-//$$CDS-header$$
+/*
+ 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/init.h>
-#include <cds/cxx11_atomic.h>
+#include <cds/algo/atomic.h>
+#include <cds/algo/backoff_strategy.h>
-#if CDS_OS_INTERFACE == CDS_OSI_WINDOWS
+#if CDS_OS_INTERFACE == CDS_OSI_WINDOWS && CDS_OS_TYPE != CDS_OS_MINGW
# if CDS_COMPILER == CDS_COMPILER_MSVC || CDS_COMPILER == CDS_COMPILER_INTEL
# include <cds/threading/details/msvc_manager.h>
# endif
namespace cds {
- CDS_EXPORT_API CDS_ATOMIC::atomic<size_t> threading::ThreadData::s_nLastUsedProcNo(0);
- CDS_EXPORT_API size_t threading::ThreadData::s_nProcCount = 1;
-
#if CDS_OS_INTERFACE == CDS_OSI_WINDOWS
CDS_EXPORT_API DWORD cds::threading::wintls::Manager::Holder::m_key = TLS_OUT_OF_INDEXES;
-
- __declspec( thread ) threading::msvc_internal::ThreadDataPlaceholder threading::msvc_internal::s_threadData;
- __declspec( thread ) threading::ThreadData * threading::msvc_internal::s_pThreadData = NULL;
-
+# if CDS_COMPILER == CDS_COMPILER_MSVC || CDS_COMPILER == CDS_COMPILER_INTEL
+ __declspec( thread ) threading::msvc_internal::ThreadDataPlaceholder threading::msvc_internal::s_threadData;
+ __declspec(thread) threading::ThreadData * threading::msvc_internal::s_pThreadData = nullptr;
+# endif
#else
pthread_key_t threading::pthread::Manager::Holder::m_key;
# if CDS_COMPILER == CDS_COMPILER_GCC || CDS_COMPILER == CDS_COMPILER_CLANG
__thread threading::gcc_internal::ThreadDataPlaceholder CDS_DATA_ALIGNMENT(8) threading::gcc_internal::s_threadData;
- __thread threading::ThreadData * threading::gcc_internal::s_pThreadData = NULL;
+ __thread threading::ThreadData * threading::gcc_internal::s_pThreadData = nullptr;
# endif
#endif
#ifdef CDS_CXX11_THREAD_LOCAL_SUPPORT
thread_local threading::cxx11_internal::ThreadDataPlaceholder CDS_DATA_ALIGNMENT(8) threading::cxx11_internal::s_threadData;
- thread_local threading::ThreadData * threading::cxx11_internal::s_pThreadData = NULL;
+ thread_local threading::ThreadData * threading::cxx11_internal::s_pThreadData = nullptr;
#endif
namespace details {
- static CDS_ATOMIC::atomic<size_t> s_nInitCallCount(0);
+ static atomics::atomic<size_t> s_nInitCallCount(0);
bool CDS_EXPORT_API init_first_call()
{
- return s_nInitCallCount.fetch_add(1, CDS_ATOMIC::memory_order_relaxed) == 0;
+ return s_nInitCallCount.fetch_add(1, atomics::memory_order_relaxed) == 0;
}
bool CDS_EXPORT_API fini_last_call()
{
- if ( s_nInitCallCount.fetch_sub( 1, CDS_ATOMIC::memory_order_relaxed ) == 1 ) {
- CDS_ATOMIC::atomic_thread_fence( CDS_ATOMIC::memory_order_release );
+ if ( s_nInitCallCount.fetch_sub( 1, atomics::memory_order_relaxed ) == 1 ) {
+ atomics::atomic_thread_fence( atomics::memory_order_release );
return true;
}
return false;
}
} // namespace details
+ namespace backoff {
+ /*static*/ size_t exponential_runtime_traits::lower_bound = 16;
+ /*static*/ size_t exponential_runtime_traits::upper_bound = 16 * 1024;
+
+ /*static*/ unsigned delay_runtime_traits::timeout = 5;
+ } // namespace backoff
+
} // namespace cds