91 lines
2.2 KiB
OpenEdge ABL
91 lines
2.2 KiB
OpenEdge ABL
IFND EXEC_TASKS_I
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EXEC_TASKS_I SET 1
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**
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** $Filename: exec/tasks.i $
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** $Release: 1.3 $
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**
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**
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**
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** (C) Copyright 1985,1986,1987,1988 Commodore-Amiga, Inc.
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** All Rights Reserved
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**
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IFND EXEC_NODES_I
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INCLUDE "exec/nodes.i"
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ENDC ; EXEC_NODES_I
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IFND EXEC_LISTS_I
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INCLUDE "exec/lists.i"
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ENDC ; EXEC_LISTS_I
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*----------------------------------------------------------------
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*
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* Task Control Structure
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*
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*----------------------------------------------------------------
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STRUCTURE TC,LN_SIZE
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UBYTE TC_FLAGS
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UBYTE TC_STATE
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BYTE TC_IDNESTCNT * intr disabled nesting
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BYTE TC_TDNESTCNT * task disabled nesting
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ULONG TC_SIGALLOC * sigs allocated
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ULONG TC_SIGWAIT * sigs we are waiting for
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ULONG TC_SIGRECVD * sigs we have received
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ULONG TC_SIGEXCEPT * sigs we take as exceptions
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UWORD TC_TRAPALLOC * traps allocated
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UWORD TC_TRAPABLE * traps enabled
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APTR TC_EXCEPTDATA * data for except proc
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APTR TC_EXCEPTCODE * exception procedure
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APTR TC_TRAPDATA * data for proc trap proc
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APTR TC_TRAPCODE * proc trap procedure
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APTR TC_SPREG * stack pointer
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APTR TC_SPLOWER * stack lower bound
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APTR TC_SPUPPER * stack upper bound + 2
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APTR TC_SWITCH * task losing CPU
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APTR TC_LAUNCH * task getting CPU
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STRUCT TC_MEMENTRY,LH_SIZE * allocated memory
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APTR TC_Userdata
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LABEL TC_SIZE
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*------ Flag Bits:
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BITDEF T,PROCTIME,0
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BITDEF T,STACKCHK,4
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BITDEF T,EXCEPT,5
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BITDEF T,SWITCH,6
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BITDEF T,LAUNCH,7
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*------ Task States:
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TS_INVALID EQU 0
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TS_ADDED EQU TS_INVALID+1
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TS_RUN EQU TS_ADDED+1
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TS_READY EQU TS_RUN+1
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TS_WAIT EQU TS_READY+1
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TS_EXCEPT EQU TS_WAIT+1
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TS_REMOVED EQU TS_EXCEPT+1
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*------ System Task Signals:
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SIGF_ABORT EQU $0001
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SIGF_CHILD EQU $0002
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SIGF_BLIT EQU $0010
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SIGF_SINGLE EQU $0010
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SIGF_DOS EQU $0100
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SIGB_ABORT EQU 0
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SIGB_CHILD EQU 1
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SIGB_BLIT EQU 4
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SIGB_SINGLE EQU 4
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SIGB_DOS EQU 8
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SYS_SIGALLOC EQU $0FFFF ; pre-allocated signals
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SYS_TRAPALLOC EQU $08000 ; pre-allocated traps
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ENDC ; EXEC_TASKS_I
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