Michael Phipps
7bebb1dec3
swapfile blocks are now put on a free list and properly reused, so it no longer grows out of control. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@626 a95241bf-73f2-0310-859d-f6bbb57e9c96
22 lines
523 B
C++
22 lines
523 B
C++
#include <unistd.h>
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#include <fcntl.h>
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#include "vm.h"
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#include "OS.h"
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class swapFileManager {
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private:
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int swapFile;
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unsigned long maxNode;
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list swapFileFreeList;
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sem_id lockFreeList;
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public:
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swapFileManager (void);
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vnode &findNode(void); // Get an unused node
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void freeVNode(vnode &); // Free a node
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void write_block(vnode &node,void *loc,unsigned long size);
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void read_block(vnode &node,void *loc,unsigned long size);
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void Lock() {acquire_sem(lockFreeList);}
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void Unlock() {release_sem(lockFreeList);}
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};
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