| /* Definitions for POSIX memory map interface. Linux/generic version. |
| Copyright (C) 1997-2019 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _SYS_MMAN_H |
| # error "Never use <bits/mman-map-flags-generic.h> directly; include <sys/mman.h> instead." |
| #endif |
| |
| /* These definitions are appropriate for architectures that, in the |
| Linux kernel, either have no uapi/asm/mman.h, or have one that |
| includes asm-generic/mman.h without any changes to the values of |
| the MAP_* flags defined in that header. */ |
| |
| #ifdef __USE_MISC |
| # define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */ |
| # define MAP_DENYWRITE 0x00800 /* ETXTBSY. */ |
| # define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */ |
| # define MAP_LOCKED 0x02000 /* Lock the mapping. */ |
| # define MAP_NORESERVE 0x04000 /* Don't check for reservations. */ |
| # define MAP_POPULATE 0x08000 /* Populate (prefault) pagetables. */ |
| # define MAP_NONBLOCK 0x10000 /* Do not block on IO. */ |
| # define MAP_STACK 0x20000 /* Allocation is for a stack. */ |
| # define MAP_HUGETLB 0x40000 /* Create huge page mapping. */ |
| # define MAP_SYNC 0x80000 /* Perform synchronous page |
| faults for the mapping. */ |
| # define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap |
| underlying mapping. */ |
| #endif |
