unsigned char* ioman_getSector(IOManager *ioman,unsigned long address, unsigned char mode) { signed long bp; if((bp=ioman_findSectorInCache(ioman,address))!=-1){ if(ioman_isReqRw(mode)){ ioman_setWritable(bp); } ioman_incUseCnt(ioman,bp); if(!ioman_isReqExp(mode))ioman_incRefCnt(ioman,bp); return(ioman_getPtr(ioman,bp)); } if((bp=ioman_findFreeSpot(ioman))==-1){ if(((bp=ioman_findUnusedSpot(ioman))!=-1)&&(ioman_isWritable(bp))){ ioman_flushSector(ioman,bp); } } if(bp!=-1){ ioman_resetCacheItem(ioman,bp); if((ioman_putSectorInCache(ioman,address,bp))){ return(0); } if(mode==IOM_MODE_READWRITE){ ioman_setWritable(bp); } ioman_incUseCnt(ioman,bp); if(!ioman_isReqExp(mode))ioman_incRefCnt(ioman,bp); return(ioman_getPtr(ioman,bp)); } if((bp=ioman_findOverallocableSpot(ioman))!=-1){ if(ioman_isWritable(bp)){ ioman_flushSector(ioman,bp); } if(ioman_push(ioman,bp)){ return(0); } ioman_resetCacheItem(ioman,bp); if((ioman_putSectorInCache(ioman,address,bp))){ return(0); } if(ioman_isReqRw(mode)){ ioman_setWritable(bp); } ioman_incUseCnt(ioman,bp); if(!ioman_isReqExp(mode))ioman_incRefCnt(ioman,bp); return(ioman_getPtr(ioman,bp)); } ioman_setError(ioman,IOMAN_ERR_NOMEMORY); return(0); }
euint8* ioman_getSector(IOManager *ioman,euint32 address, euint8 mode) { esint32 bp; if((bp=ioman_findSectorInCache(ioman,address))!=-1){ if(mode==IOM_MODE_READWRITE){ ioman_setWritable(bp); } ioman_incUseCnt(ioman,bp); ioman_incRefCnt(ioman,bp); return(ioman_getPtr(ioman,bp)); } if((bp=ioman_findFreeSpot(ioman))==-1){ if(((bp=ioman_findUnusedSpot(ioman))!=-1)&&(ioman_isWritable(bp))){ ioman_flushSector(ioman,bp); } } if(bp!=-1){ ioman_resetCacheItem(ioman,bp); if((ioman_putSectorInCache(ioman,address,bp))){ return(0); } if(mode==IOM_MODE_READWRITE){ ioman_setWritable(bp); } ioman_incUseCnt(ioman,bp); ioman_incRefCnt(ioman,bp); return(ioman_getPtr(ioman,bp)); } if((bp=ioman_findOverallocableSpot(ioman))!=-1){ if(ioman_isWritable(bp)){ ioman_flushSector(ioman,bp); } if(ioman_push(ioman,bp)){ return(0); } ioman_resetCacheItem(ioman,bp); if((ioman_putSectorInCache(ioman,address,bp))){ return(0); } if(mode==IOM_MODE_READWRITE){ ioman_setWritable(bp); } ioman_incUseCnt(ioman,bp); ioman_incRefCnt(ioman,bp); return(ioman_getPtr(ioman,bp)); } return(0); }
signed char ioman_flushAll(IOManager *ioman) { unsigned short c; for(c=0;c<ioman->numbuf;c++){ if(ioman_isWritable(c)){ if(ioman_flushSector(ioman,c)){ return(-1); } if(ioman->usage[c]==0)ioman_setNotWritable(c); } } return(0); }
esint8 ioman_flushAll(IOManager *ioman) { euint16 c; for(c=0;c<ioman->numbuf;c++){ if(ioman_isWritable(c)){ if(ioman_flushSector(ioman,c)){ return(-1); } if(ioman->usage[c]==0)ioman_setNotWritable(c); } } return(0); }
signed char ioman_releaseSector(IOManager *ioman,unsigned char* buf) { unsigned short bp; bp=ioman_getBp(ioman,buf); ioman_decUseCnt(ioman,bp); if(ioman_getUseCnt(ioman,bp)==0 && ioman->itptr[bp]!=0){ if(ioman_isWritable(bp)){ ioman_flushSector(ioman,bp); } ioman_pop(ioman,bp); ioman_putSectorInCache(ioman,ioman->sector[bp],bp); } return(0); }
esint8 ioman_releaseSector(IOManager *ioman,euint8* buf) { euint16 bp; bp=ioman_getBp(ioman,buf); ioman_decUseCnt(ioman,bp); if(ioman_getUseCnt(ioman,bp)==0 && ioman->itptr[bp]!=0){ if(ioman_isWritable(bp)){ ioman_flushSector(ioman,bp); } ioman_pop(ioman,bp); ioman_putSectorInCache(ioman,ioman->sector[bp],bp); } return(0); }
signed char ioman_flushRange(IOManager *ioman,unsigned long address_low, unsigned long address_high) { unsigned long c; if(address_low>address_high){ c=address_low; address_low=address_high;address_high=c; } for(c=0;c<ioman->numbuf;c++){ if((ioman->sector[c]>=address_low) && (ioman->sector[c]<=address_high) && (ioman_isWritable(c))){ if(ioman_flushSector(ioman,c)){ return(-1); } if(ioman->usage[c]==0)ioman_setNotWritable(c); } } return(0); }