@@ -79,15 +79,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{
public:
#ifdef _GLIBCXX_HAS_GTHREADS
- // Abstract base class for types that wrap arbitrary functors to be
- // invoked in the new thread of execution.
- struct _State
- {
- virtual ~_State();
- virtual void _M_run() = 0;
- };
- using _State_ptr = unique_ptr<_State>;
-
using native_handle_type = __gthread_t;
#else
using native_handle_type = int;
@@ -216,6 +207,18 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
hardware_concurrency() noexcept;
#ifdef _GLIBCXX_HAS_GTHREADS
+#ifndef _GLIBCXX_THREAD_IMPL
+ private:
+#endif
+ // Abstract base class for types that wrap arbitrary functors to be
+ // invoked in the new thread of execution.
+ struct _State
+ {
+ virtual ~_State();
+ virtual void _M_run() = 0;
+ };
+ using _State_ptr = unique_ptr<_State>;
+
private:
template<typename _Callable>
struct _State_impl : public _State
@@ -24,6 +24,7 @@
#define _GLIBCXX_THREAD_ABI_COMPAT 1
+#define _GLIBCXX_THREAD_IMPL 1
#include <memory> // include this first so <thread> can use shared_ptr
#include <thread>
#include <system_error>