diff options
| author | neal <neal> | 2008-05-23 10:52:36 +0000 |
|---|---|---|
| committer | neal <neal> | 2008-05-23 10:52:36 +0000 |
| commit | ecbdc86024bdf80d38fa9a47dccea061f02e1e63 (patch) | |
| tree | d6070088799d188c801c10d7346658588bd6cb6f /viengoos/object.c | |
| parent | 56f59a309bcff7d410fe80f497724c82a6c9a69c (diff) | |
2008-05-23 Neal H. Walfield <neal@gnu.org>
* object.c (object_find_soft): If we don't claim ODESC, mark it as
shared.
Diffstat (limited to 'viengoos/object.c')
| -rw-r--r-- | viengoos/object.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/viengoos/object.c b/viengoos/object.c index 2ca347e..ad69602 100644 --- a/viengoos/object.c +++ b/viengoos/object.c @@ -234,14 +234,18 @@ object_find_soft (struct activity *activity, oid_t oid, return object; } - if ((! odesc->activity || ! object_active (odesc)) + if (! odesc->activity || ! object_active (odesc) || (odesc->activity != activity && odesc->floating)) - /* Either the object is unowned, it is inactive or it is floating - (owned byt looking for a new owner). Claim ownership. */ + /* Either the object is unclaimed, it is inactive or it is + floating (claimed but looking for a new owner). Claim + ownership. */ { object_desc_claim (activity, odesc, policy, true); odesc->floating = false; } + else if (odesc->activity != activity) + /* It's claimed by someone else, mark it as shared. */ + odesc->shared = true; return object; } @@ -400,7 +404,7 @@ folio_alloc (struct activity *activity, struct folio_policy policy) panic ("Out of folios"); oid_t foid = f * (FOLIO_OBJECTS + 1); - /* We can't just allocate a fresh page as we need to preserve the + /* We can't just allocate a fresh page: we need to preserve the version information for the folio as well as the objects. */ struct folio *folio = (struct folio *) object_find (activity, foid, OBJECT_POLICY_DEFAULT); @@ -542,7 +546,7 @@ folio_object_alloc (struct activity *activity, } } - /* Wake any thread's waiting on this object. We wake them even if + /* Wake any threads waiting on this object. We wake them even if they are not waiting for this object's death. */ struct thread *thread; folio_object_wait_queue_for_each (activity, folio, idx, thread) |