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Prolog Control Block Contents LKWRD DSECT Storage Layout Cross Reference (Contains links to field and bit definitions) |
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LKWRD Prolog | Top of page |
NAME : HCPLKWRD DESCRIPTION: Defer-lock "lockword" DSECT : LKWRD FUNCTION : The lockword the means of serializing deferrable requests for access to a group of data by different tasks. LOCATED BY : Various lockwords to protect specific classes of data exist inside other control blocks and data areas (VMDBK, SYSCM, HCPRCC, etc.) CREATED BY : none (lockwords are static, or are "created" within other dynamically created blocks e.g., the VMDBK). DELETED BY : none (lockwords are static, or are "deleted" within other dynamically deleted blocks. RELOCATION CONSIDERATIONS : None |
LKWRD Control Block Content | Top of page |
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LKWRD Storage Layout | Top of page |
*** LKWRD - Defer-lock "lockword" * * +---------------------------+---------------------------+ * 0 | LKWSTATE | LKWQUEUE | * +---------------------------+---------------------------+ * 8 | LKWQQTOD | * +------+--------------------+---------------------------+ * 10 |:FLG1 | LKWDQLEN | LKWDYTOD | * +------+--------------------+---------------------------+ * 18 * *** LKWRD - Defer-lock "lockword" *** Overlay for LKWSTATE in LKWRD * * +--------------------+------+ * 0 |////////////////////|:STAT4| 4 * +--------------------+------+ * *** Overlay for LKWSTATE in LKWRD |
LKWRD Cross Reference | Top of page |
Symbol Dspl Value -------------- ---- ----- LKWCSWAP 0000 LKWDQLEN 0011 LKWDYTOD 0014 LKWEXCL 0003 01 LKWFLG1 0010 LKWLTLK 0010 80 LKWQQTOD 0008 LKWQUEUE 0004 LKWRDSIZ 0014 00000003 LKWSTATE 0000 LKWSTAT4 0003 |
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