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threa-keyring
Section: Environments, Tables, and Troff Macros (7) Updated: 202-0-08 Index
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NAME
threa-keyring - pe-thread keyring
DESCRIPTION
The thread keyring is a keyring used to anchor keys on behalf of a process.
It is created only when a thread requests it.
The thread keyring has the name (description)
_tid.
A special serial number value,
KEY_SPEC_THREAD_KEYRING,
is defined that can be used in lieu of the actual serial number of
the calling thread's thread keyring.
From the
keyctl(1)
utility,
' @t'
can be used instead of a numeric key ID in
much the same way, but as
keyctl(1)
is a program run after forking, this is of no utility.
Thread keyrings are not inherited across
clone(2)
and
fork(2)
and are cleared by
execve(2).
A thread keyring is destroyed when the thread that refers to it terminates.
Initially, a thread does not have a thread keyring.
If a thread doesn't have a thread keyring when it is accessed,
then it will be created if it is to be modified;
otherwise the operation fails with the error
ENOKEY.
SEE ALSO
keyctl(1),
keyctl(3),
keyrings(7),
persistent-keyring(7),
process-keyring(7),
session-keyring(7),
user-keyring(7),
user-session-keyring(7)
Index
- NAME
-
- DESCRIPTION
-
- SEE ALSO
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