X-Git-Url: http://plrg.eecs.uci.edu/git/?p=libcds.git;a=blobdiff_plain;f=cds%2Furcu%2Fsignal_buffered.h;h=1ba5bab6792fadc597e84b8789744138dff7c37f;hp=c9ffe3157155ff634703896d6bface98780037d6;hb=HEAD;hpb=cd966029597d5c6bdcb6cd4d4a0c2926ec46e4d1 diff --git a/cds/urcu/signal_buffered.h b/cds/urcu/signal_buffered.h index c9ffe315..1ba5bab6 100644 --- a/cds/urcu/signal_buffered.h +++ b/cds/urcu/signal_buffered.h @@ -1,4 +1,32 @@ -//$$CDS-header$$ +/* + 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. +*/ #ifndef CDSLIB_URCU_SIGNAL_BUFFERED_H #define CDSLIB_URCU_SIGNAL_BUFFERED_H @@ -11,13 +39,13 @@ namespace cds { namespace urcu { /// User-space signal-handled RCU with deferred buffered reclamation /** @anchor cds_urcu_signal_buffered_gc - This is a wrapper around signal_buffered class used for metaprogramming. + This is a wrapper around \p signal_buffered class. Template arguments: - \p Buffer - lock-free queue or lock-free bounded queue. - Default is cds::container::VyukovMPMCCycleQueue< retired_ptr > + Default is \p cds::container::VyukovMPMCCycleQueue< retired_ptr > - \p Lock - mutex type, default is \p std::mutex - - \p Backoff - back-off schema, default is cds::backoff::Default + - \p Backoff - back-off schema, default is \p cds::backoff::Default */ template < #ifdef CDS_DOXGEN_INVOKED @@ -75,9 +103,9 @@ namespace cds { namespace urcu { If the buffer is full, \ref synchronize function is invoked. */ template - static void retire_ptr( T * p, void (* pFunc)(T *) ) + static void retire_ptr( T* p, free_retired_ptr_func pFunc ) { - retired_ptr rp( reinterpret_cast( p ), reinterpret_cast( pFunc ) ); + retired_ptr rp( p, pFunc ); retire_ptr( rp ); } @@ -86,7 +114,7 @@ namespace cds { namespace urcu { If the buffer is full, \ref synchronize function is invoked. */ template - static void retire_ptr( T * p ) + static void retire_ptr( T* p ) { retire_ptr( p, cds::details::static_functor::call ); } @@ -107,6 +135,13 @@ namespace cds { namespace urcu { rcu_implementation::instance()->batch_retire( itFirst, itLast ); } + /// Retires the pointer chain until \p Func returns \p nullptr retired pointer + template + static void batch_retire( Func e ) + { + rcu_implementation::instance()->batch_retire( e ); + } + /// Acquires access lock (so called RCU reader-side lock) /** For safety reasons, it is better to use \ref scoped_lock class for locking/unlocking @@ -157,6 +192,13 @@ namespace cds { namespace urcu { } }; + //@cond + template<> + class gc< signal_buffered_stripped >: public gc< signal_buffered<>> + {}; + //@endcond + + }} // namespace cds::urcu #endif // #ifdef CDS_URCU_SIGNAL_HANDLING_ENABLED