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90fa9705d5
Instead of only hiding cpu_set_t compat typedef itself. Too many software packages assume that sched_getaffinity() presence implies full source compatibility with glibc. We can (and should) handle missing CPU_* macros, but then there are incompatible BIT_* uses which cannot be fixed in src/. So hide everything under _WITH_CPU_SET_T, in particular, do not expose sched_getcpu(), sched_get/setaffinity(), as well as CPU_* and BIT_* macros. Consumers that want sched* functions must opt-in. Reported by: portmgr (antoine) Sponsored by: The FreeBSD Foundation MFC after: 1 week
53 lines
2 KiB
C
53 lines
2 KiB
C
/*-
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* Copyright (c) 2021 The FreeBSD Foundation
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*
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* This software were developed by Konstantin Belousov <kib@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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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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#ifndef __SCHED_H__
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#define __SCHED_H__
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/sched.h>
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#if __BSD_VISIBLE
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#ifdef _WITH_CPU_SET_T
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#include <sys/cpuset.h>
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struct _cpuset;
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typedef struct _cpuset cpu_set_t;
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#endif /* _WITH_CPU_SET_T */
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#endif /* __BSD_VISIBLE */
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__BEGIN_DECLS
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#if __BSD_VISIBLE
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#ifdef _WITH_CPU_SET_T
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int sched_getaffinity(pid_t pid, size_t cpusetsz, cpuset_t *cpuset);
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int sched_setaffinity(int pid, size_t cpusetsz, const cpuset_t *cpuset);
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int sched_getcpu(void);
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#endif /* _WITH_CPU_SET_T */
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#endif /* __BSD_VISIBLE */
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__END_DECLS
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#endif /* __SCHED_H__ */
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