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45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
/* Definitions for POSIX memory map interface. Linux/MIPS version.
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Copyright (C) 1997-2024 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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<https://www.gnu.org/licenses/>. */
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#ifndef _SYS_MMAN_H
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# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
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#endif
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/* The following definitions basically come from the kernel headers.
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But the kernel header is not namespace clean. */
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/* These are Linux-specific. */
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#define MAP_NORESERVE 0x0400 /* don't check for reservations */
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#define MAP_GROWSDOWN 0x1000 /* stack-like segment */
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#define MAP_DENYWRITE 0x2000 /* ETXTBSY */
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#define MAP_EXECUTABLE 0x4000 /* mark it as an executable */
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#define MAP_LOCKED 0x8000 /* pages are locked */
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#define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */
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#define MAP_NONBLOCK 0x20000 /* do not block on IO */
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#define MAP_STACK 0x40000 /* Allocation is for a stack. */
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#define MAP_HUGETLB 0x80000 /* Create huge page mapping. */
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#define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap
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underlying mapping. */
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#define __MAP_ANONYMOUS 0x0800
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/* Include generic Linux declarations. */
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#include <bits/mman-linux.h>
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#define MAP_RENAME MAP_ANONYMOUS
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