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Fixed a deadlock in free_unreachable_objects.

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[SVN r17090]
This commit is contained in:
Peter Dimov
2003-01-30 15:06:32 +00:00
parent cd41426fe9
commit ddf1f0fdcc
1 changed files with 13 additions and 11 deletions
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24
src/sp_collector.cpp
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@ -195,25 +195,27 @@ static void scan_and_free(void * area, size_t size, map2_type const & m2, free_l
void free_unreachable_objects()
{
map2_type m2;
free_list_type free;
{
map2_type m2;
#ifdef BOOST_HAS_THREADS
mutex_type::scoped_lock lock(get_mutex());
mutex_type::scoped_lock lock(get_mutex());
#endif
map_type const & m = get_map();
map_type const & m = get_map();
find_unreachable_objects_impl(m, m2);
find_unreachable_objects_impl(m, m2);
free_list_type free;
for(map2_type::iterator j = m2.begin(); j != m2.end(); ++j)
{
map_type::const_iterator i = m.find(j->first);
BOOST_ASSERT(i != m.end());
scan_and_free(i->second.first, i->second.second, m2, free);
for(map2_type::iterator j = m2.begin(); j != m2.end(); ++j)
{
map_type::const_iterator i = m.find(j->first);
BOOST_ASSERT(i != m.end());
scan_and_free(i->second.first, i->second.second, m2, free);
}
}
std::cout << "... about to free " << free.size() << " objects.\n";