Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

1 files changed, 152 insertions, 0 deletions

diff --git a/db/mork/src/morkPool.h b/db/mork/src/morkPool.h
new file mode 100644
index 0000000000..4cf9a4e045
--- /dev/null
+++ b/db/mork/src/morkPool.h
@@ -0,0 +1,152 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-  */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _MORKPOOL_
+#define _MORKPOOL_ 1
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+#ifndef _MORKDEQUE_
+#include "morkDeque.h"
+#endif
+
+#ifndef _MORKNODE_
+#include "morkNode.h"
+#endif
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+class morkHandle;
+class morkHandleFrame;
+class morkHandleFace; // just an opaque cookie type
+class morkBigBookAtom;
+class morkFarBookAtom;
+
+#define morkDerived_kPool     /*i*/ 0x706C /* ascii 'pl' */
+
+/*| morkPool: a place to manage pools of non-node objects that are memory
+**| managed out of large chunks of space, so that per-object management
+**| space overhead has no signficant cost.
+|*/
+class morkPool : public morkNode {
+  
+// public: // slots inherited from morkNode (meant to inform only)
+  // nsIMdbHeap*       mNode_Heap;
+
+  // mork_base      mNode_Base;     // must equal morkBase_kNode
+  // mork_derived   mNode_Derived;  // depends on specific node subclass
+  
+  // mork_access    mNode_Access;   // kOpen, kClosing, kShut, or kDead
+  // mork_usage     mNode_Usage;    // kHeap, kStack, kMember, kGlobal, kNone
+  // mork_able      mNode_Mutable;  // can this node be modified?
+  // mork_load      mNode_Load;     // is this node clean or dirty?
+  
+  // mork_uses      mNode_Uses;     // refcount for strong refs
+  // mork_refs      mNode_Refs;     // refcount for strong refs + weak refs
+
+public: // state is public because the entire Mork system is private
+  nsIMdbHeap*  mPool_Heap; // NON-refcounted heap instance
+  
+  morkDeque    mPool_Blocks;      // linked list of large blocks from heap
+  
+  // These two lists contain instances of morkHandleFrame:
+  morkDeque    mPool_UsedHandleFrames; // handle frames currently being used
+  morkDeque    mPool_FreeHandleFrames; // handle frames currently in free list
+  
+  mork_count   mPool_UsedFramesCount; // length of mPool_UsedHandleFrames
+  mork_count   mPool_FreeFramesCount; // length of mPool_UsedHandleFrames
+
+// { ===== begin morkNode interface =====
+public: // morkNode virtual methods
+  virtual void CloseMorkNode(morkEnv* ev); // ClosePool() only if open
+  virtual ~morkPool(); // assert that ClosePool() executed earlier
+
+public: // morkPool construction & destruction
+  morkPool(const morkUsage& inUsage, nsIMdbHeap* ioHeap,
+    nsIMdbHeap* ioSlotHeap);
+  morkPool(morkEnv* ev, const morkUsage& inUsage, nsIMdbHeap* ioHeap,
+    nsIMdbHeap* ioSlotHeap);
+  void ClosePool(morkEnv* ev); // called by CloseMorkNode();
+
+private: // copying is not allowed
+  morkPool(const morkPool& other);
+  morkPool& operator=(const morkPool& other);
+
+public: // dynamic type identification
+  mork_bool IsPool() const
+  { return IsNode() && mNode_Derived == morkDerived_kPool; }
+// } ===== end morkNode methods =====
+
+public: // typing
+  void NonPoolTypeError(morkEnv* ev);
+
+public: // morkNode memory management operators
+  void* operator new(size_t inSize, nsIMdbHeap& ioHeap, morkEnv* ev) CPP_THROW_NEW
+  { return morkNode::MakeNew(inSize, ioHeap, ev); }
+  
+  void* operator new(size_t inSize) CPP_THROW_NEW
+  { return ::operator new(inSize); }
+  
+
+public: // other pool methods
+
+  // alloc and free individual instances of handles (inside hand frames):
+  morkHandleFace*  NewHandle(morkEnv* ev, mork_size inSize, morkZone* ioZone);
+  void             ZapHandle(morkEnv* ev, morkHandleFace* ioHandle);
+
+  // alloc and free individual instances of rows:
+  morkRow*  NewRow(morkEnv* ev, morkZone* ioZone); // alloc new row instance
+  void      ZapRow(morkEnv* ev, morkRow* ioRow, morkZone* ioZone); // free old row instance
+
+  // alloc and free entire vectors of cells (not just one cell at a time)
+  morkCell* NewCells(morkEnv* ev, mork_size inSize, morkZone* ioZone);
+  void      ZapCells(morkEnv* ev, morkCell* ioVector, mork_size inSize, morkZone* ioZone);
+  
+  // resize (grow or trim) cell vectors inside a containing row instance
+  mork_bool AddRowCells(morkEnv* ev, morkRow* ioRow, mork_size inNewSize, morkZone* ioZone);
+  mork_bool CutRowCells(morkEnv* ev, morkRow* ioRow, mork_size inNewSize, morkZone* ioZone);
+  
+  // alloc & free individual instances of atoms (lots of atom subclasses):
+  void ZapAtom(morkEnv* ev, morkAtom* ioAtom, morkZone* ioZone); // any subclass (by kind)
+  
+  morkOidAtom* NewRowOidAtom(morkEnv* ev, const mdbOid& inOid, morkZone* ioZone); 
+  morkOidAtom* NewTableOidAtom(morkEnv* ev, const mdbOid& inOid, morkZone* ioZone);
+  
+  morkAtom* NewAnonAtom(morkEnv* ev, const morkBuf& inBuf,
+    mork_cscode inForm, morkZone* ioZone);
+    // if inForm is zero, and inBuf.mBuf_Fill is less than 256, then a 'wee'
+    // anon atom will be created, and otherwise a 'big' anon atom.
+    
+  morkBookAtom* NewBookAtom(morkEnv* ev, const morkBuf& inBuf,
+    mork_cscode inForm, morkAtomSpace* ioSpace, mork_aid inAid, morkZone* ioZone);
+    // if inForm is zero, and inBuf.mBuf_Fill is less than 256, then a 'wee'
+    // book atom will be created, and otherwise a 'big' book atom.
+    
+  morkBookAtom* NewBookAtomCopy(morkEnv* ev, const morkBigBookAtom& inAtom, morkZone* ioZone);
+    // make the smallest kind of book atom that can hold content in inAtom.
+    // The inAtom parameter is often expected to be a staged book atom in
+    // the store, which was used to search an atom space for existing atoms.
+    
+  morkBookAtom* NewFarBookAtomCopy(morkEnv* ev, const morkFarBookAtom& inAtom, morkZone* ioZone);
+    // make the smallest kind of book atom that can hold content in inAtom.
+    // The inAtom parameter is often expected to be a staged book atom in
+    // the store, which was used to search an atom space for existing atoms.
+
+public: // typesafe refcounting inlines calling inherited morkNode methods
+  static void SlotWeakPool(morkPool* me,
+    morkEnv* ev, morkPool** ioSlot)
+  { morkNode::SlotWeakNode((morkNode*) me, ev, (morkNode**) ioSlot); }
+  
+  static void SlotStrongPool(morkPool* me,
+    morkEnv* ev, morkPool** ioSlot)
+  { morkNode::SlotStrongNode((morkNode*) me, ev, (morkNode**) ioSlot); }
+};
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#endif /* _MORKPOOL_ */
+