diff options
| author | kib <kib@FreeBSD.org> | 2014-06-19 09:00:39 +0400 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-08-24 16:00:02 +0300 |
| commit | de24ef326df2e76f4e1963b9e306d344c870e265 (patch) | |
| tree | 58bc4cd9ce39cd7e8942edb8b4561d86de44e884 /newlib/libc/sys/rtems | |
| parent | 472476a5a71d2490d2428d7552d501089393e884 (diff) | |
Add MAP_EXCL flag for mmap(2).
It should be combined with MAP_FIXED, and prevents the request from
deleting existing mappings in the region, failing instead.
Reviewed by: alc
Discussed with: jhb
Tested by: markj, pho (previous version, as part of the bigger patch)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Diffstat (limited to 'newlib/libc/sys/rtems')
| -rw-r--r-- | newlib/libc/sys/rtems/include/sys/mman.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/newlib/libc/sys/rtems/include/sys/mman.h b/newlib/libc/sys/rtems/include/sys/mman.h index 6c757c8ba..a13e3d161 100644 --- a/newlib/libc/sys/rtems/include/sys/mman.h +++ b/newlib/libc/sys/rtems/include/sys/mman.h @@ -89,6 +89,7 @@ /* * Extended flags */ +#define MAP_EXCL 0x00004000 /* for MAP_FIXED, fail if address is used */ #define MAP_NOCORE 0x00020000 /* dont include these pages in a coredump */ #define MAP_PREFAULT_READ 0x00040000 /* prefault mapping for reading */ #ifdef __LP64__ |