X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libringbuffer%2Fshm.h;h=e4a466e5a2f0853c12644885f1b20f39c380eb7e;hb=c0c0989ab70574e09b2f7e8b48c2da6af664a849;hp=a1ddc4cdf2b06dc27f1d1bb55ecea7af339b89ad;hpb=c33ceb0250b3a51f7f53993e51e2032ddbe88fe2;p=lttng-ust.git diff --git a/libringbuffer/shm.h b/libringbuffer/shm.h index a1ddc4cd..e4a466e5 100644 --- a/libringbuffer/shm.h +++ b/libringbuffer/shm.h @@ -1,27 +1,15 @@ -#ifndef _LIBRINGBUFFER_SHM_H -#define _LIBRINGBUFFER_SHM_H - /* - * libringbuffer/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 _LIBRINGBUFFER_SHM_H +#define _LIBRINGBUFFER_SHM_H + +#include #include +#include #include #include #include "shm_types.h" @@ -29,7 +17,7 @@ /* channel_handle_create - for UST. */ extern struct lttng_ust_shm_handle *channel_handle_create(void *data, - uint64_t memory_map_size); + uint64_t memory_map_size, int wakeup_fd); /* channel_handle_add_stream - for UST. */ extern int channel_handle_add_stream(struct lttng_ust_shm_handle *handle, @@ -88,14 +76,16 @@ void _set_shmp(struct shm_ref *ref, struct shm_ref src) struct shm_object_table *shm_object_table_create(size_t max_nb_obj); struct shm_object *shm_object_table_alloc(struct shm_object_table *table, size_t memory_map_size, - enum shm_object_type type); + enum shm_object_type type, + const int stream_fd, + int cpu); struct shm_object *shm_object_table_append_shm(struct shm_object_table *table, int shm_fd, int wakeup_fd, uint32_t stream_nr, size_t memory_map_size); /* mem ownership is passed to shm_object_table_append_mem(). */ struct shm_object *shm_object_table_append_mem(struct shm_object_table *table, - void *mem, size_t memory_map_size); -void shm_object_table_destroy(struct shm_object_table *table); + void *mem, size_t memory_map_size, int wakeup_fd); +void shm_object_table_destroy(struct shm_object_table *table, int consumer); /* * zalloc_shm - allocate memory within a shm object.