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c0c465de23
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c8-stream-
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.gitignore
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SOURCES/libpmemobj-cpp-1.13.0.tar.gz
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SOURCES/libpmemobj-cpp-1.13.0.tar.gz
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/libpmemobj-cpp-1.13.0.tar.gz
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25d601e0140f3d8db94edb19902826a6b91286e4 libpmemobj-cpp-1.13.0.tar.gz
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25d601e0140f3d8db94edb19902826a6b91286e4 SOURCES/libpmemobj-cpp-1.13.0.tar.gz
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From 41ddc88a80160050b0ac1a51cb258f8918edf9aa Mon Sep 17 00:00:00 2001
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From: "Lucas A. M. Magalhaes" <lamm@linux.ibm.com>
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Date: Wed, 23 Jun 2021 15:05:50 -0300
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Subject: [PATCH] vector: Fix undefined behaviour on realloc
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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On tests listed bellow the reserve method is being called before any
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allocation on the object therefore realloc being called without
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any previous allocation. Inside realloc _data is being used with the
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operator '[]', as it is nullptr at that moment it's an undefined
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behaviour.
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This patch simply returns a call to alloc if _data is nullptr.
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This tests fails on PowerPC with Segmentation Fault because of this
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issue:
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segment_vector_array_expsize_assign_exceptions_oom_0_none
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segment_vector_array_expsize_assign_exceptions_oom_0_memcheck
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segment_vector_array_expsize_capacity_exceptions_oom_0_none
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segment_vector_array_expsize_capacity_exceptions_oom_0_memcheck
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segment_vector_array_expsize_modifiers_exceptions_oom_0_none
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segment_vector_array_expsize_modifiers_exceptions_oom_0_memcheck
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segment_vector_vector_expsize_assign_exceptions_oom_0_none
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segment_vector_vector_expsize_assign_exceptions_oom_0_memcheck
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segment_vector_vector_expsize_capacity_exceptions_oom_0_none
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segment_vector_vector_expsize_capacity_exceptions_oom_0_memcheck
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segment_vector_vector_expsize_modifiers_exceptions_oom_0_none
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segment_vector_vector_expsize_modifiers_exceptions_oom_0_memcheck
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segment_vector_vector_fixedsize_assign_exceptions_oom_0_none
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segment_vector_vector_fixedsize_assign_exceptions_oom_0_memcheck
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Signed-off-by: Lucas A. M. Magalhães lamm@linux.ibm.com
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---
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include/libpmemobj++/container/vector.hpp | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/include/libpmemobj++/container/vector.hpp b/include/libpmemobj++/container/vector.hpp
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index f430ed50..9810220b 100644
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--- a/include/libpmemobj++/container/vector.hpp
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+++ b/include/libpmemobj++/container/vector.hpp
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@@ -2362,7 +2362,8 @@ vector<T>::internal_insert(size_type idx, InputIt first, InputIt last)
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* Private helper function. Must be called during transaction. Allocates new
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* memory for capacity_new number of elements and copies or moves old elements
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* to new memory area. If the current size is greater than capacity_new, the
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- * container is reduced to its first capacity_new elements.
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+ * container is reduced to its first capacity_new elements. If was never
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+ * allocated behaves as an alloc call.
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*
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* param[in] capacity_new new capacity.
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*
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@@ -2381,6 +2382,13 @@ vector<T>::realloc(size_type capacity_new)
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{
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assert(pmemobj_tx_stage() == TX_STAGE_WORK);
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+ /*
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+ * If _data == nullptr this object has never allocated any memory
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+ * so we need to behave as alloc instead.
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+ */
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+ if (_data == nullptr)
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+ return alloc(capacity_new);
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+
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/*
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* XXX: future optimization: we don't have to snapshot data
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* which we will not overwrite
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--
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2.27.0
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@ -1,73 +0,0 @@
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diff --git a/include/libpmemobj++/container/vector.hpp b/include/libpmemobj++/container/vector.hpp
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--- a/include/libpmemobj++/container/vector.hpp
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+++ b/include/libpmemobj++/container/vector.hpp
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@@ -668,7 +668,7 @@ vector<T>::assign(size_type count, const_reference value)
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add_data_to_tx(0, size_old);
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std::fill_n(
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- &_data[0],
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+ _data.get(),
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(std::min)(count,
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static_cast<size_type>(size_old)),
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value);
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@@ -1600,7 +1600,7 @@ vector<T>::insert(const_iterator pos, size_type count, const value_type &value)
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single_element_iterator<value_type>(&value, count));
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});
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- return iterator(&_data[static_cast<difference_type>(idx)]);
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+ return iterator(_data.get() + static_cast<difference_type>(idx));
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}
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/**
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@@ -1843,7 +1843,7 @@ typename vector<T>::iterator
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vector<T>::erase(const_iterator first, const_iterator last)
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{
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size_type idx = static_cast<size_type>(
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- std::distance(const_iterator(&_data[0]), first));
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+ std::distance(const_iterator(_data.get()), first));
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size_type count = static_cast<size_type>(std::distance(first, last));
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if (count == 0)
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@@ -2306,10 +2306,11 @@ vector<T>::internal_insert(size_type idx, InputIt first, InputIt last)
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auto count = static_cast<size_type>(std::distance(first, last));
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if (_capacity >= size() + count) {
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- pointer dest =
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- &_data[static_cast<difference_type>(size() + count)];
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- pointer begin = &_data[static_cast<difference_type>(idx)];
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- pointer end = &_data[static_cast<difference_type>(size())];
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+ pointer dest = _data.get() +
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+ static_cast<difference_type>(size() + count);
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+ pointer begin = _data.get() + static_cast<difference_type>(idx);
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+ pointer end =
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+ _data.get() + static_cast<difference_type>(size());
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add_data_to_tx(idx, size() - idx + count);
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@@ -2327,9 +2328,11 @@ vector<T>::internal_insert(size_type idx, InputIt first, InputIt last)
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auto old_data = _data;
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auto old_size = _size;
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- pointer old_begin = &_data[0];
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- pointer old_mid = &_data[static_cast<difference_type>(idx)];
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- pointer old_end = &_data[static_cast<difference_type>(size())];
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+ pointer old_begin = _data.get();
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+ pointer old_mid =
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+ _data.get() + static_cast<difference_type>(idx);
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+ pointer old_end =
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+ _data.get() + static_cast<difference_type>(size());
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_data = nullptr;
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_size = _capacity = 0;
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@@ -2397,7 +2400,7 @@ vector<T>::realloc(size_type capacity_new)
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auto old_data = _data;
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auto old_size = _size;
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- pointer old_begin = &_data[0];
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+ pointer old_begin = _data.get();
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pointer old_end = capacity_new < _size
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? &_data[static_cast<difference_type>(capacity_new)]
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: &_data[static_cast<difference_type>(size())];
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--
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2.27.0
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--- !Policy
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product_versions:
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- rhel-9
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decision_context: osci_compose_gate
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rules:
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- !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
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# SPELLING ERRORS
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addFilter(r'spelling-error .* en_US (libpmemobj|transactional)')
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addFilter(r'spelling-error .*\(en_US\) (libpmemobj|transactional)')
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1
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1
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SHA512 (libpmemobj-cpp-1.13.0.tar.gz) = 3968ab725fc439dd00638fd3306d8e9229bb36bf9cfa3faf97a78e41ef05293deff1e4f147f6b4c0a6164f7d153cb21764617b5a39bf4164a6b325d620cf1441
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1
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--- libpmemobj-cpp-1.12/CMakeLists.txt.orig 2021-08-04 11:05:28.909569992 -0400
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+++ libpmemobj-cpp-1.12/CMakeLists.txt 2021-08-04 11:06:02.922687943 -0400
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@@ -272,9 +272,6 @@ install(FILES ${CMAKE_CURRENT_BINARY_DIR
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/libpmemobj++/cmake)
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-# set up project's include dir (our source 'include' dir)
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-include_directories(include)
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-
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# Run checks for known issues, it's required to enable/disable some tests and examples.
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# It has to be executed (included) here, when environment is fully set up,
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# all packages are found and all paths/variables are set.
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---
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standard-inventory-qcow2:
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qemu:
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m: 2G
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#!/bin/bash
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set -e
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NRCPUS=$(getconf _NPROCESSORS_ONLN)
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patchfile="$PWD/libpmemobj-test-installed-libs.patch"
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cd source
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patch -p1 < $patchfile
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mkdir build
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cd build
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cmake .. -DTESTS_USE_VALGRIND=OFF -DTESTS_LONG=OFF -DTESTS_USE_FORCED_PMEM=ON
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make -j $NRCPUS
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ctest --output-on-failure
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- hosts: localhost
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roles:
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- role: standard-test-source
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tags:
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- always
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- role: standard-test-basic
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tags:
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- atomic
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- classic
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required_packages:
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- libpmemobj-devel
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- libpmemobj++-devel
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- gcc-c++
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- cmake
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- make
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- glibc-devel
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- pkgconfig
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- doxygen
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- gdb
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- perl-Encode
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tests:
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- regression: # Run tests
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dir: .
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run: ./run_test.sh
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