35 lines
1.5 KiB
Mathematica
35 lines
1.5 KiB
Mathematica
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%ZTLOAD6 ;SEA/RDS-TaskMan: P I: Dequeue ;12/29/94 16:02
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;;8.0;KERNEL;;JUL 10, 1995
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;
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INPUT ;check input parameters for error conditions
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I $D(ZTSK)[0 S ZTSK=""
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I $D(ZTSK)>1 S ZTLOAD=ZTSK K ZTSK S ZTSK=ZTLOAD K ZTLOAD
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I ZTSK<1!(ZTSK\1'=ZTSK) S ZTSK(0)=0 Q
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L +^%ZTSK(ZTSK)
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;
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D UNSCH
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QUIT ;cleanup & quit
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I $D(^%ZTSK(ZTSK)),$D(DUZ)#2,DUZ]"",$D(^VA(200,DUZ,0))#2 S $P(^%ZTSK(ZTSK,.1),U,1,3)="F^"_$H_U_$P(^VA(200,DUZ,0),U)
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L -^%ZTSK(ZTSK) S ZTSK(0)=1 K ZT,ZT1,ZT2,ZT3
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Q
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;
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UNSCH ;search ^%ZTSCH & unschedule task
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;Call with task locked.
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N ZT1,ZT2,ZT3
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S ZT1=0 F S ZT1=$O(^%ZTSCH(ZT1)) Q:'ZT1 I $D(^(ZT1,ZTSK)) S ZT2=$G(^(ZTSK)) K ^%ZTSCH(ZT1,ZTSK) I ZT2]"" S $P(^%ZTSK(ZTSK,.2),U)=ZT2
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L +^%ZTSCH("JOB"):15
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S ZT1="" F S ZT1=$O(^%ZTSCH("JOB",ZT1)) Q:ZT1="" I $D(^(ZT1,ZTSK)) K ^%ZTSCH("JOB",ZT1,ZTSK)
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L -^%ZTSCH("JOB"),+^%ZTSCH("IO"):15
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S ZT1="" F S ZT1=$O(^%ZTSCH("IO",ZT1)),ZT2="" Q:ZT1="" F S ZT2=$O(^%ZTSCH("IO",ZT1,ZT2)) Q:ZT2="" I $D(^(ZT2,ZTSK)) D DQ(ZT1,ZT2,ZTSK)
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L -^%ZTSCH("IO"),+^%ZTSCH("C"):15
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S ZT1="" F S ZT1=$O(^%ZTSCH("C",ZT1)),ZT2="" Q:ZT1="" F S ZT2=$O(^%ZTSCH("C",ZT1,ZT2)) Q:ZT2="" I $D(^(ZT2,ZTSK)) K ^%ZTSCH("C",ZT1,ZT2,ZTSK)
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L -^%ZTSCH("C"),+^%ZTSCH("LINK")
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S ZT1="" F S ZT1=$O(^%ZTSCH("LINK",ZT1)),ZT2="" Q:ZT1="" F S ZT2=$O(^%ZTSCH("LINK",ZT1,ZT2)) Q:ZT2="" I $D(^(ZT2,ZTSK)) K ^%ZTSCH("LINK",ZT1,ZT2,ZTSK)
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L -^%ZTSCH("LINK")
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Q
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;
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DQ(%ZTIO,ZTDTH,ZTSK) ;SEARCH--remove task from Device Waiting List
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L +^%ZTSCH("IO") D DQ^%ZTM4 L -^%ZTSCH("IO")
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Q
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;
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