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Improve Multi-threaded Performance. (#450)

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* Optimized multi-threading.

* Remove old multi-threading implementation.

* Release files instead of removing.

* Lock before choosing to check cache or download.

* Unlock directly after verifying directory exists.
This commit is contained in:
PercentBoat4164
2023-02-21 09:47:15 -05:00
committed by GitHub
parent 09b056ae20
commit 0938e8fde7
1 changed files with 10 additions and 5 deletions
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15
cmake/CPM.cmake
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@@ -713,9 +713,15 @@ function(CPMAddPackage)
get_filename_component(download_directory ${download_directory} ABSOLUTE)
list(APPEND CPM_ARGS_UNPARSED_ARGUMENTS SOURCE_DIR ${download_directory})
file(LOCK ${download_directory}/../cmake.lock)
if(CPM_SOURCE_CACHE)
file(LOCK ${download_directory}/../cmake.lock)
endif()
if(EXISTS ${download_directory})
if(CPM_SOURCE_CACHE)
file(LOCK ${download_directory}/../cmake.lock RELEASE)
endif()
cpm_store_fetch_properties(
${CPM_ARGS_NAME} "${download_directory}"
"${CPM_FETCHCONTENT_BASE_DIR}/${lower_case_name}-build"
@@ -783,6 +789,9 @@ function(CPMAddPackage)
"${CPM_ARGS_NAME}" "${CPM_ARGS_VERSION}" "${PACKAGE_INFO}" "${CPM_ARGS_UNPARSED_ARGUMENTS}"
)
cpm_fetch_package("${CPM_ARGS_NAME}" populated)
if(CPM_CACHE_SOURCE AND download_directory)
file(LOCK ${download_directory}/../cmake.lock RELEASE)
endif()
if(${populated})
cpm_add_subdirectory(
"${CPM_ARGS_NAME}" "${DOWNLOAD_ONLY}"
@@ -793,10 +802,6 @@ function(CPMAddPackage)
cpm_get_fetch_properties("${CPM_ARGS_NAME}")
endif()
if(EXISTS ${download_directory}/../cmake.lock)
file(LOCK ${download_directory}/../cmake.lock RELEASE)
endif()
set(${CPM_ARGS_NAME}_ADDED YES)
cpm_export_variables("${CPM_ARGS_NAME}")
endfunction()