From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- .../serialization/test/test_multi_shared_lib.cpp | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 src/boost/libs/serialization/test/test_multi_shared_lib.cpp (limited to 'src/boost/libs/serialization/test/test_multi_shared_lib.cpp') diff --git a/src/boost/libs/serialization/test/test_multi_shared_lib.cpp b/src/boost/libs/serialization/test/test_multi_shared_lib.cpp new file mode 100644 index 000000000..978e95916 --- /dev/null +++ b/src/boost/libs/serialization/test/test_multi_shared_lib.cpp @@ -0,0 +1,30 @@ +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// test_multi_shared_lib.cpp: test that implementation of extented_type_info +// works when using multiple shared libraries +// +// This reproduces a crash that occurred when multiple shared libraries were +// using Boost.Serialization built statically. That causes core singletons to be +// instantiated in each shared library separately. Due to some destruction order +// mixup in the context of shared libraries on linux it is possible, that +// singletons accessed in destructors of other singletons are already destructed. +// Accessing them will then lead to a crash or memory corruption. +// For this we need 2 shared libraries, linked against static boost. They need to +// instantiate extended_type_info_typeid with different types, either by serializing +// 2 types (which will do that internally) or by accessing the singletons directly. + +// (C) Copyright 2018 Alexander Grund +// Use, modification and distribution is 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) + +#include + +// Both shall instantiate different(!) singletons and return true +BOOST_SYMBOL_IMPORT bool f(); +BOOST_SYMBOL_IMPORT bool g(); + +int main(int argc, char**){ + if(f() && g()) + return 0; + return 1; +} -- cgit v1.2.3