X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-tracer-core.h;h=325fb5f9f74d9cb817410d08ce84a01ad6739f91;hb=daacdbfc04fe07ecff0a0d1878b4f48d38912c78;hp=f2e95674b2373b2dd8ed7bb194c64e9ad37c57f8;hpb=74d81a6cca2cd4a7718bba9368f382f9f2fbba84;p=lttng-ust.git diff --git a/liblttng-ust/lttng-tracer-core.h b/liblttng-ust/lttng-tracer-core.h index f2e95674..325fb5f9 100644 --- a/liblttng-ust/lttng-tracer-core.h +++ b/liblttng-ust/lttng-tracer-core.h @@ -1,27 +1,14 @@ -#ifndef _LTTNG_TRACER_CORE_H -#define _LTTNG_TRACER_CORE_H - /* + * SPDX-License-Identifier: LGPL-2.1-only + * * Copyright (C) 2005-2011 Mathieu Desnoyers * * This contains the core definitions for the Linux Trace Toolkit. - * - * 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; version 2.1 of - * the License. - * - * 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 */ -#include +#ifndef _LTTNG_TRACER_CORE_H +#define _LTTNG_TRACER_CORE_H + #include #include #include @@ -30,17 +17,123 @@ #include #include +/* + * The longuest possible namespace proc path is with the cgroup ns + * and the maximum theoretical linux pid of 536870912 : + * + * /proc/self/task/536870912/ns/cgroup + */ +#define LTTNG_PROC_NS_PATH_MAX 40 + struct lttng_session; struct lttng_channel; struct lttng_event; +struct lttng_ust_ctx_field; +struct lttng_ust_lib_ring_buffer_ctx; +struct lttng_ust_ctx_value; +struct lttng_ust_event_notifier; + +__attribute__((visibility("hidden"))) +int ust_lock(void) __attribute__ ((warn_unused_result)); -void ust_lock(void); +__attribute__((visibility("hidden"))) +void ust_lock_nocheck(void); + +__attribute__((visibility("hidden"))) void ust_unlock(void); +__attribute__((visibility("hidden"))) +void lttng_ust_fixup_tls(void); + +__attribute__((visibility("hidden"))) void lttng_fixup_event_tls(void); + +__attribute__((visibility("hidden"))) void lttng_fixup_vtid_tls(void); + +__attribute__((visibility("hidden"))) void lttng_fixup_procname_tls(void); +__attribute__((visibility("hidden"))) +void lttng_fixup_cgroup_ns_tls(void); + +__attribute__((visibility("hidden"))) +void lttng_fixup_ipc_ns_tls(void); + +__attribute__((visibility("hidden"))) +void lttng_fixup_net_ns_tls(void); + +__attribute__((visibility("hidden"))) +void lttng_fixup_time_ns_tls(void); + +__attribute__((visibility("hidden"))) +void lttng_fixup_uts_ns_tls(void); + +__attribute__((visibility("hidden"))) +void lttng_ust_fixup_fd_tracker_tls(void); + +__attribute__((visibility("hidden"))) const char *lttng_ust_obj_get_name(int id); +__attribute__((visibility("hidden"))) +int lttng_get_notify_socket(void *owner); + +__attribute__((visibility("hidden"))) +char* lttng_ust_sockinfo_get_procname(void *owner); + +__attribute__((visibility("hidden"))) +void lttng_ust_sockinfo_session_enabled(void *owner); + +__attribute__((visibility("hidden"))) +ssize_t lttng_ust_read(int fd, void *buf, size_t len); + +__attribute__((visibility("hidden"))) +size_t lttng_ust_dummy_get_size(struct lttng_ust_ctx_field *field, size_t offset); + +__attribute__((visibility("hidden"))) +void lttng_ust_dummy_record(struct lttng_ust_ctx_field *field, + struct lttng_ust_lib_ring_buffer_ctx *ctx, + struct lttng_channel *chan); +__attribute__((visibility("hidden"))) +void lttng_ust_dummy_get_value(struct lttng_ust_ctx_field *field, + struct lttng_ust_ctx_value *value); + +__attribute__((visibility("hidden"))) +void lttng_event_notifier_notification_send( + struct lttng_ust_event_notifier *event_notifier, + const char *stack_data); + +__attribute__((visibility("hidden"))) +struct lttng_counter_transport *lttng_counter_transport_find(const char *name); + +__attribute__((visibility("hidden"))) +void lttng_counter_transport_register(struct lttng_counter_transport *transport); + +__attribute__((visibility("hidden"))) +void lttng_counter_transport_unregister(struct lttng_counter_transport *transport); + +#ifdef HAVE_PERF_EVENT +__attribute__((visibility("hidden"))) +void lttng_ust_fixup_perf_counter_tls(void); + +__attribute__((visibility("hidden"))) +void lttng_perf_lock(void); + +__attribute__((visibility("hidden"))) +void lttng_perf_unlock(void); +#else /* #ifdef HAVE_PERF_EVENT */ +static inline +void lttng_ust_fixup_perf_counter_tls(void) +{ +} +static inline +void lttng_perf_lock(void) +{ +} +static inline +void lttng_perf_unlock(void) +{ +} +#endif /* #else #ifdef HAVE_PERF_EVENT */ + #endif /* _LTTNG_TRACER_CORE_H */