gcc 4 compilation fixes.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20835 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/slab/Base.h

@@ -20,6 +20,11 @@
 extern "C" {
 #endif
 
+enum {
+	CACHE_DONT_SLEEP		= 1 << 0,
+	CACHE_ALIGN_TO_TOTAL	= 1 << 16,
+};
+
 static const int kMinimumSlabItems = 32;
 
 typedef void (*base_cache_constructor)(void *cookie, void *object);

headers/private/kernel/slab/HashStrategy.h

@@ -98,6 +98,7 @@ protected:
 
 template<typename Backend>
 struct HashCacheStrategy : BaseCacheStrategy<Backend>, BaseHashCacheStrategy {
+	typedef typename BaseCacheStrategy<Backend>::BaseSlab BaseSlab;
 	typedef typename BaseCacheStrategy<Backend>::Slab Slab;
 	typedef HashCacheStrategy<Backend> Strategy;
 
@@ -119,14 +120,14 @@ struct HashCacheStrategy : BaseCacheStrategy<Backend>, BaseHashCacheStrategy {
 			return NULL;
 
 		void *pages;
-		if (Backend::AllocatePages(fParent, &slab->id, &pages, byteCount,
+		if (Backend::AllocatePages(Parent(), &slab->id, &pages, byteCount,
 				flags) < B_OK) {
 			fSlabCache.Free(slab);
 			return NULL;
 		}
 
 		if (_PrepareSlab(slab, pages, byteCount, flags) < B_OK) {
-			Backend::FreePages(fParent, slab->id);
+			Backend::FreePages(Parent(), slab->id);
 			fSlabCache.Free(slab);
 			return NULL;
 		}
@@ -150,12 +151,14 @@ private:
 		return BaseCacheStrategy<Backend>::SlabSize(0);
 	}
 
+	base_cache *Parent() const { return BaseCacheStrategy<Backend>::Parent(); }
+
 	status_t _PrepareSlab(Slab *slab, void *pages, size_t byteCount,
 		uint32_t flags)
 	{
 		uint8_t *data = (uint8_t *)pages;
 		for (uint8_t *it = data;
-				it < (data + byteCount); it += fParent->object_size) {
+				it < (data + byteCount); it += Parent()->object_size) {
 			Link *link = fLinkCache.Alloc(flags);
 
 			if (link == NULL) {
@@ -178,7 +181,7 @@ private:
 
 	void _ClearSlabRange(uint8_t *data, uint8_t *end)
 	{
-		for (uint8_t *it = data; it < end; it += fParent->object_size) {
+		for (uint8_t *it = data; it < end; it += Parent()->object_size) {
 			Link *link = _Linkage(it);
 			fHashTable.Remove(link);
 			fLinkCache.Free(link);

headers/private/kernel/slab/MergedStrategy.h

@@ -9,6 +9,7 @@
 #ifndef _SLAB_MERGED_STRATEGY_H_
 #define _SLAB_MERGED_STRATEGY_H_
 
+#include <slab/Base.h>
 #include <slab/Strategy.h>
 
 
@@ -29,6 +30,7 @@ namespace Private {
 template<typename Backend>
 class MergedLinkCacheStrategy : public BaseCacheStrategy<Backend> {
 public:
+	typedef typename BaseCacheStrategy<Backend>::BaseSlab BaseSlab;
 	typedef typename BaseCacheStrategy<Backend>::Slab Slab;
 	typedef cache_object_link Link;
 
@@ -42,7 +44,7 @@ public:
 
 	void *Object(Link *link) const
 	{
-		return ((uint8_t *)link) - (fParent->object_size - sizeof(Link));
+		return ((uint8_t *)link) - (Parent()->object_size - sizeof(Link));
 	}
 
 	CacheObjectInfo ObjectInformation(void *object) const
@@ -60,7 +62,7 @@ public:
 		// in order to save a pointer per object or a hash table to
 		// map objects to slabs we required this set of pages to be
 		// aligned in a (pageCount * PAGE_SIZE) boundary.
-		if (Backend::AllocatePages(fParent, &id, &pages, byteCount,
+		if (Backend::AllocatePages(Parent(), &id, &pages, byteCount,
 				CACHE_ALIGN_TO_TOTAL | flags) < B_OK)
 			return NULL;
 
@@ -84,10 +86,12 @@ private:
 		return byteCount;
 	}
 
+	base_cache *Parent() const { return BaseCacheStrategy<Backend>::Parent(); }
+
 	Link *_Linkage(void *object) const
 	{
 		return (Link *)(((uint8_t *)object)
-			+ (fParent->object_size - sizeof(Link)));
+			+ (Parent()->object_size - sizeof(Link)));
 	}
 
 	Slab *_SlabInPages(const void *pages) const

headers/private/kernel/slab/Slab.h

@@ -9,11 +9,11 @@
 #ifndef _SLAB_SLAB_H_
 #define _SLAB_SLAB_H_
 
-#ifdef __cplusplus
+#include <slab/Depot.h>
 
+#ifdef __cplusplus
 #include <slab/Backend.h>
 #include <slab/Base.h>
-#include <slab/Depot.h>
 #include <slab/MergedStrategy.h>
 #include <slab/HashStrategy.h>
 #include <slab/Utilities.h>
@@ -22,11 +22,6 @@
 extern "C" {
 #endif
 
-enum {
-	CACHE_DONT_SLEEP		= 1 << 0,
-	CACHE_ALIGN_TO_TOTAL	= 1 << 16,
-};
-
 typedef void *object_cache_t;
 
 

headers/private/kernel/slab/Strategy.h

@@ -47,6 +47,8 @@ protected:
 		Backend::FreePages(fParent, ((Slab *)slab)->id);
 	}
 
+	base_cache *Parent() const { return fParent; }
+
 	base_cache *fParent;
 };