Re: monitoring code while executing.

[Jan-Benedict Glaw <jbglaw@lug-owl.de>]

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On Mon, 2004-11-22 10:24:59 -0800, A M <alim1993@yahoo.com>
wrote in message <20041122182459.60354.qmail@web51903.mail.yahoo.com>:
> Can anybody think of a method in which one process can
> view (monitor, read) the instructions of another
> process while it is running (one process see
> instruction of another process while they get fetched
> to be executed)? Is it possible with threads instead
> of processes? 

Any debugger (like gdb) or system/library call tracer (strace, ltrace)
does this using the ptrace system call.

MfG, JBG

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