Log stack even if tombstone cannot be created.

  mkdir(TOMBSTONE_DIR, 0755);

  chown(TOMBSTONE_DIR, AID_SYSTEM, AID_SYSTEM);

  if (selinux_android_restorecon(TOMBSTONE_DIR) == -1) {

    *detach_failed = false;

    return NULL;

  int fd = -1;

  char* path = NULL;

  if (selinux_android_restorecon(TOMBSTONE_DIR) == 0) {

    path = find_and_open_tombstone(&fd);

  } else {

    LOG("Failed to restore security context, not writing tombstone.\n");

  }

  int fd;

  char* path = find_and_open_tombstone(&fd);

  if (!path) {

  if (fd < 0 && quiet) {

    LOG("Skipping tombstone write, nothing to do.\n");

    *detach_failed = false;

    return NULL;

  }

  log_t log;

  log.tfd = fd;

  log.amfd = activity_manager_connect();

  // Preserve amfd since it can be modified through the calls below without

  // being closed.

  int amfd = activity_manager_connect();

  log.amfd = amfd;

  log.quiet = quiet;

  *detach_failed = dump_crash(

      &log, pid, tid, signal, abort_msg_address, dump_sibling_threads, total_sleep_time_usec);

  close(log.amfd);

  // Either of these file descriptors can be -1, any error is ignored.

  close(amfd);

  close(fd);

  return path;

}