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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-> lock_fwding)
< a name = "l6" > < / a > bd = bd-> 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 > & bd-> locked_flags, < / span > < span class = cF3 > BDlf_LOCKED< / span > < span class = cF7 > )< / span > < span class = cF0 > || bd-> 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 > & bd-> 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-> 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-> lock_fwding)
< a name = "l25" > < / a > bd = bd-> 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 > & bd-> locked_flags, < / span > < span class = cF3 > BDlf_LOCKED< / span > < span class = cF7 > )< / span > < span class = cF0 > & & bd-> 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-> flags & = ~(< / 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-> owning_task = < / span > < span class = cF3 > NULL< / span > < span class = cF0 > ;
< a name = "l32" > < / a > < / span > < span class = cF5 > LBtr< / span > < span class = cF0 > (& bd-> 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-> 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 > & bd-> 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-> 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-> 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-> RAM_disk)
< a name = "l54" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
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< a name = "l55" > < / a > bd-> RAM_disk = < / span > < span class = cF5 > SysMAlloc< / span > < span class = cF0 > (< / span > < span class = cF7 > (< / span > < span class = cF0 > bd-> max_blk + < / span > < span class = cFE > 1< / span > < span class = cF7 > )< / span > < span class = cF0 > < < < / span > < span class = cF3 > BLK_SIZE_BITS< / span > < span class = cF0 > );
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< a name = "l56" > < / a > bd-> max_blk = < / span > < span class = cF5 > MSize< / span > < span class = cF0 > (bd-> RAM_disk) > > < / 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-> fs_type = < / span > < span class = cF3 > FSt_REDSEA< / span > < span class = cF0 > ;
< a name = "l59" > < / a > drive-> size = bd-> max_blk + < / span > < span class = cFE > 1< / span > < span class = cF0 > - bd-> 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-> 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-> 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-> file_disk_name, & 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-> max_blk = de.size > > < / 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-> file_disk = < / span > < span class = cF5 > FOpen< / span > < span class = cF0 > (bd-> file_disk_name, < / span > < span class = cF6 > " rc" < / span > < span class = cF0 > , bd-> 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 > -> 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 > " Not Contiguous. Move file to filename.ISO.C.\n" < / span > < span class = cF0 > );
< a name = "l77" > < / a > < / span > < span class = cF5 > Fs< / span > < span class = cF0 > -> 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-> file_disk)
< a name = "l80" > < / a > {
< a name = "l81" > < / a > drive-> fs_type = < / span > < span class = cF3 > FSt_REDSEA< / span > < span class = cF0 > ;
< a name = "l82" > < / a > drive-> size = bd-> max_blk + < / span > < span class = cFE > 1< / span > < span class = cF0 > - bd-> 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-> 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 > " Not RedSea\n" < / 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-> 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 > " %C:/Drive%C.ISO.C" < / span > < span class = cF0 > , < / span > < span class = cFB > blkdev< / span > < span class = cF0 > .boot_drive_let, bd-> first_drive_let);
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< a name = "l98" > < / a > bd-> file_disk_name = < / span > < span class = cF5 > SysStrNew< / span > < span class = cF0 > (buf);
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< 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-> max_blk < < / span > < span class = cFE > 7< / span > < span class = cF0 > )
< a name = "l101" > < / a > bd-> max_blk = < / span > < span class = cFE > 7< / span > < span class = cF0 > ;
< a name = "l102" > < / a > bd-> file_disk = < / span > < span class = cF5 > FOpen< / span > < span class = cF0 > (bd-> file_disk_name, < / span > < span class = cF6 > " wc" < / span > < span class = cF0 > , bd-> max_blk + < / span > < span class = cFE > 1< / span > < span class = cF0 > );
< a name = "l103" > < / a > drive-> fs_type = < / span > < span class = cF3 > FSt_REDSEA< / span > < span class = cF0 > ;
< a name = "l104" > < / a > drive-> size = bd-> max_blk + < / span > < span class = cFE > 1< / span > < span class = cF0 > - bd-> drv_offset;
< a name = "l105" > < / a > < / span > < span class = cFD > RedSeaFormat< / span > < span class = cF0 > (bd-> first_drive_let);
< a name = "l106" > < / a > < / span > < span class = cF5 > CallExtStr< / span > < span class = cF0 > (< / span > < span class = cF6 > " RedSeaISO9660" < / span > < span class = cF0 > , bd-> file_disk_name, bd-> 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-> max_reads = < / span > < span class = cFE > 128< / span > < span class = cF0 > ;
< a name = "l112" > < / a > bd-> 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-> 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-> 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 > )
< a name = "l121" > < / a > bd-> 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 > & ~< / span > < span class = cFE > 3< / span > < span class = cF0 > ;
< a name = "l122" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (bd-> max_reads < < / span > < span class = cFE > 128< / span > < span class = cF0 > )
< a name = "l123" > < / a > bd-> max_reads = < / span > < span class = cFE > 128< / span > < span class = cF0 > ;
< a name = "l124" > < / a > bd-> 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-> size = bd-> 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 & & bd-> flags & < / 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-> flags & = ~< / 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 < < / 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 = & < / 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-> owning_task == < / span > < span class = cF5 > Fs< / span > < span class = cF0 > & & bd-> 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://zeal-operating-system.github.io/ZealOS/System/BlkDev/Mount.CC.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 = & < / 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-> 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-> first_drive_let = first_drive_let;
< a name = "l166" > < / a > res-> type = type;
< a name = "l167" > < / a > res-> flags = < / span > < span class = cF3 > BDF_READ_CACHE< / span > < span class = cF0 > ;
< a name = "l168" > < / a > res-> blk_size = < / span > < span class = cF3 > BLK_SIZE< / span > < span class = cF0 > ;
< a name = "l169" > < / a > res-> 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-> flags & = ~< / 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-> 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-> 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-> 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 < < / 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-> file_disk);
< a name = "l198" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (bd-> file_disk_name);
< a name = "l199" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (bd-> 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-> 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 > < bd-> type < < / 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-> 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 >
