egghelp/eggheads community

Checking if pipe is still open

2004-01-22T13:32:39-04:00

So the java program exits, it doesn't hang? Then what is using 100% cpu, eggdrop? That means you're doing something wrong, such as...

1. you have a loop with gets, but are using nonblocking mode
2. you have a loop with gets, in blocking mode, but aren't checking for eof
3. you have fconfigured events with nonblocking mode, but never close the pipe

That's to start with anyway. It's really impossible to say without you posting at least some of your code. Also, try adding debugging info (to eggdrop, and your java program).

Statistics: Posted by stdragon — Thu Jan 22, 2004 1:32 pm

Checking if pipe is still open

2004-01-22T13:10:04-04:00

Then you have an *infinite* loop that is not been closed.

Statistics: Posted by caesar — Thu Jan 22, 2004 1:10 pm

Checking if pipe is still open

2004-01-22T08:17:49-04:00

Even on non-blocking mode it still hangs and uses 100% cpu when the java prog is dead

Statistics: Posted by Massacre — Thu Jan 22, 2004 8:17 am

Checking if pipe is still open

2004-01-22T07:48:59-04:00

I'm trying to test for the java prog exiting unexpetidly cause what happens is, the java prog dies then @ the next call to gets it's probably reading -1 or something and it hangs, cpu hits 100% and has to be killed. Is the only way round this to build my own gets proc and reload the java prog when im gettin -1 or whatever (EOF didn't work cause pipe was alive @ last call to gets).

Statistics: Posted by Massacre — Thu Jan 22, 2004 7:48 am

Re: Checking if pipe is still open

2004-01-21T15:39:40-04:00

Is there a way I can check whether the pipe to my java prog is still open?

It will be "open" untill you 'close' it. I think what you want is 'eof'

Statistics: Posted by user — Wed Jan 21, 2004 3:39 pm

Checking if pipe is still open

2004-01-21T15:27:59-04:00

what do u mean if a dcc is open or what ever maybe use

if {[info exists varname]}

stuff like that valididx ..? what is the open pipe ??

if its a file then use eof or something ..

Statistics: Posted by Ofloo — Wed Jan 21, 2004 3:27 pm

Checking if pipe is still open

2004-01-21T09:43:46-04:00

Ha, ok, so it should be "pid $pipe" not [pid $pipe] and it works now but it still returns the PID even if the stream is closed, so does anyone know a working method please?

Statistics: Posted by Massacre — Wed Jan 21, 2004 9:43 am

Checking if pipe is still open

2004-01-21T06:53:57-04:00

hmmz, ok no i didn't, the problem still stands, cause catch is always returning 1.

Statistics: Posted by Massacre — Wed Jan 21, 2004 6:53 am

Checking if pipe is still open

2004-01-21T06:48:04-04:00

Ok, i've fixed this now by doing the following check:

Code:

 [catch [pid $pipe]] != "0"

If it's != "0" then there was an err (eg, $pipe doesn't exist anymore) and I can restart the java prog.

Statistics: Posted by Massacre — Wed Jan 21, 2004 6:48 am

Checking if pipe is still open

2004-01-21T05:43:31-04:00

Is there a way I can check whether the pipe to my java prog is still open?

Statistics: Posted by Massacre — Wed Jan 21, 2004 5:43 am