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AX = 2780h.CL = 04h (module:
Domains). CH = subfunction 00h "F_DAlloc" create new domain 01h "F_DFree" delete a domain 02h "X_DomHandleGetMy" get current domain handle 03h "F_DSet" switch to another domain 04h "Z_HandlerSWInt" install software-interrupt handler 05h "Z_HandlerPageFault" install page-fault handler 06h "Z_HandlerIOEx" install I/O exception handler 07h "Z_HandlerGenEx" install general exception handler 08h "Z_HandlerHWInt" install hardware interrupt handler 09h "Z_IOBitmapGet" get current domain's I/O bitmap entry 0Ah "Z_IOBitmapSet" set current domain's I/O bitmap entry 0Bh "Z_IOBitmapDomGet" get domain's I/O bitmap entry 0Ch "Z_IOBitmapDomSet" set domain's I/O bitmap entry 0Dh "Z_DomMemRead" read memory in another domain 0Eh "Z_DomMemWrite" write memory in another domain 0Fh "Z_PtblDomGet" read domain's page table 10h "Z_PtblDomSet" write domain's page table 11h "Z_InstanceSet" register instanced memory 12h "X_DomNProcessesGet" get number of processes in domain 13h "X_DomSuspend" suspend a domain 14h "Z_DomUnsuspend" resume execution of a domain 15h "Z_DomFork" make a copy of the current domain 16h "Z_DomTerm" terminate domain and all processes in it 17h "Z_HandlerUnlink" remove a handler 18h "Z_HandlerHWIntDflt" install default hardware interrupt handler 19h "Z_HandlerVHWInt" install virtual hardware interrupt handler 1Ah "Z_HandlerVHWIntDflt" install default virtual hware int handler 1Bh "Z_HandlerSwapIn" install swap-in handler 1Ch "Z_HandlerSwapOut" install swap-out handler 1Dh "Z_EndOfInterrupt" signal EOI 1Eh ??? 1Fh "Z_HandlerPCreate" install process-creation handler 20h "Z_HandlerPTerm" install process-termination handler 21h "Z_DomRootProcessGet" get domain's root process' handle 22h "F_DForeground" domain has just switched to foreground 23h "F_DBackground" domain has just switched to background 24h "F_MapHMA" map domain's HMA 25h "F_AddInstData" add DOS instance data 26h "X_DomMemFreeGet" get free memory in a domain 27h "X_DomMemUsedGet" get memory used by current domain 28h "Z_DomMemMaxGet" get per-domain memory limit 29h "Z_DomMemMaxSet" set per-domain memory limit 2Ah "F_ReflectInt21" protected-mode INT 21 support 2Bh "Z_DomHandleGet" get domain for a process 2Ch ??? 2Dh ??? 2Eh ??? 2Fh ??? 30h ??? 31h ??? 32h ???
Return:
CX = status (most subfunctions) (E)AX and/or (E)BX contain return values, depending on function
Notes: Called by DPMS.EXE and EMM386.EXE. This API is only available if AX=12FFh/BX=0EDCh returns successfully; because the request is handled on the initial trap to the memory manager caused by INT instructions, this API must be invoked with an actual INT 2F instruction instead of some simulation such as a far call to the address in the interrupt vector table
See Also:
Category:
Memory Management
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Int 2Fh
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