C++ GPOINTER_TO_UINT函数代码示例

/**
 * mono_process_get_name:
 * @pid: pid of the process
 * @buf: byte buffer where to store the name of the prcoess
 * @len: size of the buffer @buf
 *
 * Return the name of the process identified by @pid, storing it
 * inside @buf for a maximum of len bytes (including the terminating 0).
 */
char*
mono_process_get_name (gpointer pid, char *buf, int len)
{
#if USE_SYSCTL
	int res;
#ifdef KERN_PROC2
	int mib [6];
	size_t data_len = sizeof (struct kinfo_proc2);
	struct kinfo_proc2 processi;
#else
	int mib [4];
	size_t data_len = sizeof (struct kinfo_proc);
	struct kinfo_proc processi;
#endif /* KERN_PROC2 */

	memset (buf, 0, len);

#ifdef KERN_PROC2
	mib [0] = CTL_KERN;
	mib [1] = KERN_PROC2;
	mib [2] = KERN_PROC_PID;
	mib [3] = GPOINTER_TO_UINT (pid);
	mib [4] = sizeof(struct kinfo_proc2);
	mib [5] = 400; /* XXX */

	res = sysctl (mib, 6, &processi, &data_len, NULL, 0);

	if (res < 0 || data_len != sizeof (struct kinfo_proc2)) {
		return buf;
	}
#else
	mib [0] = CTL_KERN;
	mib [1] = KERN_PROC;
	mib [2] = KERN_PROC_PID;
	mib [3] = GPOINTER_TO_UINT (pid);
	
	res = sysctl (mib, 4, &processi, &data_len, NULL, 0);
	if (res < 0 || data_len != sizeof (struct kinfo_proc)) {
		return buf;
	}
#endif /* KERN_PROC2 */
	strncpy (buf, processi.kinfo_name_member, len - 1);
	return buf;
#else
	char fname [128];
	FILE *file;
	char *p;
	int r;
	sprintf (fname, "/proc/%d/cmdline", GPOINTER_TO_INT (pid));
	buf [0] = 0;
	file = fopen (fname, "r");
	if (!file)
		return buf;
	r = fread (buf, 1, len - 1, file);
	fclose (file);
	buf [r] = 0;
	p = strrchr (buf, '/');
	if (p)
		return p + 1;
	if (r == 0) {
		return get_pid_status_item_buf (GPOINTER_TO_INT (pid), "Name", buf, len, NULL);
	}
	return buf;
#endif
}

int main(int argc, char * argv[]){
    int i = 1;
    const char * k_mixture_model_filename = NULL;

    setlocale(LC_ALL, "");
    while ( i < argc ){
        if ( strcmp("--help", argv[i]) == 0 ){
            print_help();
            exit(0);
        } else if ( strcmp("--skip-pi-gram-training", argv[i]) == 0 ){
            g_train_pi_gram = false;
        } else if ( strcmp("--maximum-occurs-allowed", argv[i]) == 0 ){
            if ( ++i >= argc ){
                print_help();
                exit(EINVAL);
            }
            g_maximum_occurs = atoi(argv[i]);
        } else if ( strcmp("--maximum-increase-rates-allowed", argv[i]) == 0 ){
            if ( ++i >= argc ){
                print_help();
                exit(EINVAL);
            }
            g_maximum_increase_rates = atof(argv[i]);
        } else if ( strcmp("--k-mixture-model-file", argv[i]) == 0 ){
            if ( ++i >= argc ){
                print_help();
                exit(EINVAL);
            }
            k_mixture_model_filename = argv[i];
        } else {
            break;
        }
        ++i;
    }

    PhraseLargeTable2 phrase_table;
    MemoryChunk * chunk = new MemoryChunk;
    chunk->load("phrase_index.bin");
    phrase_table.load(chunk);

    FacadePhraseIndex phrase_index;
    if (!load_phrase_index(&phrase_index))
        exit(ENOENT);

    KMixtureModelBigram bigram(K_MIXTURE_MODEL_MAGIC_NUMBER);
    bigram.attach(k_mixture_model_filename, ATTACH_READWRITE|ATTACH_CREATE);

    while ( i < argc ){
        const char * filename = argv[i];
        FILE * document = fopen(filename, "r");
        if ( NULL == document ){
            int err_saved = errno;
            fprintf(stderr, "can't open file: %s.\n", filename);
            fprintf(stderr, "error:%s.\n", strerror(err_saved));
            exit(err_saved);
        }

        HashofDocument hash_of_document = g_hash_table_new
            (g_direct_hash, g_direct_equal);
        HashofUnigram hash_of_unigram = g_hash_table_new
            (g_direct_hash, g_direct_equal);

        assert(read_document(&phrase_table, &phrase_index, document,
                             hash_of_document, hash_of_unigram));
        fclose(document);
        document = NULL;

        GHashTableIter iter;
        gpointer key, value;

        /* train the document, and convert it to k mixture model. */
        g_hash_table_iter_init(&iter, hash_of_document);
        while (g_hash_table_iter_next(&iter, &key, &value)) {
            phrase_token_t token1 = GPOINTER_TO_UINT(key);
            train_second_word(hash_of_unigram, &bigram,
                              hash_of_document, token1);
        }

        KMixtureModelMagicHeader magic_header;
        assert(bigram.get_magic_header(magic_header));
        magic_header.m_N ++;
        assert(bigram.set_magic_header(magic_header));

        post_processing_unigram(&bigram, hash_of_unigram);

        /* free resources of g_hash_of_document */
        g_hash_table_iter_init(&iter, hash_of_document);
        while (g_hash_table_iter_next(&iter, &key, &value)) {
            HashofSecondWord second_word = (HashofSecondWord) value;
            g_hash_table_iter_steal(&iter);
            g_hash_table_unref(second_word);
        }
        g_hash_table_unref(hash_of_document);
        hash_of_document = NULL;

        g_hash_table_unref(hash_of_unigram);
        hash_of_unigram = NULL;

        ++i;
    }
//.........这里部分代码省略.........

void fill_initial_rtpe_cfg(struct rtpengine_config* ini_rtpe_cfg) {

	GList* l;
	struct intf_config* gptr_data;

	for(l = rtpe_config.interfaces.head; l ; l=l->next) {
		gptr_data = (struct intf_config*)malloc(sizeof(struct intf_config));
		memcpy(gptr_data, (struct intf_config*)(l->data), sizeof(struct intf_config));

		g_queue_push_tail(&ini_rtpe_cfg->interfaces, gptr_data);
	}

	for(l = rtpe_config.redis_subscribed_keyspaces.head; l ; l = l->next) {
		// l->data has been assigned to a variable before being given into the queue structure not to get a shallow copy
		unsigned int num = GPOINTER_TO_UINT(l->data);
		g_queue_push_tail(&ini_rtpe_cfg->redis_subscribed_keyspaces, GINT_TO_POINTER(num));
	}

	ini_rtpe_cfg->kernel_table = rtpe_config.kernel_table;
	ini_rtpe_cfg->max_sessions = rtpe_config.max_sessions;
	ini_rtpe_cfg->cpu_limit = rtpe_config.cpu_limit;
	ini_rtpe_cfg->load_limit = rtpe_config.load_limit;
	ini_rtpe_cfg->bw_limit = rtpe_config.bw_limit;
	ini_rtpe_cfg->timeout = rtpe_config.timeout;
	ini_rtpe_cfg->silent_timeout = rtpe_config.silent_timeout;
	ini_rtpe_cfg->offer_timeout = rtpe_config.offer_timeout;
	ini_rtpe_cfg->final_timeout = rtpe_config.final_timeout;
	ini_rtpe_cfg->delete_delay = rtpe_config.delete_delay;
	ini_rtpe_cfg->redis_expires_secs = rtpe_config.redis_expires_secs;
	ini_rtpe_cfg->default_tos = rtpe_config.default_tos;
	ini_rtpe_cfg->control_tos = rtpe_config.control_tos;
	ini_rtpe_cfg->graphite_interval = rtpe_config.graphite_interval;
	ini_rtpe_cfg->redis_num_threads = rtpe_config.redis_num_threads;
	ini_rtpe_cfg->homer_protocol = rtpe_config.homer_protocol;
	ini_rtpe_cfg->homer_id = rtpe_config.homer_id;
	ini_rtpe_cfg->no_fallback = rtpe_config.no_fallback;
	ini_rtpe_cfg->port_min = rtpe_config.port_min;
	ini_rtpe_cfg->port_max = rtpe_config.port_max;
	ini_rtpe_cfg->redis_db = rtpe_config.redis_db;
	ini_rtpe_cfg->redis_write_db = rtpe_config.redis_write_db;
	ini_rtpe_cfg->no_redis_required = rtpe_config.no_redis_required;
	ini_rtpe_cfg->num_threads = rtpe_config.num_threads;
	ini_rtpe_cfg->media_num_threads = rtpe_config.media_num_threads;
	ini_rtpe_cfg->fmt = rtpe_config.fmt;
	ini_rtpe_cfg->log_format = rtpe_config.log_format;
	ini_rtpe_cfg->redis_allowed_errors = rtpe_config.redis_allowed_errors;
	ini_rtpe_cfg->redis_disable_time = rtpe_config.redis_disable_time;
	ini_rtpe_cfg->redis_cmd_timeout = rtpe_config.redis_cmd_timeout;
	ini_rtpe_cfg->redis_connect_timeout = rtpe_config.redis_connect_timeout;
	ini_rtpe_cfg->common.log_level = rtpe_config.common.log_level;

	ini_rtpe_cfg->graphite_ep = rtpe_config.graphite_ep;
	ini_rtpe_cfg->tcp_listen_ep = rtpe_config.tcp_listen_ep;
	ini_rtpe_cfg->udp_listen_ep = rtpe_config.udp_listen_ep;
	ini_rtpe_cfg->ng_listen_ep = rtpe_config.ng_listen_ep;
	ini_rtpe_cfg->cli_listen_ep = rtpe_config.cli_listen_ep;
	ini_rtpe_cfg->redis_ep = rtpe_config.redis_ep;
	ini_rtpe_cfg->redis_write_ep = rtpe_config.redis_write_ep;
	ini_rtpe_cfg->homer_ep = rtpe_config.homer_ep;

	ini_rtpe_cfg->b2b_url = g_strdup(rtpe_config.b2b_url);
	ini_rtpe_cfg->redis_auth = g_strdup(rtpe_config.redis_auth);
	ini_rtpe_cfg->redis_write_auth = g_strdup(rtpe_config.redis_write_auth);
	ini_rtpe_cfg->spooldir = g_strdup(rtpe_config.spooldir);
	ini_rtpe_cfg->iptables_chain = g_strdup(rtpe_config.iptables_chain);
	ini_rtpe_cfg->rec_method = g_strdup(rtpe_config.rec_method);
	ini_rtpe_cfg->rec_format = g_strdup(rtpe_config.rec_format);

}

static guint
ata_cmd_hash_matched(gconstpointer k)
{
  return GPOINTER_TO_UINT(k);
}

/* hash func */
static guint fragment_hash_func(gconstpointer k)
{
    const fragment_key_t *key = (const fragment_key_t *)k;
    return (GPOINTER_TO_UINT(key->stream)) + ((guint)key -> framenum) + ((guint)key->offset);
}

static void
remove_pulse (gpointer pulse_id)
{
  g_source_remove (GPOINTER_TO_UINT (pulse_id));
}

static char* expand_terminal(char* cmd, gboolean keep_open, GError** error)
{
    FmTerminal* term;
    const char* opts;
    char* ret;
    /* if %s is not found, fallback to -e */
    static FmTerminal xterm_def = { .program = "xterm", .open_arg = "-e" };

    term = fm_terminal_dup_default(NULL);
    /* bug #3457335: Crash on application start with Terminal=true. */
    if(!term) /* fallback to xterm if a terminal emulator is not found. */
    {
        /* FIXME: we should not hard code xterm here. :-(
         * It's better to prompt the user and let he or she set
         * his preferred terminal emulator. */
        term = &xterm_def;
    }
    if(keep_open && term->noclose_arg)
        opts = term->noclose_arg;
    else
        opts = term->open_arg;
    if(term->custom_args)
        ret = g_strdup_printf("%s %s %s %s", term->program, term->custom_args,
                              opts, cmd);
    else
        ret = g_strdup_printf("%s %s %s", term->program, opts, cmd);
    if(term != &xterm_def)
        g_object_unref(term);
    return ret;
}

static gboolean do_launch(GAppInfo* appinfo, const char* full_desktop_path, GKeyFile* kf, GList* gfiles, GAppLaunchContext* ctx, GError** err)
{
    gboolean ret = FALSE;
    char* cmd, *path;
    char** argv;
    int argc;
    gboolean use_terminal;
    GAppInfoCreateFlags flags;

    cmd = expand_exec_macros(appinfo, full_desktop_path, kf, gfiles);
    if(G_LIKELY(kf))
        use_terminal = g_key_file_get_boolean(kf, "Desktop Entry", "Terminal", NULL);
    else
    {
        flags = GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(appinfo), "flags"));
        use_terminal = (flags & G_APP_INFO_CREATE_NEEDS_TERMINAL) != 0;
    }

    if(use_terminal)
    {
        /* FIXME: is it right key to mark this option? */
        gboolean keep_open = FALSE;
        char* term_cmd;

        if(G_LIKELY(kf))
            keep_open = g_key_file_get_boolean(kf, "Desktop Entry",
                                               "X-KeepTerminal", NULL);
        term_cmd = expand_terminal(cmd, keep_open, err);
        g_free(cmd);
        if(!term_cmd)
            return FALSE;
        cmd = term_cmd;
    }

    g_debug("launch command: <%s>", cmd);
    if(g_shell_parse_argv(cmd, &argc, &argv, err))
    {
        struct ChildSetup data;
        if(ctx)
        {
            gboolean use_sn;
            if(G_LIKELY(kf) && g_key_file_has_key(kf, "Desktop Entry", "StartupNotify", NULL))
                use_sn = g_key_file_get_boolean(kf, "Desktop Entry", "StartupNotify", NULL);
            else if(fm_config->force_startup_notify)
            {
                /* if the app doesn't explicitly ask us not to use sn,
                 * and fm_config->force_startup_notify is TRUE, then
                 * use it by default, unless it's a console app. */
                use_sn = !use_terminal; /* we only use sn for GUI apps by default */
                /* FIXME: console programs should use sn_id of terminal emulator instead. */
            }
            else
                use_sn = FALSE;
            data.display = g_app_launch_context_get_display(ctx, appinfo, gfiles);

            if(use_sn)
                data.sn_id = g_app_launch_context_get_startup_notify_id(ctx, appinfo, gfiles);
            else
                data.sn_id = NULL;
        }
        else
        {
            data.display = NULL;
            data.sn_id = NULL;
        }
        g_debug("sn_id = %s", data.sn_id);

        if(G_LIKELY(kf))
            path = g_key_file_get_string(kf, "Desktop Entry", "Path", NULL);
//.........这里部分代码省略.........

static void
delete_done_cb (LIBMTP_mtpdevice_t *device, TracksDeletedCallbackData *data)
{
	LIBMTP_folder_t *folders;
	LIBMTP_file_t *files;

	data->actually_free = FALSE;
	update_free_space_cb (device, RB_MTP_SOURCE (data->source));

	/* if any of the folders we just deleted from are now empty, delete them */
	folders = LIBMTP_Get_Folder_List (device);
	files = LIBMTP_Get_Filelisting_With_Callback (device, NULL, NULL);
	if (folders != NULL) {
		GHashTableIter iter;
		gpointer key;
		g_hash_table_iter_init (&iter, data->check_folders);
		while (g_hash_table_iter_next (&iter, &key, NULL)) {
			LIBMTP_folder_t *f;
			LIBMTP_folder_t *c;
			LIBMTP_file_t *file;
			uint32_t folder_id = GPOINTER_TO_UINT(key);

			while (folder_id != device->default_music_folder && folder_id != 0) {

				f = LIBMTP_Find_Folder (folders, folder_id);
				if (f == NULL) {
					rb_debug ("unable to find folder %u", folder_id);
					break;
				}

				/* don't delete folders with children that we didn't just delete */
				for (c = f->child; c != NULL; c = c->sibling) {
					if (g_hash_table_lookup (data->check_folders,
								 GUINT_TO_POINTER (c->folder_id)) == NULL) {
						break;
					}
				}
				if (c != NULL) {
					rb_debug ("folder %s has children", f->name);
					break;
				}

				/* don't delete folders that contain files */
				for (file = files; file != NULL; file = file->next) {
					if (file->parent_id == folder_id) {
						break;
					}
				}

				if (file != NULL) {
					rb_debug ("folder %s contains at least one file: %s", f->name, file->filename);
					break;
				}

				/* ok, the folder is empty */
				rb_debug ("deleting empty folder %s", f->name);
				LIBMTP_Delete_Object (device, f->folder_id);

				/* if the folder we just deleted has siblings, the parent
				 * can't be empty.
				 */
				if (f->sibling != NULL) {
					rb_debug ("folder %s has siblings, can't delete parent", f->name);
					break;
				}
				folder_id = f->parent_id;
			}
		}

		LIBMTP_destroy_folder_t (folders);
	} else {
		rb_debug ("unable to get device folder list");
	}

	/* clean up the file list */
	while (files != NULL) {
		LIBMTP_file_t *n;

		n = files->next;
		LIBMTP_destroy_file_t (files);
		files = n;
	}

	g_idle_add ((GSourceFunc) delete_done_idle_cb, data);
}

//.........这里部分代码省略.........
	uid_t uid2 = 0;
	const char* remove_session_id = NULL;
	int rc = 0;

	/* valgrind is more important to us than a slice allocator */
	g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, 1);

	while (1) {
		int option;

		option = getopt_long(argc, argv, "+a:D:u:dh", options, NULL);
		if (option == -1)
			break;

		switch (option) {
		case 'a':
			if (strcmp(optarg, "remove") == 0)
				action = ACTION_REMOVE;
			else
				action = ACTION_ADD;
			break;
		case 'D':
			device = optarg;
			break;
		case 'u':
			uid_given = true;
			uid = strtoul(optarg, NULL, 10);
			break;
		case 'd':
			debug = 1;
			break;
		case 'h':
			printf("Usage: udev-acl --action=ACTION [--device=DEVICEFILE] [--user=UID]\n\n");
			goto out;
		}
	}

	if (action < 0 && device == NULL && !uid_given)
		if (!consolekit_called(argv[optind], &uid, &uid2, &remove_session_id, &action))
			uid_given = true;

	if (action < 0) {
		fprintf(stderr, "missing action\n\n");
		rc = 2;
		goto out;
	}

	if (device != NULL && uid_given) {
		fprintf(stderr, "only one option, --device=DEVICEFILE or --user=UID expected\n\n");
		rc = 3;
		goto out;
	}

	if (uid_given) {
		switch (action) {
		case ACTION_ADD:
			/* Add ACL for given uid to all matching devices. */
			apply_acl_to_devices(uid, 1);
			break;
		case ACTION_REMOVE:
			remove_uid(uid, remove_session_id);
			break;
		case ACTION_CHANGE:
			remove_uid(uid, remove_session_id);
			apply_acl_to_devices(uid2, 1);
			break;
		case ACTION_NONE:
			goto out;
			break;
		default:
			g_assert_not_reached();
			break;
		}
	} else if (device != NULL) {
		/*
		 * Add ACLs for all current session uids to a given device.
		 *
		 * Or remove ACLs for uids which do not have any current local
		 * active session. Remove is not really interesting, because in
		 * most cases the device node is removed anyway.
		 */
		GSList *list;
		GSList *l;

		list = uids_with_local_active_session(NULL);
		for (l = list; l != NULL; l = g_slist_next(l)) {
			uid_t u;

			u = GPOINTER_TO_UINT(l->data);
			if (action == ACTION_ADD || !uid_in_list(list, u))
				set_facl(device, u, action == ACTION_ADD);
		}
		g_slist_free(list);
	} else {
		fprintf(stderr, "--device=DEVICEFILE or --user=UID expected\n\n");
		rc = 3;
	}
out:
	return rc;
}

static void
windows_menu_image_notify (GimpDisplay      *display,
                           const GParamSpec *unused,
                           GimpUIManager    *manager)
{
  if (gimp_display_get_image (display))
    {
      gchar *merge_key = g_strdup_printf ("windows-display-%04d-merge-id",
                                          gimp_display_get_ID (display));
      guint  merge_id;

      merge_id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (manager),
                                                      merge_key));

      if (! merge_id)
        {
          GtkWidget   *widget;
          const gchar *ui_path;
          gchar       *action_name;
          gchar       *action_path;
          gchar       *full_path;

          ui_path = g_object_get_data (G_OBJECT (manager),
                                       "image-menu-ui-path");

          action_name = gimp_display_get_action_name (display);
          action_path = g_strdup_printf ("%s/Windows/Images", ui_path);

          merge_id = gtk_ui_manager_new_merge_id (GTK_UI_MANAGER (manager));

          g_object_set_data (G_OBJECT (manager), merge_key,
                             GUINT_TO_POINTER (merge_id));

          gtk_ui_manager_add_ui (GTK_UI_MANAGER (manager), merge_id,
                                 action_path, action_name, action_name,
                                 GTK_UI_MANAGER_MENUITEM,
                                 FALSE);

          full_path = g_strconcat (action_path, "/", action_name, NULL);

          widget = gtk_ui_manager_get_widget (GTK_UI_MANAGER (manager),
                                              full_path);

          if (widget)
            {
              GtkAction *action;

              action = gimp_ui_manager_find_action (manager,
                                                    "windows", action_name);

              g_signal_connect_object (widget, "query-tooltip",
                                       G_CALLBACK (windows_menu_display_query_tooltip),
                                       action, 0);
            }

          g_free (action_name);
          g_free (action_path);
          g_free (full_path);
        }

      g_free (merge_key);
    }
  else
    {
      windows_menu_display_remove (manager->gimp->displays, display, manager);
    }
}

//.........这里部分代码省略.........
			case(STATUS_ACCESS_VIOLATION):
				show_exception(tvb, pinfo, parent_tree, DissectorError,
					       "STATUS_ACCESS_VIOLATION: dissector accessed an invalid memory address");
				break;
			case(STATUS_INTEGER_DIVIDE_BY_ZERO):
				show_exception(tvb, pinfo, parent_tree, DissectorError,
					       "STATUS_INTEGER_DIVIDE_BY_ZERO: dissector tried an integer division by zero");
				break;
			case(STATUS_STACK_OVERFLOW):
				show_exception(tvb, pinfo, parent_tree, DissectorError,
					       "STATUS_STACK_OVERFLOW: dissector overflowed the stack (e.g. endless loop)");
				/* XXX - this will have probably corrupted the stack,
				   which makes problems later in the exception code */
				break;
				/* XXX - add other hardware exception codes as required */
			default:
				show_exception(tvb, pinfo, parent_tree, DissectorError,
					       g_strdup_printf("dissector caused an unknown exception: 0x%x", GetExceptionCode()));
			}
		}
#endif
	}
	CATCH_BOUNDS_AND_DISSECTOR_ERRORS {
		show_exception(tvb, pinfo, parent_tree, EXCEPT_CODE, GET_MESSAGE);
	}
	ENDTRY;

	if(proto_field_is_referenced(tree, hf_file_protocols)) {
		wmem_strbuf_t *val = wmem_strbuf_new(wmem_packet_scope(), "");
		wmem_list_frame_t *frame;
		/* skip the first entry, it's always the "frame" protocol */
		frame = wmem_list_frame_next(wmem_list_head(pinfo->layers));
		if (frame) {
			wmem_strbuf_append(val, proto_get_protocol_filter_name(GPOINTER_TO_UINT(wmem_list_frame_data(frame))));
			frame = wmem_list_frame_next(frame);
		}
		while (frame) {
			wmem_strbuf_append_c(val, ':');
			wmem_strbuf_append(val, proto_get_protocol_filter_name(GPOINTER_TO_UINT(wmem_list_frame_data(frame))));
			frame = wmem_list_frame_next(frame);
		}
		proto_item_append_string(ti, wmem_strbuf_get_str(val));
	}

	/*  Call postdissectors if we have any (while trying to avoid another
	 *  TRY/CATCH)
	 */
	if (have_postdissector()) {
		TRY {
#ifdef _MSC_VER
			/* Win32: Visual-C Structured Exception Handling (SEH)
			   to trap hardware exceptions like memory access violations */
			/* (a running debugger will be called before the except part below) */
			/* Note: A Windows "exceptional exception" may leave the kazlib's (Portable Exception Handling)
			   stack in an inconsistent state thus causing a crash at some point in the
			   handling of the exception.
			   See: https://www.wireshark.org/lists/wireshark-dev/200704/msg00243.html
			*/
			__try {
#endif
				call_all_postdissectors(tvb, pinfo, parent_tree);
#ifdef _MSC_VER
			} __except(EXCEPTION_EXECUTE_HANDLER /* handle all exceptions */) {
				switch(GetExceptionCode()) {
				case(STATUS_ACCESS_VIOLATION):
					show_exception(tvb, pinfo, parent_tree, DissectorError,

/**
 * Enqueues a kernel for execution on a device.
 *
 * Internally, this function calls the clSetKernelArg() OpenCL function
 * for each argument defined with the ::ccl_kernel_set_arg() function,
 * and the executes the kernel using the clEnqueueNDRangeKernel() OpenCL
 * function.
 *
 * @warning This function is not thread-safe. For multi-threaded
 * access to the same kernel function, create multiple instances of
 * a kernel wrapper for the given kernel function with
 * ::ccl_kernel_new(), one for each thread.
 *
 * @public @memberof ccl_kernel
 *
 * @param[in] krnl A kernel wrapper object.
 * @param[in] cq A command queue wrapper object.
 * @param[in] work_dim The number of dimensions used to specify the
 * global work-items and work-items in the work-group.
 * @param[in] global_work_offset Can be used to specify an array of
 * `work_dim` unsigned values that describe the offset used to calculate
 * the global ID of a work-item.
 * @param[in] global_work_size An array of `work_dim` unsigned values
 * that describe the number of global work-items in `work_dim`
 * dimensions that will execute the kernel function.
 * @param[in] local_work_size An array of `work_dim` unsigned values
 * that describe the number of work-items that make up a work-group that
 * will execute the specified kernel.
 * @param[in,out] evt_wait_lst List of events that need to complete
 * before this command can be executed. The list will be cleared and
 * can be reused by client code.
 * @param[out] err Return location for a ::CCLErr object, or `NULL` if error
 * reporting is to be ignored.
 * @return Event wrapper object that identifies this command.
 * */
CCL_EXPORT
CCLEvent* ccl_kernel_enqueue_ndrange(CCLKernel* krnl, CCLQueue* cq,
	cl_uint work_dim, const size_t* global_work_offset,
	const size_t* global_work_size, const size_t* local_work_size,
	CCLEventWaitList* evt_wait_lst, CCLErr** err) {

	/* Make sure krnl is not NULL. */
	g_return_val_if_fail(krnl != NULL, NULL);
	/* Make sure cq is not NULL. */
	g_return_val_if_fail(cq != NULL, NULL);
	/* Make sure err is NULL or it is not set. */
	g_return_val_if_fail(err == NULL || *err == NULL, NULL);

	/* OpenCL status flag. */
	cl_int ocl_status;

	/* OpenCL event. */
	cl_event event;
	/* Event wrapper. */
	CCLEvent* evt;

	/* Iterator for table of kernel arguments. */
	GHashTableIter iter;
	gpointer arg_index_ptr, arg_ptr;

	/* Set pending kernel arguments. */
	if (krnl->args != NULL) {
		g_hash_table_iter_init(&iter, krnl->args);
		while (g_hash_table_iter_next(&iter, &arg_index_ptr, &arg_ptr)) {
			cl_uint arg_index = GPOINTER_TO_UINT(arg_index_ptr);
			CCLArg* arg = (CCLArg*) arg_ptr;
			ocl_status = clSetKernelArg(ccl_kernel_unwrap(krnl), arg_index,
				ccl_arg_size(arg), ccl_arg_value(arg));
			ccl_if_err_create_goto(*err, CCL_OCL_ERROR,
				CL_SUCCESS != ocl_status, ocl_status, error_handler,
				"%s: unable to set kernel arg %d (OpenCL error %d: %s).",
				CCL_STRD, arg_index, ocl_status, ccl_err(ocl_status));
			g_hash_table_iter_remove(&iter);
		}
	}

	/* Run kernel. */
	ocl_status = clEnqueueNDRangeKernel(ccl_queue_unwrap(cq),
		ccl_kernel_unwrap(krnl), work_dim, global_work_offset,
		global_work_size, local_work_size,
		ccl_event_wait_list_get_num_events(evt_wait_lst),
		ccl_event_wait_list_get_clevents(evt_wait_lst), &event);
	ccl_if_err_create_goto(*err, CCL_OCL_ERROR,
		CL_SUCCESS != ocl_status, ocl_status, error_handler,
		"%s: unable to enqueue kernel (OpenCL error %d: %s).",
		CCL_STRD, ocl_status, ccl_err(ocl_status));

	/* Wrap event and associate it with the respective command queue.
	 * The event object will be released automatically when the command
	 * queue is released. */
	evt = ccl_queue_produce_event(cq, event);

	/* Clear event wait list. */
	ccl_event_wait_list_clear(evt_wait_lst);

	/* If we got here, everything is OK. */
	g_assert(err == NULL || *err == NULL);
	goto finish;

error_handler:
//.........这里部分代码省略.........

static void
test_seek_FORMAT_TIME_by_sample (const gchar * fn, GList * seek_positions)
{
  GstElement *pipeline, *src, *sink;
  GstAdapter *adapter;
  GstSample *sample;
  GstCaps *caps;
  gconstpointer answer;
  guint answer_size;

  pipeline = gst_parse_launch ("filesrc name=src ! decodebin ! "
      "audioconvert dithering=0 ! appsink name=sink", NULL);

  src = gst_bin_get_by_name (GST_BIN (pipeline), "src");
  g_object_set (src, "location", fn, NULL);
  gst_object_unref (src);

  sink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
  caps = gst_caps_new_simple ("audio/x-raw",
      "format", G_TYPE_STRING, GST_AUDIO_NE (S16),
      "rate", G_TYPE_INT, SAMPLE_FREQ, "channels", G_TYPE_INT, 2, NULL);
  g_object_set (sink, "caps", caps, "sync", FALSE, NULL);
  gst_caps_unref (caps);

  gst_element_set_state (pipeline, GST_STATE_PLAYING);

  /* wait for preroll, so we can seek */
  gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipeline), GST_CLOCK_TIME_NONE,
      GST_MESSAGE_ASYNC_DONE);

  /* first, read entire file to end */
  adapter = gst_adapter_new ();
  while ((sample = gst_app_sink_pull_sample (GST_APP_SINK (sink)))) {
    gst_adapter_push (adapter, gst_buffer_ref (gst_sample_get_buffer (sample)));
    gst_sample_unref (sample);
  }
  answer_size = gst_adapter_available (adapter);
  answer = gst_adapter_map (adapter, answer_size);
  /* g_print ("%s: read %u bytes\n", fn, answer_size); */

  g_print ("%10s\t%10s\t%10s\n", "requested", "sample per ts", "actual(data)");

  while (seek_positions != NULL) {
    gconstpointer found;
    GstMapInfo map;
    GstBuffer *buf;
    gboolean ret;
    guint actual_position, buffer_timestamp_position;
    guint seek_sample;

    seek_sample = GPOINTER_TO_UINT (seek_positions->data);

    ret = gst_element_seek_simple (pipeline, GST_FORMAT_TIME,
        GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
        sample_to_nanotime (seek_sample));

    g_assert (ret);

    sample = gst_app_sink_pull_sample (GST_APP_SINK (sink));

    buf = gst_sample_get_buffer (sample);
    gst_buffer_map (buf, &map, GST_MAP_READ);
    found = memmem (answer, answer_size, map.data, map.size);
    gst_buffer_unmap (buf, &map);

    g_assert (found != NULL);
    actual_position = ((goffset) ((guint8 *) found - (guint8 *) answer)) / 4;
    buffer_timestamp_position = nanotime_to_sample (GST_BUFFER_PTS (buf));
    g_print ("%10u\t%10u\t%10u\n", seek_sample, buffer_timestamp_position,
        actual_position);
    gst_sample_unref (sample);

    seek_positions = seek_positions->next;
  }

  gst_element_set_state (pipeline, GST_STATE_NULL);
  gst_object_unref (sink);
  gst_object_unref (pipeline);
  g_object_unref (adapter);
}

void
add_hostlist_table_data(conv_hash_t *ch, const address *addr, guint32 port, gboolean sender, int num_frames, int num_bytes, hostlist_dissector_info_t *host_info, port_type port_type_val)
{
    hostlist_talker_t *talker=NULL;
    int talker_idx=0;

    /* XXX should be optimized to allocate n extra entries at a time
       instead of just one */
    /* if we don't have any entries at all yet */
    if(ch->conv_array==NULL){
        ch->conv_array=g_array_sized_new(FALSE, FALSE, sizeof(hostlist_talker_t), 10000);
        ch->hashtable = g_hash_table_new_full(host_hash,
                                              host_match, /* key_equal_func */
                                              g_free,     /* key_destroy_func */
                                              NULL);      /* value_destroy_func */
    }
    else {
        /* try to find it among the existing known conversations */
        host_key_t existing_key;
        gpointer talker_idx_hash_val;

        copy_address_shallow(&existing_key.myaddress, addr);
        existing_key.port = port;

        if (g_hash_table_lookup_extended(ch->hashtable, &existing_key, NULL, &talker_idx_hash_val)) {
            talker = &g_array_index(ch->conv_array, hostlist_talker_t, GPOINTER_TO_UINT(talker_idx_hash_val));
        }
    }

    /* if we still don't know what talker this is it has to be a new one
       and we have to allocate it and append it to the end of the list */
    if(talker==NULL){
        host_key_t *new_key;
        hostlist_talker_t host;

        copy_address(&host.myaddress, addr);
        host.dissector_info = host_info;
        host.ptype=port_type_val;
        host.port=port;
        host.rx_frames=0;
        host.tx_frames=0;
        host.rx_bytes=0;
        host.tx_bytes=0;
        host.modified = TRUE;

        g_array_append_val(ch->conv_array, host);
        talker_idx= ch->conv_array->len - 1;
        talker=&g_array_index(ch->conv_array, hostlist_talker_t, talker_idx);

        /* hl->hosts address is not a constant but address.data is */
        new_key = g_new(host_key_t,1);
        set_address(&new_key->myaddress, talker->myaddress.type, talker->myaddress.len, talker->myaddress.data);
        new_key->port = port;
        g_hash_table_insert(ch->hashtable, new_key, GUINT_TO_POINTER(talker_idx));
    }

    /* if this is a new talker we need to initialize the struct */
    talker->modified = TRUE;

    /* update the talker struct */
    if( sender ){
        talker->tx_frames+=num_frames;
        talker->tx_bytes+=num_bytes;
    } else {
        talker->rx_frames+=num_frames;
        talker->rx_bytes+=num_bytes;
    }
}

static gboolean
test_type_is_a (GType type, gpointer is_a_type)
{
  return g_type_is_a (type, (GType) GPOINTER_TO_UINT (is_a_type));
}