text: /**
   *    Copyright (C) 2020-present MongoDB, Inc.
   *
   *    This program is free software: you can redistribute it and/or modify
   *    it under the terms of the Server Side Public License, version 1,
   *    as published by MongoDB, Inc.
   *
   *    This program is distributed in the hope that it will be useful,
   *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *    Server Side Public License for more details.
   *
   *    You should have received a copy of the Server Side Public License
   *    along with this program. If not, see
   *    <http://www.mongodb.com/licensing/server-side-public-license>.
   *
   *    As a special exception, the copyright holders give permission to link the
   *    code of portions of this program with the OpenSSL library under certain
   *    conditions as described in each individual source file and distribute
   *    linked combinations including the program with the OpenSSL library. You
   *    must comply with the Server Side Public License in all respects for
   *    all of the code used other than as permitted herein. If you modify file(s)
   *    with this exception, you may extend this exception to your version of the
   *    file(s), but you are not obligated to do so. If you do not wish to do so,
   *    delete this exception statement from your version. If you delete this
   *    exception statement from all source files in the program, then also delete
   *    it in the license file.
   */
  
  
  #include "mongo/util/testing_proctor.h"
  
  #include "mongo/base/init.h"
  #include "mongo/logv2/log.h"
  #include "mongo/util/assert_util.h"
  #include "mongo/util/static_immortal.h"
  
  #define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
  
  
  namespace mongo {
  
  TestingProctor& TestingProctor::instance() {
      static StaticImmortal<TestingProctor> proctor{};
      return proctor.value();
  }
  
  bool TestingProctor::isEnabled() const {
      uassert(ErrorCodes::NotYetInitialized,
              "Cannot check whether testing diagnostics is enabled before it is initialized",
              isInitialized());
      return _diagnosticsEnabled.get();
  }
  
  void TestingProctor::setEnabled(bool enable) {
      if (!isInitialized()) {
          _diagnosticsEnabled = enable;
          return;
      }
  
      uassert(ErrorCodes::AlreadyInitialized,
              "Cannot alter testing diagnostics once initialized",
              _diagnosticsEnabled.get() == enable);
  
      LOGV2(4672601, "Overriding testing diagnostics", "enabled"_attr = enable);
  }
  
  void TestingProctor::exitAbruptlyIfDeferredErrors(bool verbose) const {
      if (isInitialized() && isEnabled() && haveTripwireAssertionsOccurred()) {
          if (verbose) {
              warnIfTripwireAssertionsOccurred();
          }
          LOGV2_FATAL_NOTRACE(
              4457001, "Aborting process during exit due to prior failed tripwire assertions.");
      }
  }
  
  namespace {
  
  /**
   * The initializer ensures that testing diagnostics is always initialized (by default to disabled),
   * especially for those executables that never call into `setEnabled()` (e.g., the mongo shell).
   */
  MONGO_INITIALIZER(DisableTestingDiagnosticsByDefault)(InitializerContext*) {
      if (!TestingProctor::instance().isInitialized()) {
          TestingProctor::instance().setEnabled(false);
      }
  }
  
  }  // namespace
  }  // namespace mongo
  