8174690f77
A Worker::Task is an object that can be sent to a worker for
execution. The task is sent to the worker using the messaging
mechanism where the `execute` function of the task will be
called in the thread context of the worker.
There are two kinds of tasks; regular tasks and disposable tasks.
The former are just sent to the worker for execution while the
latter are sent and subsequently disposed of, once the task has
been executed.
A disposable task can be sent to either one worker or to all
workers. In the latter case, the task will be deleted once it
has been executed by all workers.
A semaphore can be associated with a regular task. Once the task
has been executed by the worker, the semaphore will automatically
be posted. That way, it is trivial to send a task for execution
to a worker and wait until the task has been executed. For instance:
Semaphore sem;
MyTask task;
pWorker->execute(&task, &sem);
sem.wait();
const MyResult& result = task.result();
The low level mechanism for posting and broadcasting messages will
be removed.
85 lines
1.8 KiB
CMake
85 lines
1.8 KiB
CMake
add_library(maxscale-common SHARED
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adminusers.cc
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alloc.cc
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atomic.cc
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authenticator.cc
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buffer.cc
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config.cc
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config_runtime.cc
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dcb.cc
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externcmd.cc
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filter.cc
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hashtable.cc
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hint.cc
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housekeeper.cc
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listener.cc
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load_utils.cc
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log_manager.cc
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maxscale_pcre2.cc
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misc.cc
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mlist.cc
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messagequeue.cc
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modulecmd.cc
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modutil.cc
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monitor.cc
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mysql_binlog.cc
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mysql_utils.cc
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paths.cc
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poll.cc
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query_classifier.cc
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queuemanager.cc
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random_jkiss.cc
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resultset.cc
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router.cc
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secrets.cc
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semaphore.cc
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server.cc
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service.cc
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session.cc
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skygw_utils.cc
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spinlock.cc
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ssl.cc
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statistics.cc
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thread.cc
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users.cc
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utils.cc
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worker.cc
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workertask.cc
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)
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if(WITH_JEMALLOC)
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target_link_libraries(maxscale-common ${JEMALLOC_LIBRARIES})
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elseif(WITH_TCMALLOC)
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target_link_libraries(maxscale-common ${TCMALLOC_LIBRARIES})
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endif()
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target_link_libraries(maxscale-common ${MARIADB_CONNECTOR_LIBRARIES} ${LZMA_LINK_FLAGS} ${PCRE2_LIBRARIES} ${CURL_LIBRARIES} ssl pthread crypt dl crypto inih z rt m stdc++)
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add_dependencies(maxscale-common pcre2 connector-c)
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set_target_properties(maxscale-common PROPERTIES VERSION "1.0.0")
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install_module(maxscale-common core)
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add_executable(maxscale gateway.cc)
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add_dependencies(maxscale pcre2)
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if(WITH_JEMALLOC)
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target_link_libraries(maxscale ${JEMALLOC_LIBRARIES})
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elseif(WITH_TCMALLOC)
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target_link_libraries(maxscale ${TCMALLOC_LIBRARIES})
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endif()
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target_link_libraries(maxscale maxscale-common)
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install_executable(maxscale core)
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add_executable(maxkeys maxkeys.c)
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target_link_libraries(maxkeys maxscale-common)
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install_executable(maxkeys core)
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add_executable(maxpasswd maxpasswd.c)
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target_link_libraries(maxpasswd maxscale-common)
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install_executable(maxpasswd core)
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if(BUILD_TESTS)
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add_subdirectory(test)
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endif()
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