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32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/* mmap with error checking.
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Copyright (C) 2016-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <support/check.h>
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#include <support/xunistd.h>
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#include <sys/mman.h>
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void *
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xmmap (void *addr, size_t length, int prot, int flags, int fd)
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{
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void *result = mmap (addr, length, prot, flags, fd, 0);
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if (result == MAP_FAILED)
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FAIL_EXIT1 ("mmap of %zu bytes, prot=0x%x, flags=0x%x: %m",
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length, prot, flags);
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return result;
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}
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