X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=libcounter%2Fshm.h;h=b162e98f292f4eee98f3625b6451e145dca425fe;hb=25cff019d711338b8a7efe1cc54e4b1870157348;hp=2c6e0c7b15177d46685a87a5278323a97e69406b;hpb=ebabbf580131acd1fe246c4d31fc5c044d36a038;p=lttng-ust.git diff --git a/libcounter/shm.h b/libcounter/shm.h index 2c6e0c7b..b162e98f 100644 --- a/libcounter/shm.h +++ b/libcounter/shm.h @@ -1,32 +1,19 @@ -#ifndef _LIBCOUNTER_SHM_H -#define _LIBCOUNTER_SHM_H - /* - * libcounter/shm.h + * SPDX-License-Identifier: LGPL-2.1-only * * Copyright (C) 2011-2012 Mathieu Desnoyers - * - * 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; only - * 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 */ +#ifndef _LIBCOUNTER_SHM_H +#define _LIBCOUNTER_SHM_H + #include #include #include #include #include #include "shm_types.h" +#include "ust-helper.h" /* lttng_counter_handle_create - for UST. */ extern @@ -37,6 +24,7 @@ extern int lttng_counter_handle_add_cpu(struct lttng_counter_shm_handle *handle, int shm_fd, uint32_t cpu_nr, uint64_t memory_map_size); +LTTNG_HIDDEN unsigned int lttng_counter_handle_get_nr_cpus(struct lttng_counter_shm_handle *handle); /* @@ -85,17 +73,22 @@ void _lttng_counter_set_shmp(struct lttng_counter_shm_ref *ref, struct lttng_cou #define lttng_counter_set_shmp(ref, src) _lttng_counter_set_shmp(&(ref)._ref, src) +LTTNG_HIDDEN struct lttng_counter_shm_object_table *lttng_counter_shm_object_table_create(size_t max_nb_obj); +LTTNG_HIDDEN struct lttng_counter_shm_object *lttng_counter_shm_object_table_alloc(struct lttng_counter_shm_object_table *table, size_t memory_map_size, enum lttng_counter_shm_object_type type, const int cpu_fd, int cpu); +LTTNG_HIDDEN struct lttng_counter_shm_object *lttng_counter_shm_object_table_append_shm(struct lttng_counter_shm_object_table *table, int shm_fd, size_t memory_map_size); /* mem ownership is passed to lttng_counter_shm_object_table_append_mem(). */ +LTTNG_HIDDEN struct lttng_counter_shm_object *lttng_counter_shm_object_table_append_mem(struct lttng_counter_shm_object_table *table, void *mem, size_t memory_map_size); +LTTNG_HIDDEN void lttng_counter_shm_object_table_destroy(struct lttng_counter_shm_object_table *table, int consumer); /* @@ -105,7 +98,9 @@ void lttng_counter_shm_object_table_destroy(struct lttng_counter_shm_object_tabl * *NOT* multithread-safe (should be protected by mutex). * Returns a -1, -1 tuple on error. */ +LTTNG_HIDDEN struct lttng_counter_shm_ref lttng_counter_zalloc_shm(struct lttng_counter_shm_object *obj, size_t len); +LTTNG_HIDDEN void lttng_counter_align_shm(struct lttng_counter_shm_object *obj, size_t align); static inline