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Fix perf issue where main event loop takes 100% of CPU #132

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merged 5 commits into from
Aug 17, 2017
Merged

Fix perf issue where main event loop takes 100% of CPU #132

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540dc3e
Fix perf issue where main event loop takes 100% of CPU
pensivebrian Aug 17, 2017
77cf167
Appease pylint
pensivebrian Aug 17, 2017
3e529ce
VS solution/project tweaks
pensivebrian Aug 17, 2017
fac35ab
Merge dev
pensivebrian Aug 17, 2017
f426c42
Add build.py to VS project
pensivebrian Aug 17, 2017
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3 changes: 2 additions & 1 deletion mssqlscripter/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -86,8 +86,9 @@ def main(args):
scripting_request.execute()

while not scripting_request.completed():
# The sleep prevents burning up the CPU and lets other threads get scheduled.
time.sleep(0.1)
response = scripting_request.get_response()

if response:
scriptercallbacks.handle_response(response, parameters.DisplayProgress)

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15 changes: 4 additions & 11 deletions sql-xplat-cli.pyproj
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,13 @@
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{f4bb6290-43f3-4f35-b26e-067c5ef8e64b}</ProjectGuid>
<ProjectHome />
<StartupFile>build.py</StartupFile>
<StartupFile>mssqlscripter\main.py</StartupFile>
<SearchPath>.</SearchPath>
<WorkingDirectory>.</WorkingDirectory>
<OutputPath>.</OutputPath>
<ProjectTypeGuids>{888888a0-9f3d-457c-b088-3a5042f75d52}</ProjectTypeGuids>
<LaunchProvider>Standard Python launcher</LaunchProvider>
<InterpreterId>Global|PythonCore|2.7</InterpreterId>
<CommandLineArguments>
</CommandLineArguments>
<CommandLineArguments>-S localhost -d AdventureWorks2014</CommandLineArguments>
<EnableNativeCodeDebugging>False</EnableNativeCodeDebugging>
<IsWindowsApplication>False</IsWindowsApplication>
</PropertyGroup>
Expand All @@ -26,6 +24,7 @@
<Content Include=".gitignore" />
<Content Include="appveyor.yml" />
<Content Include="dev_requirements.txt" />
<Content Include="doc\README.md" />
<Content Include="doc\architecture_guide.md" />
<Content Include="doc\development_guide.md" />
<Content Include="doc\pypi_release_steps.md" />
Expand All @@ -49,9 +48,7 @@
<Content Include=".travis.yml" />
</ItemGroup>
<ItemGroup>
<Compile Include="build.py">
<SubType>Code</SubType>
</Compile>
<Compile Include="build.py" />
<Compile Include="dev_setup.py" />
<Compile Include="mssqlscripter\argparser.py" />
<Compile Include="mssqlscripter\jsonrpc\contracts\scriptingservice.py" />
Expand Down Expand Up @@ -89,9 +86,5 @@
<Folder Include="mssqltoolsservice\" />
<Folder Include="mssqltoolsservice\mssqltoolsservice\" />
</ItemGroup>
<ItemGroup>
<InterpreterReference Include="Global|PythonCore|2.7" />
<InterpreterReference Include="Global|PythonCore|3.6" />
</ItemGroup>
<Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\Python Tools\Microsoft.PythonTools.targets" />
</Project>
2 changes: 1 addition & 1 deletion sql-xplat-cli.sln
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Expand Up @@ -18,6 +18,6 @@ Global
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {1DD06426-BEB7-4299-B45E-04535B761301}
SolutionGuid = {1A0F24BB-2803-4A8C-9816-CB374FAAC673}
EndGlobalSection
EndGlobal