mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-27 22:30:33 +05:00
67 lines
1.1 KiB
C++
67 lines
1.1 KiB
C++
#ifndef FILE_OPTMEM
|
|
#define FILE_OPTMEM
|
|
|
|
/**************************************************************************/
|
|
/* File: optmem.hh */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: 04. Apr. 97 */
|
|
/**************************************************************************/
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
/**
|
|
Optimized Memory allocation classes
|
|
*/
|
|
|
|
class BlockAllocator
|
|
{
|
|
private:
|
|
///
|
|
unsigned size, blocks;
|
|
///
|
|
void * freelist;
|
|
///
|
|
NgArray<char*> bablocks;
|
|
mutex block_allocator_mutex;
|
|
public:
|
|
///
|
|
BlockAllocator (unsigned asize, unsigned ablocks = 100);
|
|
///
|
|
~BlockAllocator ();
|
|
///
|
|
|
|
void * Alloc ();
|
|
/*
|
|
{
|
|
if (!freelist)
|
|
Alloc2();
|
|
|
|
void * p = freelist;
|
|
// freelist = *(void**)freelist;
|
|
freelist = *static_cast<void**> (freelist);
|
|
|
|
return p;
|
|
}
|
|
*/
|
|
|
|
|
|
///
|
|
void Free (void * p);
|
|
/*
|
|
{
|
|
if (!bablocks.Size()) return;
|
|
*(void**)p = freelist;
|
|
freelist = p;
|
|
}
|
|
*/
|
|
|
|
|
|
private:
|
|
// void Alloc2 ();
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|