Re: Fork with gtk+-2.0

["Alphex K." <alphex crew org ru>]

On Tue, 06 Jan 2004 12:32:26 +0100
GЭnther Rapp <guenther rapp-informatik de> wrote:

> there are only  a few lines of code the thread is started in the main
> like this 
>      
>         pthread_create(&yacc_tid, NULL, argument_thread, NULL);
>         gtk_signal_connect (GTK_OBJECT (main_window), "destroy",
>                       GTK_SIGNAL_FUNC (gtk_main_quit),
>                       NULL);
>         gdk_threads_enter();
>         gtk_main ();
>         gdk_threads_leave();
>         _exit(0);
>
> the fork should be started in a callback
> /*
>                 strcpy(command,"x_ray_start ");
>                 strcat(command,nr_patient);
>                 strcat(command," '");
>                 strcat(command,name_patient);      THIS WORKS well
>                 strcat(command," ");
>                 strcat(command,vorn_patient);
>                 strcat(command,"'");
>                 strcat(command,"&");
>                 system (command);
> */
>
>                 {
>                 char name_p[128];
>                 strcpy(name_p,name_patient);
>                 strcat(name_p," ");
>                 strcat(name_p,vorn_patient);
>                 strcat(name_p," ");                   
>                 strcat(name_p,geb_patient);
>                 switch( multixraypid = fork() ) {      /* !!!! this does
> not work with activ THREADS WHY ??? */
>                 case -1:
>                         BOTCH("XRAY : fork failed");
>                 case 0:                             /* this is the son
> exec a new task */
>                         setpgrp();
>                        
> execlp("x_ray_start","x_ray_start",nr_patient,name_p,(char *)0);
>                         _exit(0);
>                 default:                            /* this is the
> father */
>                         ;;
>                 }
I'm think that it trouble with threads realization in GLib, try to use standart unix 
threads, I'm test using fork() and threads(standart unix threads) and it work.

-- 
Alphex Kaanoken
Senior developer of Crew IT research labs
web: http://crew.org.ru
mailto:Alphex Crew Org RU