Attachment 194870 Details for Bug 229505 – Patch to epoch.9

Patch to epoch.9

patch.txt (text/plain), 1.07 KB, created by Juan Ramón Molina Menor on 2018-07-04 08:36:07 UTC

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Creator: Juan Ramón Molina Menor

Created: 2018-07-04 08:36:07 UTC

Size: 1.07 KB

patch

obsolete

>Index: share/man/man9/epoch.9
>===================================================================
>--- share/man/man9/epoch.9	(revision 335933)
>+++ share/man/man9/epoch.9	(working copy)
>@@ -108,14 +108,14 @@
> .Fn epoch_wait
> in the middle of an epoch section for the same epoch as this will lead to a deadlock.
> .Pp
>-Be default mutexes cannot be held across
>+The default mutexes cannot be held across
> .Fn epoch_wait_preempt .
> To permit this the epoch must be allocated with
> EPOCH_LOCKED.
>-When doing this one must be cautious of creating a situation where a deadlock is
>+When doing this, one must be cautious of creating a situation where a deadlock is
> possible. Note that epochs are not a straight replacement for read locks.
> Callers must use safe list and tailq traversal routines in an epoch (see ck_queue).
>-When modifying a list referenced from an epoch section safe removal
>+When modifying a list referenced from an epoch section, safe removal
> routines must be used and the caller can no longer modify a list entry
> in place.
> An item to be modified must be handled with copy on write

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