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SubjectRe: [PATCH] ptrace: add ability to get clear_tid_address
On 02/08, Pedro Alves wrote:
>
> I just tried it. This is &pthread->tid in glibc/libpthread, so with debug
> info it's easy to figure out where to set the watchpoint manually with gdb
> without asking the kernel. Doesn't work. ptrace doesn't show any trap
> for the kernel writes.

The tracee simply can't report this trap. it is already dead ;) and
hw breakpoint (used by ptrace) is "pinned" to the thread.

Oleg.



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