X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=libringbuffer%2Fbackend_internal.h;h=050c98ac530dfc34f267ff9f23cb9bf8db84bbfd;hb=refs%2Fheads%2Fstable-2.2;hp=c9ed81be0e5b5c559ba8de23846a6052ecc8ddea;hpb=c993aa602df5d770ea1da811c4f7f643dde1ed34;p=lttng-ust.git diff --git a/libringbuffer/backend_internal.h b/libringbuffer/backend_internal.h index c9ed81be..050c98ac 100644 --- a/libringbuffer/backend_internal.h +++ b/libringbuffer/backend_internal.h @@ -1,14 +1,26 @@ -#ifndef _LINUX_RING_BUFFER_BACKEND_INTERNAL_H -#define _LINUX_RING_BUFFER_BACKEND_INTERNAL_H +#ifndef _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H +#define _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H /* - * linux/ringbuffer/backend_internal.h - * - * Copyright (C) 2008-2010 - Mathieu Desnoyers + * libringbuffer/backend_internal.h * * Ring buffer backend (internal helpers). * - * Dual LGPL v2.1/GPL v2 license. + * 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 */ #include @@ -475,20 +487,4 @@ static inline int get_count_order(unsigned int count) return order; } -static inline -unsigned int hweight32(unsigned int value) -{ - unsigned int r; - - r = value; - r = r - ((r >> 1) & 0x55555555); - r = (r & 0x33333333) + ((r >> 2) & 0x33333333); - r += r >> 4; - r &= 0x0F0F0F0F; - r += r >> 8; - r += r >> 16; - r &= 0x000000FF; - return r; -} - -#endif /* _LINUX_RING_BUFFER_BACKEND_INTERNAL_H */ +#endif /* _LTTNG_RING_BUFFER_BACKEND_INTERNAL_H */