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document that locks must not be aquired in f_event... (and where they

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can be safely aquired)

Reminded by:	kib (by LOR #193)
MFC:	3 days
This commit is contained in:
John-Mark Gurney 2006-12-28 19:15:12 +00:00
parent e0dc351844
commit cd457d4e39
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=165589
1 changed files with 14 additions and 0 deletions
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14
share/man/man9/kqueue.9
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@ -188,6 +188,20 @@ will remove the note from the list, the
function will not be called and the
.Vt knote
will not be returned as an event.
.Pp
Locks
.Em must not
be aquired in
.Va f_event .
If a lock is required in
.Va f_event ,
it must be obtained in the
.Fa kl_lock
function of the
.Vt knlist
that the
.Va knote
was added to.
.El
.Pp
The function