projects / lttng-ust.git / blame
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| 4ab44fbe MD |
1 | #ifndef _LTTNG_TRACEPOINT_INTERNAL_H |
| 2 | #define _LTTNG_TRACEPOINT_INTERNAL_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Copyright (c) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 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; | |
| 10 | * version 2.1 of the License. | |
| 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 | #include <urcu/list.h> | |
| 23 | #include <lttng/tracepoint-types.h> | |
| 24 | ||
| 25 | struct tracepoint_lib { | |
| 26 | struct cds_list_head list; | |
| 27 | struct tracepoint tracepoints_start; | |
| 28 | int tracepoints_count; | |
| 29 | }; | |
| 30 | ||
| 31 | struct tracepoint_iter { | |
| 32 | struct tracepoint_lib *lib; | |
| 33 | struct tracepoint * const *tracepoint; | |
| 34 | ||
| 35 | extern int tracepoint_probe_register_noupdate(const char *name, void *callback, void *priv); | |
| 36 | extern int tracepoint_probe_unregister_noupdate(const char *name, void *callback, void *priv); | |
| 37 | extern int tracepoint_probe_update_all(void); | |
| 38 | ||
| 39 | extern void tracepoint_iter_start(struct tracepoint_iter *iter); | |
| 40 | extern void tracepoint_iter_next(struct tracepoint_iter *iter); | |
| 41 | extern void tracepoint_iter_stop(struct tracepoint_iter *iter); | |
| 42 | extern void tracepoint_iter_reset(struct tracepoint_iter *iter); | |
| 43 | extern int tracepoint_get_iter_range(struct tracepoint * const **tracepoint, | |
| 44 | struct tracepoint * const *begin, struct tracepoint * const *end); | |
| 45 | ||
| 46 | /* | |
| 47 | * call after disconnection of last probe implemented within a | |
| 48 | * shared object before unmapping the library that contains the probe. | |
| 49 | */ | |
| 50 | static inline void tracepoint_synchronize_unregister(void) | |
| 51 | { | |
| 52 | synchronize_rcu(); | |
| 53 | } | |
| 54 | ||
| 55 | extern void init_tracepoint(void); | |
| 56 | extern void exit_tracepoint(void); | |
| 57 | ||
| 58 | #endif /* _LTTNG_TRACEPOINT_INTERNAL_H */ |