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properly initilize enable_shared_from_this if the type is const

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This commit is contained in:
Antony Polukhin
2021-09-24 14:26:24 +03:00
parent e4259fe168
commit 122f69aa00
2 changed files with 28 additions and 1 deletions
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2
include/boost/interprocess/smart_ptr/shared_ptr.hpp
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@@ -56,7 +56,7 @@ namespace ipcdetail{
template<class T, class VoidAllocator, class Deleter>
inline void sp_enable_shared_from_this
(shared_count<T, VoidAllocator, Deleter> const & pn
,enable_shared_from_this<T, VoidAllocator, Deleter> *pe
,enable_shared_from_this<T, VoidAllocator, Deleter> const*pe
,T *ptr)
{

27
test/shared_ptr_test.cpp
View File

@@ -596,6 +596,32 @@ void test_alias()
shared_memory_object::remove(process_name.c_str());
}
struct std_deleter
{
typedef const void* pointer;
void operator()(const void* p) const;
};
struct shared_from_this_tester: enable_shared_from_this<
const shared_from_this_tester, std::allocator<void>, std_deleter
> {};
void std_deleter::operator()(const void* p) const
{
delete static_cast<const shared_from_this_tester*>(p);
}
void test_const_shared_from_this()
{
shared_ptr<const shared_from_this_tester, std::allocator<void>, std_deleter> cptr(
new shared_from_this_tester()
);
BOOST_TEST( cptr->shared_from_this().get() == cptr.get() );
}
int main()
{
if(0 != simple_test())
@@ -608,5 +634,6 @@ int main()
return 1;
test_alias();
test_const_shared_from_this();
}