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36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "Copyright (c) 2012 Tokutek Inc. All rights reserved."
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#ident "$Id$"
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#ifndef TOKU_AFFINITY_H
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#define TOKU_AFFINITY_H
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#include <config.h>
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#include <stddef.h>
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#include <sys/types.h>
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#if defined(HAVE_SCHED_GETAFFINITY)
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# include <sched.h>
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typedef cpu_set_t toku_cpuset_t;
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# define TOKU_CPU_ZERO(p) CPU_ZERO(p)
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# define TOKU_CPU_SET(n, p) CPU_SET(n, p)
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#elif defined(HAVE_CPUSET_GETAFFINITY)
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# include <sys/param.h>
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# include <sys/cpuset.h>
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typedef cpuset_t toku_cpuset_t;
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# define TOKU_CPU_ZERO(p) CPU_ZERO(p)
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# define TOKU_CPU_SET(n, p) CPU_SET(n, p)
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#else
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// dummy implementation to get rid of unused warnings etc
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typedef int toku_cpuset_t;
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# define TOKU_CPU_ZERO(p) (*p = 0)
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# define TOKU_CPU_SET(n, p) (((void) n, (void) p))
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#endif
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// see sched_getaffinity(2)
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int toku_getaffinity(pid_t pid, size_t cpusetsize, toku_cpuset_t *cpusetp);
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// see sched_setaffinity(2)
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int toku_setaffinity(pid_t pid, size_t cpusetsize, const toku_cpuset_t *cpusetp);
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#endif // TOKU_AFFINITY_H
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