X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-ctl-internal.h;h=610aa7f363ba208efdfe0c7321d105a9722c0097;hp=96cbf79bc88efb85fadca521717cc326af44ad2a;hb=HEAD;hpb=b623cb6a788d9e666d9a93658ab04b06458863ef

diff --git a/src/bin/lttng-sessiond/ust-ctl-internal.h b/src/bin/lttng-sessiond/ust-ctl-internal.h
deleted file mode 100644
index 96cbf79bc..000000000
--- a/src/bin/lttng-sessiond/ust-ctl-internal.h
+++ /dev/null
@@ -1,656 +0,0 @@
-/*
- * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
- * Copyright (C) 2011-2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#ifndef LTTNG_UST_CTL_INTERNAL_H
-#define LTTNG_UST_CTL_INTERNAL_H
-
-#include <sys/types.h>
-#include <limits.h>
-
-#include "lttng-ust-abi.h"
-
-#ifndef LTTNG_UST_UUID_LEN
-#define LTTNG_UST_UUID_LEN	16
-#endif
-
-/* Default unix socket path */
-#define LTTNG_UST_SOCK_FILENAME					\
-	"lttng-ust-sock-"					\
-	__ust_stringify(LTTNG_UST_ABI_MAJOR_VERSION)
-
-/*
- * Shared memory files path are automatically related to shm root, e.g.
- * /dev/shm under linux.
- */
-#define LTTNG_UST_WAIT_FILENAME					\
-	"lttng-ust-wait-"					\
-	__ust_stringify(LTTNG_UST_ABI_MAJOR_VERSION)
-
-struct lttng_ust_shm_handle;
-struct lttng_ust_lib_ring_buffer;
-
-struct lttng_ust_ctl_consumer_channel_attr {
-	enum lttng_ust_abi_chan_type type;
-	uint64_t subbuf_size;			/* bytes */
-	uint64_t num_subbuf;			/* power of 2 */
-	int overwrite;				/* 1: overwrite, 0: discard */
-	unsigned int switch_timer_interval;	/* usec */
-	unsigned int read_timer_interval;	/* usec */
-	enum lttng_ust_abi_output output;	/* splice, mmap */
-	uint32_t chan_id;			/* channel ID */
-	unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
-	int64_t blocking_timeout;			/* Blocking timeout (usec) */
-} LTTNG_PACKED;
-
-/*
- * API used by sessiond.
- */
-
-struct lttng_ust_context_attr {
-	enum lttng_ust_abi_context_type ctx;
-	union {
-		struct lttng_ust_abi_perf_counter_ctx perf_counter;
-		struct {
-			char *provider_name;
-			char *ctx_name;
-		} app_ctx;
-	} u;
-};
-
-/*
- * Error values: all the following functions return:
- * >= 0: Success (LTTNG_UST_OK)
- * < 0: error code.
- */
-int lttng_ust_ctl_register_done(int sock);
-int lttng_ust_ctl_create_session(int sock);
-int lttng_ust_ctl_create_event(int sock, struct lttng_ust_abi_event *ev,
-		struct lttng_ust_abi_object_data *channel_data,
-		struct lttng_ust_abi_object_data **event_data);
-int lttng_ust_ctl_add_context(int sock, struct lttng_ust_context_attr *ctx,
-		struct lttng_ust_abi_object_data *obj_data,
-		struct lttng_ust_abi_object_data **context_data);
-int lttng_ust_ctl_set_filter(int sock, struct lttng_ust_abi_filter_bytecode *bytecode,
-		struct lttng_ust_abi_object_data *obj_data);
-int lttng_ust_ctl_set_capture(int sock, struct lttng_ust_abi_capture_bytecode *bytecode,
-		struct lttng_ust_abi_object_data *obj_data);
-int lttng_ust_ctl_set_exclusion(int sock, struct lttng_ust_abi_event_exclusion *exclusion,
-		struct lttng_ust_abi_object_data *obj_data);
-
-int lttng_ust_ctl_enable(int sock, struct lttng_ust_abi_object_data *object);
-int lttng_ust_ctl_disable(int sock, struct lttng_ust_abi_object_data *object);
-int lttng_ust_ctl_start_session(int sock, int handle);
-int lttng_ust_ctl_stop_session(int sock, int handle);
-
-/*
- * lttng_ust_ctl_create_event notifier_group creates a event notifier group. It
- * establishes the connection with the application by providing a file
- * descriptor of the pipe to be used by the application when a event notifier
- * of that group is fired. It returns a handle to be used when creating event
- * notifier in that group.
- */
-int lttng_ust_ctl_create_event_notifier_group(int sock, int pipe_fd,
-		struct lttng_ust_abi_object_data **event_notifier_group);
-
-/*
- * lttng_ust_ctl_create_event notifier creates a event notifier in a event notifier
- * group giving a event notifier description and a event notifier group handle.
- * It returns a event notifier handle to be used when enabling the event
- * notifier, attaching filter, attaching exclusion, and disabling the event
- * notifier.
- */
-int lttng_ust_ctl_create_event_notifier(int sock,
-		struct lttng_ust_abi_event_notifier *event_notifier,
-		struct lttng_ust_abi_object_data *event_notifier_group,
-		struct lttng_ust_abi_object_data **event_notifier_data);
-
-/*
- * lttng_ust_ctl_tracepoint_list returns a tracepoint list handle, or negative
- * error value.
- */
-int lttng_ust_ctl_tracepoint_list(int sock);
-
-/*
- * lttng_ust_ctl_tracepoint_list_get is used to iterate on the tp list
- * handle. End is iteration is reached when -LTTNG_UST_ERR_NOENT is
- * returned.
- */
-int lttng_ust_ctl_tracepoint_list_get(int sock, int tp_list_handle,
-		struct lttng_ust_abi_tracepoint_iter *iter);
-
-/*
- * lttng_ust_ctl_tracepoint_field_list returns a tracepoint field list handle,
- * or negative error value.
- */
-int lttng_ust_ctl_tracepoint_field_list(int sock);
-
-/*
- * lttng_ust_ctl_tracepoint_field_list_get is used to iterate on the tp field
- * list handle. End is iteration is reached when -LTTNG_UST_ERR_NOENT is
- * returned.
- */
-int lttng_ust_ctl_tracepoint_field_list_get(int sock, int tp_field_list_handle,
-		struct lttng_ust_abi_field_iter *iter);
-
-int lttng_ust_ctl_tracer_version(int sock, struct lttng_ust_abi_tracer_version *v);
-int lttng_ust_ctl_wait_quiescent(int sock);
-
-int lttng_ust_ctl_sock_flush_buffer(int sock, struct lttng_ust_abi_object_data *object);
-
-int lttng_ust_ctl_calibrate(int sock, struct lttng_ust_abi_calibrate *calibrate);
-
-/* Release object created by members of this API. */
-int lttng_ust_ctl_release_object(int sock, struct lttng_ust_abi_object_data *data);
-/* Release handle returned by create session. */
-int lttng_ust_ctl_release_handle(int sock, int handle);
-
-int lttng_ust_ctl_recv_channel_from_consumer(int sock,
-		struct lttng_ust_abi_object_data **channel_data);
-int lttng_ust_ctl_recv_stream_from_consumer(int sock,
-		struct lttng_ust_abi_object_data **stream_data);
-int lttng_ust_ctl_send_channel_to_ust(int sock, int session_handle,
-		struct lttng_ust_abi_object_data *channel_data);
-int lttng_ust_ctl_send_stream_to_ust(int sock,
-		struct lttng_ust_abi_object_data *channel_data,
-		struct lttng_ust_abi_object_data *stream_data);
-
-/*
- * lttng_ust_ctl_duplicate_ust_object_data allocated a new object in "dest" if
- * it succeeds (returns 0). It must be released using
- * lttng_ust_ctl_release_object() and then freed with free().
- */
-int lttng_ust_ctl_duplicate_ust_object_data(struct lttng_ust_abi_object_data **dest,
-		struct lttng_ust_abi_object_data *src);
-
-/*
- * API used by consumer.
- */
-
-struct lttng_ust_ctl_consumer_channel;
-struct lttng_ust_ctl_consumer_stream;
-struct lttng_ust_ctl_consumer_channel_attr;
-
-int lttng_ust_ctl_get_nr_stream_per_channel(void);
-
-struct lttng_ust_ctl_consumer_channel *
-	lttng_ust_ctl_create_channel(struct lttng_ust_ctl_consumer_channel_attr *attr,
-		const int *stream_fds, int nr_stream_fds);
-/*
- * Each stream created needs to be destroyed before calling
- * lttng_ust_ctl_destroy_channel().
- */
-void lttng_ust_ctl_destroy_channel(struct lttng_ust_ctl_consumer_channel *chan);
-
-int lttng_ust_ctl_send_channel_to_sessiond(int sock,
-		struct lttng_ust_ctl_consumer_channel *channel);
-int lttng_ust_ctl_channel_close_wait_fd(struct lttng_ust_ctl_consumer_channel *consumer_chan);
-int lttng_ust_ctl_channel_close_wakeup_fd(struct lttng_ust_ctl_consumer_channel *consumer_chan);
-int lttng_ust_ctl_channel_get_wait_fd(struct lttng_ust_ctl_consumer_channel *consumer_chan);
-int lttng_ust_ctl_channel_get_wakeup_fd(struct lttng_ust_ctl_consumer_channel *consumer_chan);
-
-int lttng_ust_ctl_write_metadata_to_channel(
-		struct lttng_ust_ctl_consumer_channel *channel,
-		const char *metadata_str,	/* NOT null-terminated */
-		size_t len);			/* metadata length */
-ssize_t lttng_ust_ctl_write_one_packet_to_channel(
-		struct lttng_ust_ctl_consumer_channel *channel,
-		const char *metadata_str,	/* NOT null-terminated */
-		size_t len);			/* metadata length */
-
-/*
- * Send a NULL stream to finish iteration over all streams of a given
- * channel.
- */
-int lttng_ust_ctl_send_stream_to_sessiond(int sock,
-		struct lttng_ust_ctl_consumer_stream *stream);
-int lttng_ust_ctl_stream_close_wait_fd(struct lttng_ust_ctl_consumer_stream *stream);
-int lttng_ust_ctl_stream_close_wakeup_fd(struct lttng_ust_ctl_consumer_stream *stream);
-int lttng_ust_ctl_stream_get_wait_fd(struct lttng_ust_ctl_consumer_stream *stream);
-int lttng_ust_ctl_stream_get_wakeup_fd(struct lttng_ust_ctl_consumer_stream *stream);
-
-/* Create/destroy stream buffers for read */
-struct lttng_ust_ctl_consumer_stream *
-	lttng_ust_ctl_create_stream(struct lttng_ust_ctl_consumer_channel *channel,
-			int cpu);
-void lttng_ust_ctl_destroy_stream(struct lttng_ust_ctl_consumer_stream *stream);
-
-/* For mmap mode, readable without "get" operation */
-int lttng_ust_ctl_get_mmap_len(struct lttng_ust_ctl_consumer_stream *stream,
-		unsigned long *len);
-int lttng_ust_ctl_get_max_subbuf_size(struct lttng_ust_ctl_consumer_stream *stream,
-		unsigned long *len);
-
-/*
- * For mmap mode, operate on the current packet (between get/put or
- * get_next/put_next).
- */
-void *lttng_ust_ctl_get_mmap_base(struct lttng_ust_ctl_consumer_stream *stream);
-int lttng_ust_ctl_get_mmap_read_offset(struct lttng_ust_ctl_consumer_stream *stream,
-		unsigned long *off);
-int lttng_ust_ctl_get_subbuf_size(struct lttng_ust_ctl_consumer_stream *stream,
-		unsigned long *len);
-int lttng_ust_ctl_get_padded_subbuf_size(struct lttng_ust_ctl_consumer_stream *stream,
-		unsigned long *len);
-int lttng_ust_ctl_get_next_subbuf(struct lttng_ust_ctl_consumer_stream *stream);
-int lttng_ust_ctl_put_next_subbuf(struct lttng_ust_ctl_consumer_stream *stream);
-
-/* snapshot */
-
-int lttng_ust_ctl_snapshot(struct lttng_ust_ctl_consumer_stream *stream);
-int lttng_ust_ctl_snapshot_sample_positions(struct lttng_ust_ctl_consumer_stream *stream);
-int lttng_ust_ctl_snapshot_get_consumed(struct lttng_ust_ctl_consumer_stream *stream,
-		unsigned long *pos);
-int lttng_ust_ctl_snapshot_get_produced(struct lttng_ust_ctl_consumer_stream *stream,
-		unsigned long *pos);
-int lttng_ust_ctl_get_subbuf(struct lttng_ust_ctl_consumer_stream *stream,
-		unsigned long *pos);
-int lttng_ust_ctl_put_subbuf(struct lttng_ust_ctl_consumer_stream *stream);
-
-void lttng_ust_ctl_flush_buffer(struct lttng_ust_ctl_consumer_stream *stream,
-		int producer_active);
-void lttng_ust_ctl_clear_buffer(struct lttng_ust_ctl_consumer_stream *stream);
-
-/* index */
-
-/*
- * Getters which need to be used on the current packet (between get/put
- * or get_next/put_next.
- */
-
-int lttng_ust_ctl_get_timestamp_begin(struct lttng_ust_ctl_consumer_stream *stream,
-		uint64_t *timestamp_begin);
-int lttng_ust_ctl_get_timestamp_end(struct lttng_ust_ctl_consumer_stream *stream,
-	uint64_t *timestamp_end);
-int lttng_ust_ctl_get_events_discarded(struct lttng_ust_ctl_consumer_stream *stream,
-	uint64_t *events_discarded);
-int lttng_ust_ctl_get_content_size(struct lttng_ust_ctl_consumer_stream *stream,
-	uint64_t *content_size);
-int lttng_ust_ctl_get_packet_size(struct lttng_ust_ctl_consumer_stream *stream,
-	uint64_t *packet_size);
-int lttng_ust_ctl_get_sequence_number(struct lttng_ust_ctl_consumer_stream *stream,
-		uint64_t *seq);
-
-/*
- * Getter returning state invariant for the stream, which can be used
- * without "get" operation.
- */
-
-int lttng_ust_ctl_get_stream_id(struct lttng_ust_ctl_consumer_stream *stream,
-		uint64_t *stream_id);
-int lttng_ust_ctl_get_instance_id(struct lttng_ust_ctl_consumer_stream *stream,
-		uint64_t *id);
-
-/*
- * Getter returning the current timestamp as perceived from the
- * tracer.
- */
-int lttng_ust_ctl_get_current_timestamp(struct lttng_ust_ctl_consumer_stream *stream,
-		uint64_t *ts);
-
-/* returns whether UST has perf counters support. */
-int lttng_ust_ctl_has_perf_counters(void);
-
-/* Regenerate the statedump. */
-int lttng_ust_ctl_regenerate_statedump(int sock, int handle);
-
-/* event registry management */
-
-enum lttng_ust_ctl_socket_type {
-	LTTNG_UST_CTL_SOCKET_CMD = 0,
-	LTTNG_UST_CTL_SOCKET_NOTIFY = 1,
-};
-
-enum lttng_ust_ctl_notify_cmd {
-	LTTNG_UST_CTL_NOTIFY_CMD_EVENT = 0,
-	LTTNG_UST_CTL_NOTIFY_CMD_CHANNEL = 1,
-	LTTNG_UST_CTL_NOTIFY_CMD_ENUM = 2,
-};
-
-enum lttng_ust_ctl_channel_header {
-	LTTNG_UST_CTL_CHANNEL_HEADER_UNKNOWN = 0,
-	LTTNG_UST_CTL_CHANNEL_HEADER_COMPACT = 1,
-	LTTNG_UST_CTL_CHANNEL_HEADER_LARGE = 2,
-};
-
-/* event type structures */
-
-enum lttng_ust_ctl_abstract_types {
-	lttng_ust_ctl_atype_integer,
-	lttng_ust_ctl_atype_enum,	/* legacy */
-	lttng_ust_ctl_atype_array,	/* legacy */
-	lttng_ust_ctl_atype_sequence,	/* legacy */
-	lttng_ust_ctl_atype_string,
-	lttng_ust_ctl_atype_float,
-	lttng_ust_ctl_atype_variant,	/* legacy */
-	lttng_ust_ctl_atype_struct,	/* legacy */
-	lttng_ust_ctl_atype_enum_nestable,
-	lttng_ust_ctl_atype_array_nestable,
-	lttng_ust_ctl_atype_sequence_nestable,
-	lttng_ust_ctl_atype_struct_nestable,
-	lttng_ust_ctl_atype_variant_nestable,
-	NR_LTTNG_UST_CTL_ABSTRACT_TYPES,
-};
-
-enum lttng_ust_ctl_string_encodings {
-	lttng_ust_ctl_encode_none = 0,
-	lttng_ust_ctl_encode_UTF8 = 1,
-	lttng_ust_ctl_encode_ASCII = 2,
-	NR_LTTNG_UST_CTL_STRING_ENCODINGS,
-};
-
-#define LTTNG_UST_CTL_UST_INTEGER_TYPE_PADDING	24
-struct lttng_ust_ctl_integer_type {
-	uint32_t size;		/* in bits */
-	uint32_t signedness;
-	uint32_t reverse_byte_order;
-	uint32_t base;		/* 2, 8, 10, 16, for pretty print */
-	int32_t encoding;	/* enum lttng_ust_ctl_string_encodings */
-	uint16_t alignment;	/* in bits */
-	char padding[LTTNG_UST_CTL_UST_INTEGER_TYPE_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_CTL_UST_FLOAT_TYPE_PADDING	24
-struct lttng_ust_ctl_float_type {
-	uint32_t exp_dig;		/* exponent digits, in bits */
-	uint32_t mant_dig;		/* mantissa digits, in bits */
-	uint32_t reverse_byte_order;
-	uint16_t alignment;	/* in bits */
-	char padding[LTTNG_UST_CTL_UST_FLOAT_TYPE_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_CTL_UST_ENUM_VALUE_PADDING	15
-struct lttng_ust_ctl_enum_value {
-	uint64_t value;
-	uint8_t signedness;
-	char padding[LTTNG_UST_CTL_UST_ENUM_VALUE_PADDING];
-} LTTNG_PACKED;
-
-enum lttng_ust_ctl_ust_enum_entry_options {
-	LTTNG_UST_CTL_UST_ENUM_ENTRY_OPTION_IS_AUTO = 1U << 0,
-};
-
-#define LTTNG_UST_CTL_UST_ENUM_ENTRY_PADDING	32
-struct lttng_ust_ctl_enum_entry {
-	struct lttng_ust_ctl_enum_value start, end; /* start and end are inclusive */
-	char string[LTTNG_UST_ABI_SYM_NAME_LEN];
-	union {
-		struct {
-			uint32_t options;
-		} LTTNG_PACKED extra;
-		char padding[LTTNG_UST_CTL_UST_ENUM_ENTRY_PADDING];
-	} u;
-} LTTNG_PACKED;
-
-/* legacy */
-#define LTTNG_UST_CTL_UST_BASIC_TYPE_PADDING	296
-union _lttng_ust_ctl_basic_type {
-	struct lttng_ust_ctl_integer_type integer;
-	struct {
-		char name[LTTNG_UST_ABI_SYM_NAME_LEN];
-		struct lttng_ust_ctl_integer_type container_type;
-		uint64_t id;	/* enum ID in sessiond. */
-	} enumeration;
-	struct {
-		int32_t encoding;	/* enum lttng_ust_ctl_string_encodings */
-	} string;
-	struct lttng_ust_ctl_float_type _float;
-	char padding[LTTNG_UST_CTL_UST_BASIC_TYPE_PADDING];
-} LTTNG_PACKED;
-
-/* legacy */
-struct lttng_ust_ctl_basic_type {
-	enum lttng_ust_ctl_abstract_types atype;
-	union {
-		union _lttng_ust_ctl_basic_type basic;
-	} u;
-} LTTNG_PACKED;
-
-/*
- * Padding is derived from largest member: u.legacy.sequence which
- * contains two basic types, each with LTTNG_UST_CTL_UST_BASIC_TYPE_PADDING.
- */
-#define LTTNG_UST_CTL_UST_TYPE_PADDING	(2 * LTTNG_UST_CTL_UST_BASIC_TYPE_PADDING)
-struct lttng_ust_ctl_type {
-	enum lttng_ust_ctl_abstract_types atype;
-	union {
-		struct lttng_ust_ctl_integer_type integer;
-		struct lttng_ust_ctl_float_type _float;
-		struct {
-			int32_t encoding;	/* enum lttng_ust_ctl_string_encodings */
-		} string;
-		struct {
-			char name[LTTNG_UST_ABI_SYM_NAME_LEN];
-			uint64_t id;	/* enum ID in sessiond. */
-			/* container_type follows after this struct lttng_ust_ctl_field. */
-		} enum_nestable;
-		struct {
-			uint32_t length;		/* num. elems. */
-			uint32_t alignment;
-			/* elem_type follows after this struct lttng_ust_ctl_field. */
-		} array_nestable;
-		struct {
-			char length_name[LTTNG_UST_ABI_SYM_NAME_LEN];
-			uint32_t alignment;		/* Alignment before elements. */
-			/* elem_type follows after the length_type. */
-		} sequence_nestable;
-		struct {
-			uint32_t nr_fields;
-			uint32_t alignment;
-			/* Followed by nr_fields struct lttng_ust_ctl_field. */
-		} struct_nestable;
-		struct {
-			uint32_t nr_choices;
-			char tag_name[LTTNG_UST_ABI_SYM_NAME_LEN];
-			uint32_t alignment;
-			/* Followed by nr_choices struct lttng_ust_ctl_field. */
-		} variant_nestable;
-
-		/* Legacy ABI */
-		union {
-			union _lttng_ust_ctl_basic_type basic;
-			struct {
-				struct lttng_ust_ctl_basic_type elem_type;
-				uint32_t length;		/* num. elems. */
-			} array;
-			struct {
-				struct lttng_ust_ctl_basic_type length_type;
-				struct lttng_ust_ctl_basic_type elem_type;
-			} sequence;
-			struct {
-				uint32_t nr_fields;
-				/* Followed by nr_fields struct lttng_ust_ctl_field. */
-			} _struct;
-			struct {
-				uint32_t nr_choices;
-				char tag_name[LTTNG_UST_ABI_SYM_NAME_LEN];
-				/* Followed by nr_choices struct lttng_ust_ctl_field. */
-			} variant;
-		} legacy;
-		char padding[LTTNG_UST_CTL_UST_TYPE_PADDING];
-	} u;
-} LTTNG_PACKED;
-
-#define LTTNG_UST_CTL_UST_FIELD_PADDING	28
-struct lttng_ust_ctl_field {
-	char name[LTTNG_UST_ABI_SYM_NAME_LEN];
-	struct lttng_ust_ctl_type type;
-	char padding[LTTNG_UST_CTL_UST_FIELD_PADDING];
-} LTTNG_PACKED;
-
-/*
- * Returns 0 on success, negative error value on error.
- * If an error other than -LTTNG_UST_ERR_UNSUP_MAJOR is returned,
- * the output fields are not populated.
- */
-int lttng_ust_ctl_recv_reg_msg(int sock,
-	enum lttng_ust_ctl_socket_type *type,
-	uint32_t *major,
-	uint32_t *minor,
-	uint32_t *pid,
-	uint32_t *ppid,
-	uint32_t *uid,
-	uint32_t *gid,
-	uint32_t *bits_per_long,
-	uint32_t *uint8_t_alignment,
-	uint32_t *uint16_t_alignment,
-	uint32_t *uint32_t_alignment,
-	uint32_t *uint64_t_alignment,
-	uint32_t *long_alignment,
-	int *byte_order,
-	char *name);	/* size LTTNG_UST_ABI_PROCNAME_LEN */
-
-/*
- * Returns 0 on success, negative UST or system error value on error.
- * Receive the notification command. The "notify_cmd" can then be used
- * by the caller to find out which lttng_ust_ctl_recv_* function should be
- * called to receive the notification, and which lttng_ust_ctl_reply_* is
- * appropriate.
- */
-int lttng_ust_ctl_recv_notify(int sock, enum lttng_ust_ctl_notify_cmd *notify_cmd);
-
-/*
- * Returns 0 on success, negative UST or system error value on error.
- */
-int lttng_ust_ctl_recv_register_event(int sock,
-	int *session_objd,		/* session descriptor (output) */
-	int *channel_objd,		/* channel descriptor (output) */
-	char *event_name,		/*
-					 * event name (output,
-					 * size LTTNG_UST_ABI_SYM_NAME_LEN)
-					 */
-	int *loglevel,
-	char **signature,		/*
-					 * event signature
-					 * (output, dynamically
-					 * allocated, must be free(3)'d
-					 * by the caller if function
-					 * returns success.)
-					 */
-	size_t *nr_fields,
-	struct lttng_ust_ctl_field **fields,
-	char **model_emf_uri);
-
-/*
- * Returns 0 on success, negative error value on error.
- */
-int lttng_ust_ctl_reply_register_event(int sock,
-	uint32_t id,			/* event id (input) */
-	int ret_code);			/* return code. 0 ok, negative error */
-
-/*
- * Returns 0 on success, negative UST or system error value on error.
- */
-int lttng_ust_ctl_recv_register_enum(int sock,
-	int *session_objd,
-	char *enum_name,
-	struct lttng_ust_ctl_enum_entry **entries,
-	size_t *nr_entries);
-
-/*
- * Returns 0 on success, negative error value on error.
- */
-int lttng_ust_ctl_reply_register_enum(int sock,
-	uint64_t id,			/* enum id (input) */
-	int ret_code);
-
-/*
- * Returns 0 on success, negative UST or system error value on error.
- */
-int lttng_ust_ctl_recv_register_channel(int sock,
-	int *session_objd,		/* session descriptor (output) */
-	int *channel_objd,		/* channel descriptor (output) */
-	size_t *nr_fields,		/* context fields */
-	struct lttng_ust_ctl_field **fields);
-
-/*
- * Returns 0 on success, negative error value on error.
- */
-int lttng_ust_ctl_reply_register_channel(int sock,
-	uint32_t chan_id,
-	enum lttng_ust_ctl_channel_header header_type,
-	int ret_code);			/* return code. 0 ok, negative error */
-
-/*
- * Counter API.
- */
-
-enum lttng_ust_ctl_counter_bitness {
-	LTTNG_UST_CTL_COUNTER_BITNESS_32 = 0,
-	LTTNG_UST_CTL_COUNTER_BITNESS_64 = 1,
-};
-
-enum lttng_ust_ctl_counter_arithmetic {
-	LTTNG_UST_CTL_COUNTER_ARITHMETIC_MODULAR	= 0,
-	LTTNG_UST_CTL_COUNTER_ARITHMETIC_SATURATION	= 1,
-};
-
-/* Used as alloc flags. */
-enum lttng_ust_ctl_counter_alloc {
-	LTTNG_UST_CTL_COUNTER_ALLOC_PER_CPU = (1 << 0),
-	LTTNG_UST_CTL_COUNTER_ALLOC_GLOBAL = (1 << 1),
-};
-
-struct lttng_ust_ctl_daemon_counter;
-
-int lttng_ust_ctl_get_nr_cpu_per_counter(void);
-
-struct lttng_ust_ctl_counter_dimension {
-	uint64_t size;
-	uint64_t underflow_index;
-	uint64_t overflow_index;
-	uint8_t has_underflow;
-	uint8_t has_overflow;
-};
-
-struct lttng_ust_ctl_daemon_counter *
-	lttng_ust_ctl_create_counter(size_t nr_dimensions,
-		const struct lttng_ust_ctl_counter_dimension *dimensions,
-		int64_t global_sum_step,
-		int global_counter_fd,
-		int nr_counter_cpu_fds,
-		const int *counter_cpu_fds,
-		enum lttng_ust_ctl_counter_bitness bitness,
-		enum lttng_ust_ctl_counter_arithmetic arithmetic,
-		uint32_t alloc_flags,
-		bool coalesce_hits);
-
-int lttng_ust_ctl_create_counter_data(struct lttng_ust_ctl_daemon_counter *counter,
-		struct lttng_ust_abi_object_data **counter_data);
-
-int lttng_ust_ctl_create_counter_global_data(struct lttng_ust_ctl_daemon_counter *counter,
-		struct lttng_ust_abi_object_data **counter_global_data);
-int lttng_ust_ctl_create_counter_cpu_data(struct lttng_ust_ctl_daemon_counter *counter, int cpu,
-		struct lttng_ust_abi_object_data **counter_cpu_data);
-
-/*
- * Each counter data and counter cpu data created need to be destroyed
- * before calling lttng_ust_ctl_destroy_counter().
- */
-void lttng_ust_ctl_destroy_counter(struct lttng_ust_ctl_daemon_counter *counter);
-
-int lttng_ust_ctl_send_counter_data_to_ust(int sock, int parent_handle,
-		struct lttng_ust_abi_object_data *counter_data);
-int lttng_ust_ctl_send_counter_global_data_to_ust(int sock,
-		struct lttng_ust_abi_object_data *counter_data,
-		struct lttng_ust_abi_object_data *counter_global_data);
-int lttng_ust_ctl_send_counter_cpu_data_to_ust(int sock,
-		struct lttng_ust_abi_object_data *counter_data,
-		struct lttng_ust_abi_object_data *counter_cpu_data);
-
-int lttng_ust_ctl_counter_read(struct lttng_ust_ctl_daemon_counter *counter,
-		const size_t *dimension_indexes,
-		int cpu, int64_t *value,
-		bool *overflow, bool *underflow);
-int lttng_ust_ctl_counter_aggregate(struct lttng_ust_ctl_daemon_counter *counter,
-		const size_t *dimension_indexes,
-		int64_t *value,
-		bool *overflow, bool *underflow);
-int lttng_ust_ctl_counter_clear(struct lttng_ust_ctl_daemon_counter *counter,
-		const size_t *dimension_indexes);
-
-#endif /* LTTNG_UST_CTL_INTERNAL_H */