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do not recommend safe_dump_to (fixes #98)

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This commit is contained in:
Antony Polukhin
2020-12-15 16:48:29 +03:00
parent e75d2ff93b
commit 66aba44f79
2 changed files with 66 additions and 49 deletions
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32
example/terminate_handler.cpp
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@@ -23,25 +23,42 @@ BOOST_NOINLINE void foo(int i) {
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//[getting_started_terminate_handlers
//[getting_started_signal_handlers
#include <signal.h> // ::signal, ::raise
#include <boost/stacktrace.hpp>
void my_signal_handler(int signum) {
::signal(signum, SIG_DFL);
// Outputs nothing or trash on majority of platforms
boost::stacktrace::safe_dump_to("./backtrace.dump");
::raise(SIGABRT);
}
//]
void setup_handlers() {
//[getting_started_setup_handlers
//[getting_started_setup_signel_handlers
::signal(SIGSEGV, &my_signal_handler);
::signal(SIGABRT, &my_signal_handler);
//]
}
//[getting_started_terminate_handlers
#include <cstdlib> // std::abort
#include <exception> // std::set_terminate
#include <iostream> // std::cerr
#include <boost/stacktrace.hpp>
void my_terminate_handler() {
std::cerr << boost::stacktrace::stacktrace();
std::abort();
}
//]
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
BOOST_CONSTEXPR_OR_CONST std::size_t shared_memory_size = 4096 * 8;
@@ -92,6 +109,15 @@ inline void copy_and_run(const char* exec_name, char param, bool not_null) {
}
}
int run_0(const char* /*argv*/[]) {
//[getting_started_setup_terminate_handlers
std::set_terminate(&my_terminate_handler);
//]
foo(5);
return 1;
}
int run_1(const char* /*argv*/[]) {
setup_handlers();
foo(5);
@@ -300,6 +326,7 @@ int test_inplace() {
int main(int argc, const char* argv[]) {
if (argc < 2) {
copy_and_run(argv[0], '0', true);
#ifndef BOOST_WINDOWS
// We are copying files to make sure that stacktrace printing works independently from executable name
copy_and_run(argv[0], '1', true);
@@ -314,6 +341,7 @@ int main(int argc, const char* argv[]) {
}
switch (argv[1][0]) {
case '0': return run_0(argv);
case '1': return run_1(argv);
case '2': return run_2(argv);
case '3': return run_3(argv);