--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/glib/tests/mainloop-test.c	Fri Apr 16 16:46:38 2010 +0300
@@ -0,0 +1,474 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+#undef G_DISABLE_ASSERT
+#undef G_LOG_DOMAIN
+
+#include <errno.h>
+#include <glib.h>
+#if (defined G_OS_UNIX)||(defined __SYMBIAN32__)
+#include <unistd.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef G_OS_WIN32
+#include <fcntl.h>		/* For _O_BINARY used by pipe() macro */
+#include <io.h>			/* for _pipe() */
+#define pipe(fds) _pipe(fds, 4096, _O_BINARY)
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+#include <glib_global.h>
+#include "mrt2_glib2_test.h"
+#endif /*__SYMBIAN32__*/
+
+#ifndef __SYMBIAN32__
+#define ITERS 10000
+#else
+#define ITERS 100
+#endif
+#define INCREMENT 10
+#define NTHREADS 4
+#define NCRAWLERS 4
+#define CRAWLER_TIMEOUT_RANGE 40
+#define RECURSER_TIMEOUT 50
+
+/* The partial ordering between the context array mutex and
+ * crawler array mutex is that the crawler array mutex cannot
+ * be locked while the context array mutex is locked
+ */
+GPtrArray *context_array;
+GMutex *context_array_mutex;
+GCond *context_array_cond;
+
+GMainLoop *main_loop;
+
+G_LOCK_DEFINE_STATIC (crawler_array_lock);
+GPtrArray *crawler_array;
+
+typedef struct _AddrData AddrData;
+typedef struct _TestData TestData;
+
+struct _AddrData
+{
+  GMainLoop *loop;
+  GIOChannel *dest;
+  gint count;
+};
+
+struct _TestData
+{
+  gint current_val;
+  gint iters;
+  GIOChannel *in;
+};
+
+static void cleanup_crawlers (GMainContext *context);
+
+gboolean
+read_all (GIOChannel *channel, char *buf, gsize len)
+{
+  gsize bytes_read = 0;
+  gsize count;
+  GIOError err;
+
+  while (bytes_read < len)
+    {
+      err = g_io_channel_read (channel, buf + bytes_read, len - bytes_read, &count);
+      if (err)
+	{
+	  if (err != G_IO_ERROR_AGAIN)
+	    return FALSE;
+	}
+      else if (count == 0)
+	return FALSE;
+
+      bytes_read += count;
+    }
+
+  return TRUE;
+}
+
+gboolean
+write_all (GIOChannel *channel, char *buf, gsize len)
+{
+  gsize bytes_written = 0;
+  gsize count;
+  GIOError err;
+
+  while (bytes_written < len)
+    {
+      err = g_io_channel_write (channel, buf + bytes_written, len - bytes_written, &count);
+      if (err && err != G_IO_ERROR_AGAIN)
+	return FALSE;
+
+      bytes_written += count;
+    }
+
+  return TRUE;
+}
+
+gboolean
+adder_callback (GIOChannel   *source,
+		GIOCondition  condition,
+		gpointer      data)
+{
+  char buf1[32];
+  char buf2[32];
+
+  char result[32];
+
+  AddrData *addr_data = data;
+
+  if (!read_all (source, buf1, 32) ||
+      !read_all (source, buf2, 32))
+    {
+      g_main_loop_quit (addr_data->loop);
+      return FALSE;
+    }
+
+  sprintf (result, "%d", atoi(buf1) + atoi(buf2));
+  write_all (addr_data->dest, result, 32);
+  
+  return TRUE;
+}
+
+gboolean
+timeout_callback (gpointer data)
+{
+  AddrData *addr_data = data;
+
+  addr_data->count++;
+  
+  return TRUE;
+}
+
+gpointer
+adder_thread (gpointer data)
+{
+  GMainContext *context;
+  GSource *adder_source;
+  GSource *timeout_source;
+
+  GIOChannel **channels = data;
+  AddrData addr_data;
+
+  context = g_main_context_new ();
+
+  g_mutex_lock (context_array_mutex);
+  
+  g_ptr_array_add (context_array, context);
+
+  if (context_array->len == NTHREADS)
+    g_cond_broadcast (context_array_cond);
+  
+  g_mutex_unlock (context_array_mutex);
+
+  addr_data.dest = channels[1];
+  addr_data.loop = g_main_loop_new (context, FALSE);
+  addr_data.count = 0;
+  
+  adder_source = g_io_create_watch (channels[0], G_IO_IN | G_IO_HUP | G_IO_PRI);
+  g_source_set_callback (adder_source, (GSourceFunc)adder_callback, &addr_data, NULL);
+  g_source_attach (adder_source, context);
+  g_source_unref (adder_source);
+
+  timeout_source = g_timeout_source_new (10);
+  g_source_set_callback (timeout_source, (GSourceFunc)timeout_callback, &addr_data, NULL);
+  g_source_set_priority (timeout_source, G_PRIORITY_HIGH);
+  g_source_attach (timeout_source, context);
+  g_source_unref (timeout_source);
+
+  g_main_loop_run (addr_data.loop);
+
+  g_io_channel_unref (channels[0]);
+  g_io_channel_unref (channels[1]);
+
+  g_free (channels);
+  
+  g_main_loop_unref (addr_data.loop);
+
+#ifdef VERBOSE
+  g_print ("Timeout run %d times\n", addr_data.count);
+#endif
+
+  g_mutex_lock (context_array_mutex);
+  g_ptr_array_remove (context_array, context);
+  if (context_array->len == 0)
+    g_main_loop_quit (main_loop);
+  g_mutex_unlock (context_array_mutex);
+
+  cleanup_crawlers (context);
+
+  return NULL;
+}
+
+void
+io_pipe (GIOChannel **channels)
+{
+  gint fds[2];
+
+  if (pipe(fds) < 0)
+    {
+      g_warning ("Cannot create pipe %s\n", g_strerror (errno));
+      exit (1);
+    }
+
+  channels[0] = g_io_channel_unix_new (fds[0]);
+  channels[1] = g_io_channel_unix_new (fds[1]);
+
+  g_io_channel_set_close_on_unref (channels[0], TRUE);
+  g_io_channel_set_close_on_unref (channels[1], TRUE);
+}
+
+void
+do_add (GIOChannel *in, gint a, gint b)
+{
+  char buf1[32];
+  char buf2[32];
+
+  sprintf (buf1, "%d", a);
+  sprintf (buf2, "%d", b);
+
+  write_all (in, buf1, 32);
+  write_all (in, buf2, 32);
+}
+
+gboolean
+adder_response (GIOChannel   *source,
+		GIOCondition  condition,
+		gpointer      data)
+{
+  char result[32];
+  TestData *test_data = data;
+  
+  if (!read_all (source, result, 32))
+    return FALSE;
+
+  test_data->current_val = atoi (result);
+  test_data->iters--;
+
+  if (test_data->iters == 0)
+    {
+      if (test_data->current_val != ITERS * INCREMENT)
+	{
+	  g_print ("Addition failed: %d != %d\n",
+		   test_data->current_val, ITERS * INCREMENT);
+	  exit (1);
+	}
+
+      g_io_channel_unref (source);
+      g_io_channel_unref (test_data->in);
+
+      g_free (test_data);
+      
+      return FALSE;
+    }
+  
+  do_add (test_data->in, test_data->current_val, INCREMENT);
+
+  return TRUE;
+}
+
+void
+create_adder_thread (void)
+{
+  GError *err = NULL;
+  TestData *test_data;
+  
+  GIOChannel *in_channels[2];
+  GIOChannel *out_channels[2];
+
+  GIOChannel **sub_channels;
+
+  sub_channels = g_new (GIOChannel *, 2);
+
+  io_pipe (in_channels);
+  io_pipe (out_channels);
+
+  sub_channels[0] = in_channels[0];
+  sub_channels[1] = out_channels[1];
+
+  g_thread_create (adder_thread, sub_channels, FALSE, &err);
+
+  if (err)
+    {
+      g_warning ("Cannot create thread: %s", err->message);
+      exit (1);
+    }
+
+  test_data = g_new (TestData, 1);
+  test_data->in = in_channels[1];
+  test_data->current_val = 0;
+  test_data->iters = ITERS;
+
+  g_io_add_watch (out_channels[0], G_IO_IN | G_IO_HUP | G_IO_PRI,
+		  adder_response, test_data);
+  
+  do_add (test_data->in, test_data->current_val, INCREMENT);
+}
+
+static void create_crawler (void);
+
+static void
+remove_crawler (void)
+{
+  GSource *other_source;
+
+  if (crawler_array->len > 0)
+    {
+      other_source = crawler_array->pdata[g_random_int_range (0, crawler_array->len)];
+      g_source_destroy (other_source);
+      g_assert (g_ptr_array_remove_fast (crawler_array, other_source));
+    }
+}
+
+static gint
+crawler_callback (gpointer data)
+{
+  GSource *source = data;
+
+  G_LOCK (crawler_array_lock);
+  
+  if (!g_ptr_array_remove_fast (crawler_array, source))
+    remove_crawler();
+
+  remove_crawler();
+  G_UNLOCK (crawler_array_lock);
+	    
+  create_crawler();
+  create_crawler();
+
+  return FALSE;
+}
+
+static void
+create_crawler (void)
+{
+  GSource *source = g_timeout_source_new (g_random_int_range (0, CRAWLER_TIMEOUT_RANGE));
+  g_source_set_callback (source, (GSourceFunc)crawler_callback, source, NULL);
+
+  G_LOCK (crawler_array_lock);
+  g_ptr_array_add (crawler_array, source);
+  
+  g_mutex_lock (context_array_mutex);
+  g_source_attach (source, context_array->pdata[g_random_int_range (0, context_array->len)]);
+  g_source_unref (source);
+  g_mutex_unlock (context_array_mutex);
+
+  G_UNLOCK (crawler_array_lock);
+}
+
+static void
+cleanup_crawlers (GMainContext *context)
+{
+  gint i;
+  
+  G_LOCK (crawler_array_lock);
+  for (i=0; i < crawler_array->len; i++)
+    {
+      if (g_source_get_context (crawler_array->pdata[i]) == context)
+	{
+	  g_source_destroy (g_ptr_array_remove_index (crawler_array, i));
+	  i--;
+	}
+    }
+  G_UNLOCK (crawler_array_lock);
+}
+
+static gboolean
+recurser_idle (gpointer data)
+{
+  GMainContext *context = data;
+  gint i;
+
+  for (i = 0; i < 10; i++)
+    g_main_context_iteration (context, FALSE);
+
+  return FALSE;
+}
+
+static gboolean
+recurser_start (gpointer data)
+{
+  GMainContext *context;
+  GSource *source;
+  
+  g_mutex_lock (context_array_mutex);
+  context = context_array->pdata[g_random_int_range (0, context_array->len)];
+  source = g_idle_source_new ();
+  g_source_set_callback (source, recurser_idle, context, NULL);
+  g_source_attach (source, context);
+  g_source_unref (source);
+  g_mutex_unlock (context_array_mutex);
+
+  return TRUE;
+}
+
+int 
+main (int   argc,
+      char *argv[])
+{
+  /* Only run the test, if threads are enabled and a default thread
+     implementation is available */
+#if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)
+  gint i;
+
+  #ifdef __SYMBIAN32__
+  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);
+  g_set_print_handler(mrtPrintHandler);
+  #endif /*__SYMBIAN32__*/
+  g_thread_init (NULL);
+
+  context_array = g_ptr_array_new ();
+  context_array_mutex = g_mutex_new ();
+  context_array_cond = g_cond_new (); 
+
+  crawler_array = g_ptr_array_new ();
+
+  main_loop = g_main_loop_new (NULL, FALSE);
+
+  for (i = 0; i < NTHREADS; i++)
+    create_adder_thread ();
+
+  /* Wait for all threads to start
+   */
+  g_mutex_lock (context_array_mutex);
+  
+  if (context_array->len < NTHREADS)
+    g_cond_wait (context_array_cond, context_array_mutex);
+  
+  g_mutex_unlock (context_array_mutex);
+  
+  for (i = 0; i < NCRAWLERS; i++)
+    create_crawler ();
+
+  g_timeout_add (RECURSER_TIMEOUT, recurser_start, NULL);
+
+  g_main_loop_run (main_loop);
+  g_main_loop_unref (main_loop);
+
+#endif
+  #ifdef __SYMBIAN32__
+  testResultXml("mainloop-test");
+  #endif /* EMULATOR */
+
+  return 0;
+}