chore: initial commit (extracted from Launchers monorepo)

Plugin: ns7zip v2.0.0 Architectures: x86-ansi, x86-unicode, amd64-unicode License: LGPL-2.1-or-later
2026-04-29 14:07:51 +02:00
commit d074cc7c07
3848 changed files with 1076682 additions and 0 deletions
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+// MemBlocks.h
+
+#ifndef ZIP7_INC_MEM_BLOCKS_H
+#define ZIP7_INC_MEM_BLOCKS_H
+
+#include "../../Common/MyVector.h"
+
+#include "../../Windows/Synchronization.h"
+
+#include "../IStream.h"
+
+class CMemBlockManager
+{
+  void *_data;
+  size_t _blockSize;
+  void *_headFree;
+public:
+  CMemBlockManager(size_t blockSize = (1 << 20)): _data(NULL), _blockSize(blockSize), _headFree(NULL) {}
+  ~CMemBlockManager() { FreeSpace(); }
+
+  bool AllocateSpace_bool(size_t numBlocks);
+  void FreeSpace();
+  size_t GetBlockSize() const { return _blockSize; }
+  void *AllocateBlock();
+  void FreeBlock(void *p);
+};
+
+
+class CMemBlockManagerMt: public CMemBlockManager
+{
+  NWindows::NSynchronization::CCriticalSection _criticalSection;
+public:
+  SYNC_OBJ_DECL(Synchro)
+  NWindows::NSynchronization::CSemaphore_WFMO Semaphore;
+
+  CMemBlockManagerMt(size_t blockSize = (1 << 20)): CMemBlockManager(blockSize) {}
+  ~CMemBlockManagerMt() { FreeSpace(); }
+
+  HRESULT AllocateSpace(size_t numBlocks, size_t numNoLockBlocks);
+  HRESULT AllocateSpaceAlways(size_t desiredNumberOfBlocks, size_t numNoLockBlocks = 0);
+  void FreeSpace();
+  void *AllocateBlock();
+  void FreeBlock(void *p, bool lockMode = true);
+  // WRes ReleaseLockedBlocks_WRes(unsigned number) { return Semaphore.Release(number); }
+};
+
+
+class CMemBlocks
+{
+  void Free(CMemBlockManagerMt *manager);
+public:
+  CRecordVector<void *> Blocks;
+  UInt64 TotalSize;
+  
+  CMemBlocks(): TotalSize(0) {}
+
+  void FreeOpt(CMemBlockManagerMt *manager);
+  HRESULT WriteToStream(size_t blockSize, ISequentialOutStream *outStream) const;
+};
+
+struct CMemLockBlocks: public CMemBlocks
+{
+  bool LockMode;
+
+  CMemLockBlocks(): LockMode(true) {}
+  void Free(CMemBlockManagerMt *memManager);
+  void FreeBlock(unsigned index, CMemBlockManagerMt *memManager);
+  // HRESULT SwitchToNoLockMode(CMemBlockManagerMt *memManager);
+  void Detach(CMemLockBlocks &blocks, CMemBlockManagerMt *memManager);
+};
+
+#endif