C++ (Cpp) parse_pid_to_attach Examples

Example #1

File: inf-ptrace.c Project: rgmabs19357/gdb

static void
inf_ptrace_attach (struct target_ops *ops, char *args, int from_tty)
{
  char *exec_file;
  pid_t pid;
  struct inferior *inf;

  /* Do not change either targets above or the same target if already present.
     The reason is the target stack is shared across multiple inferiors.  */
  int ops_already_pushed = target_is_pushed (ops);
  struct cleanup *back_to = NULL;

  pid = parse_pid_to_attach (args);

  if (pid == getpid ())		/* Trying to m********e?  */
    error (_("I refuse to debug myself!"));

  if (! ops_already_pushed)
    {
      /* target_pid_to_str already uses the target.  Also clear possible core
	 file with its process_stratum.  */
      push_target (ops);
      back_to = make_cleanup_unpush_target (ops);
    }

  if (from_tty)
    {
      exec_file = get_exec_file (0);

      if (exec_file)
	printf_unfiltered (_("Attaching to program: %s, %s\n"), exec_file,
			   target_pid_to_str (pid_to_ptid (pid)));
      else
	printf_unfiltered (_("Attaching to %s\n"),
			   target_pid_to_str (pid_to_ptid (pid)));

      gdb_flush (gdb_stdout);
    }

#ifdef PT_ATTACH
  errno = 0;
  ptrace (PT_ATTACH, pid, (PTRACE_TYPE_ARG3)0, 0);
  if (errno != 0)
    perror_with_name (("ptrace"));
#else
  error (_("This system does not support attaching to a process"));
#endif

  inf = current_inferior ();
  inferior_appeared (inf, pid);
  inf->attach_flag = 1;
  inferior_ptid = pid_to_ptid (pid);

  /* Always add a main thread.  If some target extends the ptrace
     target, it should decorate the ptid later with more info.  */
  add_thread_silent (inferior_ptid);

  if (! ops_already_pushed)
    discard_cleanups (back_to);
}

Example #2

File: inf-ptrace.c Project: jon-turney/binutils-gdb

void
inf_ptrace_target::attach (const char *args, int from_tty)
{
  char *exec_file;
  pid_t pid;
  struct inferior *inf;

  /* Do not change either targets above or the same target if already present.
     The reason is the target stack is shared across multiple inferiors.  */
  int ops_already_pushed = target_is_pushed (this);

  pid = parse_pid_to_attach (args);

  if (pid == getpid ())		/* Trying to m********e?  */
    error (_("I refuse to debug myself!"));

  target_unpush_up unpusher;
  if (! ops_already_pushed)
    {
      /* target_pid_to_str already uses the target.  Also clear possible core
	 file with its process_stratum.  */
      push_target (this);
      unpusher.reset (this);
    }

  if (from_tty)
    {
      exec_file = get_exec_file (0);

      if (exec_file)
	printf_unfiltered (_("Attaching to program: %s, %s\n"), exec_file,
			   target_pid_to_str (ptid_t (pid)));
      else
	printf_unfiltered (_("Attaching to %s\n"),
			   target_pid_to_str (ptid_t (pid)));

      gdb_flush (gdb_stdout);
    }

#ifdef PT_ATTACH
  errno = 0;
  ptrace (PT_ATTACH, pid, (PTRACE_TYPE_ARG3)0, 0);
  if (errno != 0)
    perror_with_name (("ptrace"));
#else
  error (_("This system does not support attaching to a process"));
#endif

  inf = current_inferior ();
  inferior_appeared (inf, pid);
  inf->attach_flag = 1;
  inferior_ptid = ptid_t (pid);

  /* Always add a main thread.  If some target extends the ptrace
     target, it should decorate the ptid later with more info.  */
  thread_info *thr = add_thread_silent (inferior_ptid);
  /* Don't consider the thread stopped until we've processed its
     initial SIGSTOP stop.  */
  set_executing (thr->ptid, true);

  unpusher.release ();
}