1 /* Definitions for POSIX memory map interface. Linux/MIPS version. 2 Copyright (C) 1997-2018 Free Software Foundation, Inc. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library. If not, see 16 <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _SYS_MMAN_H 19 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." 20 #endif 21 22 /* The following definitions basically come from the kernel headers. 23 But the kernel header is not namespace clean. */ 24 25 /* These are Linux-specific. */ 26 #ifdef __USE_MISC 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 #endif 37 38 #define __MAP_ANONYMOUS 0x0800 39 40 /* Include generic Linux declarations. */ 41 #include <bits/mman-linux.h> 42 43 #ifdef __USE_MISC 44 # define MAP_RENAME MAP_ANONYMOUS 45 #endif 46