1 /* Definitions for POSIX memory map interface. Linux/MIPS version. 2 Copyright (C) 1997-2021 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 #ifdef __USE_MISC 28 # define MAP_NORESERVE 0x0400 /* don't check for reservations */ 29 # define MAP_GROWSDOWN 0x1000 /* stack-like segment */ 30 # define MAP_DENYWRITE 0x2000 /* ETXTBSY */ 31 # define MAP_EXECUTABLE 0x4000 /* mark it as an executable */ 32 # define MAP_LOCKED 0x8000 /* pages are locked */ 33 # define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */ 34 # define MAP_NONBLOCK 0x20000 /* do not block on IO */ 35 # define MAP_STACK 0x40000 /* Allocation is for a stack. */ 36 # define MAP_HUGETLB 0x80000 /* Create huge page mapping. */ 37 # define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap 38 underlying mapping. */ 39 #endif 40 41 #define __MAP_ANONYMOUS 0x0800 42 43 /* Include generic Linux declarations. */ 44 #include <bits/mman-linux.h> 45 46 #ifdef __USE_MISC 47 # define MAP_RENAME MAP_ANONYMOUS 48 #endif