/*
 *
 * Copyright 2020 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#include <grpc/support/port_platform.h>

#include "src/core/lib/gprpp/examine_stack.h"

namespace grpc_core {

gpr_current_stack_trace_func g_current_stack_trace_provider = nullptr;

gpr_current_stack_trace_func GetCurrentStackTraceProvider() {
  return g_current_stack_trace_provider;
}

void SetCurrentStackTraceProvider(
    gpr_current_stack_trace_func current_stack_trace_provider) {
  g_current_stack_trace_provider = current_stack_trace_provider;
}

absl::optional<std::string> GetCurrentStackTrace() {
  if (g_current_stack_trace_provider != nullptr) {
    return g_current_stack_trace_provider();
  }
  return absl::nullopt;
}

}  // namespace grpc_core