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Fixed race condition for C++03 compilers

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git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@733 860be788-9bd5-4423-9f1e-828f051e677b
This commit is contained in:
mat007 2014-05-21 07:09:28 +00:00
parent b0fc3f45bc
commit a56267c468
1 changed files with 12 additions and 4 deletions
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16
turtle/detail/functor.hpp
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@ -17,23 +17,31 @@ namespace mock
{
namespace detail
{
class functor_mutex_t :
public boost::unit_test::singleton< functor_mutex_t >,
public mutex
{
private:
BOOST_TEST_SINGLETON_CONS( functor_mutex_t );
};
BOOST_TEST_SINGLETON_INST( functor_mutex )
template< typename Signature >
struct functor : function< Signature >
{
functor()
{
static mutex m_;
scoped_lock _( m_ );
scoped_lock _( functor_mutex );
static functor* f = 0;
if( f )
{
*this = *f;
f = 0;
m_.unlock();
functor_mutex.unlock();
}
else
{
m_.lock();
functor_mutex.lock();
f = this;
}
}