38defdf7aa
Apply debian patch 02-encryption Apply debian patch 03-dvdrom Apply a modified version of patch 05-help-dialog Apply debian patch 08-fix-gnu-make-detection Apply debian patch 10-use-non-size-specific-icon-and-add-keywords-to-desktop-file Apply debian patch 12-fix-spelling-of-up-to Apply debian patch 13-fix-missing-language-field-in-po-files Apply a modified version of debian patch 14-make-builds-reproducible Apply debian patch 17-fix-all-but-deprecated-api-warnings Apply a modified version of debian patch 18-update-copyright-in-about-dialog Apply debian patch 19-show-text-files-with-abs-path Apply debian patch 22-fix-hurd-i386-ftbfs Apply debian patch 23-add-bdrom-support Apply debian patch 25-fix-man-pages Apply debian patch 27-allow-opening-in-browser-again Apply debian patch 28-pdftex-reproducibility Apply debian patch 29-fix-more-typos Apply debian patch 30-hurd-kfreebsd-ftbfs Apply debian patch 31-improve-hurd-and-kfreebsd-support Apply debian patch 33-honour-LDFLAGS Apply debian patch 34-gcc8-format-security.patch Apply debian patch 35-archived-homepage Apply debian patch 36-fix-parallelism
83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/* dvdisaster: Additional error correction for optical media.
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* Copyright (C) 2004-2017 Carsten Gnoerlich.
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*
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* Email: carsten@dvdisaster.org -or- cgnoerlich@fsfe.org
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* Project homepage: http://www.dvdisaster.org
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*
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* This file is part of dvdisaster.
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*
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* dvdisaster is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* dvdisaster is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with dvdisaster. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "dvdisaster.h"
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#if defined(SYS_LINUX)
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int ProbeCacheLineSize()
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{ int cl_size = 0;
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cl_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE);
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if(!cl_size)
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cl_size = sysconf(_SC_LEVEL2_CACHE_LINESIZE);
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if(cl_size < 16)
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cl_size = 64;
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return cl_size;
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}
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#elif defined(SYS_FREEBSD) || defined(SYS_KFREEBSD)
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#include <sys/param.h>
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int ProbeCacheLineSize()
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{ int cl_size = CACHE_LINE_SIZE;
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/* Doing this at compile time may backfire,
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but let's just hope for the best. */
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if(cl_size < 16)
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cl_size = 64;
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return cl_size;
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}
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#elif defined(SYS_NETBSD)
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#include <sys/param.h>
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int ProbeCacheLineSize()
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{ int cl_size = CACHE_LINE_SIZE;
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/* Doing this at compile time may backfire,
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but let's just hope for the best. */
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if(cl_size < 16)
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cl_size = 64;
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return cl_size;
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}
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#else /* SYS_UNKNOWN and others. */
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int ProbeCacheLineSize()
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{
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return 64;
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}
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#endif
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