Date: Sat, 22 Nov 2008 01:35:59 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r185160 - in user/kmacy/HEAD_fast_multi_xmit/sys: conf kern Message-ID: <200811220135.mAM1Zx2g002127@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kmacy Date: Sat Nov 22 01:35:59 2008 New Revision: 185160 URL: http://svn.freebsd.org/changeset/base/185160 Log: rename subr_bufr.c to subr_bufring.c Added: user/kmacy/HEAD_fast_multi_xmit/sys/kern/subr_bufring.c (props changed) - copied unchanged from r185147, user/kmacy/HEAD_fast_multi_xmit/sys/kern/subr_bufr.c Deleted: user/kmacy/HEAD_fast_multi_xmit/sys/kern/subr_bufr.c Modified: user/kmacy/HEAD_fast_multi_xmit/sys/conf/files Modified: user/kmacy/HEAD_fast_multi_xmit/sys/conf/files ============================================================================== --- user/kmacy/HEAD_fast_multi_xmit/sys/conf/files Sat Nov 22 00:24:23 2008 (r185159) +++ user/kmacy/HEAD_fast_multi_xmit/sys/conf/files Sat Nov 22 01:35:59 2008 (r185160) @@ -1805,7 +1805,7 @@ kern/subr_acl_posix1e.c standard kern/subr_autoconf.c standard kern/subr_blist.c standard kern/subr_bus.c standard -kern/subr_bufr.c standard +kern/subr_bufring.c standard kern/subr_clist.c standard kern/subr_clock.c standard kern/subr_devstat.c standard Copied: user/kmacy/HEAD_fast_multi_xmit/sys/kern/subr_bufring.c (from r185147, user/kmacy/HEAD_fast_multi_xmit/sys/kern/subr_bufr.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/kmacy/HEAD_fast_multi_xmit/sys/kern/subr_bufring.c Sat Nov 22 01:35:59 2008 (r185160, copy of r185147, user/kmacy/HEAD_fast_multi_xmit/sys/kern/subr_bufr.c) @@ -0,0 +1,68 @@ +/************************************************************************** + * + * Copyright (c) 2007,2008 Kip Macy kmacy@freebsd.org + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. The name of Kip Macy nor the names of other + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * + ***************************************************************************/ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/ktr.h> +#include <sys/buf_ring.h> + + +struct buf_ring * +buf_ring_alloc(int count, struct malloc_type *type, int flags, struct mtx *lock) +{ + struct buf_ring *br; + + KASSERT(powerof2(count), ("buf ring must be size power of 2")); + + br = malloc(sizeof(struct buf_ring) + count*sizeof(caddr_t), + type, flags|M_ZERO); + if (br == NULL) + return (NULL); +#ifdef DEBUG_BUFRING + br->br_lock = lock; +#endif + br->br_prod_size = br->br_cons_size = count; + br->br_prod_mask = br->br_cons_mask = count-1; + br->br_prod_head = br->br_cons_head = 0; + br->br_prod_tail = br->br_cons_tail = 0; + + return (br); +} + +void +buf_ring_free(struct buf_ring *br, struct malloc_type *type) +{ + free(br, type); +}
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200811220135.mAM1Zx2g002127>