message: Remove ptrace write call.
diff: @@ -996,7 +996,6 @@ impl Pal for Sys {
  let mut sessions = state.sessions.lock();
  if let Ok(session) = ptrace::get_session(&mut sessions, pid) {
  if options & sys_wait::WNOHANG != sys_wait::WNOHANG {
  - let _ = (&mut &session.tracer).write(&syscall::PTRACE_FLAG_WAIT);
  let mut _event = PtraceEvent::default();
  let _ = (&mut &session.tracer).read(&mut _event);
  