X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Ffrontend.h;h=cf75dfe825e6a5fe7cc06772a408501169c4d049;hb=b63af41cb645dcf8513e997714e47fafcb4492b4;hp=01af77a281b046a9dfc8d3de2d0eb69daa98c15e;hpb=254ec7bc4c72da11a4e3f2c90904b111a06a2c55;p=lttng-modules.git diff --git a/lib/ringbuffer/frontend.h b/lib/ringbuffer/frontend.h index 01af77a2..cf75dfe8 100644 --- a/lib/ringbuffer/frontend.h +++ b/lib/ringbuffer/frontend.h @@ -1,19 +1,31 @@ -#ifndef _LINUX_RING_BUFFER_FRONTEND_H -#define _LINUX_RING_BUFFER_FRONTEND_H +#ifndef _LIB_RING_BUFFER_FRONTEND_H +#define _LIB_RING_BUFFER_FRONTEND_H /* - * linux/ringbuffer/frontend.h - * - * (C) Copyright 2005-2010 - Mathieu Desnoyers + * lib/ringbuffer/frontend.h * * Ring Buffer Library Synchronization Header (API). * + * Copyright (C) 2005-2012 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 + * * Author: * Mathieu Desnoyers * * See ring_buffer_frontend.c for more information on wait-free algorithms. - * - * Dual LGPL v2.1/GPL v2 license. */ #include @@ -101,6 +113,9 @@ extern int lib_ring_buffer_get_subbuf(struct lib_ring_buffer *buf, unsigned long consumed); extern void lib_ring_buffer_put_subbuf(struct lib_ring_buffer *buf); +void lib_ring_buffer_set_quiescent_channel(struct channel *chan); +void lib_ring_buffer_clear_quiescent_channel(struct channel *chan); + /* * lib_ring_buffer_get_next_subbuf/lib_ring_buffer_put_next_subbuf are helpers * to read sub-buffers sequentially. @@ -225,4 +240,4 @@ unsigned long lib_ring_buffer_get_records_read( return v_read(config, &buf->backend.records_read); } -#endif /* _LINUX_RING_BUFFER_FRONTEND_H */ +#endif /* _LIB_RING_BUFFER_FRONTEND_H */