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add note about how listeners should not sleep.

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elad 2006-07-20 18:40:28 +00:00
parent cb6bd87d8a
commit 5fed711bc8
1 changed files with 5 additions and 2 deletions
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7
share/man/man9/kauth.9
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@ -1,4 +1,4 @@
.\" $NetBSD: kauth.9,v 1.8 2006/07/17 17:17:58 elad Exp $
.\" $NetBSD: kauth.9,v 1.9 2006/07/20 18:40:28 elad Exp $
.\"
.\" Copyright (c) 2005, 2006 Elad Efrat <elad@NetBSD.org>
.\" All rights reserved.
@ -28,7 +28,7 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd July 17, 2006
.Dd July 20, 2006
.Dt KAUTH 9
.Os
.Sh NAME
@ -548,6 +548,9 @@ the future.
Then, the code should wait (possibly sleeping) until the reference count
drops to zero.
When that happens, it is safe to do the final cleanup.
.Pp
Listeners, especially ones that are to be attached to any of the built-in
scopes, cannot sleep.
.\".Sh EXAMPLES
.\" .Sh SEE ALSO
.Sh HISTORY