在windows下最友善的是minidump,其他2個平台麻煩不少,google-breakpad使用起來又太麻煩.
最近boost1.65版本出了個stacktrace使用起來簡單友善,隻是無法看實際資料,對于快速定位BUG還是很有幫助的.
要注意的是異常的處理需要寫檔案,應用重新開機之後再讀取檢視~ 用其他應用讀取或者修改應用之後讀取都會無法正确顯示!!!
1 #pragma once
2 //異常生成dump時立刻檢視會死鎖,隻能重新開機應用後才能檢視
3
4 #ifndef BOOST_ENABLE_ASSERT_DEBUG_HANDLER
5 #define BOOST_ENABLE_ASSERT_DEBUG_HANDLER
6 #endif
7
8 #include <string>
9 #include <boost/noncopyable.hpp>
10 #include <boost/function.hpp>
11 #include <boost/stacktrace.hpp>
12
13 class plugin_dump :
14 private boost::noncopyable
15 {
16 public:
17 plugin_dump();
18 ~plugin_dump();
19
20 //顯示dump資訊回調
21 typedef boost::function1<void, const boost::stacktrace::stacktrace&> ON_DUMP;
22
23 void set_handler(ON_DUMP _handler);
24
25 static std::string gen_filename();
26 private:
27 void show_last_dump();
28 ON_DUMP m_handler;
29 }; 1 #include "stdafx.h"
2 #include "plugin_dump.h"
3
4 #include <signal.h> // ::signal, ::raise
5 #include <strstream>
6 #include <stdexcept> // std::logic_error
7 #include <iostream> // std::cerr
8 #include <boost/filesystem.hpp>
9 #include <enable_process_info.hpp>
10
11 void g_signal_handler(int signum) {
12 ::signal(signum, SIG_DFL);
13 std::string filename = plugin_dump::gen_filename();
14 if (boost::filesystem::exists(filename.c_str()))
15 boost::filesystem::remove(filename.c_str());
16 boost::stacktrace::safe_dump_to(3, boost::stacktrace::detail::max_frames_dump, filename.c_str());
17 ::raise(SIGABRT);
18 }
19
20 plugin_dump::plugin_dump()
21 {
22 ::signal(SIGSEGV, &g_signal_handler);
23 ::signal(SIGABRT, &g_signal_handler);
24 if (!boost::filesystem::exists("./dumps"))
25 boost::filesystem::create_directory("./dumps");
26 }
27
28 plugin_dump::~plugin_dump()
29 {
30
31 }
32
33 void plugin_dump::set_handler(ON_DUMP _handler)
34 {
35 m_handler = _handler;
36 show_last_dump();
37 }
38
39 void plugin_dump::show_last_dump()
40 {
41 std::string filename = plugin_dump::gen_filename();
42 if (boost::filesystem::exists(filename.c_str())) {
43
44 std::ifstream ifs(filename.c_str());
45 boost::stacktrace::stacktrace st = boost::stacktrace::stacktrace::from_dump(ifs);
46
47 if (!m_handler.empty())
48 m_handler(st);
49 else
50 std::cout << st;
51
52 ifs.close();
53 std::getchar();
54 }
55 }
56
57 std::string plugin_dump::gen_filename()
58 {
59 std::string file = "./dumps/" + enable_process_info::get_processname() + ".dump";
60 return file;
61 }
62
63 //
64 // BOOST_ENABLE_ASSERT_DEBUG_HANDLER is defined for the whole project
65 namespace boost {
66 inline void assertion_failed_msg(char const* expr, char const* msg, char const* function, char const* /*file*/, long /*line*/) {
67 std::cerr << "Expression '" << expr << "' is false in function '" << function << "': " << (msg ? msg : "<...>") << ".\n"
68 << "Backtrace:\n" << boost::stacktrace::stacktrace() << '\n';
69 std::abort();
70 }
71
72 inline void assertion_failed(char const* expr, char const* function, char const* file, long line) {
73 ::boost::assertion_failed_msg(expr, 0 /*nullptr*/, function, file, line);
74 }
75 } // namespace boost