Re: periodically check if a service is running

["Fernando Apesteguía" <fernando apesteguia gmail com>]

Maybe you are looking for g_timeout_add function

http://developer.gnome.org/doc/API/2.0/glib/glib-The-Main-Event-Loop.html#g-timeout-add


Regards

On 7/13/06, rupert <rupertt gmail com> wrote:
> Hello,
>
> imm trying to create a small window that shows me if a serice is running
> and
> displays a small icon that shows the status
> i created this function that checks if a PID is there:
>
> gint check_samba(){
>     gint smb_pid2;
>     gchar check_smb_cmd[512];
>     sprintf(check_smb_cmd, "cat /var/run/samba/smbd.pid 2>/dev/null");
>     //g_print("%s", check_smb_cmd);
>     smb_pid2 = system(check_smb_cmd);
>     //g_print("%s", smb_pid2);
>     return smb_pid2;
> }
>
> the function is called here:
>
>   gint smb_pid;
>   smb_pid=check_samba();
>   //g_print("PID: %i", smb_pid);
> //while(1){
>       if(smb_pid > 0)
>       {
>           image1 =  g_object_new(GTK_TYPE_IMAGE,"file",
> "pics/ledgreen.png",
> NULL);
>       }else{
>           image1 =  g_object_new(GTK_TYPE_IMAGE,"file", "pics/ledred.png",
> NULL);
>       }
>   //}
>
>   gtk_widget_show (image1);
>
>
> So how can I check and if neccessary change the picture lets say every
> each
> 2 seconds?
> I thought i could use an endless while loop, but that didnt worked.
> Also the PID gets displayes when I call the function, but a g_print("PID:
> %i", smb_pid); give me (null)
> has been quite a while since i worked with C, so this may be a dump error
> by
> me.
>
> thx for your help
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