-//$$CDS-header$$
+/*
+ This file is a part of libcds - Concurrent Data Structures library
+
+ (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
+
+ Source code repo: http://github.com/khizmax/libcds/
+ Download: http://sourceforge.net/projects/libcds/files/
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
#include <cds/urcu/details/sh.h>
#ifdef CDS_URCU_SIGNAL_HANDLING_ENABLED
namespace cds { namespace urcu { namespace details {
- template<> CDS_EXPORT_API singleton_vtbl * sh_singleton_instance< signal_buffered_tag >::s_pRCU = null_ptr<singleton_vtbl *>();
- template<> CDS_EXPORT_API singleton_vtbl * sh_singleton_instance< signal_threaded_tag >::s_pRCU = null_ptr<singleton_vtbl *>();
+ template<> CDS_EXPORT_API singleton_vtbl * sh_singleton_instance< signal_buffered_tag >::s_pRCU = nullptr;
+
+ template <>
+ void sh_singleton<signal_buffered_tag>::signal_handler( int /*signo*/, siginfo_t * /*sigInfo*/, void * /*context*/ )
+ {
+ thread_record * pRec = cds::threading::getRCU<signal_buffered_tag>();
+ if ( pRec ) {
+ atomics::atomic_signal_fence( atomics::memory_order_acquire );
+ pRec->m_bNeedMemBar.store( false, atomics::memory_order_relaxed );
+ atomics::atomic_signal_fence( atomics::memory_order_release );
+ }
+ }
}}} // namespace cds::urcu::details