[babeltrace.git] / include / babeltrace2 / types.h

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (C) 2010-2019 EfficiOS Inc. and Linux Foundation
 */

#ifndef BABELTRACE2_TYPES_H
#define BABELTRACE2_TYPES_H

#ifndef __BT_IN_BABELTRACE_H
# error "Please include <babeltrace2/babeltrace.h> instead."
#endif

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct bt_clock_class bt_clock_class;
typedef struct bt_clock_snapshot bt_clock_snapshot;
typedef struct bt_component bt_component;
typedef struct bt_component_class bt_component_class;
typedef struct bt_component_class_filter bt_component_class_filter;
typedef struct bt_component_class_sink bt_component_class_sink;
typedef struct bt_component_class_source bt_component_class_source;
typedef struct bt_component_descriptor_set bt_component_descriptor_set;
typedef struct bt_component_filter bt_component_filter;
typedef struct bt_component_sink bt_component_sink;
typedef struct bt_component_source bt_component_source;
typedef struct bt_connection bt_connection;
typedef struct bt_error bt_error;
typedef struct bt_error_cause bt_error_cause;
typedef struct bt_event bt_event;
typedef struct bt_event_class bt_event_class;
typedef struct bt_event_header_field bt_event_header_field;
typedef struct bt_field bt_field;
typedef struct bt_field_class bt_field_class;
typedef struct bt_field_class_enumeration_mapping bt_field_class_enumeration_mapping;
typedef struct bt_field_class_enumeration_signed_mapping bt_field_class_enumeration_signed_mapping;
typedef struct bt_field_class_enumeration_unsigned_mapping bt_field_class_enumeration_unsigned_mapping;
typedef struct bt_field_class_structure_member bt_field_class_structure_member;
typedef struct bt_field_class_variant_option bt_field_class_variant_option;
typedef struct bt_field_class_variant_with_selector_field_integer_signed_option bt_field_class_variant_with_selector_field_integer_signed_option;
typedef struct bt_field_class_variant_with_selector_field_integer_unsigned_option bt_field_class_variant_with_selector_field_integer_unsigned_option;
typedef struct bt_field_path bt_field_path;
typedef struct bt_field_path_item bt_field_path_item;
typedef struct bt_graph bt_graph;
typedef struct bt_integer_range_set bt_integer_range_set;
typedef struct bt_integer_range_set_signed bt_integer_range_set_signed;
typedef struct bt_integer_range_set_unsigned bt_integer_range_set_unsigned;
typedef struct bt_integer_range_signed bt_integer_range_signed;
typedef struct bt_integer_range_unsigned bt_integer_range_unsigned;
typedef struct bt_interrupter bt_interrupter;
typedef struct bt_message bt_message;
typedef struct bt_message_iterator bt_message_iterator;
typedef struct bt_message_iterator_class bt_message_iterator_class;
typedef struct bt_object bt_object;
typedef struct bt_packet bt_packet;
typedef struct bt_plugin bt_plugin;
typedef struct bt_plugin_set bt_plugin_set;
typedef struct bt_plugin_so_shared_lib_handle bt_plugin_so_shared_lib_handle;
typedef struct bt_port bt_port;
typedef struct bt_port_input bt_port_input;
typedef struct bt_port_output bt_port_output;
typedef struct bt_port_output_message_iterator bt_port_output_message_iterator;
typedef struct bt_private_query_executor bt_private_query_executor;
typedef struct bt_query_executor bt_query_executor;
typedef struct bt_self_component bt_self_component;
typedef struct bt_self_component_class bt_self_component_class;
typedef struct bt_self_component_class_filter bt_self_component_class_filter;
typedef struct bt_self_component_class_sink bt_self_component_class_sink;
typedef struct bt_self_component_class_source bt_self_component_class_source;
typedef struct bt_self_component_filter bt_self_component_filter;
typedef struct bt_self_component_filter_configuration bt_self_component_filter_configuration;
typedef struct bt_self_component_port bt_self_component_port;
typedef struct bt_self_component_port_input bt_self_component_port_input;
typedef struct bt_message_iterator bt_message_iterator;
typedef struct bt_self_component_port_output bt_self_component_port_output;
typedef struct bt_self_component_sink bt_self_component_sink;
typedef struct bt_self_component_sink_configuration bt_self_component_sink_configuration;
typedef struct bt_self_component_source bt_self_component_source;
typedef struct bt_self_component_source_configuration bt_self_component_source_configuration;
typedef struct bt_self_message_iterator bt_self_message_iterator;
typedef struct bt_self_message_iterator_configuration bt_self_message_iterator_configuration;
typedef struct bt_self_plugin bt_self_plugin;
typedef struct bt_stream bt_stream;
typedef struct bt_stream_class bt_stream_class;
typedef struct bt_trace bt_trace;
typedef struct bt_trace_class bt_trace_class;
typedef struct bt_value bt_value;

/*!
@defgroup api-common-types Common C types

@brief
    C types common to many parts of the API.
*/

/*! @{ */

/*!
@brief
    \em True value for #bt_bool.
*/
#define BT_TRUE		1

/*!
@brief
    \em False value for #bt_bool.
*/
#define BT_FALSE	0

/*!
@brief
    \bt_name boolean type.

The API uses #bt_bool instead of the C99 \c bool type for
<a href="https://en.wikipedia.org/wiki/Application_binary_interface">application binary interface</a>
reasons.

Use #BT_TRUE and #BT_FALSE to set and compare #bt_bool variables.
*/
typedef int bt_bool;

/*!
@brief
    Numeric ID which identifies a user listener function.

Some functions, such as bt_trace_add_destruction_listener(), return a
listener ID when you add a user listener function to some object. You
can then use this listener ID to remove the listener from the object.
*/
typedef uint64_t bt_listener_id;

/*!
@brief
    A
    <a href="https://en.wikipedia.org/wiki/Universally_unique_identifier">UUID</a>,
    that is, an array of 16&nbsp;constant bytes.
*/
typedef uint8_t const *bt_uuid;

/*!
@brief
    Availability of an object's property.

Some getter functions of the API, such as
bt_event_class_get_log_level(), return, by output parameter, an optional
object property which is not a pointer. In that case, the function
either:

- Returns #BT_PROPERTY_AVAILABILITY_AVAILABLE and sets an output
  parameter to the property's value.
- Returns #BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE.
*/
typedef enum bt_property_availability {
	/*!
	@brief
	    Property is available.
	*/
	BT_PROPERTY_AVAILABILITY_AVAILABLE  = 1,

	/*!
	@brief
	    Property is not available.
	*/
	BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE	= 0,
} bt_property_availability;

/*!
@brief
    Array of constant \bt_p_msg.

Such an array is filled by the
\link api-msg-iter-cls-meth-next "next" method\endlink of a
\bt_msg_iter and consumed with bt_message_iterator_next() by another
message iterator or by a \bt_sink_comp.
*/
typedef bt_message const **bt_message_array_const;

/*! @} */

#ifdef __cplusplus
}
#endif

#endif /* BABELTRACE2_TYPES_H */
Commit	Line	Data
	1	/*
	2	* SPDX-License-Identifier: MIT
	3	*
	4	* Copyright (C) 2010-2019 EfficiOS Inc. and Linux Foundation
	5	*/
	6
	7	#ifndef BABELTRACE2_TYPES_H
	8	#define BABELTRACE2_TYPES_H
	9
	10	#ifndef __BT_IN_BABELTRACE_H
	11	# error "Please include <babeltrace2/babeltrace.h> instead."
	12	#endif
	13
	14	#include <stdint.h>
	15
	16	#ifdef __cplusplus
	17	extern "C" {
	18	#endif
	19
	20	typedef struct bt_clock_class bt_clock_class;
	21	typedef struct bt_clock_snapshot bt_clock_snapshot;
	22	typedef struct bt_component bt_component;
	23	typedef struct bt_component_class bt_component_class;
	24	typedef struct bt_component_class_filter bt_component_class_filter;
	25	typedef struct bt_component_class_sink bt_component_class_sink;
	26	typedef struct bt_component_class_source bt_component_class_source;
	27	typedef struct bt_component_descriptor_set bt_component_descriptor_set;
	28	typedef struct bt_component_filter bt_component_filter;
	29	typedef struct bt_component_sink bt_component_sink;
	30	typedef struct bt_component_source bt_component_source;
	31	typedef struct bt_connection bt_connection;
	32	typedef struct bt_error bt_error;
	33	typedef struct bt_error_cause bt_error_cause;
	34	typedef struct bt_event bt_event;
	35	typedef struct bt_event_class bt_event_class;
	36	typedef struct bt_event_header_field bt_event_header_field;
	37	typedef struct bt_field bt_field;
	38	typedef struct bt_field_class bt_field_class;
	39	typedef struct bt_field_class_enumeration_mapping bt_field_class_enumeration_mapping;
	40	typedef struct bt_field_class_enumeration_signed_mapping bt_field_class_enumeration_signed_mapping;
	41	typedef struct bt_field_class_enumeration_unsigned_mapping bt_field_class_enumeration_unsigned_mapping;
	42	typedef struct bt_field_class_structure_member bt_field_class_structure_member;
	43	typedef struct bt_field_class_variant_option bt_field_class_variant_option;
	44	typedef struct bt_field_class_variant_with_selector_field_integer_signed_option bt_field_class_variant_with_selector_field_integer_signed_option;
	45	typedef struct bt_field_class_variant_with_selector_field_integer_unsigned_option bt_field_class_variant_with_selector_field_integer_unsigned_option;
	46	typedef struct bt_field_path bt_field_path;
	47	typedef struct bt_field_path_item bt_field_path_item;
	48	typedef struct bt_graph bt_graph;
	49	typedef struct bt_integer_range_set bt_integer_range_set;
	50	typedef struct bt_integer_range_set_signed bt_integer_range_set_signed;
	51	typedef struct bt_integer_range_set_unsigned bt_integer_range_set_unsigned;
	52	typedef struct bt_integer_range_signed bt_integer_range_signed;
	53	typedef struct bt_integer_range_unsigned bt_integer_range_unsigned;
	54	typedef struct bt_interrupter bt_interrupter;
	55	typedef struct bt_message bt_message;
	56	typedef struct bt_message_iterator bt_message_iterator;
	57	typedef struct bt_message_iterator_class bt_message_iterator_class;
	58	typedef struct bt_object bt_object;
	59	typedef struct bt_packet bt_packet;
	60	typedef struct bt_plugin bt_plugin;
	61	typedef struct bt_plugin_set bt_plugin_set;
	62	typedef struct bt_plugin_so_shared_lib_handle bt_plugin_so_shared_lib_handle;
	63	typedef struct bt_port bt_port;
	64	typedef struct bt_port_input bt_port_input;
	65	typedef struct bt_port_output bt_port_output;
	66	typedef struct bt_port_output_message_iterator bt_port_output_message_iterator;
	67	typedef struct bt_private_query_executor bt_private_query_executor;
	68	typedef struct bt_query_executor bt_query_executor;
	69	typedef struct bt_self_component bt_self_component;
	70	typedef struct bt_self_component_class bt_self_component_class;
	71	typedef struct bt_self_component_class_filter bt_self_component_class_filter;
	72	typedef struct bt_self_component_class_sink bt_self_component_class_sink;
	73	typedef struct bt_self_component_class_source bt_self_component_class_source;
	74	typedef struct bt_self_component_filter bt_self_component_filter;
	75	typedef struct bt_self_component_filter_configuration bt_self_component_filter_configuration;
	76	typedef struct bt_self_component_port bt_self_component_port;
	77	typedef struct bt_self_component_port_input bt_self_component_port_input;
	78	typedef struct bt_message_iterator bt_message_iterator;
	79	typedef struct bt_self_component_port_output bt_self_component_port_output;
	80	typedef struct bt_self_component_sink bt_self_component_sink;
	81	typedef struct bt_self_component_sink_configuration bt_self_component_sink_configuration;
	82	typedef struct bt_self_component_source bt_self_component_source;
	83	typedef struct bt_self_component_source_configuration bt_self_component_source_configuration;
	84	typedef struct bt_self_message_iterator bt_self_message_iterator;
	85	typedef struct bt_self_message_iterator_configuration bt_self_message_iterator_configuration;
	86	typedef struct bt_self_plugin bt_self_plugin;
	87	typedef struct bt_stream bt_stream;
	88	typedef struct bt_stream_class bt_stream_class;
	89	typedef struct bt_trace bt_trace;
	90	typedef struct bt_trace_class bt_trace_class;
	91	typedef struct bt_value bt_value;
	92
	93	/*!
	94	@defgroup api-common-types Common C types
	95
	96	@brief
	97	C types common to many parts of the API.
	98	*/
	99
	100	/! @{ /
	101
	102	/*!
	103	@brief
	104	\em True value for #bt_bool.
	105	*/
	106	#define BT_TRUE 1
	107
	108	/*!
	109	@brief
	110	\em False value for #bt_bool.
	111	*/
	112	#define BT_FALSE 0
	113
	114	/*!
	115	@brief
	116	\bt_name boolean type.
	117
	118	The API uses #bt_bool instead of the C99 \c bool type for
	119	<a href="https://en.wikipedia.org/wiki/Application_binary_interface">application binary interface</a>
	120	reasons.
	121
	122	Use #BT_TRUE and #BT_FALSE to set and compare #bt_bool variables.
	123	*/
	124	typedef int bt_bool;
	125
	126	/*!
	127	@brief
	128	Numeric ID which identifies a user listener function.
	129
	130	Some functions, such as bt_trace_add_destruction_listener(), return a
	131	listener ID when you add a user listener function to some object. You
	132	can then use this listener ID to remove the listener from the object.
	133	*/
	134	typedef uint64_t bt_listener_id;
	135
	136	/*!
	137	@brief
	138	A
	139	<a href="https://en.wikipedia.org/wiki/Universally_unique_identifier">UUID</a>,
	140	that is, an array of 16 constant bytes.
	141	*/
	142	typedef uint8_t const *bt_uuid;
	143
	144	/*!
	145	@brief
	146	Availability of an object's property.
	147
	148	Some getter functions of the API, such as
	149	bt_event_class_get_log_level(), return, by output parameter, an optional
	150	object property which is not a pointer. In that case, the function
	151	either:
	152
	153	- Returns #BT_PROPERTY_AVAILABILITY_AVAILABLE and sets an output
	154	parameter to the property's value.
	155	- Returns #BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE.
	156	*/
	157	typedef enum bt_property_availability {
	158	/*!
	159	@brief
	160	Property is available.
	161	*/
	162	BT_PROPERTY_AVAILABILITY_AVAILABLE = 1,
	163
	164	/*!
	165	@brief
	166	Property is not available.
	167	*/
	168	BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE = 0,
	169	} bt_property_availability;
	170
	171	/*!
	172	@brief
	173	Array of constant \bt_p_msg.
	174
	175	Such an array is filled by the
	176	\link api-msg-iter-cls-meth-next "next" method\endlink of a
	177	\bt_msg_iter and consumed with bt_message_iterator_next() by another
	178	message iterator or by a \bt_sink_comp.
	179	*/
	180	typedef bt_message const **bt_message_array_const;
	181
	182	/! @} /
	183
	184	#ifdef __cplusplus
	185	}
	186	#endif
	187
	188	#endif /* BABELTRACE2_TYPES_H */