Re: how to leave a specific thread?

[Sergei Steshenko <sergstesh yahoo com>]

--- On Sat, 7/11/09, frederico schardong <frede sch gmail com> wrote:

> From: frederico schardong <frede sch gmail com>
> Subject: how to leave a specific thread?
> To: gtk-list gnome org
> Date: Saturday, July 11, 2009, 12:08 PM
> I'm using this example of threads..
> 
> /* Compile me with:
>  *  gcc -o sample3 sample3.c $(pkg-config --cflags
> --libs gtk+-2.0 gthread-2.0)
>  */
> #include <gtk/gtk.h>
> 
> static gpointer
> thread_func( gpointer data )
> {
>     while( TRUE )
>     {
>         usleep( 500000 );
> 
>         gdk_threads_enter();
>         g_print("\naa");
>         gdk_threads_leave();
>     }
> 
>     return( NULL );
> }
> 
> static gpointer
> thread_func1( gpointer data )
> {
>     while( TRUE )
>     {
>         sleep( 1 );
> 
>         gdk_threads_enter();
>         g_print("\nbb");
>         gdk_threads_leave();
>     }
> 
>     return( NULL );
> }
> 
> int
> main( int    argc,
>       char **argv )
> {
>     GThread   *thread, *th;
>     GError    *error = NULL;
> 
>     /* Secure glib */
>     if( ! g_thread_supported() )
>         g_thread_init( NULL );
> 
>     /* Secure gtk */
>     gdk_threads_init();
> 
>     /* Obtain gtk's global lock */
>     gdk_threads_enter();
> 
>     /* Do stuff as usual */
>     gtk_init( &argc, &argv );
> 
>     /* Create new thread */
>     thread = g_thread_create( thread_func, NULL,
>                
>               FALSE,
> &error );
>     if( ! thread )
>     {
>         g_print( "Error: %s\n",
> error->message );
>         return( -1 );
>     }
> 
>     /* Create new thread */
>     th = g_thread_create( thread_func1, NULL,
>                
>               FALSE,
> &error );
>     if( ! th )
>     {
>         g_print( "Error: %s\n",
> error->message );
>         return( -1 );
>     }
> 
>     gtk_main();
> 
>     /* Release gtk's global lock */
>     gdk_threads_leave();
> 
>     return( 0 );
> }
> 
> 
> And I must know how I can stop some thread without stop all
> the
> others? Just stop one thread, not all
> 
> -- 
> Abraço,
> Frederico Schardong,
> SOLIS - O lado livre da tecnologia
> www.solis.coop.br


You can still use global variables, and threads can monitor their value.

Kinda signals.

Or I'm getting it wrong ?

Regards,
  Sergei.