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| 1 | /* Definitions for POSIX memory map interface. Linux/MIPS version. |
|---|---|
| 2 | Copyright (C) 1997-2024 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library. If not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef _SYS_MMAN_H |
| 20 | # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." |
| 21 | #endif |
| 22 | |
| 23 | /* The following definitions basically come from the kernel headers. |
| 24 | But the kernel header is not namespace clean. */ |
| 25 | |
| 26 | /* These are Linux-specific. */ |
| 27 | #define MAP_NORESERVE 0x0400 /* don't check for reservations */ |
| 28 | #define MAP_GROWSDOWN 0x1000 /* stack-like segment */ |
| 29 | #define MAP_DENYWRITE 0x2000 /* ETXTBSY */ |
| 30 | #define MAP_EXECUTABLE 0x4000 /* mark it as an executable */ |
| 31 | #define MAP_LOCKED 0x8000 /* pages are locked */ |
| 32 | #define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */ |
| 33 | #define MAP_NONBLOCK 0x20000 /* do not block on IO */ |
| 34 | #define MAP_STACK 0x40000 /* Allocation is for a stack. */ |
| 35 | #define MAP_HUGETLB 0x80000 /* Create huge page mapping. */ |
| 36 | #define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap |
| 37 | underlying mapping. */ |
| 38 | |
| 39 | #define __MAP_ANONYMOUS 0x0800 |
| 40 | |
| 41 | /* Include generic Linux declarations. */ |
| 42 | #include <bits/mman-linux.h> |
| 43 | |
| 44 | #define MAP_RENAME MAP_ANONYMOUS |
| 45 |
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