62 lines
2.1 KiB
Diff
62 lines
2.1 KiB
Diff
libmariadb: Fix async api by linking to libucontext
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The asynchronous API of libmariadb uses cooperative multi threading
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by using the system calls
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* makecontext
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* swapcontext
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* getcontext
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* setcontext
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of the ucontext.h C-API.
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Thus additionally link libmariadb to libucontext which is a library
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providing these system calls on platforms not supporting them out of
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the box - like musl based platforms.
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--- a/libmariadb/CMakeLists.txt
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+++ b/libmariadb/CMakeLists.txt
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@@ -417,7 +417,7 @@ ELSE()
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SET_TARGET_PROPERTIES(libmariadb PROPERTIES LINKER_LANGUAGE C)
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ENDIF()
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-TARGET_LINK_LIBRARIES(libmariadb LINK_PRIVATE ${SYSTEM_LIBS})
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+TARGET_LINK_LIBRARIES(libmariadb LINK_PRIVATE ${SYSTEM_LIBS} ${LIBUCONTEXT_POSIX} ${LIBUCONTEXT})
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SIGN_TARGET(libmariadb)
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -230,6 +230,14 @@ IF(UNIX)
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SEARCH_LIBRARY(LIBPTHREAD pthread_getspecific "pthread;pthreads")
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SEARCH_LIBRARY(LIBNSL gethostbyname_r "nsl_r;nsl")
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SEARCH_LIBRARY(LIBSOCKET setsockopt socket)
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+ SEARCH_LIBRARY(LIBUCONTEXT libucontext_swapcontext libucontext.a)
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+ SEARCH_LIBRARY(LIBUCONTEXT_POSIX swapcontext libucontext_posix.a)
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+ IF (NOT HAVE_LIBUCONTEXT_POSIX OR NOT HAVE_LIBUCONTEXT)
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+ UNSET(HAVE_LIBUCONTEXT)
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+ UNSET(LIBUCONTEXT)
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+ UNSET(HAVE_LIBUCONTEXT_POSIX)
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+ UNSET(LIBUCONTEXT_POSIX)
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+ ENDIF()
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FIND_PACKAGE(Threads)
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SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${LIBNSL} ${LIBBIND} ${LIBICONV} ${LIBZ}
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${LIBSOCKET} ${CMAKE_DL_LIBS} ${LIBM} ${LIBPTHREAD})
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--- a/include/ma_config.h.in
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+++ b/include/ma_config.h.in
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@@ -28,6 +28,7 @@
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#cmakedefine HAVE_SYS_UN_H 1
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#cmakedefine HAVE_UNISTD_H 1
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#cmakedefine HAVE_UCONTEXT_H 1
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+#cmakedefine HAVE_LIBUCONTEXT_POSIX 1
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/*
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* function definitions - processed in LibmysqlFunctions.txt
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--- a/include/ma_context.h
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+++ b/include/ma_context.h
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@@ -31,7 +31,7 @@
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#define MY_CONTEXT_USE_X86_64_GCC_ASM
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#elif defined(__GNUC__) && __GNUC__ >= 3 && defined(__i386__)
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#define MY_CONTEXT_USE_I386_GCC_ASM
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-#elif defined(HAVE_UCONTEXT_H)
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+#elif defined(HAVE_UCONTEXT_H) || defined(HAVE_LIBUCONTEXT_POSIX)
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#define MY_CONTEXT_USE_UCONTEXT
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#else
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#define MY_CONTEXT_DISABLE
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