RALOCK01 ;HCIOFO/SG - INTERNAL LOCK UTILITIES ; 5/14/08 3:22pm
 ;;5.0;Radiology/Nuclear Medicine;**90**;Mar 16, 1998;Build 20
 ;
 ; Entry points of this routine use the ^XTMP("RALOCK",...) global
 ; nodes to store lock descriptors (see ^RALOCK routine for details).
 ;
 Q
 ;
 ;***** DELETES STRAY LOCK DESCRIPTORS
 ;
 ; NOTE: This is a service procedure. Do not call it from
 ;       regular applications!
 ;
PURGE() ;
 N NDX,NODE
 S NDX=0
 F  S NDX=$O(^XTMP("RALOCK",NDX))  Q:$E(NDX,1)'="^"  D
 . S NODE=$S(NDX["(":NDX_")",1:NDX)
 . D LOCK^DILF(NODE)  E  Q
 . K ^XTMP("RALOCK",NDX)  L -@NODE
 Q
 ;
 ;+++++ FINDS THE LOCK DESCRIPTOR FOR THE GLOBAL NODE(S)
 ;
 ; NOTE: This is an internal entry point. Do not call it from
 ;       any routines except RALOCK and RALOCK01
 ;
LDSC(NODELIST) ;
 N DESCR,IENS,L,NDX,NODE,RAMSG,SP,TMP
 S:$D(NODELIST)<10 NODELIST(NODELIST)=""
 S (DESCR,NODE)=""
 F  S NODE=$O(NODELIST(NODE))  Q:NODE=""  D
 . ;--- The Node itself
 . S SP=$$XLNDX(NODE),TMP=$G(^XTMP("RALOCK",SP))
 . S:TMP>DESCR DESCR=TMP
 . ;--- Left Siblings and Ancestors
 . S NDX=SP
 . F  S NDX=$O(^XTMP("RALOCK",NDX),-1),L=$L(NDX)  Q:(NDX="")!(NDX'=$E(SP,1,L))  D
 . . S TMP=$G(^XTMP("RALOCK",NDX))  S:TMP>DESCR DESCR=TMP
 . ;--- Right Siblings and Descendants
 . S NDX=SP,L=$L(SP)
 . F  S NDX=$O(^XTMP("RALOCK",NDX))  Q:(NDX="")!($E(NDX,1,L)'=SP)  D
 . . S TMP=$G(^XTMP("RALOCK",NDX))  S:TMP>DESCR DESCR=TMP
 ;--- Prepare the lock descriptor
 S:'DESCR $P(DESCR,U)=$$NOW^XLFDT
 D:$P(DESCR,U,3)>0
 . S IENS=+$P(DESCR,U,3)_","
 . S $P(DESCR,U,2)=$$GET1^DIQ(200,IENS,.01,,,"RAMSG")  ; User Name
 S:$P(DESCR,U,2)="" $P(DESCR,U,2)="UNKNOWN"
 Q $P(DESCR,U,1,5)
 ;
 ;+++++ LOCKS THE SINGLE NODE
 ;
 ; NOTE: This is an internal entry point. Do not call it from
 ;       any routines except RALOCK and RALOCK01
 ;
LOCK1(FILE,IENS,FIELD,TO,NAME,FLAGS) ;
 N DESCR,NDX,NODE,TMP
 S NODE=$$NODE(FILE,IENS,FIELD)
 Q:NODE<0 NODE
 ;--- Try to lock the object
 I FLAGS'["D"  L +@NODE:TO  E  Q $$LDSC(NODE)
 ;--- Create the lock descriptor
 S DESCR=$$NOW^XLFDT_U_NAME_U_U_$JOB_U_$G(ZTSK)
 S:NAME="" $P(DESCR,U,3)=$G(DUZ)
 ;--- Calculate the lock counter
 S NDX=$$XLNDX(NODE),TMP=$G(^XTMP("RALOCK",NDX))
 S $P(DESCR,U,6)=$S($P(TMP,U,4)=$JOB:$P(TMP,U,6)+1,1:1)
 ;--- Store the descriptor
 S ^XTMP("RALOCK",NDX)=DESCR
 Q 0
 ;
 ;+++++ RETURNS THE GLOBAL NODE OF THE OBJECT
 ;
 ; FILE          File/subfile number
 ; IENS          IENS of the record or subfile
 ; FIELD         Field number
 ;
 ; Return Values:
 ;       <0  Error code
 ;           Closed root
 ;
 ; NOTE: This is an internal entry point. Do not call it from
 ;       any routines except RALOCK and RALOCK01
 ;
NODE(FILE,IENS,FIELD) ;
 N FGL,IEN,NODE,RAMSG,RC
 I IENS'=""  Q:'$$VALIENS^RAUTL22(IENS,"S") $$IPVE^RAERR("IENS")
 S IEN=+IENS
 I IEN  S $P(IENS,",")=""  S:IENS="," IENS=""
 ;--- Closed root of the (sub)file
 S NODE=$$ROOT^DILFD(FILE,IENS,1)
 I NODE=""  D  Q RC
 . S RC=$$ERROR^RAERR(-50,,FILE,IENS)
 Q:'IEN NODE
 ;--- The record node
 S NODE=$NA(@NODE@(IEN))
 Q:'FIELD NODE
 ;--- Field node
 S FGL=$$GET1^DID(FILE,FIELD,,"GLOBAL SUBSCRIPT LOCATION",,"RAMSG")
 I $G(DIERR)  D  Q RC
 . S RC=$$DBS^RAERR("RAMSG",-9,FILE)
 S:$P(FGL,";")'="" NODE=$NA(@NODE@($P(FGL,";")))
 Q NODE
 ;
 ;+++++ COMPILES THE LIST OF GLOBAL NODES
 ;
 ; NOTE: This is an internal entry point. Do not call it from
 ;       any routines except RALOCK and RALOCK01
 ;
NODELIST(NODELIST,FILE,IENS,FIELD) ;
 N NODE,PI,RC  K NODELIST
 S NODELIST="",RC=0
 ;--- Main object
 I $G(FILE)>0  D  Q:RC<0 RC
 . S NODE=$$NODE(FILE,IENS,FIELD)
 . I NODE<0  S RC=+NODE  Q
 . S NODELIST=NODELIST_","_NODE
 . S NODELIST(NODE)=""
 ;--- Linked objects
 S PI="FILE"
 F  S PI=$Q(@PI)  Q:PI=""  D  Q:RC<0
 . S NODE=$$NODE($QS(PI,1),$QS(PI,2),$QS(PI,3))
 . I NODE<0  S RC=+NODE  Q
 . S NODELIST=NODELIST_","_NODE
 . S NODELIST(NODE)=""
 Q:RC<0 RC
 ;---
 S NODELIST=$P(NODELIST,",",2,999)
 Q RC
 ;
 ;+++++ UNLOCKS THE SINGLE NODE
 ;
 ; NOTE: This is an internal entry point. Do not call it from
 ;       any routines except RALOCK and RALOCK01
 ;
UNLOCK1(FILE,IENS,FIELD) ;
 N DESCR,NDX,NODE
 S NODE=$$NODE(FILE,IENS,FIELD)
 Q:NODE<0 NODE
 ;--- Remove the lock descriptor
 S NDX=$$XLNDX(NODE),DESCR=$G(^XTMP("RALOCK",NDX))
 D:$P(DESCR,U,4)=$JOB
 . I $P(DESCR,U,6)>1  D
 . . S $P(^XTMP("RALOCK",NDX),U,6)=$P(DESCR,U,6)-1
 . E  K ^XTMP("RALOCK",NDX)
 ;--- Unlock the object
 L -@NODE
 Q 0
 ;
 ;+++++ RETURNS SUBSCRIPT OF THE NODE IN THE DESCRIPTOR TABLE
 ;
 ; NOTE: This is an internal entry point. Do not call it from
 ;       any routines except RALOCK and RALOCK01
 ;
XLNDX(NODE) ;
 N L  S L=$L(NODE)
 Q $S($E(NODE,L)=")":$E(NODE,1,L-1),1:NODE)
 
--- Routine Detail   --- with STRUCTURED ROUTINE LISTING ---[H[J[2J[HRALOCK01   4801     printed  Sep 23, 2025@20:12:44                                                                                                                                                                                                    Page 2
RALOCK01  ;HCIOFO/SG - INTERNAL LOCK UTILITIES ; 5/14/08 3:22pm
 +1       ;;5.0;Radiology/Nuclear Medicine;**90**;Mar 16, 1998;Build 20
 +2       ;
 +3       ; Entry points of this routine use the ^XTMP("RALOCK",...) global
 +4       ; nodes to store lock descriptors (see ^RALOCK routine for details).
 +5       ;
 +6        QUIT 
 +7       ;
 +8       ;***** DELETES STRAY LOCK DESCRIPTORS
 +9       ;
 +10      ; NOTE: This is a service procedure. Do not call it from
 +11      ;       regular applications!
 +12      ;
PURGE()   ;
 +1        NEW NDX,NODE
 +2        SET NDX=0
 +3        FOR 
               SET NDX=$ORDER(^XTMP("RALOCK",NDX))
               if $EXTRACT(NDX,1)'="^"
                   QUIT 
               Begin DoDot:1
 +4                SET NODE=$SELECT(NDX["(":NDX_")",1:NDX)
 +5                DO LOCK^DILF(NODE)
                  IF '$TEST
                       QUIT 
 +6                KILL ^XTMP("RALOCK",NDX)
                   LOCK -@NODE
               End DoDot:1
 +7        QUIT 
 +8       ;
 +9       ;+++++ FINDS THE LOCK DESCRIPTOR FOR THE GLOBAL NODE(S)
 +10      ;
 +11      ; NOTE: This is an internal entry point. Do not call it from
 +12      ;       any routines except RALOCK and RALOCK01
 +13      ;
LDSC(NODELIST) ;
 +1        NEW DESCR,IENS,L,NDX,NODE,RAMSG,SP,TMP
 +2        if $DATA(NODELIST)<10
               SET NODELIST(NODELIST)=""
 +3        SET (DESCR,NODE)=""
 +4        FOR 
               SET NODE=$ORDER(NODELIST(NODE))
               if NODE=""
                   QUIT 
               Begin DoDot:1
 +5       ;--- The Node itself
 +6                SET SP=$$XLNDX(NODE)
                   SET TMP=$GET(^XTMP("RALOCK",SP))
 +7                if TMP>DESCR
                       SET DESCR=TMP
 +8       ;--- Left Siblings and Ancestors
 +9                SET NDX=SP
 +10               FOR 
                       SET NDX=$ORDER(^XTMP("RALOCK",NDX),-1)
                       SET L=$LENGTH(NDX)
                       if (NDX="")!(NDX'=$EXTRACT(SP,1,L))
                           QUIT 
                       Begin DoDot:2
 +11                       SET TMP=$GET(^XTMP("RALOCK",NDX))
                           if TMP>DESCR
                               SET DESCR=TMP
                       End DoDot:2
 +12      ;--- Right Siblings and Descendants
 +13               SET NDX=SP
                   SET L=$LENGTH(SP)
 +14               FOR 
                       SET NDX=$ORDER(^XTMP("RALOCK",NDX))
                       if (NDX="")!($EXTRACT(NDX,1,L)'=SP)
                           QUIT 
                       Begin DoDot:2
 +15                       SET TMP=$GET(^XTMP("RALOCK",NDX))
                           if TMP>DESCR
                               SET DESCR=TMP
                       End DoDot:2
               End DoDot:1
 +16      ;--- Prepare the lock descriptor
 +17       if 'DESCR
               SET $PIECE(DESCR,U)=$$NOW^XLFDT
 +18       if $PIECE(DESCR,U,3)>0
               Begin DoDot:1
 +19               SET IENS=+$PIECE(DESCR,U,3)_","
 +20      ; User Name
                   SET $PIECE(DESCR,U,2)=$$GET1^DIQ(200,IENS,.01,,,"RAMSG")
               End DoDot:1
 +21       if $PIECE(DESCR,U,2)=""
               SET $PIECE(DESCR,U,2)="UNKNOWN"
 +22       QUIT $PIECE(DESCR,U,1,5)
 +23      ;
 +24      ;+++++ LOCKS THE SINGLE NODE
 +25      ;
 +26      ; NOTE: This is an internal entry point. Do not call it from
 +27      ;       any routines except RALOCK and RALOCK01
 +28      ;
LOCK1(FILE,IENS,FIELD,TO,NAME,FLAGS) ;
 +1        NEW DESCR,NDX,NODE,TMP
 +2        SET NODE=$$NODE(FILE,IENS,FIELD)
 +3        if NODE<0
               QUIT NODE
 +4       ;--- Try to lock the object
 +5        IF FLAGS'["D"
               LOCK +@NODE:TO
              IF '$TEST
                   QUIT $$LDSC(NODE)
 +6       ;--- Create the lock descriptor
 +7        SET DESCR=$$NOW^XLFDT_U_NAME_U_U_$JOB_U_$G(ZTSK)
 +8        if NAME=""
               SET $PIECE(DESCR,U,3)=$GET(DUZ)
 +9       ;--- Calculate the lock counter
 +10       SET NDX=$$XLNDX(NODE)
           SET TMP=$GET(^XTMP("RALOCK",NDX))
 +11       SET $PIECE(DESCR,U,6)=$SELECT($PIECE(TMP,U,4)=$JOB:$PIECE(TMP,U,6)+1,1:1)
 +12      ;--- Store the descriptor
 +13       SET ^XTMP("RALOCK",NDX)=DESCR
 +14       QUIT 0
 +15      ;
 +16      ;+++++ RETURNS THE GLOBAL NODE OF THE OBJECT
 +17      ;
 +18      ; FILE          File/subfile number
 +19      ; IENS          IENS of the record or subfile
 +20      ; FIELD         Field number
 +21      ;
 +22      ; Return Values:
 +23      ;       <0  Error code
 +24      ;           Closed root
 +25      ;
 +26      ; NOTE: This is an internal entry point. Do not call it from
 +27      ;       any routines except RALOCK and RALOCK01
 +28      ;
NODE(FILE,IENS,FIELD) ;
 +1        NEW FGL,IEN,NODE,RAMSG,RC
 +2        IF IENS'=""
               if '$$VALIENS^RAUTL22(IENS,"S")
                   QUIT $$IPVE^RAERR("IENS")
 +3        SET IEN=+IENS
 +4        IF IEN
               SET $PIECE(IENS,",")=""
               if IENS=","
                   SET IENS=""
 +5       ;--- Closed root of the (sub)file
 +6        SET NODE=$$ROOT^DILFD(FILE,IENS,1)
 +7        IF NODE=""
               Begin DoDot:1
 +8                SET RC=$$ERROR^RAERR(-50,,FILE,IENS)
               End DoDot:1
               QUIT RC
 +9        if 'IEN
               QUIT NODE
 +10      ;--- The record node
 +11       SET NODE=$NAME(@NODE@(IEN))
 +12       if 'FIELD
               QUIT NODE
 +13      ;--- Field node
 +14       SET FGL=$$GET1^DID(FILE,FIELD,,"GLOBAL SUBSCRIPT LOCATION",,"RAMSG")
 +15       IF $GET(DIERR)
               Begin DoDot:1
 +16               SET RC=$$DBS^RAERR("RAMSG",-9,FILE)
               End DoDot:1
               QUIT RC
 +17       if $PIECE(FGL,";")'=""
               SET NODE=$NAME(@NODE@($PIECE(FGL,";")))
 +18       QUIT NODE
 +19      ;
 +20      ;+++++ COMPILES THE LIST OF GLOBAL NODES
 +21      ;
 +22      ; NOTE: This is an internal entry point. Do not call it from
 +23      ;       any routines except RALOCK and RALOCK01
 +24      ;
NODELIST(NODELIST,FILE,IENS,FIELD) ;
 +1        NEW NODE,PI,RC
           KILL NODELIST
 +2        SET NODELIST=""
           SET RC=0
 +3       ;--- Main object
 +4        IF $GET(FILE)>0
               Begin DoDot:1
 +5                SET NODE=$$NODE(FILE,IENS,FIELD)
 +6                IF NODE<0
                       SET RC=+NODE
                       QUIT 
 +7                SET NODELIST=NODELIST_","_NODE
 +8                SET NODELIST(NODE)=""
               End DoDot:1
               if RC<0
                   QUIT RC
 +9       ;--- Linked objects
 +10       SET PI="FILE"
 +11       FOR 
               SET PI=$QUERY(@PI)
               if PI=""
                   QUIT 
               Begin DoDot:1
 +12               SET NODE=$$NODE($QSUBSCRIPT(PI,1),$QSUBSCRIPT(PI,2),$QSUBSCRIPT(PI,3))
 +13               IF NODE<0
                       SET RC=+NODE
                       QUIT 
 +14               SET NODELIST=NODELIST_","_NODE
 +15               SET NODELIST(NODE)=""
               End DoDot:1
               if RC<0
                   QUIT 
 +16       if RC<0
               QUIT RC
 +17      ;---
 +18       SET NODELIST=$PIECE(NODELIST,",",2,999)
 +19       QUIT RC
 +20      ;
 +21      ;+++++ UNLOCKS THE SINGLE NODE
 +22      ;
 +23      ; NOTE: This is an internal entry point. Do not call it from
 +24      ;       any routines except RALOCK and RALOCK01
 +25      ;
UNLOCK1(FILE,IENS,FIELD) ;
 +1        NEW DESCR,NDX,NODE
 +2        SET NODE=$$NODE(FILE,IENS,FIELD)
 +3        if NODE<0
               QUIT NODE
 +4       ;--- Remove the lock descriptor
 +5        SET NDX=$$XLNDX(NODE)
           SET DESCR=$GET(^XTMP("RALOCK",NDX))
 +6        if $PIECE(DESCR,U,4)=$JOB
               Begin DoDot:1
 +7                IF $PIECE(DESCR,U,6)>1
                       Begin DoDot:2
 +8                        SET $PIECE(^XTMP("RALOCK",NDX),U,6)=$PIECE(DESCR,U,6)-1
                       End DoDot:2
 +9               IF '$TEST
                       KILL ^XTMP("RALOCK",NDX)
               End DoDot:1
 +10      ;--- Unlock the object
 +11       LOCK -@NODE
 +12       QUIT 0
 +13      ;
 +14      ;+++++ RETURNS SUBSCRIPT OF THE NODE IN THE DESCRIPTOR TABLE
 +15      ;
 +16      ; NOTE: This is an internal entry point. Do not call it from
 +17      ;       any routines except RALOCK and RALOCK01
 +18      ;
XLNDX(NODE) ;
 +1        NEW L
           SET L=$LENGTH(NODE)
 +2        QUIT $SELECT($EXTRACT(NODE,L)=")":$EXTRACT(NODE,1,L-1),1:NODE)