L4Re Operating System Framework
Interface and Usage Documentation
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event.h
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1
5/*
6 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
7 * Alexander Warg <warg@os.inf.tu-dresden.de>
8 * economic rights: Technische Universität Dresden (Germany)
9 *
10 * This file is part of TUD:OS and distributed under the terms of the
11 * GNU General Public License 2.
12 * Please see the COPYING-GPL-2 file for details.
13 *
14 * As a special exception, you may use this file as part of a free software
15 * library without restriction. Specifically, if other files instantiate
16 * templates or use macros or inline functions from this file, or you compile
17 * this file and link it with other files to produce an executable, this
18 * file does not by itself cause the resulting executable to be covered by
19 * the GNU General Public License. This exception does not however
20 * invalidate any other reasons why the executable file might be covered by
21 * the GNU General Public License.
22 */
23#pragma once
24
31#include <l4/sys/types.h>
32#include <l4/re/c/dataspace.h>
33#include <l4/re/event.h>
34
36
40typedef struct
41{
42 long long time;
43 unsigned short type;
44 unsigned short code;
45 int value;
48
60L4_CV long
62 const l4re_ds_t ds) L4_NOTHROW;
63
74L4_CV long
76
89L4_CV long
91 int idx, l4re_event_stream_info_t *info) L4_NOTHROW;
92
105L4_CV long
107 l4_umword_t stream_id,
108 l4re_event_stream_info_t *info) L4_NOTHROW;
109
125L4_CV long
127 unsigned naxes, unsigned const *axis,
128 l4re_event_absinfo_t *info) L4_NOTHROW;
129
Data space C interface.
Events.
l4_cap_idx_t l4re_ds_t
Dataspace type.
Definition dataspace.h:39
long l4re_event_get_axis_info(const l4_cap_idx_t server, l4_umword_t id, unsigned naxes, unsigned const *axis, l4re_event_absinfo_t *info) L4_NOTHROW
Get Axis information for a stream.
long l4re_event_get_buffer(const l4_cap_idx_t server, const l4re_ds_t ds) L4_NOTHROW
Get an event signal buffer.
long l4re_event_get_stream_info_for_id(const l4_cap_idx_t server, l4_umword_t stream_id, l4re_event_stream_info_t *info) L4_NOTHROW
Get info for a stream given a stream id.
long l4re_event_get_num_streams(const l4_cap_idx_t server) L4_NOTHROW
Get number of streams.
long l4re_event_get_stream_info(const l4_cap_idx_t server, int idx, l4re_event_stream_info_t *info) L4_NOTHROW
Get information on a stream.
unsigned long l4_umword_t
Unsigned machine word.
Definition l4int.h:51
unsigned long l4_cap_idx_t
Capability selector type.
Definition types.h:359
#define L4_CV
Define calling convention.
Definition linkage.h:44
#define L4_NOTHROW
Mark a function declaration and definition as never throwing an exception.
Definition compiler.h:188
#define EXTERN_C_BEGIN
Start section with C types and functions.
Definition compiler.h:192
#define EXTERN_C_END
End section with C types and functions.
Definition compiler.h:193
Common L4 ABI Data Types.
Event structure used in buffer.
Definition event.h:41
unsigned short code
Code of the event.
Definition event.h:44
int value
Value of the event.
Definition event.h:45
unsigned short type
Type of the event.
Definition event.h:43
l4_umword_t stream_id
Stream ID.
Definition event.h:46
long long time
Time stamp of the event.
Definition event.h:42