value;
       
    38   gpointer test_pointer1;
       
    39   gpointer test_pointer2;
       
    40 } GTest;
       
    41 typedef struct {
       
    42   GObjectClass parent_class;
       
    43   void (*test_signal1) (GTest * test, gint an_int);
       
    44   void (*test_signal2) (GTest * test, gint an_int);
       
    45   void (*test_signal3) (GTest * test, gint an_int);
       
    46 } GTestClass;
       
    47 
       
    48 #define G_TYPE_TEST               (g_test_get_type ())
       
    49 #define G_TEST(test)              (G_TYPE_CHECK_INSTANCE_CAST ((test), G_TYPE_TEST, GTest))
       
    50 #define G_IS_TEST(test)           (G_TYPE_CHECK_INSTANCE_TYPE ((test), G_TYPE_TEST))
       
    51 #define G_TEST_CLASS(tclass)      (G_TYPE_CHECK_CLASS_CAST ((tclass), G_TYPE_TEST, GTestClass))
       
    52 #define G_IS_TEST_CLASS(tclass)   (G_TYPE_CHECK_CLASS_TYPE ((tclass), G_TYPE_TEST))
       
    53 #define G_TEST_GET_CLASS(test)    (G_TYPE_INSTANCE_GET_CLASS ((test), G_TYPE_TEST, GTestClass))
       
    54 
       
    55 G_DEFINE_TYPE (GTest, g_test, G_TYPE_OBJECT);
       
    56 
       
    57 /* --- variables --- */
       
    58 static volatile gboolean stopping = FALSE;
       
    59 static guint             test_signal1 = 0;
       
    60 static guint             test_signal2 = 0;
       
    61 static guint             test_signal3 = 0;
       
    62 static gboolean          seen_signal_handler = FALSE;
       
    63 static gboolean          seen_cleanup = FALSE;
       
    64 static gboolean          seen_test_int1 = FALSE;
       
    65 static gboolean          seen_test_int2 = FALSE;
       
    66 static gboolean          seen_test_int3 = FALSE;
       
    67 static gboolean          seen_thread1 = FALSE;
       
    68 static gboolean          seen_thread2 = FALSE;
       
    69 
       
    70 /* --- functions --- */
       
    71 static void
       
    72 g_test_init (GTest * test)
       
    73 {
       
    74   //g_print ("init %p\n", test);
       
    75 
       
    76   test->value = 0;
       
    77   test->test_pointer1 = TEST_POINTER1;
       
    78   test->test_pointer2 = TEST_POINTER2;
       
    79 }
       
    80 
       
    81 enum {
       
    82   ARG_0,
       
    83   ARG_TEST_PROP
       
    84 };
       
    85 
       
    86 static void
       
    87 g_test_set_property (GObject      *object,
       
    88                      guint         prop_id,
       
    89                      const GValue *value,
       
    90                      GParamSpec   *pspec)
       
    91 {
       
    92   GTest *test = G_TEST (object);
       
    93   switch (prop_id)
       
    94     {
       
    95     case ARG_TEST_PROP:
       
    96       test->value = g_value_get_int (value);
       
    97       break;
       
    98     default:
       
    99       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       
   100       break;
       
   101     }
       
   102 }
       
   103 
       
   104 static void
       
   105 g_test_get_property (GObject    *object,
       
   106                      guint       prop_id,
       
   107                      GValue     *value,
       
   108                      GParamSpec *pspec)
       
   109 {
       
   110   GTest *test = G_TEST (object);
       
   111   switch (prop_id)
       
   112     {
       
   113     case ARG_TEST_PROP:
       
   114       g_value_set_int (value, test->value);
       
   115       break;
       
   116     default:
       
   117       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       
   118       break;
       
   119     }
       
   120 }
       
   121 
       
   122 static void
       
   123 g_test_test_signal2 (GTest *test,
       
   124                      gint   an_int)
       
   125 {
       
   126 }
       
   127 
       
   128 static void
       
   129 g_test_emit_test_signal1 (GTest *test,
       
   130                           gint   vint)
       
   131 {
       
   132   g_signal_emit (G_OBJECT (test), test_signal1, 0, vint);
       
   133 }
       
   134 
       
   135 static void
       
   136 g_test_emit_test_signal2 (GTest *test,
       
   137                           gint   vint)
       
   138 {
       
   139   g_signal_emit (G_OBJECT (test), test_signal2, 0, vint);
       
   140 }
       
   141 
       
   142 static void
       
   143 g_test_emit_test_signal3 (GTest *test,
       
   144                           gint   vint)
       
   145 {
       
   146   g_signal_emit (G_OBJECT (test), test_signal3, 0, vint);
       
   147 }
       
   148 static void
       
   149 g_test_class_init (GTestClass *klass)
       
   150 {
       
   151   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
       
   152 
       
   153   gobject_class->set_property = g_test_set_property;
       
   154   gobject_class->get_property = g_test_get_property;
       
   155 
       
   156   test_signal1 = g_signal_new ("test-signal1", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
       
   157                                G_STRUCT_OFFSET (GTestClass, test_signal1), NULL, NULL,
       
   158                                g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
       
   159   test_signal2 = g_signal_new ("test-signal2", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
       
   160                                G_STRUCT_OFFSET (GTestClass, test_signal2), NULL, NULL,
       
   161                                g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
       
   162 
       
   163   test_signal3 = g_signal_new ("test-signal3", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
       
   164                                G_STRUCT_OFFSET (GTestClass, test_signal3), NULL, NULL,
       
   165                                g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
       
   166 
       
   167 
       
   168   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TEST_PROP,
       
   169                                    g_param_spec_int ("test-prop", "Test Prop", "Test property",
       
   170                                                      0, 1, 0, G_PARAM_READWRITE));
       
   171   klass->test_signal2 = g_test_test_signal2;
       
   172   klass->test_signal3 = g_test_test_signal2;
       
   173 }
       
   174 
       
   175 static inline guint32
       
   176 quick_rand32 (void)
       
   177 {
       
   178   static guint32 accu = 2147483563;
       
   179   accu = 1664525 * accu + 1013904223;
       
   180   return accu;
       
   181 }
       
   182 
       
   183 static void
       
   184 test_closure (GClosure *closure)
       
   185 {
       
   186   /* try to produce high contention in closure->ref_count */
       
   187   guint i = 0, n = quick_rand32() % 10;
       
   188   for (i = 0; i < n; i++)
       
   189     g_closure_ref (closure);
       
   190   g_closure_sink (closure); /* NOP */
       
   191   for (i = 0; i < n; i++)
       
   192     g_closure_unref (closure);
       
   193 }
       
   194 
       
   195 static gpointer
       
   196 thread1_main (gpointer data)
       
   197 {
       
   198   GClosure *closure = data;
       
   199   do
       
   200     {
       
   201       static guint count = 0;
       
   202       test_closure (closure);
       
   203       //if (++count % 10 == 0)
       
   204         {
       
   205           //g_printerr ("c");
       
   206           g_thread_yield(); /* force context switch */
       
   207           seen_thread1 = TRUE;
       
   208         }
       
   209     }while (!stopping);
       
   210   return NULL;
       
   211 }
       
   212 
       
   213 static gpointer
       
   214 thread2_main (gpointer data)
       
   215 {
       
   216   GClosure *closure = data;
       
   217   do
       
   218     {
       
   219       static guint count = 0;
       
   220       test_closure (closure);
       
   221       //if (++count % 10 == 0)
       
   222         {
       
   223           //g_printerr ("C");
       
   224           g_thread_yield(); /* force context switch */
       
   225           seen_thread2 = TRUE;
       
   226         }
       
   227     } while (!stopping);
       
   228     
       
   229   return NULL;
       
   230 }
       
   231 
       
   232 static void
       
   233 test_signal_handler (GTest   *test,
       
   234                      gint     vint,
       
   235                      gpointer data)
       
   236 {
       
   237   g_assert (data == TEST_POINTER2);
       
   238   g_assert (test->test_pointer1 == TEST_POINTER1);
       
   239   seen_signal_handler = TRUE;
       
   240   seen_test_int1 |= vint == TEST_INT1;
       
   241   seen_test_int2 |= vint == TEST_INT2;
       
   242 }
       
   243 
       
   244 static void
       
   245 test_signal_handler_by_id (GTest   *test,
       
   246                      gint     vint,
       
   247                      gpointer data)
       
   248 {
       
   249   g_assert (data == TEST_POINTER3);
       
   250   //g_assert (test->test_pointer1 == TEST_POINTER1);
       
   251   seen_test_int3 |= vint == TEST_INT3;
       
   252 }
       
   253 
       
   254 
       
   255 static void
       
   256 destroy_data (gpointer  data,
       
   257               GClosure *closure)
       
   258 {
       
   259   if(data == TEST_POINTER2)
       
   260   {
       
   261   	seen_cleanup = TRUE;
       
   262   }
       
   263   g_assert (closure->ref_count == 0);
       
   264 }
       
   265 
       
   266 static void
       
   267 test_emissions (GTest *test)
       
   268 {
       
   269   g_test_emit_test_signal1 (test, TEST_INT1);
       
   270   g_test_emit_test_signal2 (test, TEST_INT2);
       
   271   g_test_emit_test_signal3 (test, TEST_INT3);
       
   272 }
       
   273 
       
   274 int
       
   275 main (int    argc,
       
   276       char **argv)
       
   277 {
       
   278   GThread *thread1, *thread2;
       
   279   GClosure *closure, *closure1;
       
   280   GTest *object;
       
   281   guint i;
       
   282 
       
   283   #ifdef SYMBIAN
       
   284   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);
       
   285   g_set_print_handler(mrtPrintHandler);
       
   286   #endif /*SYMBIAN*/
       
   287   
       
   288   g_thread_init (NULL);
       
   289   
       
   290   //g_print ("START: %s\n", argv[0]);
       
   291   
       
   292   g_log_set_always_fatal (G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL | g_log_set_always_fatal (G_LOG_FATAL_MASK));
       
   293   g_type_init ();
       
   294 
       
   295   object = g_object_new (G_TYPE_TEST, NULL);
       
   296   closure = g_cclosure_new (G_CALLBACK (test_signal_handler), TEST_POINTER2, destroy_data);
       
   297   closure1 = g_cclosure_new (G_CALLBACK (test_signal_handler_by_id), TEST_POINTER3, destroy_data);
       
   298   g_assert(object != NULL && closure != NULL); 
       
   299   g_assert(closure1 !=NULL);
       
   300   g_signal_connect_closure (object, "test-signal1", closure, FALSE);
       
   301   g_signal_connect_closure (object, "test-signal2", closure, FALSE);
       
   302   g_assert(test_signal3 !=0);
       
   303   i = g_signal_connect_closure_by_id(object, test_signal3, 0,closure1, FALSE);
       
   304   g_assert(i != 0);
       
   305 
       
   306 
       
   307   stopping = FALSE;
       
   308 
       
   309   thread1 = g_thread_create (thread1_main, closure, TRUE, NULL);
       
   310   thread2 = g_thread_create (thread2_main, closure, TRUE, NULL);
       
   311 
       
   312   for (i = 0; i < 10; i++)
       
   313     {
       
   314       static guint count = 0;
       
   315       test_emissions (object);
       
   316       if (++count % 100 == 0)
       
   317         {
       
   318           //g_print (".");
       
   319           g_thread_yield(); /* force context switch */
       
   320         }
       
   321 
       
   322     }
       
   323 
       
   324   stopping = TRUE;
       
   325   //g_print ("\nstopping\n");
       
   326 
       
   327   /* wait for thread shutdown */
       
   328   g_thread_join (thread1);
       
   329   g_thread_join (thread2);
       
   330 
       
   331   /* finalize object, destroy signals, run cleanup code */
       
   332   g_object_unref (object);
       
   333 
       
   334   //g_print ("stopped\n");
       
   335 
       
   336   g_assert (seen_thread1 != FALSE);
       
   337   g_assert (seen_thread2 != FALSE);
       
   338   g_assert (seen_test_int1 != FALSE);
       
   339   g_assert (seen_test_int2 != FALSE);
       
   340   g_assert (seen_test_int3 != FALSE);
       
   341   g_assert (seen_signal_handler != FALSE);
       
   342   g_assert (seen_cleanup != FALSE);
       
   343   
       
   344   #if SYMBIAN
       
   345   testResultXml("closures");
       
   346   #endif /* EMULATOR */
       
   347 
       
   348   return 0;
       
   349 }