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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34536 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2009-12-07 14:28:56 +00:00
parent be7328a9f6
commit 6440406a59
1 changed files with 79 additions and 78 deletions
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headers/private/kernel/vm/VMCache.h
+14 -13
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@@ -107,8 +107,9 @@ public:
virtual status_t Commit(off_t size); virtual status_t Commit(off_t size);
virtual bool HasPage(off_t offset); virtual bool HasPage(off_t offset);
virtual status_t Read(off_t offset, const iovec *vecs, size_t count, virtual status_t Read(off_t offset, const iovec *vecs,
uint32 flags, size_t *_numBytes); size_t count,uint32 flags,
size_t *_numBytes);
virtual status_t Write(off_t offset, const iovec *vecs, size_t count, virtual status_t Write(off_t offset, const iovec *vecs, size_t count,
uint32 flags, size_t *_numBytes); uint32 flags, size_t *_numBytes);
virtual status_t WriteAsync(off_t offset, const iovec* vecs, virtual status_t WriteAsync(off_t offset, const iovec* vecs,
@@ -130,16 +131,10 @@ public:
virtual void AcquireStoreRef(); virtual void AcquireStoreRef();
virtual void ReleaseStoreRef(); virtual void ReleaseStoreRef();
private:
inline bool _IsMergeable() const;
void _MergeWithOnlyConsumer();
void _RemoveConsumer(VMCache* consumer);
public: public:
struct VMArea* areas; VMArea* areas;
struct list_link consumer_link; list_link consumer_link;
struct list consumers; list consumers;
// list of caches that use this cache as a source // list of caches that use this cache as a source
VMCachePagesTree pages; VMCachePagesTree pages;
VMCache* source; VMCache* source;
@@ -153,10 +148,16 @@ public:
uint32 type : 6; uint32 type : 6;
#if DEBUG_CACHE_LIST #if DEBUG_CACHE_LIST
struct VMCache* debug_previous; VMCache* debug_previous;
struct VMCache* debug_next; VMCache* debug_next;
#endif #endif
private:
inline bool _IsMergeable() const;
void _MergeWithOnlyConsumer();
void _RemoveConsumer(VMCache* consumer);
private: private:
int32 fRefCount; int32 fRefCount;
mutex fLock; mutex fLock;