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62 lines
1.8 KiB
CMake
62 lines
1.8 KiB
CMake
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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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# SPDX-License-Identifier: Apache-2.0.
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include(CheckSymbolExists)
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# Check how the platform supports setting thread name
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function(aws_set_thread_name_method target)
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if (WINDOWS)
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# On Windows we do a runtime check, instead of compile-time check
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return()
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elseif (APPLE)
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# All Apple platforms we support have the same function, so no need for compile-time check.
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return()
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endif()
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cmake_push_check_state()
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
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list(APPEND CMAKE_REQUIRED_LIBRARIES pthread)
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# The start of the test program
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set(c_source_start "
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#define _GNU_SOURCE
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#include <pthread.h>
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#if defined(__FreeBSD__) || defined(__NETBSD__)
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#include <pthread_np.h>
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#endif
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int main() {
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pthread_t thread_id;
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")
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# The end of the test program
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set(c_source_end "}")
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# pthread_setname_np() usually takes 2 args
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check_c_source_compiles("
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${c_source_start}
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pthread_setname_np(thread_id, \"asdf\");
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${c_source_end}"
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PTHREAD_SETNAME_TAKES_2ARGS)
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if (PTHREAD_SETNAME_TAKES_2ARGS)
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target_compile_definitions(${target} PRIVATE -DAWS_PTHREAD_SETNAME_TAKES_2ARGS)
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return()
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endif()
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# But on NetBSD it takes 3!
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check_c_source_compiles("
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${c_source_start}
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pthread_setname_np(thread_id, \"asdf\", NULL);
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${c_source_end}
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" PTHREAD_SETNAME_TAKES_3ARGS)
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if (PTHREAD_SETNAME_TAKES_3ARGS)
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target_compile_definitions(${target} PRIVATE -DAWS_PTHREAD_SETNAME_TAKES_3ARGS)
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return()
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endif()
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# And on many older/weirder platforms it's just not supported
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cmake_pop_check_state()
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endfunction()
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