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Squashed 'src/ipc/libmultiprocess/' content from commit 35944ffd23fa
git-subtree-dir: src/ipc/libmultiprocess git-subtree-split: 35944ffd23fa26652b82210351d50e896ce16c8f
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‎.clang-tidy

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Checks: '
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-*,
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bugprone-*,
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-bugprone-easily-swappable-parameters,
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-bugprone-exception-escape,
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-bugprone-move-forwarding-reference,
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-bugprone-narrowing-conversions,
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-bugprone-reserved-identifier,
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misc-*,
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-misc-non-private-member-variables-in-classes,
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-misc-no-recursion,
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-misc-unconventional-assign-operator,
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-misc-unused-parameters,
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-misc-use-anonymous-namespace,
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modernize-*,
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-modernize-avoid-c-arrays,
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-modernize-concat-nested-namespaces,
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-modernize-deprecated-headers,
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-modernize-use-nodiscard,
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-modernize-use-trailing-return-type,
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-modernize-use-using,
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performance-*,
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-performance-avoid-endl,
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-performance-noexcept-move-constructor,
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readability-*,
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-readability-braces-around-statements,
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-readability-convert-member-functions-to-static,
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-readability-else-after-return,
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-readability-function-cognitive-complexity,
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-readability-identifier-length,
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-readability-implicit-bool-conversion,
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-readability-inconsistent-declaration-parameter-name,
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-readability-magic-numbers,
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-readability-named-parameter,
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-readability-uppercase-literal-suffix,
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-readability-use-anyofallof,
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'
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CheckOptions:
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- key: modernize-use-override.IgnoreDestructors
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value: true
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HeaderFilterRegex: 'example/calculator.h|example/init.h|example/printer.h|include/mp/proxy-io.h|include/mp/proxy-types.h|include/mp/proxy.h|include/mp/util.h|test/mp/test/foo-types.h|test/mp/test/foo.h'

‎CMakeLists.txt

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# Copyright (c) 2019 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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cmake_minimum_required(VERSION 3.12)
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project("Libmultiprocess" CXX)
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if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_CXX_STANDARD_REQUIRED YES)
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endif()
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include("cmake/compat_find.cmake")
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find_package(CapnProto REQUIRED)
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find_package(Threads REQUIRED)
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option(Libmultiprocess_ENABLE_CLANG_TIDY "Run clang-tidy with the compiler." OFF)
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if(Libmultiprocess_ENABLE_CLANG_TIDY)
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find_program(CLANG_TIDY_EXECUTABLE NAMES clang-tidy)
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if(NOT CLANG_TIDY_EXECUTABLE)
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message(FATAL_ERROR "Libmultiprocess_ENABLE_CLANG_TIDY is ON but clang-tidy is not found.")
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endif()
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set(CMAKE_CXX_CLANG_TIDY "${CLANG_TIDY_EXECUTABLE}")
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endif()
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set(MPGEN_EXECUTABLE "" CACHE FILEPATH "If specified, should be full path to an external mpgen binary to use rather than the one built internally.")
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include("cmake/compat_config.cmake")
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include("cmake/pthread_checks.cmake")
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include(GNUInstallDirs)
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# Set MP_INCLUDE_DIR as a global property so target_capnp_sources function can
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# use it, and its callers don't need to specify the include directory manually
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# to avoid "error: Import failed: /mp/proxy.capnp" failures from capnproto.
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set_property(GLOBAL PROPERTY MP_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/include")
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# Set a convenience variable for subdirectories.
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if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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set(MP_STANDALONE TRUE)
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include(CTest)
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else()
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set(MP_STANDALONE FALSE)
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endif()
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# Prevent include directories from parent project from leaking into this one.
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set_property(DIRECTORY PROPERTY INCLUDE_DIRECTORIES "")
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# Generated C++ preprocessor defines
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configure_file(include/mp/config.h.in "${CMAKE_CURRENT_BINARY_DIR}/include/mp/config.h")
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# Generated C++ Capn'Proto schema files
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capnp_generate_cpp(MP_PROXY_SRCS MP_PROXY_HDRS include/mp/proxy.capnp)
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# util library
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add_library(mputil OBJECT src/mp/util.cpp)
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target_include_directories(mputil PRIVATE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>)
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target_link_libraries(mputil PUBLIC CapnProto::kj)
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# libmultiprocess.a runtime library
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set(MP_PUBLIC_HEADERS
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${MP_PROXY_HDRS}
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include/mp/proxy-io.h
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include/mp/proxy-types.h
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include/mp/proxy.h
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include/mp/type-char.h
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include/mp/type-chrono.h
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include/mp/type-context.h
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include/mp/type-data.h
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include/mp/type-decay.h
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include/mp/type-exception.h
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include/mp/type-function.h
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include/mp/type-interface.h
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include/mp/type-map.h
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include/mp/type-message.h
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include/mp/type-number.h
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include/mp/type-optional.h
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include/mp/type-pair.h
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include/mp/type-pointer.h
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include/mp/type-set.h
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include/mp/type-string.h
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include/mp/type-struct.h
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include/mp/type-threadmap.h
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include/mp/type-tuple.h
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include/mp/type-vector.h
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include/mp/type-void.h
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include/mp/util.h)
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add_library(multiprocess STATIC
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${MP_PROXY_SRCS}
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${MP_PUBLIC_HEADERS}
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src/mp/proxy.cpp
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$<TARGET_OBJECTS:mputil>)
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add_library(Libmultiprocess::multiprocess ALIAS multiprocess)
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target_include_directories(multiprocess PUBLIC
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$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
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target_link_libraries(multiprocess PUBLIC CapnProto::capnp)
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target_link_libraries(multiprocess PUBLIC CapnProto::capnp-rpc)
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target_link_libraries(multiprocess PUBLIC CapnProto::kj)
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target_link_libraries(multiprocess PUBLIC CapnProto::kj-async)
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set_target_properties(multiprocess PROPERTIES
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PUBLIC_HEADER "${MP_PUBLIC_HEADERS}")
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install(TARGETS multiprocess EXPORT LibTargets
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT lib
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PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/mp COMPONENT lib)
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# mpgen code generator
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add_executable(mpgen src/mp/gen.cpp $<TARGET_OBJECTS:mputil>)
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add_executable(Libmultiprocess::mpgen ALIAS mpgen)
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target_include_directories(mpgen PRIVATE $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>)
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target_include_directories(mpgen PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
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target_link_libraries(mpgen PRIVATE CapnProto::capnp)
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target_link_libraries(mpgen PRIVATE CapnProto::capnp-rpc)
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target_link_libraries(mpgen PRIVATE CapnProto::capnpc)
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target_link_libraries(mpgen PRIVATE CapnProto::kj)
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target_link_libraries(mpgen PRIVATE Threads::Threads)
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set_target_properties(mpgen PROPERTIES
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INSTALL_RPATH_USE_LINK_PATH TRUE)
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set_target_properties(mpgen PROPERTIES
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PUBLIC_HEADER include/mp/proxy.capnp)
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install(TARGETS mpgen EXPORT BinTargets
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin
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PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/mp COMPONENT bin)
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# makefile include to invoke mpgen code generator, for downstream Make projects
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install(FILES "include/mpgen.mk"
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DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT bin)
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# pkg-config module to build against libmultiprocess library, for downstream autoconf projects
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configure_file(pkgconfig/libmultiprocess.pc.in "${CMAKE_CURRENT_BINARY_DIR}/pkgconfig/libmultiprocess.pc" @ONLY)
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install(FILES "${CMAKE_CURRENT_BINARY_DIR}/pkgconfig/libmultiprocess.pc"
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig COMPONENT lib)
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# cmake include to invoke mpgen code generator, for downstream CMake projects
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install(
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FILES
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${CMAKE_CURRENT_SOURCE_DIR}/cmake/TargetCapnpSources.cmake
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/Libmultiprocess COMPONENT bin)
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# CMake target import files, for downstream CMake projects
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install(EXPORT BinTargets
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NAMESPACE Libmultiprocess::
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/Libmultiprocess COMPONENT bin)
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install(EXPORT LibTargets
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NAMESPACE Libmultiprocess::
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/Libmultiprocess COMPONENT lib)
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# CMake find_package config file, for downstream CMake projects
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include(CMakePackageConfigHelpers)
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configure_package_config_file(
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${PROJECT_SOURCE_DIR}/cmake/Config.cmake.in
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LibmultiprocessConfig.cmake
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INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/Libmultiprocess
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NO_SET_AND_CHECK_MACRO)
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install(
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FILES
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${CMAKE_CURRENT_BINARY_DIR}/LibmultiprocessConfig.cmake
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/Libmultiprocess
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COMPONENT common)
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# Makefile targets to support "make install-bin" "make install-lib"
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add_custom_target(install-bin
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COMMAND ${CMAKE_COMMAND} -DCOMPONENT=bin -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_install.cmake
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COMMAND ${CMAKE_COMMAND} -DCOMPONENT=common -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_install.cmake
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VERBATIM)
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add_dependencies(install-bin mpgen)
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add_custom_target(install-lib
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COMMAND ${CMAKE_COMMAND} -DCOMPONENT=lib -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_install.cmake
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COMMAND ${CMAKE_COMMAND} -DCOMPONENT=common -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_install.cmake
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VERBATIM)
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add_dependencies(install-lib multiprocess)
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# Example and test subdirectories
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add_subdirectory(example EXCLUDE_FROM_ALL)
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add_subdirectory(test EXCLUDE_FROM_ALL)

‎COPYING

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The MIT License (MIT)
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Copyright (c) 2009-2019 The Bitcoin Core developers
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Copyright (c) 2009-2019 Bitcoin Developers
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.

‎README.md

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# libmultiprocess
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`libmultiprocess` is a C++ library and code generator making it easy to call functions and reference objects in different processes.
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For more information see the [usage instructions](doc/usage.md), [installation instructions](doc/install.md), or [design documentation](doc/design.md).
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If you have any questions, comments, or feedback, please submit an [issue](https://github.com/bitcoin-core/libmultiprocess/issues/new).
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Duplicate issues are perfectly fine and all discussion about the project is welcome, since there isn't another discussion forum currently.

‎cmake/Config.cmake.in

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@PACKAGE_INIT@
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# CMake find_package compatible package file, for downstream CMake projects
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#
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# Based on https://cmake.org/cmake/help/latest/guide/importing-exporting/index.html#adding-components
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set(_Libmultiprocess_supported_components Bin Lib)
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# If no components specified, include all components.
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list(LENGTH ${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS ${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS_len)
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if(${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS_len EQUAL 0)
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set(${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS ${_Libmultiprocess_supported_components})
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endif()
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if ("Bin" IN_LIST ${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS)
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include("${CMAKE_CURRENT_LIST_DIR}/TargetCapnpSources.cmake")
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endif()
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if ("Lib" IN_LIST ${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS)
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# Setting FOUND_LIBATOMIC is needed on debian & ubuntu systems to work around bug in
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# their capnproto packages. See compat_find.cmake for a more complete explanation.
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set(FOUND_LIBATOMIC TRUE)
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include(CMakeFindDependencyMacro)
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find_dependency(CapnProto)
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endif()
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foreach(_comp ${${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS})
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if (NOT _comp IN_LIST _Libmultiprocess_supported_components)
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set(${CMAKE_FIND_PACKAGE_NAME}_FOUND False)
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set(${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE "Unsupported component: ${_comp}")
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endif()
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include("${CMAKE_CURRENT_LIST_DIR}/${_comp}Targets.cmake")
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endforeach()

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