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authorJonathan Wakely <jwakely@redhat.com>2022-05-12 20:46:55 +0100
committerJonathan Wakely <jwakely@redhat.com>2022-05-13 20:40:05 +0100
commit7f40ac326a1f347a826636bc392a4db185b78b95 (patch)
tree70b98c6be22de0b26c81b6dd8ab32138724dacfe
parent8659bcd6b7e692a9a516cd57bb19303a2efe78ba (diff)
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libstdc++: Make std::thread::_State private
* include/bits/std_thread.h (thread::_State, thread::_State_ptr): Declare as private unless _GLIBCXX_THREAD_IMPL is defined. * src/c++11/thread.cc (_GLIBCXX_THREAD_IMPL): Define.
-rw-r--r--libstdc++-v3/include/bits/std_thread.h21
-rw-r--r--libstdc++-v3/src/c++11/thread.cc1
2 files changed, 13 insertions, 9 deletions
diff --git a/libstdc++-v3/include/bits/std_thread.h b/libstdc++-v3/include/bits/std_thread.h
index f67bc11..d7fc012 100644
--- a/libstdc++-v3/include/bits/std_thread.h
+++ b/libstdc++-v3/include/bits/std_thread.h
@@ -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
diff --git a/libstdc++-v3/src/c++11/thread.cc b/libstdc++-v3/src/c++11/thread.cc
index 669fbb0..707a4ad 100644
--- a/libstdc++-v3/src/c++11/thread.cc
+++ b/libstdc++-v3/src/c++11/thread.cc
@@ -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>