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| author | Sergey Bugaev <bugaevc@gmail.com> | 2023-01-30 15:52:16 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-01 23:36:11 +0100 |
| commit | a979b72747e34add3433a23c0966490cd809120f (patch) | |
| tree | 45d4888dc9ee62a8d851dc27b435516f827718b5 /hurd/hurdsig.c | |
| parent | 65392c84782a53b0d7705ca0207c95c3da41c7dc (diff) | |
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hurd: Implement SHM_ANON
This adds a special SHM_ANON value that can be passed into shm_open ()
in place of a name. When called in this way, shm_open () will create a
new anonymous shared memory file. The file will be created in the same
way that other shared memory files are created (i.e., under /dev/shm/),
except that it is not given a name and therefore cannot be reached from
the file system, nor by other calls to shm_open (). This is accomplished
by utilizing O_TMPFILE.
This is intended to be compatible with FreeBSD's API of the same name.
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-Id: <20230130125216.6254-4-bugaevc@gmail.com>
Diffstat (limited to 'hurd/hurdsig.c')
0 files changed, 0 insertions, 0 deletions