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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
#pragma once
#include "rocksdb/rocksdb_namespace.h"
namespace ROCKSDB_NAMESPACE {
namespace port {
// Install a signal handler to print callstack on the following signals:
// SIGILL SIGSEGV SIGBUS SIGABRT
// And also (Linux ony for now) overrides security settings to allow outside
// processes to attach to this one as a debugger. ONLY USE FOR NON-SECURITY
// CRITICAL PROCESSES such as unit tests or benchmarking tools.
// Currently supports only some POSIX implementations. No-op otherwise.
void InstallStackTraceHandler();
// Prints stack, skips skip_first_frames frames
void PrintStack(int first_frames_to_skip = 0);
// Prints the given callstack
void PrintAndFreeStack(void* callstack, int num_frames);
// Save the current callstack
void* SaveStack(int* num_frame, int first_frames_to_skip = 0);
} // namespace port
} // namespace ROCKSDB_NAMESPACE
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