Messages in this thread | | | Date | Wed, 8 Feb 2012 18:31:03 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH] ptrace: add ability to get clear_tid_address |
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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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