projects / lttng-ust.git / blame
| Commit | Line | Data |
|---|---|---|
| 7dd08bec MD |
1 | #ifndef _LTTNG_TRACER_CORE_H |
| 2 | #define _LTTNG_TRACER_CORE_H | |
| 4fbf9cd1 MD |
3 | |
| 4 | /* | |
| 5 | * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 6 | * | |
| 7 | * This contains the core definitions for the Linux Trace Toolkit. | |
| 8 | * | |
| 9 | * This library is free software; you can redistribute it and/or | |
| 10 | * modify it under the terms of the GNU Lesser General Public | |
| 11 | * License as published by the Free Software Foundation; version 2.1 of | |
| 12 | * the License. | |
| 13 | * | |
| 14 | * This library is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 | * Lesser General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU Lesser General Public | |
| 20 | * License along with this library; if not, write to the Free Software | |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 22 | */ | |
| 23 | ||
| b728d87e MD |
24 | #include <stdint.h> |
| 25 | #include <stddef.h> | |
| 26 | #include <urcu/arch.h> | |
| 4fbf9cd1 | 27 | #include <urcu/list.h> |
| 44c72f10 MD |
28 | #include <lttng/ust-tracer.h> |
| 29 | #include <lttng/bug.h> | |
| 4318ae1b | 30 | #include <lttng/ringbuffer-config.h> |
| 44c72f10 | 31 | #include <usterr-signal-safe.h> |
| 4fbf9cd1 | 32 | |
| 735bef47 MJ |
33 | /* |
| 34 | * The longuest possible namespace proc path is with the cgroup ns | |
| 35 | * and the maximum theoretical linux pid of 536870912 : | |
| 36 | * | |
| 37 | * /proc/self/task/536870912/ns/cgroup | |
| 38 | */ | |
| 39 | #define LTTNG_PROC_NS_PATH_MAX 40 | |
| 40 | ||
| 7dd08bec MD |
41 | struct lttng_session; |
| 42 | struct lttng_channel; | |
| 43 | struct lttng_event; | |
| ce7352a2 MD |
44 | struct lttng_ctx_field; |
| 45 | struct lttng_ust_lib_ring_buffer_ctx; | |
| 46 | struct lttng_ctx_value; | |
| 4fbf9cd1 | 47 | |
| 3327ac33 MD |
48 | int ust_lock(void) __attribute__ ((warn_unused_result)); |
| 49 | void ust_lock_nocheck(void); | |
| 17dfb34b | 50 | void ust_unlock(void); |
| 8165c8da | 51 | |
| eddd8d5d | 52 | void lttng_fixup_event_tls(void); |
| 4158a15a | 53 | void lttng_fixup_vtid_tls(void); |
| 009745db | 54 | void lttng_fixup_procname_tls(void); |
| 735bef47 MJ |
55 | void lttng_fixup_cgroup_ns_tls(void); |
| 56 | void lttng_fixup_ipc_ns_tls(void); | |
| 57 | void lttng_fixup_net_ns_tls(void); | |
| 58 | void lttng_fixup_uts_ns_tls(void); | |
| eddd8d5d | 59 | |
| 74d81a6c MD |
60 | const char *lttng_ust_obj_get_name(int id); |
| 61 | ||
| 32ce8569 MD |
62 | int lttng_get_notify_socket(void *owner); |
| 63 | ||
| 246be17e | 64 | void lttng_ust_sockinfo_session_enabled(void *owner); |
| 95c25348 | 65 | |
| 79f3848b MD |
66 | void lttng_ust_malloc_wrapper_init(void); |
| 67 | ||
| 405be658 MD |
68 | ssize_t lttng_ust_read(int fd, void *buf, size_t len); |
| 69 | ||
| ce7352a2 MD |
70 | size_t lttng_ust_dummy_get_size(struct lttng_ctx_field *field, size_t offset); |
| 71 | void lttng_ust_dummy_record(struct lttng_ctx_field *field, | |
| 72 | struct lttng_ust_lib_ring_buffer_ctx *ctx, | |
| 73 | struct lttng_channel *chan); | |
| 74 | void lttng_ust_dummy_get_value(struct lttng_ctx_field *field, | |
| 75 | struct lttng_ctx_value *value); | |
| 76 | int lttng_context_is_app(const char *name); | |
| c362addf | 77 | void lttng_ust_fixup_tls(void); |
| ce7352a2 | 78 | |
| 20142124 MD |
79 | #ifdef LTTNG_UST_HAVE_PERF_EVENT |
| 80 | void lttng_ust_fixup_perf_counter_tls(void); | |
| 81 | void lttng_perf_lock(void); | |
| 82 | void lttng_perf_unlock(void); | |
| 83 | #else /* #ifdef LTTNG_UST_HAVE_PERF_EVENT */ | |
| 84 | static inline | |
| 85 | void lttng_ust_fixup_perf_counter_tls(void) | |
| 86 | { | |
| 87 | } | |
| 88 | static inline | |
| 89 | void lttng_perf_lock(void) | |
| 90 | { | |
| 91 | } | |
| 92 | static inline | |
| 93 | void lttng_perf_unlock(void) | |
| 94 | { | |
| 95 | } | |
| 96 | #endif /* #else #ifdef LTTNG_UST_HAVE_PERF_EVENT */ | |
| 97 | ||
| 7dd08bec | 98 | #endif /* _LTTNG_TRACER_CORE_H */ |