forked from KolibriOS/kolibrios
a730579b19
event - small optimization, not more git-svn-id: svn://kolibrios.org@1067 a494cfbc-eb01-0410-851d-a64ba20cac60
488 lines
17 KiB
PHP
488 lines
17 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
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;; Distributed under terms of the GNU General Public License ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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uglobal
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align 4
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event_start dd ?
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event_end dd ?
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event_uid dd 0
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endg
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EV_SPACE = 512
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FreeEvents = event_start-EVENT.fd ; "âèðòóàëüíûé" event, èñïîëüçóþòñÿ òîëüêî ïîëÿ:
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; FreeEvents.fd=event_start è FreeEvents.bk=event_end
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align 4
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init_events: ;; used from kernel.asm
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stdcall kernel_alloc,EV_SPACE*EVENT.size
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or eax,eax
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jz .fail
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; eax - current event, ebx - previos event below
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mov ecx,EV_SPACE ; current - in allocated space
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mov ebx,FreeEvents ; previos - íà÷àëî ñïèñêà
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push ebx ; îíî æå è êîíåö ïîòîì áóäåò
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@@: mov [ebx+EVENT.fd],eax
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mov [eax+EVENT.bk],ebx
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mov ebx,eax ; previos <- current
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add eax,EVENT.size ; new current
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loop @b
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pop eax ; âîò îíî êîíöîì è ñòàëî
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mov [ebx+EVENT.fd],eax
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mov [eax+EVENT.bk],ebx
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.fail: ret
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EVENT_WATCHED equ 0x10000000 ;áèò 28
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EVENT_SIGNALED equ 0x20000000 ;áèò 29
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MANUAL_RESET equ 0x40000000 ;áèò 30
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MANUAL_DESTROY equ 0x80000000 ;áèò 31
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align 4
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create_event: ;; EXPORT use
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;info:
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; Ïåðåíîñèì EVENT èç ñïèñêà FreeEvents â ñïèñîê ObjList òåêóùåãî ñëîòà
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; EVENT.state óñòàíàâëèâàåì èç ecx, EVENT.code êîñâåííî èç esi (åñëè esi<>0)
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;param:
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; esi - event data
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; ecx - flags
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;retval:
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; eax - event (=0 => fail)
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; edx - uid
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;scratched: ebx,ecx,esi,edi
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mov ebx,[current_slot]
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add ebx,APP_OBJ_OFFSET
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mov edx,[TASK_BASE]
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mov edx,[edx+TASKDATA.pid]
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pushfd
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cli
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set_event: ;; INTERNAL use !!! don't use for Call
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;info:
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; Áåðåì íîâûé event èç FreeEvents, çàïîëíÿåì åãî ïîëÿ, êàê óêàçàíî â ecx,edx,esi
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; è óñòàíàâëèâàåì â ñïèñîê, óêàçàííûé â ebx.
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; Âîçâðàùàåì ñàì event (â eax), è åãî uid (â edx)
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;param:
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; ebx - start-chain "virtual" event for entry new event Right of him
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; ecx - flags (copied to EVENT.state)
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; edx - pid (copied to EVENT.pid)
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; esi - event data (copied to EVENT.code indirect, =0 => skip)
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;retval:
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; eax - event (=0 => fail)
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; edx - uid
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;scratched: ebx,ecx,esi,edi
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mov eax,FreeEvents
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cmp eax,[eax+EVENT.fd]
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jne @f ; not empty ???
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pushad
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call init_events
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popad
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jz RemoveEventTo.break ; POPF+RET
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@@: mov eax,[eax+EVENT.fd]
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mov [eax+EVENT.magic],'EVNT'
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mov [eax+EVENT.destroy],destroy_event.internal
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mov [eax+EVENT.state],ecx
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mov [eax+EVENT.pid],edx
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inc [event_uid]
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Mov [eax+EVENT.id],edx,[event_uid]
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or esi,esi
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jz RemoveEventTo
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lea edi,[eax+EVENT.code]
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mov ecx,EVENT.codesize/4
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cld
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rep movsd
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RemoveEventTo: ;; INTERNAL use !!! don't use for Call
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;param:
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; eax - óêàçàòåëü íà event, ÊÎÒÎÐÛÉ âñòàâëÿåì
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; ebx - óêàçàòåëü íà event, ÏÎÑËÅ êîòîðîãî âñòàâëÿåì
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;scratched: ebx,ecx
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mov ecx,eax ; ecx=eax=Self, ebx=NewLeft
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xchg ecx,[ebx+EVENT.fd] ; NewLeft.fd=Self, ecx=NewRight
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cmp eax,ecx ; ñòîï, ñåáå äóìàþ...
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je .break ; - à íå äóðàê ëè ÿ?
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mov [ecx+EVENT.bk],eax ; NewRight.bk=Self
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xchg ebx,[eax+EVENT.bk] ; Self.bk=NewLeft, ebx=OldLeft
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xchg ecx,[eax+EVENT.fd] ; Self.fd=NewRight, ecx=OldRight
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mov [ebx+EVENT.fd],ecx ; OldLeft.fd=OldRight
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mov [ecx+EVENT.bk],ebx ; OldRight.bk=OldLeft
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.break: popfd
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ret
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align 4
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NotDummyTest: ;; INTERNAL use (not returned for fail !!!)
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pop edi
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call DummyTest ; not returned for fail !!!
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mov ebx,eax
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mov eax,[ebx+EVENT.pid]
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push edi
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.small: ; êðèâî êàê-òî...
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pop edi
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pushfd
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cli
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call pid_to_slot ; saved all registers (eax - retval)
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shl eax,8
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jz RemoveEventTo.break ; POPF+RET
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jmp edi ; øòàòíûé âîçâðàò
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align 4
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raise_event: ;; EXPORT use
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;info:
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; Óñòàíàâëèâàåì äàííûå EVENT.code
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; Åñëè òàì ôëàã EVENT_SIGNALED óæå àêòèâåí - áîëüøå íè÷åãî
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; Èíà÷å: ýòîò ôëàã âçâîäèòñÿ, çà èñêëþ÷åíèåì ñëó÷àÿ íàëè÷èÿ ôëàãà EVENT_WATCHED â edx
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;  ýòîì ñëó÷àå EVENT_SIGNALED âçâîäèòñÿ ëèøü ïðè íàëè÷èå EVENT_WATCHED â ñàìîì ñîáûòèè
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;param:
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; eax - event
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; ebx - uid (for Dummy testing)
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; edx - flags
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; esi - event data (=0 => skip)
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;scratched: ebx,ecx,esi,edi
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call NotDummyTest ; not returned for fail !!!
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or esi,esi
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jz @f
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lea edi,[ebx+EVENT.code]
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mov ecx,EVENT.codesize/4
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cld
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rep movsd
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@@:
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test byte[ebx+EVENT.state+3], EVENT_SIGNALED shr 24
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jnz RemoveEventTo.break ; POPF+RET
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bt edx, 28 ;EVENT_WATCHED
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jnc @f
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test byte[ebx+EVENT.state+3], EVENT_WATCHED shr 24
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jz RemoveEventTo.break ; POPF+RET
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@@:
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or byte[ebx+EVENT.state+3], EVENT_SIGNALED shr 24
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add eax,SLOT_BASE+APP_EV_OFFSET
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xchg eax,ebx
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jmp RemoveEventTo
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align 4
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clear_event: ;; EXPORT use
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;info:
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;
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;param:
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; eax - event
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; ebx - uid (for Dummy testing)
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;scratched: ebx,ecx
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call NotDummyTest ; not returned for fail !!!
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add eax,SLOT_BASE+APP_OBJ_OFFSET
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and byte[ebx+EVENT.state+3], not((EVENT_SIGNALED+EVENT_WATCHED)shr 24)
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xchg eax,ebx
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jmp RemoveEventTo
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align 4
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send_event: ;; EXPORT use
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;info:
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; Ñîçäàåò íîâûé EVENT (âûòàñêèâàåò èç ñïèñêà FreeEvents) â ñïèñêå EventList
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; öåëåâîãî ñëîòà (eax=pid), ñ äàííûìè èç esi êîñâåííî, è state=EVENT_SIGNALED
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;param:
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; eax - slots pid, to sending new event
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; esi - pointer to sending data (in code field of new event)
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;retval:
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; eax - event (=0 => fail)
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; edx - uid
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;warning:
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; may be used as CDECL with such prefix...
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; mov esi,[esp+8]
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; mov eax,[esp+4]
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; but not as STDCALL :(
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;scratched: ebx,ecx,esi,edi
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mov edx,eax
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call NotDummyTest.small ; not returned for fail !!!
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lea ebx,[eax+SLOT_BASE+APP_EV_OFFSET]
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mov ecx,EVENT_SIGNALED
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jmp set_event
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align 4
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DummyTest: ;; INTERNAL use (not returned for fail !!!)
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;param:
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; eax - event
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; ebx - uid (for Dummy testing)
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cmp [eax+EVENT.magic],'EVNT'
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jne @f
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cmp [eax+EVENT.id],ebx
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je .ret
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@@: pop eax
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xor eax,eax
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.ret: ret
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align 4
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Wait_events:
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or ebx,-1 ; infinite timeout
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Wait_events_ex:
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;info:
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; Îæèäàíèå "àáñòðàêòíîãî" ñîáûòèÿ ÷åðåç ïåðåâîä ñëîòà â 5-þ ïîçèöèþ.
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; Àáñòðàêòíîñòü çàêëþ÷åíà â òîì, ÷òî ôàêò ñîáûòèÿ îïðåäåëÿåòñÿ ôóíêöèåé APPDATA.wait_test,
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; êîòîðàÿ çàäàåòñÿ êëèåíòîì è ìîæåò áûòü ôàêòè÷åñêè ëþáîé.
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; Ýòî ïîçâîëÿåò shed-ó íàäåæíî îïðåäåëèòü ôàêò ñîáûòèÿ, è íå ñîâåðøàòü "õîëîñòûõ" ïåðåêëþ÷åíèé,
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; ïðåäíàçíà÷åííûõ äëÿ ðàçáîðîê òèïà "ñâîé/÷óæîé" âíóòðè çàäà÷è.
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;param:
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; edx - wait_test, êëèåíòñêàÿ ô-ÿ òåñòèðîâàíèÿ (àäðåñ êîäà)
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; ecx - wait_param, äîïîëíèòåëüíûé ïàðàìåòð, âîçìîæíî íåîáõîäèìûé äëÿ [wait_test]
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; ebx - wait_timeout
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;retval:
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; eax - ðåçóëüòàò âûçîâà [wait_test] (=0 => timeout)
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;scratched: esi
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mov esi,[current_slot]
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mov [esi+APPDATA.wait_param],ecx
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pushad
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mov ebx,esi;ïîêà ýòî âîïðîñ, ÷åãî êóäû ñóâàòü..........
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pushfd ; ýòî ñëåäñòâèå îáùåé êîíöåïöèè: ïóñòü ô-ÿ òåñòèðîâàíèÿ èìååò
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cli ; ïðàâî ðàññ÷èòûâàòü íà çàêðûòûå ïðåðûâàíèÿ, êàê ïðè âûçîâå èç shed
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call edx
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popfd
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mov [esp+28],eax
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popad
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or eax,eax
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jnz @f ;RET
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mov [esi+APPDATA.wait_test],edx
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mov [esi+APPDATA.wait_timeout],ebx
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Mov [esi+APPDATA.wait_begin],eax,[timer_ticks]
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mov eax,[TASK_BASE]
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mov [eax+TASKDATA.state], 5
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call change_task
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mov eax,[esi+APPDATA.wait_param]
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@@: ret
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align 4
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wait_event: ;; EXPORT use
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;info:
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; Îæèäàíèå ôëàãà EVENT_SIGNALED â ñîâåðøåííî êîíêðåòíîì Event
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; (óñòàíàâëèâàåìîãî, íàäî ïîëàãàòü, ÷åðåç raise_event)
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; Ïðè àêòèâíîì ôëàãå MANUAL_RESET - áîëüøå íè÷åãî
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; Èíà÷å: ôëàãè EVENT_SIGNALED è EVENT_WATCHED ó ïîëó÷åííîãî ñîáûòèÿ ñáðàñûâàþòñÿ,
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; è, ïðè àêòèâíîì MANUAL_DESTROY - ïåðåìåùàåòñÿ â ñïèñîê ObjList òåêóùåãî ñëîòà,
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; à ïðè íå àêòèâíîì - óíè÷òîæàåòñÿ øòàòíî (destroy_event.internal)
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;param:
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; eax - event
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; ebx - uid (for Dummy testing)
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;scratched: ecx,edx,esi
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call DummyTest
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mov ecx,eax ; wait_param
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mov edx, get_event_alone ; wait_test
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call Wait_events ; timeout ignored
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jmp wait_finish
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align 4
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get_event_ex: ;; f68:14
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;info:
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; Îæèäàíèå ëþáîãî ñîáûòèÿ â î÷åðåäè EventList òåêóùåãî ñëîòà
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; Äàííûå ñîáûòèÿ code - êîïèðóþòñÿ â ïàìÿòü ïðèëîæåíèÿ (êîñâåííî ïî edi)
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; Ïðè àêòèâíîì ôëàãå MANUAL_RESET - áîëüøå íè÷åãî
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; Èíà÷å: ôëàãè EVENT_SIGNALED è EVENT_WATCHED ó ïîëó÷åííîãî ñîáûòèÿ ñáðàñûâàþòñÿ,
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; è, ïðè àêòèâíîì MANUAL_DESTROY - ïåðåìåùàåòñÿ â ñïèñîê ObjList òåêóùåãî ñëîòà,
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; à ïðè íå àêòèâíîì - óíè÷òîæàåòñÿ øòàòíî (destroy_event.internal)
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;param:
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; edi - àäðåñ â êîäå ïðèëîæåíèÿ äëÿ êîïèðîâàíèÿ äàííûõ èç EVENT.code
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;retval:
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; eax - ñîáñòâåííî EVENT (áóäåì íàçûâàòü ýòî åãî õýíäëîì)
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;scratched: ebx,ecx,edx,esi,edi
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mov edx, get_event_queue ; wait_test
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call Wait_events ; timeout ignored
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lea esi,[eax+EVENT.code]
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mov ecx,EVENT.codesize/4
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cld
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rep movsd
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mov [edi-EVENT.codesize+2],cl ;clear priority field
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wait_finish:
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test byte[eax+EVENT.state+3], MANUAL_RESET shr 24
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jnz get_event_queue.ret ; RET
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and byte[eax+EVENT.state+3], not((EVENT_SIGNALED+EVENT_WATCHED)shr 24)
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test byte[eax+EVENT.state+3], MANUAL_DESTROY shr 24
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jz destroy_event.internal
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mov ebx,[current_slot]
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add ebx,APP_OBJ_OFFSET
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pushfd
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cli
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jmp RemoveEventTo
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align 4
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destroy_event: ;; EXPORT use
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;info:
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; Ïåðåíîñèì EVENT â ñïèñîê FreeEvents, ÷èñòèì ïîëÿ magic,destroy,pid,id
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;param:
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; eax - event
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; ebx - uid (for Dummy testing)
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;retval:
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; eax - àäðåñ îáúåêòà EVENT (=0 => fail)
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;scratched: ebx,ecx
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call DummyTest ; not returned for fail !!!
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.internal:
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xor ecx,ecx ; clear common header
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pushfd
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cli
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mov [eax+EVENT.magic],ecx
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mov [eax+EVENT.destroy],ecx
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mov [eax+EVENT.pid],ecx
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mov [eax+EVENT.id],ecx
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mov ebx,FreeEvents
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jmp RemoveEventTo
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align 4
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get_event_queue:
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;info:
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; êëèåíòñêàÿ ô-ÿ òåñòèðîâàíèÿ äëÿ get_event_ex
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;warning:
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; -don't use [TASK_BASE],[current_slot],[CURRENT_TASK] - it is not for your slot
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; -may be assumed, that interrupt are disabled
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; -it is not restriction for scratched registers
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;param:
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; ebx - àäðåñ APPDATA ñëîòà òåñòèðîâàíèÿ
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;retval:
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; eax - àäðåñ îáúåêòà EVENT (=0 => fail)
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add ebx,APP_EV_OFFSET
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mov eax,[ebx+APPOBJ.bk] ; âûáèðàåì ñ êîíöà, ïî ïðèíöèïó FIFO
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cmp eax,ebx ; empty ???
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je get_event_alone.ret0
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.ret: ret
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align 4
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get_event_alone:
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;info:
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; êëèåíòñêàÿ ô-ÿ òåñòèðîâàíèÿ äëÿ wait_event
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;warning:
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; -don't use [TASK_BASE],[current_slot],[CURRENT_TASK] - it is not for your slot
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; -may be assumed, that interrupt are disabled
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; -it is not restriction for scratched registers
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;param:
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; ebx - àäðåñ APPDATA ñëîòà òåñòèðîâàíèÿ
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;retval:
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; eax - àäðåñ îáúåêòà EVENT (=0 => fail)
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mov eax,[ebx+APPDATA.wait_param]
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test byte[eax+EVENT.state+3], EVENT_SIGNALED shr 24
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jnz .ret
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or byte[eax+EVENT.state+3], EVENT_WATCHED shr 24
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.ret0: xor eax,eax ; NO event!!!
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.ret: ret
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align 4
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sys_sendwindowmsg: ;; f72
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dec ebx
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jnz .ret ;subfunction==1 ?
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;pushfd ;à íàôèãà?
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cli
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sub ecx,2
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je .sendkey
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loop .retf
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.sendbtn:
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cmp byte[BTN_COUNT],1
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jae .result ;overflow
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inc byte[BTN_COUNT]
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mov [BTN_BUFF],edx
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jmp .result
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.sendkey:
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movzx eax,byte[KEY_COUNT]
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cmp al,120
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jae .result ;overflow
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inc byte[KEY_COUNT]
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mov [KEY_COUNT+1+eax],dl
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.result:
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setae byte[esp+32] ;ñ÷èòàåì, ÷òî èñõîäíî: dword[esp+32]==72
|
|
.retf: ;popfd
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|
.ret: ret
|
|
|
|
align 4
|
|
sys_getevent: ;; f11
|
|
mov ebx,[current_slot] ;ïîêà ýòî âîïðîñ, ÷åãî êóäû ñóâàòü..........
|
|
pushfd ; ýòî ñëåäñòâèå îáùåé êîíöåïöèè: ïóñòü ô-ÿ òåñòèðîâàíèÿ èìååò
|
|
cli ; ïðàâî ðàññ÷èòûâàòü íà çàêðûòûå ïðåðûâàíèÿ, êàê ïðè âûçîâå èç shed
|
|
call get_event_for_app
|
|
popfd
|
|
mov [esp+32],eax
|
|
ret
|
|
|
|
align 4
|
|
sys_waitforevent: ;; f10
|
|
or ebx,-1 ; infinite timeout
|
|
sys_wait_event_timeout: ;; f23
|
|
mov edx,get_event_for_app ; wait_test
|
|
call Wait_events_ex ; ebx - timeout
|
|
mov [esp+32],eax
|
|
ret
|
|
|
|
align 4
|
|
get_event_for_app: ;; used from f10,f11,f23
|
|
;info:
|
|
; êëèåíòñêàÿ ô-ÿ òåñòèðîâàíèÿ äëÿ ïðèëîæåíèé (f10,f23)
|
|
;warning:
|
|
; -don't use [TASK_BASE],[current_slot],[CURRENT_TASK] - it is not for your slot
|
|
; -may be assumed, that interrupt are disabled
|
|
; -it is not restriction for scratched registers
|
|
;param:
|
|
; ebx - àäðåñ APPDATA ñëîòà òåñòèðîâàíèÿ
|
|
;retval:
|
|
; eax - íîìåð ñîáûòèÿ (=0 => no events)
|
|
movzx edi,bh ; bh is assumed as [CURRENT_TASK]
|
|
shl edi,5
|
|
add edi,CURRENT_TASK ; edi is assumed as [TASK_BASE]
|
|
mov ecx,[edi+TASKDATA.event_mask]
|
|
.loop: ; ïîêà íå èñ÷åðïàåì âñå áèòû ìàñêè
|
|
bsr eax,ecx ; íàõîäèì íåíóëåâîé áèò ìàñêè (31 -> 0)
|
|
jz .no_events ; èñ÷åðïàëè âñå áèòû ìàñêè, íî íè÷åãî íå íàøëè ???
|
|
btr ecx,eax ; ñáðàñûâàåì ïðîâåðÿåìûé áèò ìàñêè
|
|
; ïåðåõîäèì íà îáðàáîò÷èê ýòîãî (eax) áèòà
|
|
cmp eax,16
|
|
jae .IRQ ; eax=[16..31]=retvals, events irq0..irq15
|
|
cmp eax,9
|
|
jae .loop ; eax=[9..15], ignored
|
|
cmp eax,3
|
|
je .loop ; eax=3, ignored
|
|
ja .FlagAutoReset ; eax=[4..8], retvals=eax+1
|
|
cmp eax,1
|
|
jae .BtKy ; eax=[1,2], retvals=eax+1
|
|
.WndRedraw: ; eax=0, retval WndRedraw=1
|
|
cmp [edi-twdw+WDATA.fl_redraw],al ;al==0
|
|
jne .result
|
|
jmp .loop
|
|
.no_events:
|
|
xor eax,eax
|
|
ret
|
|
.IRQ:
|
|
;TODO: ñäåëàòü òàê æå, êàê è äëÿ FlagAutoReset (BgrRedraw,Mouse,IPC,Stack,Debug)
|
|
mov edx,[irq_owner+eax*4-64] ; eax==16+irq
|
|
cmp edx,[edi+TASKDATA.pid]
|
|
jne .loop
|
|
mov edx,eax
|
|
shl edx,12
|
|
cmp dword[IRQ_SAVE+edx-0x10000],0 ; edx==(16+irq)*0x1000
|
|
je .loop ; empty ???
|
|
ret ; retval = eax
|
|
.FlagAutoReset: ; retvals: BgrRedraw=5, Mouse=6, IPC=7, Stack=8, Debug=9
|
|
btr [ebx+APPDATA.event_mask],eax
|
|
jnc .loop
|
|
.result: ; retval = eax+1
|
|
inc eax
|
|
ret
|
|
.BtKy:
|
|
movzx edx,bh
|
|
movzx edx, word[WIN_STACK+edx*2]
|
|
je .Keys ; eax=1, retval Keys=2
|
|
.Buttons: ; eax=2, retval Buttons=3
|
|
cmp byte[BTN_COUNT],0
|
|
je .loop ; empty ???
|
|
cmp edx,[TASK_COUNT]
|
|
jne .loop ; not Top ???
|
|
cmp dword[BTN_BUFF],0xFFFF ;-ID for Minimize-Button of Form
|
|
jne .result
|
|
mov [window_minimize],1
|
|
dec byte[BTN_COUNT]
|
|
jmp .loop
|
|
.Keys: ; eax==1
|
|
cmp edx,[TASK_COUNT]
|
|
jne @f ; not Top ???
|
|
cmp [KEY_COUNT],al ; al==1
|
|
jae .result ; not empty ???
|
|
@@: mov edx, hotkey_buffer
|
|
@@: cmp [edx],bh ; bh - slot for testing
|
|
je .result
|
|
add edx,8
|
|
cmp edx, hotkey_buffer+120*8
|
|
jb @b
|
|
jmp .loop
|
|
;end.
|