Boost.Atomic: Fixed incorrect initialization of 128-bit values
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Petr Machata
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76691c3d42
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7a87d76794
48
boost-1.55.0-atomic-int128_1.patch
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48
boost-1.55.0-atomic-int128_1.patch
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@ -0,0 +1,48 @@
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From 6bb71fdd8f7cc346d90fb14beb38b7297fc1ffd9 Mon Sep 17 00:00:00 2001
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From: Andrey Semashev <andrey.semashev@gmail.com>
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Date: Sun, 26 Jan 2014 13:58:48 +0400
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Subject: [PATCH] Fixed incorrect initialization of 128-bit values, when no
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native support for 128-bit integers is available.
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---
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include/boost/atomic/detail/cas128strong.hpp | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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diff --git a/include/boost/atomic/detail/cas128strong.hpp b/include/boost/atomic/detail/cas128strong.hpp
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index 906c13e..dcb4d7d 100644
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--- a/include/boost/atomic/detail/cas128strong.hpp
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+++ b/include/boost/atomic/detail/cas128strong.hpp
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@@ -196,15 +196,17 @@ protected:
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public:
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BOOST_DEFAULTED_FUNCTION(base_atomic(void), {})
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- explicit base_atomic(value_type const& v) BOOST_NOEXCEPT : v_(0)
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+ explicit base_atomic(value_type const& v) BOOST_NOEXCEPT
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{
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+ memset(&v_, 0, sizeof(v_));
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memcpy(&v_, &v, sizeof(value_type));
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}
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void
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store(value_type const& value, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT
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{
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- storage_type value_s = 0;
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+ storage_type value_s;
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+ memset(&value_s, 0, sizeof(value_s));
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memcpy(&value_s, &value, sizeof(value_type));
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platform_fence_before_store(order);
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platform_store128(value_s, &v_);
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@@ -247,7 +249,9 @@ public:
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memory_order success_order,
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memory_order failure_order) volatile BOOST_NOEXCEPT
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{
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- storage_type expected_s = 0, desired_s = 0;
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+ storage_type expected_s, desired_s;
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+ memset(&expected_s, 0, sizeof(expected_s));
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+ memset(&desired_s, 0, sizeof(desired_s));
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memcpy(&expected_s, &expected, sizeof(value_type));
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memcpy(&desired_s, &desired, sizeof(value_type));
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--
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2.1.0
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68
boost-1.55.0-atomic-int128_2.patch
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68
boost-1.55.0-atomic-int128_2.patch
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@ -0,0 +1,68 @@
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From e4bde20f2eec0a51be14533871d2123bd2ab9cf3 Mon Sep 17 00:00:00 2001
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From: Andrey Semashev <andrey.semashev@gmail.com>
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Date: Fri, 28 Feb 2014 12:43:11 +0400
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Subject: [PATCH] More compilation fixes for the case when 128-bit integers are
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not supported.
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---
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include/boost/atomic/detail/gcc-atomic.hpp | 17 ++++++++++++-----
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1 file changed, 12 insertions(+), 5 deletions(-)
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diff --git a/include/boost/atomic/detail/gcc-atomic.hpp b/include/boost/atomic/detail/gcc-atomic.hpp
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index a130590..4af99a1 100644
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--- a/include/boost/atomic/detail/gcc-atomic.hpp
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+++ b/include/boost/atomic/detail/gcc-atomic.hpp
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@@ -958,14 +958,16 @@ protected:
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public:
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BOOST_DEFAULTED_FUNCTION(base_atomic(void), {})
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- explicit base_atomic(value_type const& v) BOOST_NOEXCEPT : v_(0)
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+ explicit base_atomic(value_type const& v) BOOST_NOEXCEPT
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{
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+ memset(&v_, 0, sizeof(v_));
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memcpy(&v_, &v, sizeof(value_type));
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}
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void store(value_type const& v, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT
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{
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- storage_type tmp = 0;
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+ storage_type tmp;
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+ memset(&tmp, 0, sizeof(tmp));
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memcpy(&tmp, &v, sizeof(value_type));
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__atomic_store_n(&v_, tmp, atomics::detail::convert_memory_order_to_gcc(order));
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}
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@@ -980,7 +982,8 @@ public:
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value_type exchange(value_type const& v, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT
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{
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- storage_type tmp = 0;
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+ storage_type tmp;
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+ memset(&tmp, 0, sizeof(tmp));
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memcpy(&tmp, &v, sizeof(value_type));
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tmp = __atomic_exchange_n(&v_, tmp, atomics::detail::convert_memory_order_to_gcc(order));
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value_type res;
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@@ -994,7 +997,9 @@ public:
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memory_order success_order,
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memory_order failure_order) volatile BOOST_NOEXCEPT
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{
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- storage_type expected_s = 0, desired_s = 0;
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+ storage_type expected_s, desired_s;
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+ memset(&expected_s, 0, sizeof(expected_s));
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+ memset(&desired_s, 0, sizeof(desired_s));
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memcpy(&expected_s, &expected, sizeof(value_type));
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memcpy(&desired_s, &desired, sizeof(value_type));
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const bool success = __atomic_compare_exchange_n(&v_, &expected_s, desired_s, false,
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@@ -1010,7 +1015,9 @@ public:
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memory_order success_order,
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memory_order failure_order) volatile BOOST_NOEXCEPT
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{
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- storage_type expected_s = 0, desired_s = 0;
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+ storage_type expected_s, desired_s;
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+ memset(&expected_s, 0, sizeof(expected_s));
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+ memset(&desired_s, 0, sizeof(desired_s));
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memcpy(&expected_s, &expected, sizeof(value_type));
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memcpy(&desired_s, &desired, sizeof(value_type));
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const bool success = __atomic_compare_exchange_n(&v_, &expected_s, desired_s, true,
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--
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2.1.0
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15
boost.spec
15
boost.spec
@ -36,7 +36,7 @@ Name: boost
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Summary: The free peer-reviewed portable C++ source libraries
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Version: 1.55.0
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%define version_enc 1_55_0
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Release: 5%{?dist}
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Release: 6%{?dist}
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License: Boost and MIT and Python
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%define toplev_dirname %{name}_%{version_enc}
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@ -99,6 +99,7 @@ Patch5: boost-1.48.0-add-bjam-man-page.patch
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# https://bugzilla.redhat.com/show_bug.cgi?id=828856
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# https://bugzilla.redhat.com/show_bug.cgi?id=828857
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# https://svn.boost.org/trac/boost/ticket/6701
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Patch15: boost-1.50.0-pool.patch
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# https://svn.boost.org/trac/boost/ticket/8844
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@ -160,6 +161,10 @@ Patch57: boost-1.55.0-spirit-unused_typedefs.patch
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# https://bugzilla.redhat.com/show_bug.cgi?id=1159960
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Patch58: boost-1.54.0-smart_ptr-shared_ptr_at.patch
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# https://bugzilla.redhat.com/show_bug.cgi?id=1177066
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Patch59: boost-1.55.0-atomic-int128_1.patch
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Patch60: boost-1.55.0-atomic-int128_2.patch
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%bcond_with tests
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%bcond_with docs_generated
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@ -647,6 +652,8 @@ a number of significant features and is now developed independently
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%patch56 -p1
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%patch57 -p1
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%patch58 -p1
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%patch59 -p2
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%patch60 -p2
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# At least python2_version needs to be a macro so that it's visible in
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# %%install as well.
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@ -1249,6 +1256,12 @@ rm -rf $RPM_BUILD_ROOT
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%{_mandir}/man1/bjam.1*
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%changelog
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* Fri Jan 2 2015 Petr Machata <pmachata@redhat.com> - 1.55.0-6
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- Boost.Atomic: Fixed incorrect initialization of 128-bit values, when
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no native support for 128-bit integers is available.
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(boost-1.55.0-atomic-int128_1.patch,
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boost-1.55.0-atomic-int128_2.patch)
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* Wed Nov 12 2014 Petr Machata <pmachata@redhat.com> - 1.55.0-5
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- Fix boost::shared_ptr<T>::operator[], which was ill-formed for
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non-array T's. (boost-1.54.0-smart_ptr-shared_ptr_at.patch)
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