XplayerObject

XplayerObject — main Xplayer object

Stability Level

Unstable, unless otherwise indicated

Functions

void xplayer_object_plugins_init ()
void xplayer_object_plugins_shutdown ()
void xplayer_file_opened ()
void xplayer_file_closed ()
void xplayer_metadata_updated ()
void xplayer_object_action_error ()
void xplayer_object_action_exit ()
void xplayer_object_add_to_playlist_and_play ()
void xplayer_object_action_play ()
void xplayer_object_action_play_pause ()
void xplayer_action_pause ()
void xplayer_object_action_stop ()
void xplayer_action_fullscreen ()
void xplayer_object_action_fullscreen_toggle ()
void xplayer_object_action_next ()
void xplayer_object_action_previous ()
void xplayer_action_next_angle ()
gboolean xplayer_object_action_remote_get_setting ()
void xplayer_object_action_remote_set_setting ()
void xplayer_object_action_seek_time ()
void xplayer_action_seek_relative ()
void xplayer_object_action_volume ()
void xplayer_action_volume_relative ()
void xplayer_action_volume_toggle_mute ()
void xplayer_action_toggle_aspect_ratio ()
int xplayer_action_get_aspect_ratio ()
void xplayer_action_set_aspect_ratio ()
void xplayer_action_toggle_controls ()
void xplayer_action_set_scale_ratio ()
void xplayer_action_set_playlist_index ()
void xplayer_object_action_remote ()
gboolean xplayer_is_fullscreen ()
gboolean xplayer_object_is_playing ()
gboolean xplayer_object_is_paused ()
gboolean xplayer_object_is_seekable ()
GtkWindow * xplayer_object_get_main_window ()
GtkUIManager * xplayer_object_get_ui_manager ()
char * xplayer_object_get_current_mrl ()
GtkWidget * xplayer_object_get_video_widget ()
gint64 xplayer_get_current_time ()
void xplayer_object_set_current_subtitle ()
guint xplayer_object_get_playlist_length ()
int xplayer_object_get_playlist_pos ()
char * xplayer_object_get_title_at_playlist_pos ()
char * xplayer_get_short_title ()
double xplayer_object_get_volume ()
char * xplayer_object_get_version ()
void xplayer_object_add_sidebar_page ()
void xplayer_object_remove_sidebar_page ()
const gchar * const * xplayer_object_get_supported_content_types ()
const gchar * const * xplayer_object_get_supported_uri_schemes ()

Properties

Signals

Types and Values

Object Hierarchy

    GObject
    ╰── GApplication
        ╰── GtkApplication
            ╰── XplayerObject

Implemented Interfaces

XplayerObject implements GActionGroup and GActionMap.

Includes

#include <xplayer.h>

Description

XplayerObject is the core object of Xplayer; a singleton which controls all Xplayer's main functions.

Functions

xplayer_object_plugins_init ()

void
xplayer_object_plugins_init (XplayerObject *xplayer);

Initialises the plugin engine and activates all the enabled plugins.

Parameters

xplayer

a XplayerObject

 

xplayer_object_plugins_shutdown ()

void
xplayer_object_plugins_shutdown (XplayerObject *xplayer);

Shuts down the plugin engine and deactivates all the plugins.

Parameters

xplayer

a XplayerObject

 

xplayer_file_opened ()

void
xplayer_file_opened (XplayerObject *xplayer,
                     const char *mrl);

Emits the “file-opened” signal on xplayer , with the specified mrl .

Parameters

xplayer

a XplayerObject

 

mrl

the MRL opened

 

xplayer_file_closed ()

void
xplayer_file_closed (XplayerObject *xplayer);

Emits the “file-closed” signal on xplayer .

Parameters

xplayer

a XplayerObject

 

xplayer_metadata_updated ()

void
xplayer_metadata_updated (XplayerObject *xplayer,
                          const char *artist,
                          const char *title,
                          const char *album,
                          guint track_num);

Emits the “metadata-updated” signal on xplayer , with the specified stream data.

Parameters

xplayer

a XplayerObject

 

artist

the stream's artist, or NULL

 

title

the stream's title, or NULL

 

album

the stream's album, or NULL

 

track_num

the track number of the stream

 

xplayer_object_action_error ()

void
xplayer_object_action_error (XplayerObject *xplayer,
                             const char *title,
                             const char *reason);

Displays a non-blocking error dialog with the given title and reason .

Parameters

xplayer

a XplayerObject

 

title

the error dialog title

 

reason

the error dialog text

 

xplayer_object_action_exit ()

void
xplayer_object_action_exit (XplayerObject *xplayer);

Closes Xplayer.

Parameters

xplayer

a XplayerObject

 

xplayer_object_add_to_playlist_and_play ()

void
xplayer_object_add_to_playlist_and_play
                               (XplayerObject *xplayer,
                                const char *uri,
                                const char *display_name);

Add uri to the playlist and play it immediately.

Parameters

xplayer

a XplayerObject

 

uri

the URI to add to the playlist

 

display_name

the display name of the URI

 

xplayer_object_action_play ()

void
xplayer_object_action_play (XplayerObject *xplayer);

Plays the current stream. If Xplayer is already playing, it continues to play. If the stream cannot be played, and error dialog is displayed.

Parameters

xplayer

a XplayerObject

 

xplayer_object_action_play_pause ()

void
xplayer_object_action_play_pause (XplayerObject *xplayer);

Gets the current MRL from the playlist and attempts to play it. If the stream is already playing, playback is paused.

Parameters

xplayer

a XplayerObject

 

xplayer_action_pause ()

void
xplayer_action_pause (XplayerObject *xplayer);

Pauses the current stream. If Xplayer is already paused, it continues to be paused.

Parameters

xplayer

a XplayerObject

 

xplayer_object_action_stop ()

void
xplayer_object_action_stop (XplayerObject *xplayer);

Stops the current stream.

Parameters

xplayer

a XplayerObject

 

xplayer_action_fullscreen ()

void
xplayer_action_fullscreen (XplayerObject *xplayer,
                           gboolean state);

Sets Xplayer's fullscreen state according to state .

Parameters

xplayer

a XplayerObject

 

state

TRUE if Xplayer should be fullscreened

 

xplayer_object_action_fullscreen_toggle ()

void
xplayer_object_action_fullscreen_toggle
                               (XplayerObject *xplayer);

Toggles Xplayer's fullscreen state; if Xplayer is fullscreened, calling this makes it unfullscreened and vice-versa.

Parameters

xplayer

a XplayerObject

 

xplayer_object_action_next ()

void
xplayer_object_action_next (XplayerObject *xplayer);

If a DVD is being played, goes to the next chapter. If a normal stream is being played, plays the next entry in the playlist.

Parameters

xplayer

a XplayerObject

 

xplayer_object_action_previous ()

void
xplayer_object_action_previous (XplayerObject *xplayer);

If a DVD is being played, goes to the previous chapter. If a normal stream is being played, goes to the start of the stream if possible. If seeking is not possible, plays the previous entry in the playlist.

Parameters

xplayer

a XplayerObject

 

xplayer_action_next_angle ()

void
xplayer_action_next_angle (XplayerObject *xplayer);

Switches to the next angle, if watching a DVD. If not watching a DVD, this is a no-op.

Parameters

xplayer

a XplayerObject

 

xplayer_object_action_remote_get_setting ()

gboolean
xplayer_object_action_remote_get_setting
                               (XplayerObject *xplayer,
                                XplayerRemoteSetting setting);

Returns the value of setting for this instance of Xplayer.

Parameters

xplayer

a XplayerObject

 

setting

a XplayerRemoteSetting

 

Returns

TRUE if the setting is enabled, FALSE otherwise


xplayer_object_action_remote_set_setting ()

void
xplayer_object_action_remote_set_setting
                               (XplayerObject *xplayer,
                                XplayerRemoteSetting setting,
                                gboolean value);

Sets setting to value on this instance of Xplayer.

Parameters

xplayer

a XplayerObject

 

setting

a XplayerRemoteSetting

 

value

the new value for the setting

 

xplayer_object_action_seek_time ()

void
xplayer_object_action_seek_time (XplayerObject *xplayer,
                                 gint64 msec,
                                 gboolean accurate);

Seeks to an absolute time in the stream, or displays an error dialog if that's not possible.

Parameters

xplayer

a XplayerObject

 

msec

the time to seek to

 

accurate

whether to use accurate seek, an accurate seek might be slower for some formats (see GStreamer docs)

 

xplayer_action_seek_relative ()

void
xplayer_action_seek_relative (XplayerObject *xplayer,
                              gint64 offset,
                              gboolean accurate);

Seeks to an offset from the current position in the stream, or displays an error dialog if that's not possible.

Parameters

xplayer

a XplayerObject

 

offset

the time offset to seek to

 

accurate

whether to use accurate seek, an accurate seek might be slower for some formats (see GStreamer docs)

 

xplayer_object_action_volume ()

void
xplayer_object_action_volume (XplayerObject *xplayer,
                              double volume);

Sets the volume, with 1.0 being the maximum, and 0.0 being the minimum level.

Parameters

xplayer

a XplayerObject

 

volume

the new absolute volume value

 

xplayer_action_volume_relative ()

void
xplayer_action_volume_relative (XplayerObject *xplayer,
                                double off_pct);

Sets the volume relative to its current level, with 1.0 being the maximum, and 0.0 being the minimum level.

Parameters

xplayer

a XplayerObject

 

off_pct

the value by which to increase or decrease the volume

 

xplayer_action_volume_toggle_mute ()

void
xplayer_action_volume_toggle_mute (XplayerObject *xplayer);

Toggles the mute status.

Parameters

xplayer

a XplayerObject

 

xplayer_action_toggle_aspect_ratio ()

void
xplayer_action_toggle_aspect_ratio (XplayerObject *xplayer);

Toggles the aspect ratio selected in the menu to the next one in the list.

Parameters

xplayer

a XplayerObject

 

xplayer_action_get_aspect_ratio ()

int
xplayer_action_get_aspect_ratio (XplayerObject *xplayer);

Gets the current aspect ratio as defined in BvwAspectRatio.

Parameters

xplayer

a XplayerObject

 

Returns

the current aspect ratio


xplayer_action_set_aspect_ratio ()

void
xplayer_action_set_aspect_ratio (XplayerObject *xplayer,
                                 int ratio);

Sets the aspect ratio selected in the menu to ratio , as defined in BvwAspectRatio.

Parameters

xplayer

a XplayerObject

 

ratio

the aspect ratio to use

 

xplayer_action_toggle_controls ()

void
xplayer_action_toggle_controls (XplayerObject *xplayer);

If Xplayer's not fullscreened, this toggles the state of the "Show Controls" menu entry, and consequently shows or hides the controls in the UI.

Parameters

xplayer

a XplayerObject

 

xplayer_action_set_scale_ratio ()

void
xplayer_action_set_scale_ratio (XplayerObject *xplayer,
                                gfloat ratio);

Sets the video scale ratio, as a float where, for example, 1.0 is 1:1 and 2.0 is 2:1.

Parameters

xplayer

a XplayerObject

 

ratio

the scale ratio to use

 

xplayer_action_set_playlist_index ()

void
xplayer_action_set_playlist_index (XplayerObject *xplayer,
                                   guint index);

Sets the 0-based playlist index to index , causing Xplayer to load and start playing that playlist entry.

If index is higher than the current length of the playlist, this has the effect of restarting the current playlist entry.

Parameters

xplayer

a XplayerObject

 

index

the new playlist index

 

xplayer_object_action_remote ()

void
xplayer_object_action_remote (XplayerObject *xplayer,
                              XplayerRemoteCommand cmd,
                              const char *url);

Executes the specified cmd on this instance of Xplayer. If cmd is an operation requiring an MRL, url is required; it can be NULL otherwise.

If Xplayer's fullscreened and the operation is executed correctly, the controls will appear as if the user had moved the mouse.

Parameters

xplayer

a XplayerObject

 

cmd

a XplayerRemoteCommand

 

url

an MRL to play, or NULL

 

xplayer_is_fullscreen ()

gboolean
xplayer_is_fullscreen (XplayerObject *xplayer);

Returns TRUE if Xplayer is fullscreened.

Parameters

xplayer

a XplayerObject

 

Returns

TRUE if Xplayer is fullscreened


xplayer_object_is_playing ()

gboolean
xplayer_object_is_playing (XplayerObject *xplayer);

Returns TRUE if Xplayer is playing a stream.

Parameters

xplayer

a XplayerObject

 

Returns

TRUE if Xplayer is playing a stream


xplayer_object_is_paused ()

gboolean
xplayer_object_is_paused (XplayerObject *xplayer);

Returns TRUE if playback is paused.

Parameters

xplayer

a XplayerObject

 

Returns

TRUE if playback is paused, FALSE otherwise


xplayer_object_is_seekable ()

gboolean
xplayer_object_is_seekable (XplayerObject *xplayer);

Returns TRUE if the current stream is seekable.

Parameters

xplayer

a XplayerObject

 

Returns

TRUE if the current stream is seekable


xplayer_object_get_main_window ()

GtkWindow *
xplayer_object_get_main_window (XplayerObject *xplayer);

Gets Xplayer's main window and increments its reference count.

Parameters

xplayer

a XplayerObject

 

Returns

Xplayer's main window.

[transfer full]


xplayer_object_get_ui_manager ()

GtkUIManager *
xplayer_object_get_ui_manager (XplayerObject *xplayer);

Gets Xplayer's UI manager, but does not change its reference count.

Parameters

xplayer

a XplayerObject

 

Returns

Xplayer's UI manager.

[transfer none]


xplayer_object_get_current_mrl ()

char *
xplayer_object_get_current_mrl (XplayerObject *xplayer);

Get the MRL of the current stream, or NULL if nothing's playing. Free with g_free().

Parameters

xplayer

a XplayerObject

 

Returns

a newly-allocated string containing the MRL of the current stream


xplayer_object_get_video_widget ()

GtkWidget *
xplayer_object_get_video_widget (XplayerObject *xplayer);

Gets Xplayer's video widget and increments its reference count.

Parameters

xplayer

a XplayerObject

 

Returns

Xplayer's video widget.

[transfer full]


xplayer_get_current_time ()

gint64
xplayer_get_current_time (XplayerObject *xplayer);

Gets the current position's time in the stream as a gint64.

Parameters

xplayer

a XplayerObject

 

Returns

the current position in the stream


xplayer_object_set_current_subtitle ()

void
xplayer_object_set_current_subtitle (XplayerObject *xplayer,
                                     const char *subtitle_uri);

Add the subtitle_uri subtitle file to the playlist, setting it as the subtitle for the current playlist entry.

Parameters

xplayer

a XplayerObject

 

subtitle_uri

the URI of the subtitle file to add

 

xplayer_object_get_playlist_length ()

guint
xplayer_object_get_playlist_length (XplayerObject *xplayer);

Returns the length of the current playlist.

Parameters

xplayer

a XplayerObject

 

Returns

the playlist length


xplayer_object_get_playlist_pos ()

int
xplayer_object_get_playlist_pos (XplayerObject *xplayer);

Returns the 0-based index of the current entry in the playlist. If there is no current entry in the playlist, -1 is returned.

Parameters

xplayer

a XplayerObject

 

Returns

the index of the current playlist entry, or -1


xplayer_object_get_title_at_playlist_pos ()

char *
xplayer_object_get_title_at_playlist_pos
                               (XplayerObject *xplayer,
                                guint playlist_index);

Gets the title of the playlist entry at index .

Parameters

xplayer

a XplayerObject

 

playlist_index

the 0-based entry index

 

Returns

the entry title at index , or NULL; free with g_free()


xplayer_get_short_title ()

char *
xplayer_get_short_title (XplayerObject *xplayer);

Gets the title of the current entry in the playlist.

Parameters

xplayer

a XplayerObject

 

Returns

the current entry's title, or NULL; free with g_free()


xplayer_object_get_volume ()

double
xplayer_object_get_volume (XplayerObject *xplayer);

Gets the current volume level, as a value between 0.0 and 1.0.

Parameters

xplayer

a XplayerObject

 

Returns

the volume level


xplayer_object_get_version ()

char *
xplayer_object_get_version (void);

Gets the application name and version (e.g. "Xplayer 2.28.0").

Returns

a newly-allocated string of the name and version of the application


xplayer_object_add_sidebar_page ()

void
xplayer_object_add_sidebar_page (XplayerObject *xplayer,
                                 const char *page_id,
                                 const char *title,
                                 GtkWidget *main_widget);

Adds a sidebar page to Xplayer's sidebar with the given page_id . main_widget is added into the page and shown automatically, while title is displayed as the page's title in the tab bar.

Parameters

xplayer

a XplayerObject

 

page_id

a string used to identify the page

 

title

the page's title

 

main_widget

the main widget for the page

 

xplayer_object_remove_sidebar_page ()

void
xplayer_object_remove_sidebar_page (XplayerObject *xplayer,
                                    const char *page_id);

Removes the page identified by page_id from Xplayer's sidebar. If page_id doesn't exist in the sidebar, this function does nothing.

Parameters

xplayer

a XplayerObject

 

page_id

a string used to identify the page

 

xplayer_object_get_supported_content_types ()

const gchar * const *
xplayer_object_get_supported_content_types
                               (void);

Get the full list of file content types which Xplayer supports playing.

Returns

a NULL-terminated array of the content types Xplayer supports.

[array zero-terminated=1][transfer none]

Since: 3.1.5


xplayer_object_get_supported_uri_schemes ()

const gchar * const *
xplayer_object_get_supported_uri_schemes
                               (void);

Get the full list of URI schemes which Xplayer supports accessing.

Returns

a NULL-terminated array of the URI schemes Xplayer supports.

[array zero-terminated=1][transfer none]

Since: 3.1.5

Types and Values

Xplayer

typedef struct _XplayerObject Xplayer;

The Xplayer object is a handy synonym for XplayerObject, and the two can be used interchangably.


XplayerObject

typedef struct _XplayerObject XplayerObject;

All the fields in the XplayerObject structure are private and should never be accessed directly.


enum XplayerRemoteCommand

Represents a command which can be sent to a running Xplayer instance remotely.

Members

XPLAYER_REMOTE_COMMAND_UNKNOWN

unknown command

 

XPLAYER_REMOTE_COMMAND_PLAY

play the current stream

 

XPLAYER_REMOTE_COMMAND_PAUSE

pause the current stream

 

XPLAYER_REMOTE_COMMAND_STOP

stop playing the current stream

 

XPLAYER_REMOTE_COMMAND_PLAYPAUSE

toggle play/pause on the current stream

 

XPLAYER_REMOTE_COMMAND_NEXT

play the next playlist item

 

XPLAYER_REMOTE_COMMAND_PREVIOUS

play the previous playlist item

 

XPLAYER_REMOTE_COMMAND_SEEK_FORWARD

seek forwards in the current stream

 

XPLAYER_REMOTE_COMMAND_SEEK_BACKWARD

seek backwards in the current stream

 

XPLAYER_REMOTE_COMMAND_VOLUME_UP

increase the volume

 

XPLAYER_REMOTE_COMMAND_VOLUME_DOWN

decrease the volume

 

XPLAYER_REMOTE_COMMAND_FULLSCREEN

toggle fullscreen mode

 

XPLAYER_REMOTE_COMMAND_QUIT

quit the instance of Xplayer

 

XPLAYER_REMOTE_COMMAND_ENQUEUE

enqueue a new playlist item

 

XPLAYER_REMOTE_COMMAND_REPLACE

replace an item in the playlist

 

XPLAYER_REMOTE_COMMAND_SHOW

show the Xplayer instance

 

XPLAYER_REMOTE_COMMAND_TOGGLE_CONTROLS

toggle the control visibility

 

XPLAYER_REMOTE_COMMAND_UP

go up (DVD controls)

 

XPLAYER_REMOTE_COMMAND_DOWN

go down (DVD controls)

 

XPLAYER_REMOTE_COMMAND_LEFT

go left (DVD controls)

 

XPLAYER_REMOTE_COMMAND_RIGHT

go right (DVD controls)

 

XPLAYER_REMOTE_COMMAND_SELECT

select the current item (DVD controls)

 

XPLAYER_REMOTE_COMMAND_DVD_MENU

go to the DVD menu

 

XPLAYER_REMOTE_COMMAND_ZOOM_UP

increase the zoom level

 

XPLAYER_REMOTE_COMMAND_ZOOM_DOWN

decrease the zoom level

 

XPLAYER_REMOTE_COMMAND_EJECT

eject the current disc

 

XPLAYER_REMOTE_COMMAND_PLAY_DVD

play a DVD in a drive

 

XPLAYER_REMOTE_COMMAND_MUTE

toggle mute

 

XPLAYER_REMOTE_COMMAND_TOGGLE_ASPECT

toggle the aspect ratio

 

enum XplayerRemoteSetting

Represents a boolean setting or preference on a remote Xplayer instance.

Members

XPLAYER_REMOTE_SETTING_SHUFFLE

whether shuffle is enabled

 

XPLAYER_REMOTE_SETTING_REPEAT

whether repeat is enabled

 

XPLAYER_GSETTINGS_SCHEMA

#define XPLAYER_GSETTINGS_SCHEMA "org.x.player"

The GSettings schema under which all Xplayer settings are stored.

Property Details

The “current-content-type” property

  “current-content-type”     gchar *

The content-type of the current stream.

Flags: Read

Default value: NULL


The “current-display-name” property

  “current-display-name”     gchar *

The display name of the current stream.

Flags: Read

Default value: NULL


The “current-mrl” property

  “current-mrl”              gchar *

The MRL of the current stream.

Flags: Read

Default value: NULL


The “current-time” property

  “current-time”             gint64

The player's position (time) in the current stream, in milliseconds.

Flags: Read

Default value: 0


The “fullscreen” property

  “fullscreen”               gboolean

If TRUE, Xplayer is in fullscreen mode.

Flags: Read

Default value: FALSE


The “playing” property

  “playing”                  gboolean

If TRUE, Xplayer is playing an audio or video file.

Flags: Read

Default value: FALSE


The “remember-position” property

  “remember-position”        gboolean

If TRUE, Xplayer will remember the position it was at last time a given file was opened.

Flags: Read / Write

Default value: FALSE


The “seekable” property

  “seekable”                 gboolean

If TRUE, the current stream is seekable.

Flags: Read

Default value: FALSE


The “stream-length” property

  “stream-length”            gint64

The length of the current stream, in milliseconds.

Flags: Read

Default value: 0

Signal Details

The “file-closed” signal

void
user_function (XplayerObject *xplayer,
               gpointer       user_data)

The “file-closed” signal is emitted when Xplayer closes a stream.

Parameters

xplayer

the XplayerObject which received the signal

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last


The “file-has-played” signal

void
user_function (XplayerObject *xplayer,
               gchar         *mrl,
               gpointer       user_data)

The “file-has-played” signal is emitted when a new stream has started playing in Xplayer.

Parameters

xplayer

the XplayerObject which received the signal

 

mrl

the MRL of the opened stream

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last


The “file-opened” signal

void
user_function (XplayerObject *xplayer,
               gchar         *mrl,
               gpointer       user_data)

The “file-opened” signal is emitted when a new stream is opened by Xplayer.

Parameters

xplayer

the XplayerObject which received the signal

 

mrl

the MRL of the opened stream

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last


The “get-text-subtitle” signal

gchar*
user_function (XplayerObject *xplayer,
               gchar         *mrl,
               gpointer       user_data)

The “get-text-subtitle” signal is emitted before opening a stream, so that plugins have the opportunity to detect or download text subtitles for the stream if necessary.

Parameters

xplayer

the XplayerObject which received the signal

 

mrl

the MRL of the opened stream

 

user_data

user data set when the signal handler was connected.

 

Returns

allocated string representing the URI of the subtitle to use for mrl

Flags: Run Last


The “get-user-agent” signal

gchar*
user_function (XplayerObject *xplayer,
               gchar         *mrl,
               gpointer       user_data)

The “get-user-agent” signal is emitted before opening a stream, so that plugins have the opportunity to return the user-agent to be set.

Parameters

xplayer

the XplayerObject which received the signal

 

mrl

the MRL of the opened stream

 

user_data

user data set when the signal handler was connected.

 

Returns

allocated string representing the user-agent to use for mrl

Flags: Run Last


The “metadata-updated” signal

void
user_function (XplayerObject *xplayer,
               gchar         *artist,
               gchar         *title,
               gchar         *album,
               guint          track_number,
               gpointer       user_data)

The “metadata-updated” signal is emitted when the metadata of a stream is updated, typically when it's being loaded.

Parameters

xplayer

the XplayerObject which received the signal

 

artist

the name of the artist, or NULL

 

title

the stream title, or NULL

 

album

the name of the stream's album, or NULL

 

track_number

the stream's track number

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last