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37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/* Copyright (C) 2015-2017 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 <sys/types.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include <sysdep.h>
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#ifndef MMAP_PAGE_UNIT
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# define MMAP_PAGE_UNIT 4096UL
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#endif
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__ptr_t
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__mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
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{
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if (offset & (MMAP_PAGE_UNIT - 1))
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return (__ptr_t) INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
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return (__ptr_t) INLINE_SYSCALL (mmap2, 6, addr, len, prot, flags, fd,
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offset / MMAP_PAGE_UNIT);
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}
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weak_alias (__mmap, mmap)
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