+++ /dev/null
-/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef _LTT_TRACE_KERNEL_H
-#define _LTT_TRACE_KERNEL_H
-
-#include <limits.h>
-#include <urcu/list.h>
-
-#include <lttng/lttng.h>
-#include <lttng-kernel.h>
-
-/* Kernel event list */
-struct ltt_kernel_event_list {
- struct cds_list_head head;
-};
-
-/* Channel stream list */
-struct ltt_kernel_stream_list {
- struct cds_list_head head;
-};
-
-/* Channel list */
-struct ltt_kernel_channel_list {
- struct cds_list_head head;
-};
-
-/* Kernel event */
-struct ltt_kernel_event {
- int fd;
- int enabled;
- /*
- * TODO: need internal representation to support more than a
- * single context.
- */
- struct lttng_kernel_context *ctx;
- struct lttng_kernel_event *event;
- struct cds_list_head list;
-};
-
-/* Kernel channel */
-struct ltt_kernel_channel {
- int fd;
- int enabled;
- char *pathname;
- unsigned int stream_count;
- unsigned int event_count;
- /*
- * TODO: need internal representation to support more than a
- * single context.
- */
- struct lttng_kernel_context *ctx;
- struct lttng_channel *channel;
- struct ltt_kernel_event_list events_list;
- struct ltt_kernel_stream_list stream_list;
- struct cds_list_head list;
-};
-
-/* Metadata */
-struct ltt_kernel_metadata {
- int fd;
- char *pathname;
- struct lttng_channel *conf;
-};
-
-/* Channel stream */
-struct ltt_kernel_stream {
- int fd;
- char *pathname;
- int state;
- struct cds_list_head list;
-};
-
-/* Kernel session */
-struct ltt_kernel_session {
- int fd;
- int metadata_stream_fd;
- int consumer_fds_sent;
- int consumer_fd;
- unsigned int channel_count;
- unsigned int stream_count_global;
- char *trace_path;
- struct ltt_kernel_metadata *metadata;
- struct ltt_kernel_channel_list channel_list;
- /* UID/GID of the user owning the session */
- uid_t uid;
- gid_t gid;
-};
-
-/*
- * Lookup functions. NULL is returned if not found.
- */
-struct ltt_kernel_event *trace_kernel_get_event_by_name(
- char *name, struct ltt_kernel_channel *channel);
-struct ltt_kernel_channel *trace_kernel_get_channel_by_name(
- char *name, struct ltt_kernel_session *session);
-
-/*
- * Create functions malloc() the data structure.
- */
-struct ltt_kernel_session *trace_kernel_create_session(char *path);
-struct ltt_kernel_channel *trace_kernel_create_channel(struct lttng_channel *chan, char *path);
-struct ltt_kernel_event *trace_kernel_create_event(struct lttng_event *ev);
-struct ltt_kernel_metadata *trace_kernel_create_metadata(char *path);
-struct ltt_kernel_stream *trace_kernel_create_stream(void);
-
-/*
- * Destroy functions free() the data structure and remove from linked list if
- * it's applies.
- */
-void trace_kernel_destroy_session(struct ltt_kernel_session *session);
-void trace_kernel_destroy_metadata(struct ltt_kernel_metadata *metadata);
-void trace_kernel_destroy_channel(struct ltt_kernel_channel *channel);
-void trace_kernel_destroy_event(struct ltt_kernel_event *event);
-void trace_kernel_destroy_stream(struct ltt_kernel_stream *stream);
-
-#endif /* _LTT_TRACE_KERNEL_H */