[ust.git] / include / ust / probe.h

#ifndef _UST_PROBE_H
#define _UST_PROBE_H

/*
 * Copyright (C) 2009 Pierre-Marc Fournier
 *
 * 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
 *
 */

/* Maximum number of callbacks per marker */
#define LTT_NR_CALLBACKS        10

struct ltt_serialize_closure;
struct ust_buffer;

typedef size_t (*ltt_serialize_cb)(struct ust_buffer *buf, size_t buf_offset,
                        struct ltt_serialize_closure *closure,
                        void *serialize_private,
			unsigned int stack_pos_ctx,
			int *largest_align,
                        const char *fmt, va_list *args);

struct ltt_available_probe {
        const char *name;               /* probe name */
        const char *format;
        marker_probe_func *probe_func;
        ltt_serialize_cb callbacks[LTT_NR_CALLBACKS];
        struct list_head node;          /* registered probes list */
};

extern int ltt_probe_register(struct ltt_available_probe *pdata); 
extern int ltt_probe_unregister(struct ltt_available_probe *pdata); 
extern int ltt_marker_connect(const char *channel, const char *mname, 
                const char *pname); 
extern int ltt_marker_disconnect(const char *channel, const char *mname, 
                const char *pname);

#endif /* _UST_PROBE_H */
Commit	Line	Data
	1	#ifndef _UST_PROBE_H
	2	#define _UST_PROBE_H
	3
	4	/*
	5	* Copyright (C) 2009 Pierre-Marc Fournier
	6	*
	7	* This library is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU Lesser General Public
	9	* License as published by the Free Software Foundation; either
	10	* version 2.1 of the License, or (at your option) any later version.
	11	*
	12	* This library is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* Lesser General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public
	18	* License along with this library; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	20	*
	21	*/
	22
	23	/* Maximum number of callbacks per marker */
	24	#define LTT_NR_CALLBACKS 10
	25
	26	struct ltt_serialize_closure;
	27	struct ust_buffer;
	28
	29	typedef size_t (ltt_serialize_cb)(struct ust_buffer buf, size_t buf_offset,
	30	struct ltt_serialize_closure *closure,
	31	void *serialize_private,
	32	unsigned int stack_pos_ctx,
	33	int *largest_align,
	34	const char fmt, va_list args);
	35
	36	struct ltt_available_probe {
	37	const char name; / probe name */
	38	const char *format;
	39	marker_probe_func *probe_func;
	40	ltt_serialize_cb callbacks[LTT_NR_CALLBACKS];
	41	struct list_head node; /* registered probes list */
	42	};
	43
	44	extern int ltt_probe_register(struct ltt_available_probe *pdata);
	45	extern int ltt_probe_unregister(struct ltt_available_probe *pdata);
	46	extern int ltt_marker_connect(const char channel, const char mname,
	47	const char *pname);
	48	extern int ltt_marker_disconnect(const char channel, const char mname,
	49	const char *pname);
	50
	51	#endif /* _UST_PROBE_H */