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Merge pull request #659 from bapt/bsd-multithread

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Enable multithreading on BSD
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Yann Collet 2017-04-16 23:14:10 -07:00 committed by GitHub
commit ce1cf8691d
1 changed files with 18 additions and 0 deletions
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18
programs/util.h
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@ -657,6 +657,24 @@ failed:
} }
} }
#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
/* Use apple-provided syscall
* see: man 3 sysctl */
UTIL_STATIC int UTIL_countPhysicalCores(void)
{
static int numPhysicalCores = 0;
if (numPhysicalCores != 0) return numPhysicalCores;
numPhysicalCores = (int)sysconf(_SC_NPROCESSORS_ONLN);
if (numPhysicalCores == -1) {
/* value not queryable, fall back on 1 */
return numPhysicalCores = 1;
}
return numPhysicalCores;
}
#else #else
UTIL_STATIC int UTIL_countPhysicalCores(void) UTIL_STATIC int UTIL_countPhysicalCores(void)