NAME

       thread-keyring - Per-thread keyring

DESCRIPTION

       The  thread  keyring  is a keyring used to anchor keys on behalf of a process.  It is only
       created when a thread requests it.

       A special serial number value, KEY_SPEC_THREAD_KEYRING, is defined that  can  be  used  in
       lieu of the calling thread's thread keyring's actual serial number.

       From  the  keyctl  utility,  '@t' can be used instead of a numeric key ID in much the same
       way, but as keyctl is a program run after forking, this is of no utility.

       Thread keyrings are not inherited across clone() and are cleared by  execve().   A  thread
       keyring is destroyed when the thread that refers to it exits.

       If  a  thread  doesn't  have a thread keyring when it is accessed, then the thread keyring
       will be created if the keyring is to be modified, otherwise error ENOKEY will be issued.

SEE ALSO

       keyctl(1),
       keyctl(3),
       keyrings(7),
       process-keyring(7),
       session-keyring(7),
       user-keyring(7),
       user-session-keyring(7)
       persistent-keyring(7)