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Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
/*
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* Copyright (c) 2004-2016 Maxim Sobolev <sobomax@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <err.h>
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#include <inttypes.h>
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#include <md5.h>
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#include <pthread.h>
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#include <stdlib.h>
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#include <strings.h>
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#if defined(MKUZ_DEBUG)
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# include <stdio.h>
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#endif
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#include "mkuz_conveyor.h"
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#include "mkuz_cfg.h"
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#include "mkuzip.h"
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#include "mkuz_blk.h"
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#include "mkuz_format.h"
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#include "mkuz_fqueue.h"
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#include "mkuz_blk_chain.h"
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static void compute_digest(struct mkuz_blk *);
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struct cw_args {
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struct mkuz_conveyor *cvp;
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struct mkuz_cfg *cfp;
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};
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static void *
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cworker(void *p)
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{
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struct cw_args *cwp;
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struct mkuz_cfg *cfp;
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struct mkuz_blk *oblk, *iblk;
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struct mkuz_conveyor *cvp;
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void *c_ctx;
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cwp = (struct cw_args *)p;
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cfp = cwp->cfp;
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cvp = cwp->cvp;
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free(cwp);
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c_ctx = cfp->handler->f_init(&cfp->comp_level);
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for (;;) {
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iblk = mkuz_fqueue_deq(cvp->wrk_queue);
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if (iblk == MKUZ_BLK_EOF) {
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/* Let other threads to see the EOF block */
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mkuz_fqueue_enq(cvp->wrk_queue, iblk);
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break;
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}
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if (cfp->no_zcomp == 0 &&
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mkuz_memvcmp(iblk->data, '\0', iblk->info.len) != 0) {
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/* All zeroes block */
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oblk = mkuz_blk_ctor(0);
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} else {
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oblk = mkuz_blk_ctor(cfp->cbound_blksz);
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cfp->handler->f_compress(c_ctx, iblk, oblk);
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if (cfp->en_dedup != 0) {
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compute_digest(oblk);
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}
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}
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oblk->info.blkno = iblk->info.blkno;
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mkuz_fqueue_enq(cvp->results, oblk);
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free(iblk);
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}
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return (NULL);
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}
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static void
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compute_digest(struct mkuz_blk *bp)
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{
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MD5_CTX mcontext;
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MD5Init(&mcontext);
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MD5Update(&mcontext, bp->data, bp->info.len);
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MD5Final(bp->info.digest, &mcontext);
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}
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struct mkuz_conveyor *
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mkuz_conveyor_ctor(struct mkuz_cfg *cfp)
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{
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struct mkuz_conveyor *cp;
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struct cw_args *cwp;
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int i, r;
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cp = mkuz_safe_zmalloc(sizeof(struct mkuz_conveyor) +
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(sizeof(pthread_t) * cfp->nworkers));
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cp->wrk_queue = mkuz_fqueue_ctor(1);
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cp->results = mkuz_fqueue_ctor(1);
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for (i = 0; i < cfp->nworkers; i++) {
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cwp = mkuz_safe_zmalloc(sizeof(struct cw_args));
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cwp->cfp = cfp;
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cwp->cvp = cp;
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r = pthread_create(&cp->wthreads[i], NULL, cworker, (void *)cwp);
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if (r != 0) {
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errx(1, "mkuz_conveyor_ctor: pthread_create() failed");
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/* Not reached */
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}
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}
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return (cp);
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}
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