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man/thread-keyring.7
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Christian Kastner
Doc: Syntax fixes for man pages
21 окт 2014, 18:21
21 окт 2014, 18:21
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.\" .\" Copyright (C) 2014 Red Hat, Inc. All Rights Reserved. .\" Written by David Howells (dhowells@redhat.com) .\" .\" This program is free software; you can redistribute it and/or .\" modify it under the terms of the GNU General Public Licence .\" as published by the Free Software Foundation; either version .\" 2 of the Licence, or (at your option) any later version. .\" .TH "THREAD KEYRING" 7 "20 Feb 2014" Linux "Kernel key management" .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" .SH NAME thread_keyring \- Per-thread keyring .SH DESCRIPTION The .B thread keyring is a keyring used to anchor keys on behalf of a process. It is only created when a thread requests it. .P A special serial number value, \fBKEY_SPEC_THREAD_KEYRING\fP, is defined that can be used in lieu of the calling thread's thread keyring's actual serial number. .P From the keyctl utility, '\fB@t\fP' 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. .P 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. .P 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. .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" .SH SEE ALSO .BR keyctl (1), .br .BR keyctl (3), .br .BR keyrings (7), .br .BR process-keyring (7), .br .BR session-keyring (7), .br .BR user-keyring (7), .br .BR user-session-keyring (7) .br .BR persistent-keyring (7)