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ios_init.cc (ios_base::Init::~Init): Add back semicolon at the end of the _GLIBCXX_SYNCHRONIZATION_HAPPENS* macros...

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2010-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	* src/ios_init.cc (ios_base::Init::~Init): Add back semicolon
	at the end of the _GLIBCXX_SYNCHRONIZATION_HAPPENS* macros,
	removed by mistake.
	* include/tr1_impl/boost_sp_counted_base.h: Likewise.
	* include/ext/rc_string_base.h: Likewise.
	* include/bits/locale_classes.h: Likewise.
	* include/bits/basic_string.h: Likewise.
	* include/bits/ios_base.h: Likewise.
	* include/bits/c++config: Adjust comment.

From-SVN: r163223
This commit is contained in:
Paolo Carlini 2010-08-13 11:48:34 +00:00 committed by Paolo Carlini
parent ec760bea7f
commit 8c61f40011
8 changed files with 32 additions and 20 deletions
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12
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,15 @@
2010-08-13 Paolo Carlini <paolo.carlini@oracle.com>
* src/ios_init.cc (ios_base::Init::~Init): Add back semicolon
at the end of the _GLIBCXX_SYNCHRONIZATION_HAPPENS_* macros,
removed by mistake.
* include/tr1_impl/boost_sp_counted_base.h: Likewise.
* include/ext/rc_string_base.h: Likewise.
* include/bits/locale_classes.h: Likewise.
* include/bits/basic_string.h: Likewise.
* include/bits/ios_base.h: Likewise.
* include/bits/c++config: Adjust comment.
2010-08-12 Kostya Serebryany <kcc@google.com>
Paolo Carlini <paolo.carlini@oracle.com>

4
libstdc++-v3/include/bits/basic_string.h
View File

@ -234,11 +234,11 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
#endif
{
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&this->_M_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&this->_M_refcount);
if (__gnu_cxx::__exchange_and_add_dispatch(&this->_M_refcount,
-1) <= 0)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&this->_M_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&this->_M_refcount);
_M_destroy(__a);
}
}

4
libstdc++-v3/include/bits/c++config
View File

@ -71,10 +71,10 @@
// current implementation of the library) is atomic reference counting:
// void _M_remove_reference()
// {
// _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&this->_M_refcount)
// _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&this->_M_refcount);
// if (__gnu_cxx::__exchange_and_add_dispatch(&this->_M_refcount, -1) <= 0)
// {
// _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&this->_M_refcount)
// _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&this->_M_refcount);
// _M_destroy(__a);
// }
// }

4
libstdc++-v3/include/bits/ios_base.h
View File

@ -476,11 +476,11 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
_M_remove_reference()
{
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount);
int __res = __gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1);
if (__res == 0)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount);
}
return __res;
}

8
libstdc++-v3/include/bits/locale_classes.h
View File

@ -403,10 +403,10 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
_M_remove_reference() const throw()
{
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount);
if (__gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1) == 1)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount);
__try
{ delete this; }
__catch(...)
@ -512,10 +512,10 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
_M_remove_reference() throw()
{
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount);
if (__gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1) == 1)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount);
__try
{ delete this; }
__catch(...)

4
libstdc++-v3/include/ext/rc_string_base.h
View File

@ -201,12 +201,12 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
{
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_rep()->_M_info.
_M_refcount)
_M_refcount);
if (__exchange_and_add_dispatch(&_M_rep()->_M_info._M_refcount,
-1) <= 0)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_rep()->_M_info.
_M_refcount)
_M_refcount);
_M_rep()->_M_destroy(_M_get_allocator());
}
} // XXX MT

12
libstdc++-v3/include/tr1_impl/boost_sp_counted_base.h
View File

@ -140,10 +140,10 @@ _GLIBCXX_BEGIN_NAMESPACE_TR1
_M_release() // nothrow
{
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_use_count)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_use_count);
if (__gnu_cxx::__exchange_and_add_dispatch(&_M_use_count, -1) == 1)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_use_count)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_use_count);
_M_dispose();
// There must be a memory barrier between dispose() and destroy()
// to ensure that the effects of dispose() are observed in the
@ -156,11 +156,11 @@ _GLIBCXX_BEGIN_NAMESPACE_TR1
}
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_weak_count)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_weak_count);
if (__gnu_cxx::__exchange_and_add_dispatch(&_M_weak_count,
-1) == 1)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_weak_count)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_weak_count);
_M_destroy();
}
}
@ -174,10 +174,10 @@ _GLIBCXX_BEGIN_NAMESPACE_TR1
_M_weak_release() // nothrow
{
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_weak_count)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_weak_count);
if (__gnu_cxx::__exchange_and_add_dispatch(&_M_weak_count, -1) == 1)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_weak_count)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_weak_count);
if (_Mutex_base<_Lp>::_S_need_barriers)
{
// See _M_release(),

4
libstdc++-v3/src/ios_init.cc
View File

@ -123,10 +123,10 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
ios_base::Init::~Init()
{
// Be race-detector-friendly. For more info see bits/c++config.
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_S_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_S_refcount);
if (__gnu_cxx::__exchange_and_add_dispatch(&_S_refcount, -1) == 2)
{
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_S_refcount)
_GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_S_refcount);
// Catch any exceptions thrown by basic_ostream::flush()
__try
{