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