Attachment 94400 Details for Bug 132546 – file.diff

[patch] file.diff

file.diff (text/plain), 1000 bytes, created by pluknet on 2009-03-11 15:10:01 UTC

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Creator: pluknet

Created: 2009-03-11 15:10:01 UTC

Size: 1000 bytes

patch

obsolete

>--- share/man/man9/vm_map_lock.9.orig	Wed Mar 11 17:57:55 2009
>+++ share/man/man9/vm_map_lock.9	Wed Mar 11 17:59:54 2009
>@@ -73,7 +73,6 @@
> .Fn vm_map_lock_read
> macro obtains a read-lock on
> .Fa map .
>-Currently this is implemented as an exclusive lock.
> .Pp
> The
> .Fn vm_map_unlock_read
>@@ -93,23 +92,18 @@
> .Fa map .
> It returns FALSE if the lock cannot be immediately acquired;
> otherwise return TRUE with the lock acquired.
>-Currently this is implemented as an exclusive lock.
> .Pp
> The
> .Fn vm_map_lock_upgrade
> macro attempts to atomically upgrade a read-lock on
> .Fa map
> to an exclusive lock.
>-As read-locks are currently implemented as exclusive locks,
>-this macro is a no-op.
> .Pp
> The
> .Fn vm_map_lock_downgrade
> macro attempts to downgrade an exclusive lock on
> .Fa map
> to a read-lock.
>-As read-locks are currently implemented as exclusive locks,
>-this macro is a no-op.
> .Sh IMPLEMENTATION NOTES
> Currently, all of the locking macros implement their locks as sleep locks.
> .Sh SEE ALSO

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