L4Re::Event Class Reference

Event class. More...

#include <event>

Inheritance diagram for L4Re::Event:

Collaboration diagram for L4Re::Event:

Public Member Functions
long	get_buffer (L4::Ipc::Out< L4::Cap< Dataspace > > ds)
	Get event signal buffer.
long	get_num_streams ()
	Get number of event streams.
long	get_stream_info (int idx, Event_stream_info *info)
	Get event stream infos.
long	get_stream_info_for_id (l4_umword_t stream_id, Event_stream_info *info)
	Get event stream infos.
long	get_axis_info (l4_umword_t stream_id, unsigned naxes, unsigned const *axis, Event_absinfo *info) const noexcept
	Get event stream axis infos.
long	get_stream_state_for_id (l4_umword_t stream_id, Event_stream_state *state)
	Get event stream state.
Public Member Functions inherited from L4::Icu
l4_msgtag_t	bind (unsigned irqnum, L4::Cap< Triggerable > irq, l4_utcb_t *utcb=l4_utcb()) noexcept
	Bind an interrupt line of an interrupt controller to an interrupt object.
l4_msgtag_t	unbind (unsigned irqnum, L4::Cap< Triggerable > irq, l4_utcb_t *utcb=l4_utcb()) noexcept
	Remove binding of an interrupt line from the interrupt controller object.
l4_msgtag_t	info (l4_icu_info_t *info, l4_utcb_t *utcb=l4_utcb()) noexcept
	Get information about the ICU features.
l4_msgtag_t	msi_info (l4_umword_t irqnum, l4_uint64_t source, l4_icu_msi_info_t *msi_info)
	Get MSI info about IRQ.
l4_msgtag_t	mask (unsigned irqnum, l4_umword_t *label=0, l4_timeout_t to=L4_IPC_NEVER, l4_utcb_t *utcb=l4_utcb()) noexcept
	Mask an IRQ line.
l4_msgtag_t	set_mode (unsigned irqnum, l4_umword_t mode, l4_utcb_t *utcb=l4_utcb()) noexcept
	Set interrupt mode.
Public Member Functions inherited from L4::Irq_eoi
l4_msgtag_t	unmask (unsigned irqnum, l4_umword_t *label=0, l4_timeout_t to=L4_IPC_NEVER, l4_utcb_t *utcb=l4_utcb()) noexcept
	Unmask the given interrupt line.

Additional Inherited Members
Protected Types inherited from L4::Kobject_t< Event, L4::Icu, L4RE_PROTO_EVENT >
typedef Event	Class
	The target interface type (inheriting from Kobject_t)
typedef Typeid::Iface< PROTO, Event >	__Iface
	The interface description for the derived class.
typedef Typeid::Merge_list< Typeid::Iface_list< __Iface >, typename Base::__Iface_list >	__Iface_list
	The list of all RPC interfaces provided directly or through inheritance.
Protected Types inherited from L4::Kobject_t< Icu, Irq_eoi, L4_PROTO_IRQ, Type_info::Demand_t< 1 > >
typedef Icu	Class
	The target interface type (inheriting from Kobject_t)
typedef Typeid::Iface< PROTO, Icu >	__Iface
	The interface description for the derived class.
typedef Typeid::Merge_list< Typeid::Iface_list< __Iface >, typename Base::__Iface_list >	__Iface_list
	The list of all RPC interfaces provided directly or through inheritance.
Protected Member Functions inherited from L4::Kobject_t< Event, L4::Icu, L4RE_PROTO_EVENT >
L4::Cap< Class >	c () const noexcept
	Get the capability to ourselves.
Protected Member Functions inherited from L4::Kobject_t< Icu, Irq_eoi, L4_PROTO_IRQ, Type_info::Demand_t< 1 > >
L4::Cap< Class >	c () const noexcept
	Get the capability to ourselves.
Static Protected Member Functions inherited from L4::Kobject_t< Event, L4::Icu, L4RE_PROTO_EVENT >
static void	__check_protocols__ () noexcept
	Helper to check for protocol conflicts.
Static Protected Member Functions inherited from L4::Kobject_t< Icu, Irq_eoi, L4_PROTO_IRQ, Type_info::Demand_t< 1 > >
static void	__check_protocols__ () noexcept
	Helper to check for protocol conflicts.

Detailed Description

Event class.

See also

L4Re Event API

Definition at line 148 of file event.

Member Function Documentation

get_axis_info()

long L4Re::Event::get_axis_info ( l4_umword_t  stream_id, unsigned  naxes, unsigned const *  axis, Event_absinfo *  info  ) const

inlinenoexcept

Get event stream axis infos.

Parameters

	stream_id	ID of the event stream.
[in]	axes	Array of axis IDs.
[out]	info	Array of axis infos.

Return values

>=0	Number of returned axes infos.
<0	Error code.

Definition at line 208 of file event.

get_buffer()

long L4Re::Event::get_buffer

(

L4::Ipc::Out< L4::Cap< Dataspace > >

ds

)

Get event signal buffer.

Parameters

[out]

ds

Event buffer.

Return values

0	Success
<0	Error

get_num_streams()

long L4Re::Event::get_num_streams

(

)

Get number of event streams.

Return values

>=0	Number of streams.
<0	Error code.

get_stream_info()

long L4Re::Event::get_stream_info	(	int	idx,
		Event_stream_info *	info
	)

Get event stream infos.

Deprecated. Use get_stream_info_for_id().

Parameters

	idx	ID of the event stream.
[out]	info	Event stream info.

Return values

0	Success
<0	Error

get_stream_info_for_id()

long L4Re::Event::get_stream_info_for_id	(	l4_umword_t	stream_id,
		Event_stream_info *	info
	)

Get event stream infos.

Parameters

	stream_id	ID of the event stream.
[out]	info	Event stream info.

Return values

0	Success
<0	Error

get_stream_state_for_id()

long L4Re::Event::get_stream_state_for_id	(	l4_umword_t	stream_id,
		Event_stream_state *	state
	)

Get event stream state.

Parameters

	stream_id	ID of the event stream.
[out]	state	Event stream state.

Return values

0	Success
<0	Error

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The documentation for this class was generated from the following file:

• l4/re/event