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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
/*
* Ceph - scalable distributed file system
*
* Copyright contributors to the Ceph project
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "rgw_asio_thread.h"
#include "common/BackTrace.h"
#include "common/dout.h"
#include "include/ceph_assert.h"
thread_local bool is_asio_thread = false;
void maybe_warn_about_blocking(const DoutPrefixProvider* dpp)
{
// work on asio threads should be asynchronous, so warn when they block
if (!is_asio_thread) {
return;
}
// for validation, tests can assert that no requests block
const auto& conf = dpp->get_cct()->_conf;
ceph_assert_always(!conf->rgw_asio_assert_yielding);
// otherwise just log the warning and optional backtrace
ldpp_dout(dpp, 20) << "WARNING: blocking librados call" << dendl;
#ifdef _BACKTRACE_LOGGING
ldpp_dout(dpp, 20) << "BACKTRACE: " << ClibBackTrace(0) << dendl;
#endif
}
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