Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
DCD
Control Block Contents
DCD DSECT
Cross Reference (Contains links to field and bit definitions)
DCD Prolog
NAME : STRUCPRA DSECT : DCD DESCRIPTION: Dispatch Class Descriptor FUNCTION : Describes a set of threads wherein only one may run at a time and wherein control loss among the members in the set is always voluntary
DCD Control Block Content
DCD DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DCD 0000 0 Dbl-Word 8 * (0) 0000 0 Address 4 DCD_NEXT next DCD 0004 4 Address 4 DCD_PREV previous DCD 0008 8 Address 4 DCD_RLTSD TSD on run list 000C 12 Signed 4 * Reserved 0010 16 Character 392 DCD_TSDLIST TSDs in class 00000198 DCD_SIZE *-DCD kernel run-time anchor block (one per thread) NAME : STRUCPRA DSECT : KRAB DESCRIPTION: Kernel run-time anchor block
DCD Storage Layout
*** DCD - Control Block in DCD * * +---------------------------+---------------------------+ * 0 | DCD_NEXT | DCD_PREV | * +---------------------------+---------------------------+ * 8 | DCD_RLTSD |///////////////////////////| * +---------------------------+---------------------------+ * 10 | | * = DCD_TSDLIST = * | | * +-------------------------------------------------------+ * 198 * *** DCD - Control Block in DCD
DCD Cross Reference
Symbol Dspl Value -------------- ---- ----- DCD_NEXT 0000 DCD_PREV 0004 DCD_RLTSD 0008 DCD_SIZE 0010 00000198 DCD_TSDLIST 0010
Last updated on 29 Jul 2003 at 07:34:14 EDT.
Copyright IBM Corporation, 1990, 2003