+++ /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_SESSION_H
-#define _LTT_SESSION_H
-
-#include <pthread.h>
-#include <urcu/list.h>
-
-#include "trace-kernel.h"
-#include "trace-ust.h"
-
-/*
- * Tracing session list
- *
- * Statically declared in session.c and can be accessed by using
- * session_get_list() function that returns the pointer to the list.
- */
-struct ltt_session_list {
- /*
- * This lock protects any read/write access to the list and count (which is
- * basically the list size). All public functions in session.c acquire this
- * lock and release it before returning. If none of those functions are
- * used, the lock MUST be acquired in order to iterate or/and do any
- * actions on that list.
- */
- pthread_mutex_t lock;
-
- /*
- * Number of element in the list. The session list lock MUST be acquired if
- * this counter is used when iterating over the session list.
- */
- unsigned int count;
-
- /* Linked list head */
- struct cds_list_head head;
-};
-
-/*
- * This data structure contains information needed to identify a tracing
- * session for both LTTng and UST.
- */
-struct ltt_session {
- char name[NAME_MAX];
- char path[PATH_MAX];
- struct ltt_kernel_session *kernel_session;
- struct ltt_ust_session *ust_session;
- /*
- * Protect any read/write on this session data structure. This lock must be
- * acquired *before* using any public functions declared below. Use
- * session_lock() and session_unlock() for that.
- */
- pthread_mutex_t lock;
- struct cds_list_head list;
- int enabled; /* enabled/started flag */
-};
-
-/* Prototypes */
-int session_create(char *name, char *path);
-int session_destroy(struct ltt_session *session);
-
-void session_lock(struct ltt_session *session);
-void session_lock_list(void);
-void session_unlock(struct ltt_session *session);
-void session_unlock_list(void);
-
-struct ltt_session *session_find_by_name(char *name);
-struct ltt_session_list *session_get_list(void);
-
-#endif /* _LTT_SESSION_H */