diff options
Diffstat (limited to 'db/mork/src/orkinHeap.cpp')
-rw-r--r-- | db/mork/src/orkinHeap.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/db/mork/src/orkinHeap.cpp b/db/mork/src/orkinHeap.cpp new file mode 100644 index 000000000..4a309a154 --- /dev/null +++ b/db/mork/src/orkinHeap.cpp @@ -0,0 +1,84 @@ +/* -*- 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 _MDB_ +#include "mdb.h" +#endif + +#ifndef _MORK_ +#include "mork.h" +#endif + +#ifndef _ORKINHEAP_ +#include "orkinHeap.h" +#endif + +#ifndef _MORKENV_ +#include "morkEnv.h" +#endif + +#include "nsIMemoryReporter.h" + +#include <stdlib.h> + +//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 + + +orkinHeap::orkinHeap() // does nothing + : mUsedSize(0) +{ +} + +/*virtual*/ +orkinHeap::~orkinHeap() // does nothing +{ +} + +MOZ_DEFINE_MALLOC_SIZE_OF_ON_ALLOC(MorkSizeOfOnAlloc) +MOZ_DEFINE_MALLOC_SIZE_OF_ON_FREE(MorkSizeOfOnFree) + +// { ===== begin nsIMdbHeap methods ===== +/*virtual*/ nsresult +orkinHeap::Alloc(nsIMdbEnv* mev, // allocate a piece of memory + mdb_size inSize, // requested size of new memory block + void** outBlock) // memory block of inSize bytes, or nil +{ + + MORK_USED_1(mev); + nsresult outErr = NS_OK; + void* block = malloc(inSize); + if ( !block ) + outErr = morkEnv_kOutOfMemoryError; + else + mUsedSize += MorkSizeOfOnAlloc(block); + + MORK_ASSERT(outBlock); + if ( outBlock ) + *outBlock = block; + return outErr; +} + +/*virtual*/ nsresult +orkinHeap::Free(nsIMdbEnv* mev, // free block allocated earlier by Alloc() + void* inBlock) +{ + MORK_USED_1(mev); + MORK_ASSERT(inBlock); + if ( inBlock ) + { + mUsedSize -= MorkSizeOfOnFree(inBlock); + free(inBlock); + } + return NS_OK; +} + +size_t +orkinHeap::GetUsedSize() +{ + return mUsedSize; +} +// } ===== end nsIMdbHeap methods ===== + +//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 |