projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f4017d20 | 1 | /* Definitions for POSIX memory map interface. Linux/SPARC version. |
| 2b778ceb | 2 | Copyright (C) 1997-2021 Free Software Foundation, Inc. |
| 0413b54c UD |
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 | |
| 41bdb6e2 AJ |
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. | |
| 0413b54c UD |
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 | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 0413b54c | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 | 16 | License along with the GNU C Library; if not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| 0413b54c UD |
18 | |
| 19 | #ifndef _SYS_MMAN_H | |
| f4017d20 | 20 | # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." |
| 0413b54c UD |
21 | #endif |
| 22 | ||
| 23 | /* The following definitions basically come from the kernel headers. | |
| 24 | But the kernel header is not namespace clean. */ | |
| 25 | ||
| 0413b54c UD |
26 | |
| 27 | /* These are Linux-specific. */ | |
| 28 | #ifdef __USE_MISC | |
| 0866e1cb | 29 | # define MAP_GROWSDOWN 0x0200 /* Stack-like segment. */ |
| 0413b54c UD |
30 | # define MAP_DENYWRITE 0x0800 /* ETXTBSY */ |
| 31 | # define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */ | |
| 32 | # define MAP_LOCKED 0x0100 /* Lock the mapping. */ | |
| 33 | # define MAP_NORESERVE 0x0040 /* Don't check for reservations. */ | |
| 34 | # define _MAP_NEW 0x80000000 /* Binary compatibility with SunOS. */ | |
| 0866e1cb RM |
35 | # define MAP_POPULATE 0x8000 /* Populate (prefault) pagetables. */ |
| 36 | # define MAP_NONBLOCK 0x10000 /* Do not block on IO. */ | |
| dd62fda6 AB |
37 | # define MAP_STACK 0x20000 /* Allocation is for a stack. */ |
| 38 | # define MAP_HUGETLB 0x40000 /* Create huge page mapping. */ | |
| 71bdf29a JM |
39 | # define MAP_SYNC 0x80000 /* Perform synchronous page |
| 40 | faults for the mapping. */ | |
| bef1cbf4 JM |
41 | # define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap |
| 42 | underlying mapping. */ | |
| 0413b54c UD |
43 | #endif |
| 44 | ||
| 0413b54c UD |
45 | /* Flags for `mlockall'. */ |
| 46 | #define MCL_CURRENT 0x2000 /* Lock all currently mapped pages. */ | |
| 47 | #define MCL_FUTURE 0x4000 /* Lock all additions to address | |
| 3f2c9726 | 48 | space. */ |
| fb53a27c JM |
49 | #define MCL_ONFAULT 0x8000 /* Lock all pages that are |
| 50 | faulted in. */ | |
| 890b58d3 AJ |
51 | /* Include generic Linux declarations. */ |
| 52 | #include <bits/mman-linux.h> | |
| 53 | ||
| 54 | /* Other flags. */ | |
| 55 | #ifdef __USE_MISC | |
| 56 | # define MAP_RENAME MAP_ANONYMOUS | |
| 57 | #endif |