Sending Break Signal

Foul · 10 August 2012, 17:28

Hi !

Again one question

I'm launching a prog in my Startup-sequence, when it finish his execution, the startup-sequence continue just after...

I Just want to end my prog and nothing continue...

Maybe by sending a ctrl-c directly ?

No Idea how to do so...

just an exemple : my prog execute CygnusEd... but when Cygnus-ed is started, Startup-sequence continue and workbench is started ! i don't want that !

Codetapper · 10 August 2012, 20:52

I don't really understand. Why can't you just NOT end your program then it won't get a chance to launch the next thing?

Foul · 10 August 2012, 21:46

uhmmm... because when my prog exit .. startup-sequence continue.. don't know how to cut this...

edit : attached sources, nothing secret ... it's my first asm prog ..be nice with me

Goal of the prog : when left mouse button is detected at boot, it launch a menu (a simple pic), then you can selec F1,F2,F3 to start the selected prog or second button to exit. But ! when selected prog is launched, startup will continue in background !

nogginthenog · 11 August 2012, 10:37

AmigaDOS uses register D0 as the return code of a program. You can check for this in a shell script.

SelectLauncher
IF WARN
QUIT
ENDIF

0 = Ok, 5 = Warn, 10 = Error, 20 = Fail

Foul · 11 August 2012, 11:36

not working

must be my bad coded prog

StingRay · 11 August 2012, 12:31

Your program returns with "random" value in d0. You need to set d0 to a defined value upon exit. So, f.e. if no program was selected in your launcher (i.e. normal startup-sequence should continue), you could set d0 to zero (moveq #0,d0) and in case the user selected a program d0 should be non-zero (moveq #5,d0 f.e.). That way Nogginthenog's check in the startup-sequence will work.

Foul · 11 August 2012, 12:50

Excellent and simple !

Thx

hooverphonique · 12 August 2012, 14:28

all of the above is correct, but in the case of CygnusEd, the problem is actually that it creates its own dos process, so the original one ends and the startup script of course then continues to the next statement..

just try starting starting CygnusEd from a cli and you will see what I mean...

phx · 13 August 2012, 10:34

Code:

CEd -keepio

will prevent the editor from detaching from the current CLI.

10 August 2012, 17:28	#1
Foul Registered User Join Date: Jun 2009 Location: Perigueux/France Age: 38 Posts: 775	Sending Break Signal Hi ! Again one question I'm launching a prog in my Startup-sequence, when it finish his execution, the startup-sequence continue just after... I Just want to end my prog and nothing continue... Maybe by sending a ctrl-c directly ? No Idea how to do so... just an exemple : my prog execute CygnusEd... but when Cygnus-ed is started, Startup-sequence continue and workbench is started ! i don't want that ! __________________ Best Amiga Linux Emulator ! --> http://fs-uae.net/ A500 KS 1.3 + A501 A1200 2.0B Fixed KS/WB 3.9 + CF Kingston 16Go/PFS3DS + PSX to DB9 + Kipper2k CF card external Adapter + 2x Cumana CAX354 External Floppy Disc Drive

11 August 2012, 12:31	#6
StingRay move.l #$c0ff33,throat Join Date: Dec 2005 Location: Berlin/Joymoney Posts: 4,547	Your program returns with "random" value in d0. You need to set d0 to a defined value upon exit. So, f.e. if no program was selected in your launcher (i.e. normal startup-sequence should continue), you could set d0 to zero (moveq #0,d0) and in case the user selected a program d0 should be non-zero (moveq #5,d0 f.e.). That way Nogginthenog's check in the startup-sequence will work. __________________ Makes me sick when I hear all the shit that you say So much crap coming out, it must take you all day There's a space kept in hell with your name on the seat With a spike in the chair just to make it complete

11 August 2012, 12:50	#7
Foul Registered User Join Date: Jun 2009 Location: Perigueux/France Age: 38 Posts: 775	Excellent and simple ! Thx __________________ Best Amiga Linux Emulator ! --> http://fs-uae.net/ A500 KS 1.3 + A501 A1200 2.0B Fixed KS/WB 3.9 + CF Kingston 16Go/PFS3DS + PSX to DB9 + Kipper2k CF card external Adapter + 2x Cumana CAX354 External Floppy Disc Drive

13 August 2012, 10:34	#9
phx Registered User Join Date: Nov 2009 Location: Herford / Germany Posts: 265	Code: CEd -keepio will prevent the editor from detaching from the current CLI.

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10 August 2012, 20:52	#2
Codetapper Moderator Join Date: May 2001 Location: Auckland / New Zealand Age: 38 Posts: 2,465	I don't really understand. Why can't you just NOT end your program then it won't get a chance to launch the next thing?

11 August 2012, 10:37	#4
nogginthenog Amigan Join Date: Feb 2012 Location: London Posts: 5	AmigaDOS uses register D0 as the return code of a program. You can check for this in a shell script. SelectLauncher IF WARN QUIT ENDIF 0 = Ok, 5 = Warn, 10 = Error, 20 = Fail

11 August 2012, 11:36	#5
Foul Registered User Join Date: Jun 2009 Location: Perigueux/France Age: 38 Posts: 775	not working must be my bad coded prog __________________ Best Amiga Linux Emulator ! --> http://fs-uae.net/ A500 KS 1.3 + A501 A1200 2.0B Fixed KS/WB 3.9 + CF Kingston 16Go/PFS3DS + PSX to DB9 + Kipper2k CF card external Adapter + 2x Cumana CAX354 External Floppy Disc Drive Last edited by Foul; 11 August 2012 at 11:44.

12 August 2012, 14:28	#8
hooverphonique Registered User Join Date: Jun 2012 Location: Fyn / Denmark Posts: 216	all of the above is correct, but in the case of CygnusEd, the problem is actually that it creates its own dos process, so the original one ends and the startup script of course then continues to the next statement.. just try starting starting CygnusEd from a cli and you will see what I mean...

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