[Gllug] Unkillable process

Nix nix at esperi.demon.co.uk
Wed Jul 3 18:14:52 UTC 2002

On Tue, 2 Jul 2002, Alain Williams stipulated:
> Even better, use by 2 favourite debugging tools:
> strace -p pid -- shows system calls

A tool without which Unix is dross :)

> ltrace -p pid -- shows library calls (eg C library)

... for a very, *very* limited set of libraries :(

> Brilliant!

No, they're merely useful.

For truly brilliant work one must look to Julian Seward's valgrind tool.
strace is fairly obvious given the presence of ptrace(2): there's
nothing very obvious about valgrind's method of operation.

`What happened?'
                 `Nick shipped buggy code!'
                                             `Oh, no dinner for him...'

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