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boost_shared_ptr.h (_Sp_counted_base::release, [...]): Protect barriers with __GTHREADS. 

2005-11-10  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/boost_shared_ptr.h (_Sp_counted_base::release,
	weak_release): Protect barriers with __GTHREADS.

From-SVN: r106733
This commit is contained in:
Paolo Carlini 2005-11-10 12:03:50 +00:00 committed by Paolo Carlini
parent f45ddfe08e
commit a15024e630
2 changed files with 10 additions and 4 deletions
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5
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,8 @@
2005-11-10 Paolo Carlini <pcarlini@suse.de>
* include/tr1/boost_shared_ptr.h (_Sp_counted_base::release,
weak_release): Protect barriers with __GTHREADS.
2005-11-10 Paolo Carlini <pcarlini@suse.de>
Peter Dimov <pdimov@mmltd.net>

9
libstdc++-v3/include/tr1/boost_shared_ptr.h
View File

@ -151,10 +151,10 @@ public:
if (__gnu_cxx::__exchange_and_add(&_M_use_count, -1) == 1)
{
dispose();
#ifdef __GTHREADS
_GLIBCXX_READ_MEM_BARRIER;
_GLIBCXX_WRITE_MEM_BARRIER;
#endif
if (__gnu_cxx::__exchange_and_add(&_M_weak_count, -1) == 1)
destroy();
}
@ -171,8 +171,10 @@ public:
{
if (__gnu_cxx::__exchange_and_add(&_M_weak_count, -1) == 1)
{
#ifdef __GTHREADS
_GLIBCXX_READ_MEM_BARRIER;
_GLIBCXX_WRITE_MEM_BARRIER;
#endif
destroy();
}
}
@ -326,7 +328,6 @@ public:
{ return _M_pi ? _M_pi->get_deleter(__ti) : 0; }
};
class weak_count
{
private:
@ -418,6 +419,7 @@ shared_count::shared_count(const weak_count& __r)
__throw_bad_weak_ptr();
}
// fwd decls
template<typename _Tp>
class weak_ptr;
@ -850,7 +852,6 @@ template<typename _Tp>
#endif
} // XXX MT
long
use_count() const // never throws
{ return _M_refcount.use_count(); }