+2012-06-14 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR libstdc++/53270
+ * include/ext/concurrence.h (__mutex, __recursive_mutex, __cond): Use
+ NSDMI in C++11 mode.
+ * include/ext/rope (_Refcount_Base): Likewise. Destroy mutex in
+ destructor when initialized by function.
+
2012-06-14 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/53648
class __mutex
{
private:
+#if __GTHREADS && defined __GTHREAD_MUTEX_INIT \
+ && defined __GXX_EXPERIMENTAL_CXX0X__
+ __gthread_mutex_t _M_mutex = __GTHREAD_MUTEX_INIT;
+#else
__gthread_mutex_t _M_mutex;
+#endif
__mutex(const __mutex&);
__mutex& operator=(const __mutex&);
if (__gthread_active_p())
{
#if defined __GTHREAD_MUTEX_INIT
+# ifndef __GXX_EXPERIMENTAL_CXX0X__
__gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT;
_M_mutex = __tmp;
+# endif
#else
__GTHREAD_MUTEX_INIT_FUNCTION(&_M_mutex);
#endif
class __recursive_mutex
{
private:
+#if __GTHREADS && defined __GTHREAD_RECURSIVE_MUTEX_INIT \
+ && defined __GXX_EXPERIMENTAL_CXX0X__
+ __gthread_recursive_mutex_t _M_mutex = __GTHREAD_RECURSIVE_MUTEX_INIT;
+#else
__gthread_recursive_mutex_t _M_mutex;
+#endif
__recursive_mutex(const __recursive_mutex&);
__recursive_mutex& operator=(const __recursive_mutex&);
if (__gthread_active_p())
{
#if defined __GTHREAD_RECURSIVE_MUTEX_INIT
+# ifndef __GXX_EXPERIMENTAL_CXX0X__
__gthread_recursive_mutex_t __tmp = __GTHREAD_RECURSIVE_MUTEX_INIT;
_M_mutex = __tmp;
+# endif
#else
__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION(&_M_mutex);
#endif
class __cond
{
private:
+#if __GTHREADS && defined __GTHREAD_COND_INIT \
+ && defined __GXX_EXPERIMENTAL_CXX0X__
+ __gthread_cond_t _M_cond = __GTHREAD_COND_INIT;
+#else
__gthread_cond_t _M_cond;
+#endif
__cond(const __cond&);
__cond& operator=(const __cond&);
if (__gthread_active_p())
{
#if defined __GTHREAD_COND_INIT
+# ifndef __GXX_EXPERIMENTAL_CXX0X__
__gthread_cond_t __tmp = __GTHREAD_COND_INIT;
_M_cond = __tmp;
+# endif
#else
__GTHREAD_COND_INIT_FUNCTION(&_M_cond);
#endif
volatile _RC_t _M_ref_count;
// Constructor
+#if defined __GTHREAD_MUTEX_INIT && defined __GXX_EXPERIMENTAL_CXX0X__
+ __gthread_mutex_t _M_ref_count_lock = __GTHREAD_MUTEX_INIT;
+#else
__gthread_mutex_t _M_ref_count_lock;
+#endif
_Refcount_Base(_RC_t __n) : _M_ref_count(__n), _M_ref_count_lock()
{
#ifdef __GTHREAD_MUTEX_INIT
+# ifndef __GXX_EXPERIMENTAL_CXX0X__
__gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT;
_M_ref_count_lock = __tmp;
+# endif
#elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
__GTHREAD_MUTEX_INIT_FUNCTION (&_M_ref_count_lock);
#else
#endif
}
+#ifndef __GTHREAD_MUTEX_INIT
+ ~_Refcount_Base()
+ { __gthread_mutex_destroy(&_M_ref_count_lock); }
+#endif
+
void
_M_incr()
{