Ondřej Surý
06f9163d51
Since BIND 9 headers are not longer public, there's no reason to keep the ISC_LANG_BEGINDECL and ISC_LANG_ENDDECL macros to support including them from C++ projects.
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#pragma once
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/*! \file isc/os.h */
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#include <sys/stat.h>
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#include <isc/types.h>
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/*%<
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* Hardcode the L1 cacheline size of the CPU to 64, this is checked in
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* the os.c library constructor if operating system provide means to
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* get the L1 cacheline size using sysconf().
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*/
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#define ISC_OS_CACHELINE_SIZE 64
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unsigned int
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isc_os_ncpus(void);
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/*%<
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* Return the number of CPUs available on the system, or 1 if this cannot
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* be determined.
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*/
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unsigned long
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isc_os_cacheline(void);
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/*%<
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* Return L1 cacheline size of the CPU.
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* If L1 cache is greater than ISC_OS_CACHELINE_SIZE, ensure it is used
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* instead of constant. Is common on ppc64le architecture.
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*/
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mode_t
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isc_os_umask(void);
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/*%<
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* Return umask of the current process as initialized at the program start
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*/
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