Re: vfork

Jamie Lokier (lkd@tantalophile.demon.co.uk)
Thu, 11 Nov 1999 15:34:25 +0100

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Nate Eldredge wrote:
> The man page is inaccurate with respect to the fork tracing mechanism.
> What happens is that strace uses ptrace(PTRACE_POKETEXT...) to insert an
> infinite loop following the trap instruction (so it becomes `int $0x80;
> jmp .').

Is this reliable with multiple threads? Changing one's memory changes
the others.

-- Jamie

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