-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Valnir
Sent: Tuesday, March 08, 2005 11:48 AM
To: [email protected]
Subject: Re: Pausing a Loop.
Ok.. does that go inside the "if (!f)" statement, or after it?
- V
----- Original Message -----
From: "Jason Gauthier" <[EMAIL PROTECTED]>
To: "Valnir" <[EMAIL PROTECTED]>
Cc: <[email protected]>
Sent: Tuesday, March 08, 2005 11:44 AM
Subject: RE: Pausing a Loop.
Yes!
That was my bad. I haven't fork()ed in a while.
At the end of the fork exit(0) gracefully.
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Valnir
> Sent: Tuesday, March 08, 2005 11:36 AM
> To: [email protected]
> Subject: Re: Pausing a Loop.
>
> Ok.. using the "process_output" call in combination with the
> "fork" option, I was able to do what I wanted.. I ran across
> one little issue though. For some reason, the forked
> processes aren't terminating. Is there something I'm missing?
> Do you have to kill the fork afterwards?
>
> - Valnir
>
> ----- Original Message -----
> From: "Jason Gauthier" <[EMAIL PROTECTED]>
> To: "Valnir" <[EMAIL PROTECTED]>
> Cc: <[email protected]>
> Sent: Tuesday, March 08, 2005 10:59 AM
> Subject: RE: Pausing a Loop.
>
>
> It's not a lack of C concepts, but the design of ROM.
>
> ROM has 1 main loop. It processes all input and output in that one
> loop.
> If you tore up that code, functionized it, you could
> theoretically call
> it whenever you wanted to check for player input or process player
> output. (acutally player output is easy, you can call
> process_output()
> at any time) But processing input wouldn't be grand.
>
> I wouldn't go that route, because it's a hack at that point.
> Unless you overhauled it, but there's not much gain in my opinion,
> others may differ.
>
>
>
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of Valnir
> > Sent: Tuesday, March 08, 2005 10:48 AM
> > To: [email protected]
> > Subject: Re: Pausing a Loop.
> >
> > It does help, and it's a very interesting concept. I am not
> > sure it's 100% what I'm after though.
> >
> > What I am really after is the C equivalent of the VB DoEvents
> > function. I want it to stay in the same process, pause the
> > loop, take care of any requests, output, etc, and then
> > continue the loop, pause, so on and so forth.
> >
> > (I did try the fork, and it seems to work, but it doesn't do
> > exactly what I
> > want)
> >
> > - Valnir
> >
> > ----- Original Message -----
> > From: "Jason Gauthier" <[EMAIL PROTECTED]>
> > To: "Valnir" <[EMAIL PROTECTED]>; <[email protected]>
> > Sent: Tuesday, March 08, 2005 10:07 AM
> > Subject: RE: Pausing a Loop.
> >
> >
> > Sure.
> >
> > If you've had no experience with threads then let's not go
> that route
> > for now. Threads are great, but I wouldn't want to stick
> you in that
> > mess blind.
> >
> > fork() is easy, but a little more "expensive" than threads.
> Overall, I
> > think a basic fork() should do the job.
> >
> > fork() is a C function that creates a copy of your process,
> > and executes
> > the specified code in copy.
> > It returns a value you can use to identify the child from
> the parent.
> >
> > If you have unix handy "man fork".
> >
> > This is an example
> >
> > process_players
> > {
> > int f;
> >
> > f = fork();
> >
> > /* something bad happened */
> > if (f==-1) {
> > // fork failed, tell your command issuer
> > return;
> > }
> >
> > if (!f) {
> > // Everything here is where you want to put your time
> > consuming code
> > }
> > }
> >
> >
> > Couple things to note.
> > The command issuer will not be waiting for the command to
> > finish either.
> > (You could force a wait if you want)
> > Thus, if the command issuer executes this command in rapid
> > succession it
> > will hurt your box.
> >
> > Secondly, if you change any variables, they will be
reflected in the
> > parent when the child exits.
> >
> > Hope that helps.
> >
> > Jason
> >
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> > Behalf Of Valnir
> > > Sent: Tuesday, March 08, 2005 9:55 AM
> > > To: [email protected]
> > > Subject: Re: Pausing a Loop.
> > >
> > > Ok... I have to say this is something I have never tried. A
> > > little help or direction??
> > >
> > > - Valnir
> > >
> > > ----- Original Message -----
> > > From: "Jason Gauthier" <[EMAIL PROTECTED]>
> > > To: "Valnir" <[EMAIL PROTECTED]>
> > > Cc: <[email protected]>
> > > Sent: Tuesday, March 08, 2005 9:53 AM
> > > Subject: RE: Pausing a Loop.
> > >
> > >
> > > It was perfectly clear. There is no function to tell the
> mud to "go
> > > about your business".
> > >
> > > You need to either thread the entire function, or call
> > fork() and run
> > > this as a child process.
> > >
> > > Jason
> > >
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> > > Behalf Of Valnir
> > > > Sent: Tuesday, March 08, 2005 9:50 AM
> > > > To: [email protected]
> > > > Subject: Re: Pausing a Loop.
> > > >
> > > > Maybe it would be clearer if I posted the function, so
> here it is.
> > > >
> > > > void do_alts( CHAR_DATA *ch, char *argument ) {
> > > > DIR *player_dir;
> > > > struct dirent *players;
> > > > CHAR_DATA *victim, *lch;
> > > > char buf[MSL];
> > > > char output[MSL] = { '\0' };
> > > > int count = 0;
> > > >
> > > > if ( ( victim = get_char_online(argument) ) == NULL )
> > > > {
> > > > if ( ( victim = get_char_offline(argument) ) == NULL )
> > > > {
> > > > send_to_char("The character was not found to
> > > > compare against.\n\r", ch);
> > > > return;
> > > > }
> > > > }
> > > >
> > > > send_to_char( "^fPlease wait while we scan for alts. "
> > > > "This process can take a minute...^0\n\r\n\r", ch );
> > > >
> > > > send_to_char( "Searching pfiles", ch );
> > > >
> > > > if ( ( player_dir = opendir(PLAYER_DIR) ) != NULL )
> > > > {
> > > > while ( ( players = readdir(player_dir) ) != NULL )
> > > > {
> > > > send_to_char( ".", ch );
> > > >
> > > > if ( !str_cmp( players->d_name, "." )
> > > > || !str_cmp( players->d_name, ".." ) )
> > > > continue;
> > > >
> > > > if ( !str_cmp( players->d_name, victim->name ) )
> > > > continue;
> > > >
> > > > if ( ( lch = get_char_online(players->d_name) )
> > > == NULL )
> > > > lch = get_char_offline(players->d_name);
> > > >
> > > > if ( !str_cmp( victim->pcdata->host,
> > > lch->pcdata->host ) )
> > > > {
> > > > if ( !IS_SET( lch->pen, PEN_SNOOP_PROOF )
> > > > && !IS_IMMORTAL(lch) )
> > > > {
> > > > sprintf( buf, "^$%2d^!)
> ^$%s^0\n\r", ++count,
> > > > lch->name );
> > > > strcat( output, buf );
> > > > }
> > > > }
> > > >
> > > > unload_char(lch);
> > > > }
> > > >
> > > > send_to_char( "\n\r\n\r", ch );
> > > > if ( count > 0 )
> > > > {
> > > > sprintf( buf, "Below is a list of all characters
> > > > connecting"
> > > > " from host:\n\r\t%s\n\r\n\r",
> > > victim->pcdata->host );
> > > > send_to_char( buf, ch );
> > > >
> > > > send_to_char( output, ch );
> > > > }
> > > > else
> > > > send_to_char( "No matches found.\n\r", ch );
> > > > }
> > > > else
> > > > bug( "Could not open PLAYER_DIR!", 0 );
> > > >
> > > > closedir(player_dir);
> > > > unload_char(victim);
> > > > return;
> > > > }
> > > >
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "Jason Gauthier" <[EMAIL PROTECTED]>
> > > > To: "Valnir" <[EMAIL PROTECTED]>
> > > > Cc: <[email protected]>
> > > > Sent: Tuesday, March 08, 2005 9:44 AM
> > > > Subject: RE: Pausing a Loop.
> > > >
> > > >
> > > > Your best bet would be to run that in a separate thread.
> > > > (or fork(), if you don't want to mess with threading)
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> > > > Behalf Of Valnir
> > > > > Sent: Tuesday, March 08, 2005 9:41 AM
> > > > > To: [email protected]
> > > > > Subject: Pausing a Loop.
> > > > >
> > > > > Ok, I created a nice little function so that my
immortals can
> > > > > find the alts of the any character on the game by comparing
> > > > > against the host listed in the pfiles. The problem is that
> > > > > since it loads and unloads every pfile, it takes a minute to
> > > > > run, and since it does that, it literally pauses the game
> > > > > while it's running. What command can I add into the loop to
> > > > > tell it to pick up other process requests, etc? I'm sure
> > > > > there is one, and I just don't know what it is.
> > > > >
> > > > > Thanks in advance!
> > > > > - Valnir
> > > > >
> > > > > --
> > > > > ROM mailing list
> > > > > [email protected]
> > > > > http://www.rom.org/cgi-bin/mailman/listinfo/rom
> > > > >
> > > >
> > > > --
> > > > ROM mailing list
> > > > [email protected]
> > > > http://www.rom.org/cgi-bin/mailman/listinfo/rom
> > > >
> > >
> > > --
> > > ROM mailing list
> > > [email protected]
> > > http://www.rom.org/cgi-bin/mailman/listinfo/rom
> > >
> >
> > --
> > ROM mailing list
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> >
>
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