Update licensing: lgplv2.1 for libs, gplv2 for programs

[ltt-control.git] / liblttctl / lttctl.h

/*
 * lttctl.h
 *
 * Linux Trace Toolkit Control Library Header File
 *
 * Controls the ltt-control kernel module through debugfs.
 *
 * Copyright (c) 2005-2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef _LTTCTL_H
#define _LTTCTL_H

int lttctl_init(void);
int lttctl_destroy(void);
int lttctl_setup_trace(const char *name);
int lttctl_destroy_trace(const char *name);
int lttctl_alloc_trace(const char *name);
int lttctl_start(const char *name);
int lttctl_pause(const char *name);
int lttctl_set_trans(const char *name, const char *trans);
int lttctl_set_channel_enable(const char *name, const char *channel,
		int enable);
int lttctl_set_channel_overwrite(const char *name, const char *channel,
		int overwrite);
int lttctl_set_channel_subbuf_num(const char *name, const char *channel,
		unsigned subbuf_num);
int lttctl_set_channel_subbuf_size(const char *name, const char *channel,
		unsigned subbuf_size);
int lttctl_set_channel_switch_timer(const char *name, const char *channel,
		unsigned switch_timer);

/* Helper functions */
int getdebugfsmntdir(char *mntdir);

#endif /*_LTTCTL_H */