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Merge 47357 (atomic access N2674 edits) from trunk to release.

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[SVN r47358]
This commit is contained in:
Peter Dimov
2008-07-12 16:18:05 +00:00
parent 991b02b03e
commit 556b9fe563
4 changed files with 98 additions and 73 deletions
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test/sp_atomic_test.cpp
+11 -11
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@@ -25,31 +25,31 @@ int main()
boost::shared_ptr<X> px( new X );
{
boost::shared_ptr<X> p2 = px.atomic_load();
boost::shared_ptr<X> p2 = boost::atomic_load( &px );
BOOST_TEST_SP_EQ( p2, px );
boost::shared_ptr<X> px2( new X );
px.atomic_store( px2 );
boost::atomic_store( &px, px2 );
BOOST_TEST_SP_EQ( px, px2 );
p2 = px.atomic_load();
p2 = boost::atomic_load( &px );
BOOST_TEST_SP_EQ( p2, px );
BOOST_TEST_SP_EQ( p2, px2 );
boost::shared_ptr<X> px3( new X );
boost::shared_ptr<X> p3 = px.atomic_swap( px3 );
boost::shared_ptr<X> p3 = boost::atomic_exchange( &px, px3 );
BOOST_TEST_SP_EQ( p3, px2 );
BOOST_TEST_SP_EQ( px, px3 );
boost::shared_ptr<X> px4( new X );
boost::shared_ptr<X> cmp;
bool r = px.atomic_compare_swap( cmp, px4 );
bool r = boost::atomic_compare_exchange( &px, &cmp, px4 );
BOOST_TEST( !r );
BOOST_TEST_SP_EQ( px, px3 );
BOOST_TEST_SP_EQ( cmp, px3 );
r = px.atomic_compare_swap( cmp, px4 );
r = boost::atomic_compare_exchange( &px, &cmp, px4 );
BOOST_TEST( r );
BOOST_TEST_SP_EQ( px, px4 );
}
@@ -59,26 +59,26 @@ int main()
px.reset();
{
boost::shared_ptr<X> p2 = px.atomic_load( boost::memory_order_acquire );
boost::shared_ptr<X> p2 = boost::atomic_load_explicit( &px, boost::memory_order_acquire );
BOOST_TEST_SP_EQ( p2, px );
boost::shared_ptr<X> px2( new X );
px.atomic_store( px2, boost::memory_order_release );
boost::atomic_store_explicit( &px, px2, boost::memory_order_release );
BOOST_TEST_SP_EQ( px, px2 );
boost::shared_ptr<X> p3 = px.atomic_swap( boost::shared_ptr<X>(), boost::memory_order_acq_rel );
boost::shared_ptr<X> p3 = boost::atomic_exchange_explicit( &px, boost::shared_ptr<X>(), boost::memory_order_acq_rel );
BOOST_TEST_SP_EQ( p3, px2 );
BOOST_TEST_SP_EQ( px, p2 );
boost::shared_ptr<X> px4( new X );
boost::shared_ptr<X> cmp( px2 );
bool r = px.atomic_compare_swap( cmp, px4, boost::memory_order_acquire, boost::memory_order_relaxed );
bool r = boost::atomic_compare_exchange_explicit( &px, &cmp, px4, boost::memory_order_acquire, boost::memory_order_relaxed );
BOOST_TEST( !r );
BOOST_TEST_SP_EQ( px, p2 );
BOOST_TEST_SP_EQ( cmp, p2 );
r = px.atomic_compare_swap( cmp, px4, boost::memory_order_release, boost::memory_order_acquire );
r = boost::atomic_compare_exchange_explicit( &px, &cmp, px4, boost::memory_order_release, boost::memory_order_acquire );
BOOST_TEST( r );
BOOST_TEST_SP_EQ( px, px4 );
}