/*
- * ring_buffer_frontend.c
+ * SPDX-License-Identifier: LGPL-2.1-only
*
* Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * 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
- *
- *
* Ring buffer wait-free buffer synchronization. Producer-consumer and flight
* recorder (overwrite) modes. See thesis:
*
* - put_subbuf
*/
-#define _GNU_SOURCE
#define _LGPL_SOURCE
#include <sys/types.h>
#include <sys/mman.h>
lib_ring_buffer_setup_timer_thread();
+ memset(&sev, 0, sizeof(sev));
sev.sigev_notify = SIGEV_SIGNAL;
sev.sigev_signo = LTTNG_UST_RB_SIG_FLUSH;
sev.sigev_value.sival_ptr = chan;
/* Calculate the shm allocation layout */
shmsize = sizeof(struct channel);
- shmsize += offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_shmp));
+ shmsize += lttng_ust_offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_shmp));
shmsize += sizeof(struct lttng_ust_lib_ring_buffer_shmp) * nr_streams;
chansize = shmsize;
if (priv_data_align)
- shmsize += offset_align(shmsize, priv_data_align);
+ shmsize += lttng_ust_offset_align(shmsize, priv_data_align);
shmsize += priv_data_size;
/* Allocate normal memory for channel (not shared) */