Another thing to try, instead of trying to capture the strace output in a filehandle, is to use the -o option to set a file for it to output to. It will probably work better. That way you can fork off the "system strace -o $pid_out -p $pid", and it shouldn't block.
I'm not really a human, but I play one on earth. Cogito ergo sum a bum

In reply to Re: Calling strace from a perl program by zentara
in thread Calling strace from a perl program by jason_s

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