Hm, maybe. What version of Perl / IPC::Open3? What platform?  I can't reproduce the problem here (5.8.8 / 1.0106, Linux), so we'll have to wait until someone else can...

You have changed waitpid($pid2,0) too, have you? (which is what I implied, but didn't explicitly say)  (the problem with WNOHANG is that the process might not yet have terminated at that point, so you wouldn't get a valid return code).

In reply to Re^3: IPC problem by almut
in thread IPC problem by gyre007

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