1 //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
2 //  This source code is licensed under both the GPLv2 (found in the
3 //  COPYING file in the root directory) and Apache 2.0 License
4 //  (found in the LICENSE.Apache file in the root directory).
5 //
6 #pragma once
7 
8 #include "rocksdb/rocksdb_namespace.h"
9 
10 namespace ROCKSDB_NAMESPACE {
11 namespace port {
12 
13 // Install a signal handler to print callstack on the following signals:
14 // SIGILL SIGSEGV SIGBUS SIGABRT
15 // Currently supports linux only. No-op otherwise.
16 void InstallStackTraceHandler();
17 
18 // Prints stack, skips skip_first_frames frames
19 void PrintStack(int first_frames_to_skip = 0);
20 
21 // Prints the given callstack
22 void PrintAndFreeStack(void* callstack, int num_frames);
23 
24 // Save the current callstack
25 void* SaveStack(int* num_frame, int first_frames_to_skip = 0);
26 
27 }  // namespace port
28 }  // namespace ROCKSDB_NAMESPACE
29