mirror of
https://gitlab.isc.org/isc-projects/bind9
synced 2025-08-24 02:58:38 +00:00
056e133c4c
The command used to reformat the files in this commit was: ./util/run-clang-tidy \ -clang-tidy-binary clang-tidy-11 -clang-apply-replacements-binary clang-apply-replacements-11 \ -checks=-*,readability-braces-around-statements \ -j 9 \ -fix \ -format \ -style=file \ -quiet clang-format -i --style=format $(git ls-files '*.c' '*.h') uncrustify -c .uncrustify.cfg --replace --no-backup $(git ls-files '*.c' '*.h') clang-format -i --style=format $(git ls-files '*.c' '*.h')
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
|
|
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* See the COPYRIGHT file distributed with this work for additional
|
|
* information regarding copyright ownership.
|
|
*/
|
|
|
|
#include <isc/os.h>
|
|
|
|
#ifdef HAVE_SYSCONF
|
|
|
|
#include <unistd.h>
|
|
|
|
static inline long
|
|
sysconf_ncpus(void)
|
|
{
|
|
#if defined(_SC_NPROCESSORS_ONLN)
|
|
return (sysconf((_SC_NPROCESSORS_ONLN)));
|
|
#elif defined(_SC_NPROC_ONLN)
|
|
return (sysconf((_SC_NPROC_ONLN)));
|
|
#else /* if defined(_SC_NPROCESSORS_ONLN) */
|
|
return (0);
|
|
#endif /* if defined(_SC_NPROCESSORS_ONLN) */
|
|
}
|
|
#endif /* HAVE_SYSCONF */
|
|
|
|
#if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTLBYNAME)
|
|
#include <sys/param.h> /* for NetBSD */
|
|
#include <sys/sysctl.h>
|
|
#include <sys/types.h> /* for FreeBSD */
|
|
|
|
static int
|
|
sysctl_ncpus(void)
|
|
{
|
|
int ncpu, result;
|
|
size_t len;
|
|
|
|
len = sizeof(ncpu);
|
|
result = sysctlbyname("hw.ncpu", &ncpu, &len, 0, 0);
|
|
if (result != -1) {
|
|
return (ncpu);
|
|
}
|
|
return (0);
|
|
}
|
|
#endif /* if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTLBYNAME) */
|
|
|
|
unsigned int
|
|
isc_os_ncpus(void)
|
|
{
|
|
long ncpus = 0;
|
|
|
|
#if defined(HAVE_SYSCONF)
|
|
ncpus = sysconf_ncpus();
|
|
#endif /* if defined(HAVE_SYSCONF) */
|
|
#if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTLBYNAME)
|
|
if (ncpus <= 0) {
|
|
ncpus = sysctl_ncpus();
|
|
}
|
|
#endif /* if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTLBYNAME) */
|
|
if (ncpus <= 0) {
|
|
ncpus = 1;
|
|
}
|
|
|
|
return ((unsigned int)ncpus);
|
|
}
|