mirror of
https://gitlab.com/niansa/libcrosscoro.git
synced 2025-03-06 20:53:32 +01:00
e9b225e42f
* io_scheduler inline support * add debug info for io_scheduler size issue * move poll info into its own file * cleanup for feature * Fix valgrind introduced use after free with inline processing Running the coroutines inline with event processing caused a use after free bug with valgrind detected in the inline tcp server/client benchmark code. Basically if an event and a timeout occured in the same time period because the inline processing would resume _inline_ with the event or the timeout -- if the timeout and event occured in the same epoll_wait() function call then the second one's coroutine stackframe would already be destroyed upon resuming it so the poll_info->processed check would be reading already free'ed memory. The solution to this was to introduce a vector of coroutine handles which are appended into on each epoll_wait() iteration of events and timeouts, and only then after the events and timeouts are deduplicated are the coroutine handles resumed. This new vector has elided a malloc in the timeout function, but there is still a malloc to extract the poll infos from the timeout multimap data structure. The vector is also on the class member list and is only ever cleared, it is possible with a monster set of timeouts that this vector could grow extremely large, but I think that is worth the price of not re-allocating it.
95 lines
No EOL
3.4 KiB
CMake
95 lines
No EOL
3.4 KiB
CMake
cmake_minimum_required(VERSION 3.0)
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project(libcoro CXX)
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# Set the githooks directory to auto format and update the readme.
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message("${PROJECT_NAME} ${CMAKE_CURRENT_SOURCE_DIR} -> git config --local core.hooksPath .githooks")
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execute_process(
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COMMAND git config --local core.hooksPath .githooks
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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)
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option(LIBCORO_BUILD_TESTS "Build the tests, Default=ON." ON)
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option(LIBCORO_CODE_COVERAGE "Enable code coverage, tests must also be enabled, Default=OFF" OFF)
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option(LIBCORO_BUILD_EXAMPLES "Build the examples, Default=ON." ON)
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message("${PROJECT_NAME} LIBCORO_BUILD_TESTS = ${LIBCORO_BUILD_TESTS}")
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message("${PROJECT_NAME} LIBCORO_CODE_COVERAGE = ${LIBCORO_CODE_COVERAGE}")
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message("${PROJECT_NAME} LIBCORO_BUILD_EXAMPLES = ${LIBCORO_BUILD_EXAMPLES}")
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set(CARES_STATIC ON CACHE INTERNAL "")
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set(CARES_SHARED OFF CACHE INTERNAL "")
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set(CARES_INSTALL OFF CACHE INTERNAL "")
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add_subdirectory(vendor/c-ares/c-ares)
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set(LIBCORO_SOURCE_FILES
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inc/coro/concepts/awaitable.hpp
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inc/coro/concepts/buffer.hpp
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inc/coro/concepts/executor.hpp
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inc/coro/concepts/promise.hpp
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inc/coro/concepts/range_of.hpp
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inc/coro/detail/poll_info.hpp
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inc/coro/detail/void_value.hpp
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inc/coro/net/connect.hpp src/net/connect.cpp
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inc/coro/net/dns_resolver.hpp src/net/dns_resolver.cpp
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inc/coro/net/hostname.hpp
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inc/coro/net/ip_address.hpp src/net/ip_address.cpp
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inc/coro/net/recv_status.hpp src/net/recv_status.cpp
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inc/coro/net/send_status.hpp src/net/send_status.cpp
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inc/coro/net/socket.hpp src/net/socket.cpp
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inc/coro/net/ssl_context.hpp src/net/ssl_context.cpp
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inc/coro/net/ssl_handshake_status.hpp
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inc/coro/net/tcp_client.hpp src/net/tcp_client.cpp
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inc/coro/net/tcp_server.hpp src/net/tcp_server.cpp
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inc/coro/net/udp_peer.hpp src/net/udp_peer.cpp
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inc/coro/coro.hpp
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inc/coro/event.hpp src/event.cpp
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inc/coro/fd.hpp
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inc/coro/generator.hpp
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inc/coro/io_scheduler.hpp src/io_scheduler.cpp
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inc/coro/latch.hpp
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inc/coro/mutex.hpp src/mutex.cpp
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inc/coro/poll.hpp
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inc/coro/ring_buffer.hpp
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inc/coro/semaphore.hpp src/semaphore.cpp
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inc/coro/shared_mutex.hpp
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inc/coro/stop_signal.hpp
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inc/coro/sync_wait.hpp src/sync_wait.cpp
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inc/coro/task_container.hpp
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inc/coro/task.hpp
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inc/coro/thread_pool.hpp src/thread_pool.cpp
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inc/coro/when_all.hpp
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)
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add_library(${PROJECT_NAME} STATIC ${LIBCORO_SOURCE_FILES})
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set_target_properties(${PROJECT_NAME} PROPERTIES LINKER_LANGUAGE CXX)
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target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_20)
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target_include_directories(${PROJECT_NAME} PUBLIC inc)
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target_link_libraries(${PROJECT_NAME} PUBLIC pthread c-ares ssl crypto)
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if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "10.2.0")
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message(FATAL_ERROR "gcc version ${CMAKE_CXX_COMPILER_VERSION} is unsupported, please upgrade to at least 10.2.0")
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endif()
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target_compile_options(${PROJECT_NAME} PUBLIC -fcoroutines -Wall -Wextra -pipe)
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elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
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message(FATAL_ERROR "Clang is currently not supported.")
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endif()
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if(LIBCORO_BUILD_TESTS)
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if(LIBCORO_CODE_COVERAGE)
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target_compile_options(${PROJECT_NAME} PRIVATE --coverage)
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target_link_libraries(${PROJECT_NAME} PRIVATE gcov)
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endif()
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enable_testing()
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add_subdirectory(test)
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endif()
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if(LIBCORO_BUILD_EXAMPLES)
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add_subdirectory(examples)
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endif() |