[haiku-commits] r42079 - in haiku/trunk: headers/private/shared src/kits/support
- From: anevilyak@xxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Fri, 10 Jun 2011 03:55:12 +0200 (CEST)
Author: anevilyak
Date: 2011-06-10 03:55:12 +0200 (Fri, 10 Jun 2011)
New Revision: 42079
Changeset: https://dev.haiku-os.org/changeset/42079
Modified:
haiku/trunk/headers/private/shared/Referenceable.h
haiku/trunk/src/kits/support/Referenceable.cpp
Log:
AcquireReference() now returns the previous ref count.
Modified: haiku/trunk/headers/private/shared/Referenceable.h
===================================================================
--- haiku/trunk/headers/private/shared/Referenceable.h 2011-06-09 21:01:57 UTC
(rev 42078)
+++ haiku/trunk/headers/private/shared/Referenceable.h 2011-06-10 01:55:12 UTC
(rev 42079)
@@ -17,7 +17,7 @@
BReferenceable();
virtual ~BReferenceable();
- void AcquireReference();
+ int32 AcquireReference();
bool ReleaseReference();
//
returns true after last
Modified: haiku/trunk/src/kits/support/Referenceable.cpp
===================================================================
--- haiku/trunk/src/kits/support/Referenceable.cpp 2011-06-09 21:01:57 UTC
(rev 42078)
+++ haiku/trunk/src/kits/support/Referenceable.cpp 2011-06-10 01:55:12 UTC
(rev 42079)
@@ -28,13 +28,16 @@
}
-void
+int32
BReferenceable::AcquireReference()
{
- if (atomic_add(&fReferenceCount, 1) == 0)
+ int32 previousReferenceCount = atomic_add(&fReferenceCount, 1);
+ if (previousReferenceCount == 0)
FirstReferenceAcquired();
TRACE("%p: acquire %ld\n", this, fReferenceCount);
+
+ return previousReferenceCount;
}
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