a550db6753
Doesn't crash quite as easily. Still some nagging bugs. Partial implementation of hashTable. Need to make find use keys and do proper memory allocation (i.e. from physPages, not new). git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1349 a95241bf-73f2-0310-859d-f6bbb57e9c96
61 lines
2.4 KiB
C++
61 lines
2.4 KiB
C++
#ifndef _AREA_H
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#define _AREA_H
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#include "OS.h"
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#include "vm.h"
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#include "list.h"
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#include "olist.h"
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class areaManager;
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class vpage;
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class area : public node
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{
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protected:
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orderedList vpages;
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char name[B_OS_NAME_LENGTH];
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pageState state;
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protectType protection;
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bool finalWrite;
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area_id areaID;
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int in_count;
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int out_count;
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int copy_count;
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areaManager *manager;
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unsigned long start_address;
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unsigned long end_address;
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vpage *findVPage(unsigned long);
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public:
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area(void);
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void setup(areaManager *myManager);
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bool nameMatch(char *matchName) {return (strcmp(matchName,name)==0);}
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unsigned long mapAddressSpecToAddress(addressSpec type,void *requested,int pageCount);
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status_t createAreaGuts( char *inName, int pageCount, void **address, addressSpec type, pageState inState, protectType protect, bool inFinalWrite, int fd, size_t offset, area *originalArea=NULL /* For clone only*/);
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status_t createAreaMappingFile(char *name, int pageCount,void **address, addressSpec type,pageState state,protectType protect,int fd,size_t offset);
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status_t createArea (char *name, int pageCount,void **address, addressSpec type,pageState state,protectType protect);
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status_t cloneArea(area *area, char *inName, void **address, addressSpec type,pageState inState,protectType protect);
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int getAreaID(void) {return areaID;}
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void setAreaID(int id) {areaID=id;}
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void freeArea(void);
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status_t getInfo(area_info *dest);
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bool contains(void *address);
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status_t resize(size_t newSize);
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status_t setProtection(protectType prot);
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bool couldAdd(unsigned long start,unsigned long end) { return ((end<start_address) || (start>end_address));}
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unsigned long getEndAddress(void) {return end_address;}
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unsigned long getStartAddress(void) {return start_address;}
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void pager(int desperation);
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void saver(void);
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unsigned long getSize(void) {return getEndAddress()-getStartAddress();}
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unsigned long getPageCount(void) {return (getEndAddress()-getStartAddress())/PAGE_SIZE;}
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areaManager *getAreaManager(void) {return manager;}
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void dump(void);
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bool fault(void *fault_address, bool writeError); // true = OK, false = panic.
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char getByte(unsigned long ); // This is for testing only
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void setByte(unsigned long ,char value); // This is for testing only
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int getInt(unsigned long ); // This is for testing only
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void setInt(unsigned long ,int value); // This is for testing only
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};
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#endif
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