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< ! DOCTYPE HTML >
< html >
< head >
< meta http - equiv = " Content-Type " content = " text/html;charset=US-ASCII " >
< meta name = " generator " content = " ZealOS V0.05 " >
< style type = " text/css " >
body { background - color : # 000000 ; }
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< / style >
< / head >
< body >
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< pre style = " font-family:monospace;font-size:12pt " >
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< a name = " l1 " > < / a > < span class = cF1 > Bool < / span > < span class = cF0 > < / span > < span class = cF5 > BlkDevLock < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * bd )
< a name = " l2 " > < / a > { < / span > < span class = cF2 > //Make this task have exclusive access to BlkDev.</span><span class=cF0>
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< a name = " l3 " > < / a > < / span > < span class = cF5 > BlkDevCheck < / span > < span class = cF0 > ( bd ) ;
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< a name = " l4 " > < / a >
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< a name = " l5 " > < / a > < / span > < span class = cF1 > while < / span > < span class = cF0 > ( bd - & gt ; lock_fwding )
< a name = " l6 " > < / a > bd = bd - & gt ; lock_fwding ; < / span > < span class = cF2 > //If two blkdevs on same controller, use just one lock</span><span class=cF0>
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< a name = " l7 " > < / a >
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< a name = " l8 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! < / span > < span class = cF5 > Bt < / span > < span class = cF7 > ( < / span > < span class = cF0 > & amp ; bd - & gt ; locked_flags , < / span > < span class = cF3 > BDlf_LOCKED < / span > < span class = cF7 > ) < / span > < span class = cF0 > | | bd - & gt ; owning_task ! = < / span > < span class = cF5 > Fs < / span > < span class = cF0 > )
< a name = " l9 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l10 " > < / a > < / span > < span class = cF1 > while < / span > < span class = cF0 > ( < / span > < span class = cF5 > LBts < / span > < span class = cF7 > ( < / span > < span class = cF0 > & amp ; bd - & gt ; locked_flags , < / span > < span class = cF3 > BDlf_LOCKED < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l11 " > < / a > < / span > < span class = cF5 > Yield < / span > < span class = cF0 > ;
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< a name = " l12 " > < / a >
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< a name = " l13 " > < / a > bd - & gt ; owning_task = < / span > < span class = cF5 > Fs < / span > < span class = cF0 > ;
< a name = " l14 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > ;
< a name = " l15 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l16 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l17 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF3 > FALSE < / span > < span class = cF0 > ;
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< a name = " l18 " > < / a > }
< a name = " l19 " > < / a >
< a name = " l20 " > < / a > < / span > < span class = cF1 > Bool < / span > < span class = cF0 > < / span > < span class = cF5 > BlkDevUnlock < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * bd , < / span > < span class = cF1 > Bool < / span > < span class = cF0 > reset = < / span > < span class = cF3 > FALSE < / span > < span class = cF0 > )
< a name = " l21 " > < / a > { < / span > < span class = cF2 > //Release exclusive lock on access to BlkDev.</span><span class=cF0>
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< a name = " l22 " > < / a > < / span > < span class = cF5 > BlkDevCheck < / span > < span class = cF0 > ( bd ) ;
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< a name = " l23 " > < / a >
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< a name = " l24 " > < / a > < / span > < span class = cF1 > while < / span > < span class = cF0 > ( bd - & gt ; lock_fwding )
< a name = " l25 " > < / a > bd = bd - & gt ; lock_fwding ; < / span > < span class = cF2 > //If two blkdevs on same controller, use just one lock</span><span class=cF0>
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< a name = " l26 " > < / a >
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< a name = " l27 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( < / span > < span class = cF5 > Bt < / span > < span class = cF7 > ( < / span > < span class = cF0 > & amp ; bd - & gt ; locked_flags , < / span > < span class = cF3 > BDlf_LOCKED < / span > < span class = cF7 > ) < / span > < span class = cF0 > & amp ; & amp ; bd - & gt ; owning_task = = < / span > < span class = cF5 > Fs < / span > < span class = cF0 > )
< a name = " l28 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l29 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( reset )
< a name = " l30 " > < / a > bd - & gt ; flags & amp ; = ~ ( < / span > < span class = cF3 > BDF_INITIALIZED < / span > < span class = cF0 > | < / span > < span class = cF3 > BDF_INIT_IN_PROGRESS < / span > < span class = cF0 > ) ;
< a name = " l31 " > < / a > bd - & gt ; owning_task = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > ;
< a name = " l32 " > < / a > < / span > < span class = cF5 > LBtr < / span > < span class = cF0 > ( & amp ; bd - & gt ; locked_flags , < / span > < span class = cF3 > BDlf_LOCKED < / span > < span class = cF0 > ) ;
< a name = " l33 " > < / a > < / span > < span class = cF5 > Yield < / span > < span class = cF0 > ; < / span > < span class = cF2 > //Prevent deadlock</span><span class=cF0>
< a name = " l34 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > ;
< a name = " l35 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l36 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l37 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF3 > FALSE < / span > < span class = cF0 > ;
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< a name = " l38 " > < / a > }
< a name = " l39 " > < / a >
< a name = " l40 " > < / a > < / span > < span class = cF1 > Bool < / span > < span class = cF0 > < / span > < span class = cFD > BlkDevInit < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * bd )
< a name = " l41 " > < / a > {
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< a name = " l42 " > < / a > < / span > < span class = cF9 > CDirEntry < / span > < span class = cF0 > de ;
< a name = " l43 " > < / a > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > buf [ < / span > < span class = cF3 > STR_LEN < / span > < span class = cF0 > ] ;
< a name = " l44 " > < / a > < / span > < span class = cF9 > CDrive < / span > < span class = cF0 > * drive = < / span > < span class = cF5 > Letter2Drive < / span > < span class = cF0 > ( bd - & gt ; first_drive_let ) ;
< a name = " l45 " > < / a > < / span > < span class = cF1 > Bool < / span > < span class = cF0 > res = < / span > < span class = cF3 > FALSE < / span > < span class = cF0 > ;
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< a name = " l46 " > < / a >
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< a name = " l47 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! < / span > < span class = cF5 > LBts < / span > < span class = cF7 > ( < / span > < span class = cF0 > & amp ; bd - & gt ; flags , < / span > < span class = cF3 > BDf_INITIALIZED < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l48 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l49 " > < / a > bd - & gt ; flags | = < / span > < span class = cF3 > BDF_INIT_IN_PROGRESS < / span > < span class = cF0 > ;
< a name = " l50 " > < / a > < / span > < span class = cF1 > switch < / span > < span class = cF0 > ( bd - & gt ; type )
< a name = " l51 " > < / a > {
< a name = " l52 " > < / a > < / span > < span class = cF1 > case < / span > < span class = cF0 > < / span > < span class = cF3 > BDT_RAM < / span > < span class = cF0 > :
< a name = " l53 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! bd - & gt ; RAM_disk )
< a name = " l54 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l55 " > < / a > bd - & gt ; RAM_disk = < / span > < span class = cF5 > ZMAlloc < / span > < span class = cF0 > ( < / span > < span class = cF7 > ( < / span > < span class = cF0 > bd - & gt ; max_blk + < / span > < span class = cFE > 1 < / span > < span class = cF7 > ) < / span > < span class = cF0 > & lt ; & lt ; < / span > < span class = cF3 > BLK_SIZE_BITS < / span > < span class = cF0 > ) ;
< a name = " l56 " > < / a > bd - & gt ; max_blk = < / span > < span class = cF5 > MSize < / span > < span class = cF0 > ( bd - & gt ; RAM_disk ) & gt ; & gt ; < / span > < span class = cF3 > BLK_SIZE_BITS < / span > < span class = cF0 > - < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l57 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l58 " > < / a > drive - & gt ; fs_type = < / span > < span class = cF3 > FSt_REDSEA < / span > < span class = cF0 > ;
< a name = " l59 " > < / a > drive - & gt ; size = bd - & gt ; max_blk + < / span > < span class = cFE > 1 < / span > < span class = cF0 > - bd - & gt ; drv_offset ;
< a name = " l60 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( < / span > < span class = cFD > RedSeaValidate < / span > < span class = cF7 > ( < / span > < span class = cF0 > bd - & gt ; first_drive_let < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l61 " > < / a > < / span > < span class = cFD > RedSeaInit < / span > < span class = cF0 > ( drive ) ;
< a name = " l62 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l63 " > < / a > < / span > < span class = cFD > RedSeaFormat < / span > < span class = cF0 > ( bd - & gt ; first_drive_let ) ;
< a name = " l64 " > < / a > res = < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > ;
< a name = " l65 " > < / a > < / span > < span class = cF1 > break < / span > < span class = cF0 > ;
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< a name = " l66 " > < / a >
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< a name = " l67 " > < / a > < / span > < span class = cF1 > case < / span > < span class = cF0 > < / span > < span class = cF3 > BDT_ISO_FILE_READ < / span > < span class = cF0 > :
< a name = " l68 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( < / span > < span class = cF5 > FileFind < / span > < span class = cF7 > ( < / span > < span class = cF0 > bd - & gt ; file_disk_name , & amp ; de , < / span > < span class = cF3 > FUF_JUST_FILES < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l69 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l70 " > < / a > bd - & gt ; max_blk = de . size & gt ; & gt ; < / span > < span class = cF3 > BLK_SIZE_BITS < / span > < span class = cF0 > - < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l71 " > < / a > < / span > < span class = cF1 > try < / span > < span class = cF0 >
< a name = " l72 " > < / a > bd - & gt ; file_disk = < / span > < span class = cF5 > FOpen < / span > < span class = cF0 > ( bd - & gt ; file_disk_name , < / span > < span class = cF6 > & quot ; rc & quot ; < / span > < span class = cF0 > , bd - & gt ; max_blk + < / span > < span class = cFE > 1 < / span > < span class = cF0 > ) ;
< a name = " l73 " > < / a > < / span > < span class = cF1 > catch < / span > < span class = cF0 >
< a name = " l74 " > < / a > {
< a name = " l75 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( < / span > < span class = cF5 > Fs < / span > < span class = cF0 > - & gt ; except_ch = = < / span > < span class = cF6 > ' File ' < / span > < span class = cF0 > )
< a name = " l76 " > < / a > < / span > < span class = cF5 > PrintErr < / span > < span class = cF0 > ( < / span > < span class = cF6 > & quot ; Not Contiguous . Move file to filename . ISO . C . \ n & quot ; < / span > < span class = cF0 > ) ;
< a name = " l77 " > < / a > < / span > < span class = cF5 > Fs < / span > < span class = cF0 > - & gt ; catch_except = < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > ;
< a name = " l78 " > < / a > }
< a name = " l79 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( bd - & gt ; file_disk )
< a name = " l80 " > < / a > {
< a name = " l81 " > < / a > drive - & gt ; fs_type = < / span > < span class = cF3 > FSt_REDSEA < / span > < span class = cF0 > ;
< a name = " l82 " > < / a > drive - & gt ; size = bd - & gt ; max_blk + < / span > < span class = cFE > 1 < / span > < span class = cF0 > - bd - & gt ; drv_offset ;
< a name = " l83 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( < / span > < span class = cFD > RedSeaValidate < / span > < span class = cF7 > ( < / span > < span class = cF0 > bd - & gt ; first_drive_let < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l84 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l85 " > < / a > < / span > < span class = cFD > RedSeaInit < / span > < span class = cF0 > ( drive ) ;
< a name = " l86 " > < / a > res = < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > ;
< a name = " l87 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l88 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l89 " > < / a > < / span > < span class = cF5 > PrintErr < / span > < span class = cF0 > ( < / span > < span class = cF6 > & quot ; Not RedSea \ n & quot ; < / span > < span class = cF0 > ) ;
< a name = " l90 " > < / a > }
< a name = " l91 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l92 " > < / a > < / span > < span class = cF1 > break < / span > < span class = cF0 > ;
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< a name = " l93 " > < / a >
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< a name = " l94 " > < / a > < / span > < span class = cF1 > case < / span > < span class = cF0 > < / span > < span class = cF3 > BDT_ISO_FILE_WRITE < / span > < span class = cF0 > :
< a name = " l95 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! bd - & gt ; file_disk_name )
< a name = " l96 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l97 " > < / a > < / span > < span class = cF5 > StrPrint < / span > < span class = cF0 > ( buf , < / span > < span class = cF6 > & quot ; % C : / Drive % C . ISO . C & quot ; < / span > < span class = cF0 > , < / span > < span class = cFB > blkdev < / span > < span class = cF0 > . boot_drive_let , bd - & gt ; first_drive_let ) ;
< a name = " l98 " > < / a > bd - & gt ; file_disk_name = < / span > < span class = cF5 > ZStrNew < / span > < span class = cF0 > ( buf ) ;
< a name = " l99 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l100 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( bd - & gt ; max_blk & lt ; < / span > < span class = cFE > 7 < / span > < span class = cF0 > )
< a name = " l101 " > < / a > bd - & gt ; max_blk = < / span > < span class = cFE > 7 < / span > < span class = cF0 > ;
< a name = " l102 " > < / a > bd - & gt ; file_disk = < / span > < span class = cF5 > FOpen < / span > < span class = cF0 > ( bd - & gt ; file_disk_name , < / span > < span class = cF6 > & quot ; wc & quot ; < / span > < span class = cF0 > , bd - & gt ; max_blk + < / span > < span class = cFE > 1 < / span > < span class = cF0 > ) ;
< a name = " l103 " > < / a > drive - & gt ; fs_type = < / span > < span class = cF3 > FSt_REDSEA < / span > < span class = cF0 > ;
< a name = " l104 " > < / a > drive - & gt ; size = bd - & gt ; max_blk + < / span > < span class = cFE > 1 < / span > < span class = cF0 > - bd - & gt ; drv_offset ;
< a name = " l105 " > < / a > < / span > < span class = cFD > RedSeaFormat < / span > < span class = cF0 > ( bd - & gt ; first_drive_let ) ;
< a name = " l106 " > < / a > < / span > < span class = cF5 > CallExtStr < / span > < span class = cF0 > ( < / span > < span class = cF6 > & quot ; RedSeaISO9660 & quot ; < / span > < span class = cF0 > , bd - & gt ; file_disk_name , bd - & gt ; first_drive_let ) ;
< a name = " l107 " > < / a > res = < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > ;
< a name = " l108 " > < / a > < / span > < span class = cF1 > break < / span > < span class = cF0 > ;
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< a name = " l109 " > < / a >
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< a name = " l110 " > < / a > < / span > < span class = cF1 > case < / span > < span class = cF0 > < / span > < span class = cF3 > BDT_ATA < / span > < span class = cF0 > :
< a name = " l111 " > < / a > bd - & gt ; max_reads = < / span > < span class = cFE > 128 < / span > < span class = cF0 > ;
< a name = " l112 " > < / a > bd - & gt ; max_writes = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l113 " > < / a > res = < / span > < span class = cFD > AHCIAtaInit < / span > < span class = cF0 > ( bd ) ;
< a name = " l114 " > < / a > < / span > < span class = cF1 > break < / span > < span class = cF0 > ;
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< a name = " l115 " > < / a >
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< a name = " l116 " > < / a > < / span > < span class = cF1 > case < / span > < span class = cF0 > < / span > < span class = cF3 > BDT_ATAPI < / span > < span class = cF0 > :
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< a name = " l117 " > < / a > < / span > < span class = cF2 > //0xFFFF*4 is too big for Terry's taste</span><span class=cF0>
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< a name = " l118 " > < / a > bd - & gt ; max_reads = < / span > < span class = cFE > 0x800 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > ;
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< a name = " l119 " > < / a > < / span > < span class = cF2 > //max of maybe a quarter of disk cache</span><span class=cF0>
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< a name = " l120 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( bd - & gt ; max_reads & gt ; < / span > < span class = cFB > blkdev < / span > < span class = cF0 > . cache_size / < / span > < span class = cF3 > BLK_SIZE < / span > < span class = cF0 > / < / span > < span class = cFE > 4 < / span > < span class = cF0 > )
< a name = " l121 " > < / a > bd - & gt ; max_reads = < / span > < span class = cFB > blkdev < / span > < span class = cF0 > . cache_size / < / span > < span class = cF3 > BLK_SIZE < / span > < span class = cF0 > / < / span > < span class = cFE > 4 < / span > < span class = cF0 > & amp ; ~ < / span > < span class = cFE > 3 < / span > < span class = cF0 > ;
< a name = " l122 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( bd - & gt ; max_reads & lt ; < / span > < span class = cFE > 128 < / span > < span class = cF0 > )
< a name = " l123 " > < / a > bd - & gt ; max_reads = < / span > < span class = cFE > 128 < / span > < span class = cF0 > ;
< a name = " l124 " > < / a > bd - & gt ; max_writes = < / span > < span class = cFE > 0xFFFF < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > ;
< a name = " l125 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( res = < / span > < span class = cFD > AHCIAtaInit < / span > < span class = cF7 > ( < / span > < span class = cF0 > bd < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l126 " > < / a > drive - & gt ; size = bd - & gt ; max_blk + < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l127 " > < / a > < / span > < span class = cF1 > break < / span > < span class = cF0 > ;
< a name = " l128 " > < / a > }
< a name = " l129 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( res & amp ; & amp ; bd - & gt ; flags & amp ; < / span > < span class = cF3 > BDF_READ_CACHE < / span > < span class = cF0 > )
< a name = " l130 " > < / a > < / span > < span class = cF5 > DiskCacheInvalidate < / span > < span class = cF0 > ( drive ) ;
< a name = " l131 " > < / a > bd - & gt ; flags & amp ; = ~ < / span > < span class = cF3 > BDF_INIT_IN_PROGRESS < / span > < span class = cF0 > ;
< a name = " l132 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l133 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l134 " > < / a > res = < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > ;
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< a name = " l135 " > < / a >
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< a name = " l136 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > res ;
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< a name = " l137 " > < / a > }
< a name = " l138 " > < / a >
< a name = " l139 " > < / a > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > BlkDevsRelease < / span > < span class = cF0 > ( )
< a name = " l140 " > < / a > { < / span > < span class = cF2 > //When task dies, release all owned BlkDevs.</span><span class=cF0>
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< a name = " l141 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > i ;
< a name = " l142 " > < / a > < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * bd ;
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< a name = " l143 " > < / a >
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< a name = " l144 " > < / a > < / span > < span class = cF1 > for < / span > < span class = cF0 > ( i = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ; i & lt ; < / span > < span class = cF3 > BLKDEVS_NUM < / span > < span class = cF0 > ; i + + )
< a name = " l145 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l146 " > < / a > bd = & amp ; < / span > < span class = cFB > blkdev < / span > < span class = cF0 > . blkdevs [ i ] ;
< a name = " l147 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( bd - & gt ; owning_task = = < / span > < span class = cF5 > Fs < / span > < span class = cF0 > & amp ; & amp ; bd - & gt ; bd_signature = = < / span > < span class = cF3 > BD_SIGNATURE_VAL < / span > < span class = cF0 > )
< a name = " l148 " > < / a > < / span > < span class = cF5 > BlkDevUnlock < / span > < span class = cF0 > ( bd , < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > ) ;
< a name = " l149 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
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< a name = " l150 " > < / a > }
< a name = " l151 " > < / a >
< a name = " l152 " > < / a > < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * < / span > < span class = cF5 > BlkDevNextFreeSlot < / span > < span class = cF0 > ( < / span > < span class = cF1 > U8 < / span > < span class = cF0 > first_drive_let , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > type )
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< a name = " l153 " > < / a > { < / span > < span class = cF2 > //Locate free slot for new BlkDev, like during </span><a href="https://tomawezome.github.io/ZealOS/System/BlkDev/Mount.html#l235"><span class=cF4>Mount</span></a><span class=cF2>().</span><span class=cF0>
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< a name = " l154 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > i = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
< a name = " l155 " > < / a > < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * res ;
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< a name = " l156 " > < / a >
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< a name = " l157 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( < / span > < span class = cF5 > Letter2BlkDevType < / span > < span class = cF7 > ( < / span > < span class = cF0 > first_drive_let < / span > < span class = cF7 > ) < / span > < span class = cF0 > ! = type )
< a name = " l158 " > < / a > < / span > < span class = cF5 > throw < / span > < span class = cF0 > ( < / span > < span class = cF6 > ' BlkDev ' < / span > < span class = cF0 > ) ;
< a name = " l159 " > < / a > < / span > < span class = cF1 > do < / span > < span class = cF0 >
< a name = " l160 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l161 " > < / a > res = & amp ; < / span > < span class = cFB > blkdev < / span > < span class = cF0 > . blkdevs [ i ] ;
< a name = " l162 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( res - & gt ; bd_signature ! = < / span > < span class = cF3 > BD_SIGNATURE_VAL < / span > < span class = cF0 > )
< a name = " l163 " > < / a > {
< a name = " l164 " > < / a > < / span > < span class = cF5 > MemSet < / span > < span class = cF0 > ( res , < / span > < span class = cFE > 0 < / span > < span class = cF0 > , < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CBlkDev < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
< a name = " l165 " > < / a > res - & gt ; first_drive_let = first_drive_let ;
< a name = " l166 " > < / a > res - & gt ; type = type ;
< a name = " l167 " > < / a > res - & gt ; flags = < / span > < span class = cF3 > BDF_READ_CACHE < / span > < span class = cF0 > ;
< a name = " l168 " > < / a > res - & gt ; blk_size = < / span > < span class = cF3 > BLK_SIZE < / span > < span class = cF0 > ;
< a name = " l169 " > < / a > res - & gt ; max_blk = < / span > < span class = cFE > 0xEFFFFFFF < / span > < span class = cF0 > ;
< a name = " l170 " > < / a > < / span > < span class = cF1 > switch < / span > < span class = cF0 > ( type )
< a name = " l171 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l172 " > < / a > < / span > < span class = cF1 > case < / span > < span class = cF0 > < / span > < span class = cF3 > BDT_RAM < / span > < span class = cF0 > :
< a name = " l173 " > < / a > res - & gt ; flags & amp ; = ~ < / span > < span class = cF3 > BDF_READ_CACHE < / span > < span class = cF0 > ;
< a name = " l174 " > < / a > < / span > < span class = cF1 > break < / span > < span class = cF0 > ;
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< a name = " l175 " > < / a >
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< a name = " l176 " > < / a > < / span > < span class = cF1 > case < / span > < span class = cF0 > < / span > < span class = cF3 > BDT_ISO_FILE_READ < / span > < span class = cF0 > :
< a name = " l177 " > < / a > res - & gt ; flags | = < / span > < span class = cF3 > BDF_READ_ONLY < / span > < span class = cF0 > ;
< a name = " l178 " > < / a > < / span > < span class = cF1 > break < / span > < span class = cF0 > ;
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< a name = " l179 " > < / a >
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< a name = " l180 " > < / a > < / span > < span class = cF1 > case < / span > < span class = cF0 > < / span > < span class = cF3 > BDT_ATAPI < / span > < span class = cF0 > :
< a name = " l181 " > < / a > res - & gt ; flags | = < / span > < span class = cF3 > BDF_REMOVABLE < / span > < span class = cF0 > | < / span > < span class = cF3 > BDF_READ_ONLY < / span > < span class = cF0 > ;
< a name = " l182 " > < / a > res - & gt ; blk_size = < / span > < span class = cF3 > DVD_BLK_SIZE < / span > < span class = cF0 > ;
< a name = " l183 " > < / a > < / span > < span class = cF1 > break < / span > < span class = cF0 > ;
< a name = " l184 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l185 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > res ;
< a name = " l186 " > < / a > }
< a name = " l187 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l188 " > < / a > < / span > < span class = cF1 > while < / span > < span class = cF0 > ( + + i & lt ; < / span > < span class = cF3 > BLKDEVS_NUM < / span > < span class = cF0 > ) ;
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< a name = " l189 " > < / a >
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< a name = " l190 " > < / a > < / span > < span class = cF5 > throw < / span > < span class = cF0 > ( < / span > < span class = cF6 > ' BlkDev ' < / span > < span class = cF0 > ) ;
< a name = " l191 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF3 > NULL < / span > < span class = cF0 > ; < / span > < span class = cF2 > //never gets here</span><span class=cF0>
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< a name = " l192 " > < / a > }
< a name = " l193 " > < / a >
< a name = " l194 " > < / a > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > BlkDevDel < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * bd )
< a name = " l195 " > < / a > { < / span > < span class = cF2 > //Delete BlkDev</span><span class=cF0>
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< a name = " l196 " > < / a > < / span > < span class = cFD > DriveBlkDevDel < / span > < span class = cF0 > ( bd ) ;
< a name = " l197 " > < / a > < / span > < span class = cF5 > FClose < / span > < span class = cF0 > ( bd - & gt ; file_disk ) ;
< a name = " l198 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( bd - & gt ; file_disk_name ) ;
< a name = " l199 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( bd - & gt ; dev_id_record ) ;
< a name = " l200 " > < / a > < / span > < span class = cF5 > MemSet < / span > < span class = cF0 > ( bd , < / span > < span class = cFE > 0 < / span > < span class = cF0 > , < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CBlkDev < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
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< a name = " l201 " > < / a > }
< a name = " l202 " > < / a >
< a name = " l203 " > < / a > < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * < / span > < span class = cF5 > BlkDevCheck < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * bd , < / span > < span class = cF1 > Bool < / span > < span class = cF0 > except = < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > )
< a name = " l204 " > < / a > { < / span > < span class = cF2 > //Check for valid BlkDev. Throw exception.</span><span class=cF0>
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< a name = " l205 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! bd | | bd - & gt ; bd_signature ! = < / span > < span class = cF3 > BD_SIGNATURE_VAL < / span > < span class = cF0 > | | ! < / span > < span class = cF7 > ( < / span > < span class = cF3 > BDT_NULL < / span > < span class = cF0 > & lt ; bd - & gt ; type & lt ; < / span > < span class = cF3 > BDT_TYPES_NUM < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l206 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l207 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( except )
< a name = " l208 " > < / a > < / span > < span class = cF5 > throw < / span > < span class = cF0 > ( < / span > < span class = cF6 > ' BlkDev ' < / span > < span class = cF0 > ) ;
< a name = " l209 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l210 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF3 > NULL < / span > < span class = cF0 > ;
< a name = " l211 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l212 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l213 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > bd ;
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< a name = " l214 " > < / a > }
< a name = " l215 " > < / a >
< a name = " l216 " > < / a > < / span > < span class = cF9 > CBlkDev < / span > < span class = cF0 > * < / span > < span class = cF5 > Letter2BlkDev < / span > < span class = cF0 > ( < / span > < span class = cF1 > U8 < / span > < span class = cF0 > drv_let = < / span > < span class = cFE > 0 < / span > < span class = cF0 > , < / span > < span class = cF1 > Bool < / span > < span class = cF0 > except = < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > )
< a name = " l217 " > < / a > { < / span > < span class = cF2 > //Drive letter to BlkDev ptr.</span><span class=cF0>
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< a name = " l218 " > < / a > < / span > < span class = cF9 > CDrive < / span > < span class = cF0 > * drive ;
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< a name = " l219 " > < / a >
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< a name = " l220 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( drive = < / span > < span class = cF5 > Letter2Drive < / span > < span class = cF7 > ( < / span > < span class = cF0 > drv_let , except < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l221 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF5 > BlkDevCheck < / span > < span class = cF0 > ( drive - & gt ; bd , except ) ;
< a name = " l222 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l223 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF3 > NULL < / span > < span class = cF0 > ;
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< a name = " l224 " > < / a > }
< / span > < / pre > < / body >
< / html >
