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https://github.com/VectorCamp/vectorscan.git
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64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/*
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* Copyright (c) 2015, Intel Corporation
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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 are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * 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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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "limit.h"
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#include <cstdlib>
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#if defined(HAVE_SETRLIMIT)
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#include <cerrno>
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#include <cstdio>
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#include <cstring>
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#include <iostream>
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#include <sys/resource.h>
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void setMemoryLimit(size_t mbytes) {
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size_t bytes = mbytes * 1024 * 1024;
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struct rlimit r;
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r.rlim_cur = bytes;
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r.rlim_max = bytes;
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int rv = setrlimit(RLIMIT_DATA, &r);
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if (rv != 0) {
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std::cerr << "setrlimit(RLIMIT_DATA, ...) failed: " <<
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strerror(errno) << std::endl;
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}
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rv = setrlimit(RLIMIT_AS, &r);
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if (rv != 0) {
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std::cerr << "setrlimit(RLIMIT_AS, ...) failed: " <<
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strerror(errno) << std::endl;
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}
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}
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#else // no setrlimit
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void setMemoryLimit(size_t) {}
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#endif
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