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SubjectPtrace updates [0/5]
It's been a while since the last set of ptrace patches; here's what I've
queued up. They'll follow in individual messages, or they're available by
BitKeeper (details below).

These are all small changes; there may be some more interesting ones in a
couple of weeks, after GDB support for NPTL is more mature. Overview:
- Two new traceable events, end-of-vfork and process exit.
- Ptrace calls to get and set the siginfo struct associated with a signal.
- Two separate signal handling fixes for the fork-tracing and CLONE_PTRACE
- A bugfix to prevent zombie processes when debugging LinuxThreads.

Linus, please do a

bk pull

This will update the following files:

include/linux/ptrace.h | 6 ++++++
include/linux/sched.h | 3 +++
kernel/exit.c | 30 ++++++++++++++++++++++++++----
kernel/fork.c | 8 +++++---
kernel/ptrace.c | 36 +++++++++++++++++++++++++++++++++++-
kernel/signal.c | 8 +++++++-
6 files changed, 82 insertions(+), 9 deletions(-)

through these ChangeSets:

<> (03/02/06 1.961)
Signal handling bugs for thread exit + ptrace

<> (03/02/06 1.960)

<> (03/02/04 1.959)
Use force_sig_specific to send SIGSTOP to newly-created CLONE_PTRACE processes.

<> (03/01/18 1.958)

These new ptrace commands allow a debugger to control signals more precisely;
for instance, store a signal and deliver it later, as if it had come from the
original outside process or in response to the same faulting memory access.

<> (03/01/18 1.957)
Tweak has_stopped_jobs for use with debugging

Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
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