@@ -209,11 +209,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_Sp_counted_base<_S_single>::
_M_add_ref_lock()
{
- if (__gnu_cxx::__exchange_and_add_dispatch(&_M_use_count, 1) == 0)
- {
- _M_use_count = 0;
- __throw_bad_weak_ptr();
- }
+ if (_M_use_count == 0)
+ __throw_bad_weak_ptr();
+ ++_M_use_count;
}
template<>
@@ -248,6 +246,41 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__ATOMIC_RELAXED));
}
+ template<>
+ inline void
+ _Sp_counted_base<_S_single>::_M_add_ref_copy()
+ { ++_M_use_count; }
+
+ template<>
+ inline void
+ _Sp_counted_base<_S_single>::_M_release() noexcept
+ {
+ if (--_M_use_count == 0)
+ {
+ _M_dispose();
+ if (--_M_weak_count == 0)
+ _M_destroy();
+ }
+ }
+
+ template<>
+ inline void
+ _Sp_counted_base<_S_single>::_M_weak_add_ref() noexcept
+ { ++_M_weak_count; }
+
+ template<>
+ inline void
+ _Sp_counted_base<_S_single>::_M_weak_release() noexcept
+ {
+ if (--_M_weak_count == 0)
+ _M_destroy();
+ }
+
+ template<>
+ inline long
+ _Sp_counted_base<_S_single>::_M_get_use_count() const noexcept
+ { return _M_use_count; }
+
// Forward declarations.
template<typename _Tp, _Lock_policy _Lp = __default_lock_policy>
@@ -32,7 +32,7 @@ void test01()
{
X* px = 0;
std::shared_ptr<X> p1(px); // { dg-error "here" }
- // { dg-error "incomplete" "" { target *-*-* } 779 }
+ // { dg-error "incomplete" "" { target *-*-* } 812 }
std::shared_ptr<X> p9(ap()); // { dg-error "here" }
// { dg-error "incomplete" "" { target *-*-* } 307 }
@@ -25,5 +25,5 @@
void test01()
{
std::shared_ptr<void> p((void*)nullptr); // { dg-error "here" }
- // { dg-error "incomplete" "" { target *-*-* } 778 }
+ // { dg-error "incomplete" "" { target *-*-* } 811 }
}