Waiting for mp_SigBit from RegisterApplication

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jaokim

Posted on: 2011/6/9 19:37 #1

Just popping in

I'm trying to Wait for signals coming to my registered application, along withew Ctrl-C and ARexx messages. But I don't seem to get any signals, when waiting for the mp_SigBit from the MsgPort gotten with GetApplicationAttrs. I do however get messages on the MsgPort, when doing a WaitPort.

This is a compilable example, where I test what I want to achieve (so it's not pretty or anything). In my real applicaton, I use the same kind of code, and can successfully receive both Ctrl-C and ARexx signals.


// g++ apptest.cpp -ggdb -lauto -o apptest

//

#include <proto/exec.h>

#include <proto/intuition.h>

#include <proto/dos.h>

#include <proto/application.h>

#define LOG_DEBUG IDOS->Printf

#define LOG_INFO IDOS->Printf



int main(int argc, char **argv) {   

    struct MsgPort * msgPort = NULL;



    uint32 signal;

    int loop = 10;

    struct Message * msg = NULL;

    msg = new struct Message();



    uint32 appId = 0;

    appId = IApplication->RegisterApplication(

        "test",

        REGAPP_URLIdentifier, "test.amigaos.se",

        REGAPP_UniqueApplication, TRUE,

        TAG_DONE

    );

    LOG_INFO("Got appId: %ld\n", appId);

    if(appId == 0) {

        LOG_INFO("Couldn't register application!\n");

        return 20;

    }



    if(!IApplication->GetApplicationAttrs(appId, APPATTR_Port, &msgPort, TAG_DONE)) {

        LOG_INFO("Couldn't get application attributes!\n");

        return 20;

    }

    LOG_INFO("Got msgPort: %lx, sigbit: %ld\n", msgPort, msgPort->mp_SigBit);



    // I believe this should be set to signal

    // the mp_SigBit and not only the port?

    // Works equally bad with or without.

    msgPort->mp_Flags << PA_SIGNAL;



    do {

        

        // This code works:

        /* Uncomment from here...

        msg = IExec->WaitPort(msgPort);



       

        while(msg != NULL) {

            msg = IExec->GetMsg(msgPort);



            LOG_DEBUG("Got message: %lx! (%ld)\n", msg, loop);

        }

        .... to here. */



        loop = loop-1;

        // This code doesn't work

        // From here...

        signal = IExec->Wait(SIGBREAKF_CTRL_C | msgPort->mp_SigBit );



        if (signal & msgPort->mp_SigBit) {

            LOG_DEBUG("Got App port!\n");



        } else if (signal & SIGBREAKF_CTRL_C) {



            LOG_DEBUG("Got Ctrl-C\n");

            loop=0;

        } else {

            LOG_DEBUG("Something else\n");

        }

        // ...to here



    } while(loop >0);

    LOG_DEBUG("Aftermainloop.\n");





    IApplication->UnregisterApplication(appId, NULL);



    return 0;

}

LiveForIt

Re: Waiting for mp_SigBit from RegisterApplication

Posted on: 2011/6/9 19:44 #2

Home away from home

use this for bit mask.

(1 << msgPort->mp_SigBit)

my_sigs = SIGBREAKF_CTRL_C;
my_sigs |= 1<<msgPort->mp_SigBit;

signal = IExec->Wait( my_sigs );

if you need to remove a bit from bitmask you can do.

my_sigs &= ~ 1<<msgPort->mp_SigBit;

(NutsAboutAmiga)

Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.

jaokim

Re: Waiting for mp_SigBit from RegisterApplication

Posted on: 2011/6/9 19:55 #3

Just popping in

Great! Quick answer, and absolutely correct! Thanks!

And its kind of obvious -- sigbit.

salass00

Re: Waiting for mp_SigBit from RegisterApplication

Posted on: 2011/6/9 20:28 #4

Just can't stay away

@jaokim

You are aware that this line from your code is a no-op, right?


// I believe this should be set to signal

// the mp_SigBit and not only the port?

// Works equally bad with or without. 

msgPort->mp_Flags << PA_SIGNAL;

jaokim

Re: Waiting for mp_SigBit from RegisterApplication

Posted on: 2011/6/9 20:45 #5

Just popping in

@salass00

Looking at it, yes. Probably some left over from my testing. Also, I never delete the allocated MsgPort struct.

TSK

Re: Waiting for mp_SigBit from RegisterApplication

Posted on: 2011/6/9 22:33 #6

Just can't stay away

Use 1L << msgPort->mp_SigBit. I remember having problems years ago when I was doing 1 << msgPort->mp_SigBit instead of 1L << msgPort->mp_SigBit.

Rock lobster bit me - so I'm here forever
X1000 + AmigaOS 4.1 FE
"Anyone can build a fast CPU. The trick is to build a fast system." - Seymour Cray

LiveForIt

Re: Waiting for mp_SigBit from RegisterApplication

Posted on: 2011/6/10 3:06 #7

Home away from home

@TSK

GCC uses 32bit as standard, but if you use any other other compiler it might not work whit out 'L' as you say, some compilers defaults to 16bit.

(NutsAboutAmiga)

Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.

salass00

Re: Waiting for mp_SigBit from RegisterApplication

Posted on: 2011/6/10 4:24 #8

Just can't stay away

@jaokim

Quote:

Looking at it, yes. Probably some left over from my testing. Also, I never delete the allocated MsgPort struct.

You shouldn't delete the MsgPort you get from application.library. UnregisterApplication() should take care of that for you.

jaokim

Re: Waiting for mp_SigBit from RegisterApplication

Posted on: 2011/6/10 6:40 #9

Just popping in

@salas00:
Nor should I do new. The autodoc gave me the impression that it should be a pointer to a MsgPort, when it really should be a pointer to a pointer. So I wound up trying lots of different things.

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