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...

12 Commits

Author SHA1 Message Date
Antony Polukhin
08d720adbd attempt to fix coverage reports 2021-01-04 19:08:40 +03:00
Antony Polukhin
a00587f4d7 update copyright years 2021-01-03 19:24:15 +03:00
Antony Polukhin
9c462940b1 Merge pull request #104 from sdarwin/lcov
update lcov in .travis.yml
2021-01-03 12:51:27 +03:00
sdarwin
7fdaebb8ef update lcov in .travis.yml 2020-12-30 15:51:38 +00:00
Antony Polukhin
15f6b30f12 Better support for pre-C++11 builds on clang (fixes #102) 2020-12-19 14:35:28 +03:00
Antony Polukhin
4a8b14b2d7 disable test on Windows 2020-12-18 11:04:34 +03:00
Antony Polukhin
e4576bfae2 attempt to deal with hangs on some platforms 2020-12-16 12:09:01 +03:00
Antony Polukhin
7985a04380 bigger warning for signal handlers (fixes #71) 2020-12-15 17:00:34 +03:00
Antony Polukhin
d84457e2a0 update meta info on stacktrace 2020-12-15 16:51:07 +03:00
Antony Polukhin
66aba44f79 do not recommend safe_dump_to (fixes #98) 2020-12-15 16:48:29 +03:00
Antony Polukhin
e75d2ff93b Merge pull request #91 from jeremiahar/develop
Add support for disabled exceptions
2020-05-28 16:48:43 +03:00
Jeremiah Rodriguez
a8a4cefb52 Add support for disabled exceptions 2020-05-26 13:28:32 -07:00
44 changed files with 133 additions and 105 deletions

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@@ -2,7 +2,7 @@
# subject to the Boost Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#
# Copyright Antony Polukhin 2014-2020.
# Copyright Antony Polukhin 2014-2021.
#
# See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file
@@ -16,14 +16,14 @@ os: linux
# `--coverage` flags required to generate coverage info for Coveralls
matrix:
include:
- env: B2_ARGS='cxxstd=98,03,11,14,1y toolset=gcc-6 cxxflags="--coverage -fsanitize=address,leak,undefined -fno-sanitize-recover=undefined -DBOOST_TRAVISCI_BUILD -fno-rtti" linkflags="--coverage -lasan -lubsan" "testing.launcher=LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.3"'
- env: B2_ARGS='cxxstd=98,03,11,14,1y toolset=gcc-6 cxxflags="--coverage -fsanitize=address,leak,undefined -fno-sanitize-recover=undefined -DBOOST_TRAVISCI_BUILD -fno-rtti" linkflags="--coverage -lasan -lubsan" "testing.launcher=LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.3"' GCOVTOOL='gcov-6'
name: "GCC-6, no RTTI"
addons:
apt:
sources: ubuntu-toolchain-r-test
packages: g++-6
- env: B2_ARGS='cxxstd=98,03,11,14,1z toolset=gcc-8 cxxflags="--coverage -fsanitize=address,leak,undefined -fno-sanitize-recover=undefined -DBOOST_TRAVISCI_BUILD" linkflags="--coverage -lasan -lubsan" "testing.launcher=LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.5"'
- env: B2_ARGS='cxxstd=98,03,11,14,1z toolset=gcc-8 cxxflags="--coverage -fsanitize=address,leak,undefined -fno-sanitize-recover=undefined -DBOOST_TRAVISCI_BUILD" linkflags="--coverage -lasan -lubsan" "testing.launcher=LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.5"' GCOVTOOL='gcov-8'
name: "GCC-8"
sudo: required # Required by leak sanitizer
addons:
@@ -31,7 +31,7 @@ matrix:
sources: ubuntu-toolchain-r-test
packages: g++-8
- env: B2_ARGS='cxxstd=98,0x toolset=gcc-4.6 cxxflags="--coverage -DBOOST_TRAVISCI_BUILD" linkflags="--coverage"'
- env: B2_ARGS='cxxstd=98,0x toolset=gcc-4.6 cxxflags="--coverage -DBOOST_TRAVISCI_BUILD" linkflags="--coverage"' GCOVTOOL='gcov-4.6'
name: "GCC-4.6"
addons:
apt:
@@ -48,7 +48,7 @@ matrix:
# Not running UBSan because it gives an error for some tests:
# test_impl.cpp:14:16: runtime error: call to function (unknown) through pointer to incorrect function type 'std::pair<stacktrace, stacktrace> (*)(int)'
- env: B2_ARGS='cxxstd=98,03,11,14,1z toolset=clang-8 cxxflags="--coverage -fsanitize=address,leak -DBOOST_TRAVISCI_BUILD" linkflags="--coverage -fsanitize=address,leak"'
- env: B2_ARGS='cxxstd=98,03,11,14,1z toolset=clang-8 cxxflags="--coverage -fsanitize=address,leak -DBOOST_TRAVISCI_BUILD" linkflags="--coverage -fsanitize=address,leak"' GCOVTOOL='gcov_for_clang.sh'
name: "Clang-8"
sudo: required # Required by leak sanitizer
addons:
@@ -58,7 +58,7 @@ matrix:
# Sanitizers disabled for this toolset as they started causing link troubles:
# hidden symbol `_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE11__recommendEm' isn't defined
- env: B2_ARGS='cxxstd=03,11,14 toolset=clang-libc++ cxxflags="--coverage -DBOOST_TRAVISCI_BUILD" linkflags="--coverage"'
- env: B2_ARGS='cxxstd=03,11,14 toolset=clang-libc++ cxxflags="--coverage -DBOOST_TRAVISCI_BUILD" linkflags="--coverage"' GCOVTOOL='gcov_for_clang.sh'
name: "Clang-3.8, libc++"
addons:
apt:
@@ -138,9 +138,12 @@ after_success:
- find ../../../bin.v2/ -name "*.gcno" -exec cp "{}" $TRAVIS_BUILD_DIR/coverals/ \;
- find ../../../bin.v2/ -name "*.da" -exec cp "{}" $TRAVIS_BUILD_DIR/coverals/ \;
- find ../../../bin.v2/ -name "*.no" -exec cp "{}" $TRAVIS_BUILD_DIR/coverals/ \;
- wget https://github.com/linux-test-project/lcov/archive/v1.12.zip
- unzip v1.12.zip
- LCOV="`pwd`/lcov-1.12/bin/lcov --gcov-tool gcov-6"
- wget https://github.com/linux-test-project/lcov/archive/v1.14.zip
- unzip v1.14.zip
- LCOV="`pwd`/lcov-1.14/bin/lcov --gcov-tool $GCOVTOOL"
- mkdir -p ~/.local/bin
- echo -e '#!/bin/bash\nexec llvm-cov gcov "$@"' > ~/.local/bin/gcov_for_clang.sh
- chmod 755 ~/.local/bin/gcov_for_clang.sh
# Preparing Coveralls data by changind data format to a readable one
- echo "$LCOV --directory $TRAVIS_BUILD_DIR/coverals --base-directory `pwd` --capture --output-file $TRAVIS_BUILD_DIR/coverals/coverage.info"
@@ -151,7 +154,7 @@ after_success:
- $LCOV --remove $TRAVIS_BUILD_DIR/coverals/coverage.info "/usr*" "*/$BOOST_LIBS_FOLDER/test/*" $IGNORE_COVERAGE "*/$BOOST_LIBS_FOLDER/tests/*" "*/$BOOST_LIBS_FOLDER/examples/*" "*/$BOOST_LIBS_FOLDER/example/*" -o $TRAVIS_BUILD_DIR/coverals/coverage.info
# ... erasing data that is not related to this project directly
- OTHER_LIBS=`grep "submodule .*" .gitmodules | sed 's/\[submodule\ "\(.*\)"\]/"\*\/boost\/\1\.hpp" "\*\/boost\/\1\/\*"/g'| sed "/\"\*\/boost\/$BOOST_LIBS_FOLDER\/\*\"/d" | sed ':a;N;$!ba;s/\n/ /g'`
- OTHER_LIBS=`grep "submodule .*" .gitmodules | sed 's/\[submodule\ "\(.*\)"\]/"\*\/boost\/\1\.hpp" "\*\/boost\/\1\/\*" "\*\/libs\/\1\/src\/\*"/g'| sed "/\"\*\/boost\/$BOOST_LIBS_FOLDER\/\*\"/d" | sed ':a;N;$!ba;s/\n/ /g'`
- echo $OTHER_LIBS
- eval "$LCOV --remove $TRAVIS_BUILD_DIR/coverals/coverage.info $OTHER_LIBS -o $TRAVIS_BUILD_DIR/coverals/coverage.info"

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@@ -1,4 +1,4 @@
# Copyright Antony Polukhin 2016-2019.
# Copyright Antony Polukhin 2016-2021.
# Use, modification, and distribution are
# subject to the Boost Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

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@@ -2,7 +2,7 @@
[quickbook 1.6]
[version 1.0]
[id stacktrace]
[copyright 2016-2020 Antony Polukhin]
[copyright 2016-2021 Antony Polukhin]
[category Language Features Emulation]
[license
Distributed under the Boost Software License, Version 1.0.
@@ -57,53 +57,6 @@ Code from above will output something like this:
[note By default the Stacktrace library is very conservative in methods to decode stacktrace. If your output does not look as fancy as in example from above, see [link stacktrace.configuration_and_build section "Configuration and Build"] for allowing advanced features of the library. ]
[endsect]
[section Handle terminates, aborts and Segmentation Faults]
Segmentation Faults and `std::terminate` calls sometimes happen in programs. Programmers usually wish to get as much information as possible on such incidents, so having a stacktrace will significantly improve debugging and fixing.
`std::terminate` calls `std::abort`, so we need to capture stack traces on Segmentation Faults and Abort signals.
[warning Writing a signal handler requires high attention! Only a few system calls allowed in signal handlers, so there's no cross platform way to print a stacktrace without a risk of deadlocking. The only way to deal with the problem - [*dump raw stacktrace into file/socket and parse it on program restart].]
[warning Not all the platforms provide means for even getting stacktrace in async signal safe way. No stack trace will be saved on such platforms. ]
Let's write a handler to safely dump stacktrace:
[getting_started_terminate_handlers]
Registering our handler:
[getting_started_setup_handlers]
At program start we check for a file with stacktrace and if it exist - we're writing it in human readable format:
[getting_started_on_program_restart]
Now we'll get the following output on `std::terminate` call after the program restarts:
```
Previous run crashed:
0# 0x00007F2EC0A6A8EF
1# my_signal_handler(int) at ../example/terminate_handler.cpp:37
2# 0x00007F2EBFD84CB0
3# 0x00007F2EBFD84C37
4# 0x00007F2EBFD88028
5# 0x00007F2EC0395BBD
6# 0x00007F2EC0393B96
7# 0x00007F2EC0393BE1
8# bar(int) at ../example/terminate_handler.cpp:18
9# foo(int) at ../example/terminate_handler.cpp:22
10# bar(int) at ../example/terminate_handler.cpp:14
11# foo(int) at ../example/terminate_handler.cpp:22
12# main at ../example/terminate_handler.cpp:84
13# 0x00007F2EBFD6FF45
14# 0x0000000000402209
```
[note Function names from shared libraries may not be decoded due to address space layout randomization. Still better than nothing.]
[endsect]
[section Better asserts]
@@ -137,6 +90,44 @@ Backtrace:
Now we do know the steps that led to the assertion and can find the error without debugger.
[endsect]
[section Handle terminates]
`std::terminate` calls sometimes happen in programs. Programmers usually wish to get as much information as possible on such incidents, so having a stacktrace significantly improves debugging and fixing.
Here's how to write a terminate handler that dumps stacktrace:
[getting_started_terminate_handlers]
Here's how to register it:
[getting_started_setup_terminate_handlers]
Now we'll get the following output on `std::terminate` call:
```
Previous run crashed:
0# my_terminate_handler(int) at ../example/terminate_handler.cpp:37
1# __cxxabiv1::__terminate(void (*)()) at ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc:48
2# 0x00007F3CE65E5901 in /usr/lib/x86_64-linux-gnu/libstdc++.so.6
3# bar(int) at ../example/terminate_handler.cpp:18
4# foo(int) at ../example/terminate_handler.cpp:22
5# bar(int) at ../example/terminate_handler.cpp:14
6# foo(int) at ../example/terminate_handler.cpp:22
7# main at ../example/terminate_handler.cpp:84
8# __libc_start_main in /lib/x86_64-linux-gnu/libc.so.6
9# 0x0000000000402209
```
[warning There's a temptation to write a signal handler that prints the stacktrace on `SIGSEGV` or abort. Unfortunately, there's no cross platform way to do that without a risk of deadlocking. Not all the platforms provide means for even getting stacktrace in async signal safe way.
Signal handler is often invoked on a separate stack and trash is returned on attempt to get a trace!
Generic recommendation is to *avoid signal handlers! Use* platform specific ways to store and decode *core files*.
]
[endsect]

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
@@ -23,25 +23,44 @@ 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() {
try {
std::cerr << boost::stacktrace::stacktrace();
} catch (...) {}
std::abort();
}
//]
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
BOOST_CONSTEXPR_OR_CONST std::size_t shared_memory_size = 4096 * 8;
@@ -92,6 +111,15 @@ 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);
@@ -300,7 +328,10 @@ int test_inplace() {
int main(int argc, const char* argv[]) {
if (argc < 2) {
// On Windows the debugger could be active. In that case tests hang and the CI run fails.
#ifndef BOOST_WINDOWS
copy_and_run(argv[0], '0', true);
// We are copying files to make sure that stacktrace printing works independently from executable name
copy_and_run(argv[0], '1', true);
copy_and_run(argv[0], '2', false);
@@ -314,6 +345,7 @@ 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);

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
@@ -94,7 +94,7 @@ BOOST_SYMBOL_VISIBLE inline ::backtrace_state* construct_state(const program_loc
# ifndef BOOST_NO_CXX11_THREAD_LOCAL
thread_local
# elif defined(__GNUC__)
# elif defined(__GNUC__) && !defined(__clang__)
static __thread
# else
/* just a local variable */

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2019.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,5 +1,5 @@
// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
// Copyright 2015-2019 Antony Polukhin.
// Copyright 2015-2021 Antony Polukhin.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
@@ -13,6 +13,7 @@
#endif
#include <boost/core/explicit_operator_bool.hpp>
#include <boost/core/no_exceptions_support.hpp>
#include <boost/container_hash/hash_fwd.hpp>
#include <iosfwd>
@@ -69,7 +70,7 @@ class basic_stacktrace {
return;
}
try {
BOOST_TRY {
{ // Fast path without additional allocations
native_frame_ptr_t buffer[buffer_size];
const std::size_t frames_count = boost::stacktrace::detail::this_thread_frames::collect(buffer, buffer_size < max_depth ? buffer_size : max_depth, frames_to_skip + 1);
@@ -95,9 +96,10 @@ class basic_stacktrace {
buf.resize(buf.size() * 2);
} while (buf.size() < buf.max_size()); // close to `true`, but suppresses `C4127: conditional expression is constant`.
} catch (...) {
} BOOST_CATCH (...) {
// ignore exception
}
BOOST_CATCH_END
}
/// @endcond

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -8,7 +8,7 @@
"Antony Polukhin <antoshkka -at- gmail.com>"
],
"description": "Gather, store, copy and print backtraces.",
"std": [ "proposal" ],
"std": [ "c++23" ],
"category": [
"System", "Correctness"
]

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@@ -1,4 +1,4 @@
# Copyright (C) 2016-2019, Antony Polukhin.
# Copyright (C) 2016-2021, Antony Polukhin.
#
# Use, modification and distribution is subject to the Boost Software License,
# Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at

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@@ -2,7 +2,7 @@
# subject to the Boost Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#
# Copyright Antony Polukhin 2016-2019.
# Copyright Antony Polukhin 2016-2021.
#
# See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at

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@@ -1,4 +1,4 @@
// Copyright Antony Polukhin, 2016-2020.
// Copyright Antony Polukhin, 2016-2021.
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at