src/core/lib/gprpp/examine_stack.h

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/*
 *
 * 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.
 *
 */
 
#ifndef GRPC_CORE_LIB_GPRPP_EXAMINE_STACK_H
#define GRPC_CORE_LIB_GPRPP_EXAMINE_STACK_H
 
#include <grpc/support/port_platform.h>
 
#include <string>
 
#include "absl/types/optional.h"
 
namespace grpc_core {
 
typedef std::string (*gpr_current_stack_trace_func)();
 
// Returns a current_stack_trace_provider.
gpr_current_stack_trace_func GetCurrentStackTraceProvider();
 
// Sets current_stack_trace_provider which provides a current-stack trace.
void SetCurrentStackTraceProvider(
    gpr_current_stack_trace_func current_stack_trace_provider);
 
// Returns the current stack trace as a string via current_stack_trace_provider
// If current_stack_trace_provider is not set, it returns absl::nullopt.
absl::optional<std::string> GetCurrentStackTrace();
 
}  // namespace grpc_core
 
#endif /* GRPC_CORE_LIB_GPRPP_EXAMINE_STACK_H */