Merge branch 'epex4' into uberpoll

14 files changed, 348 insertions, 0 deletions

diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index 539f474f9e..2e8ccf812b 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@@ -162,6 +162,15 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "channel_create_test", "vcxp
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "check_epollexclusive", "vcxproj\.\check_epollexclusive\check_epollexclusive.vcxproj", "{03306445-5BA0-289C-02AB-513DE6C52124}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_hpack_encoder_test", "vcxproj\test\chttp2_hpack_encoder_test\chttp2_hpack_encoder_test.vcxproj", "{19F92966-3B0E-4FF8-CD7C-435D353E079E}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1914,6 +1923,22 @@ Global
 		{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|Win32.Build.0 = Release|Win32
 		{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|x64.ActiveCfg = Release|x64
 		{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|x64.Build.0 = Release|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.ActiveCfg = Debug|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.ActiveCfg = Debug|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.ActiveCfg = Release|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.ActiveCfg = Release|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.Build.0 = Debug|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.Build.0 = Debug|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.Build.0 = Release|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.Build.0 = Release|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.Build.0 = Debug|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.Build.0 = Release|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.ActiveCfg = Release|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.Build.0 = Release|x64
 		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|Win32.ActiveCfg = Debug|Win32
 		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|x64.ActiveCfg = Debug|x64
 		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/grpc.sln b/vsprojects/grpc.sln
index 97378e0a0f..307ae4b599 100644
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@@ -8,6 +8,15 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ares", "vcxproj\.\ares\ares
         	lib = "True"
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "check_epollexclusive", "vcxproj\.\check_epollexclusive\check_epollexclusive.vcxproj", "{03306445-5BA0-289C-02AB-513DE6C52124}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gen_hpack_tables", "vcxproj\.\gen_hpack_tables\gen_hpack_tables.vcxproj", "{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -190,6 +199,22 @@ Global
 		{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|Win32.Build.0 = Release|Win32
 		{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|x64.ActiveCfg = Release|x64
 		{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|x64.Build.0 = Release|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.ActiveCfg = Debug|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.ActiveCfg = Debug|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.ActiveCfg = Release|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.ActiveCfg = Release|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.Build.0 = Debug|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.Build.0 = Debug|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.Build.0 = Release|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.Build.0 = Release|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.Build.0 = Debug|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.Build.0 = Release|Win32
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.ActiveCfg = Release|x64
+		{03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.Build.0 = Release|x64
 		{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Debug|Win32.ActiveCfg = Debug|Win32
 		{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Debug|x64.ActiveCfg = Debug|x64
 		{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj
new file mode 100644
index 0000000000..36e6fee0db
--- /dev/null
+++ b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{03306445-5BA0-289C-02AB-513DE6C52124}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>check_epollexclusive</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>check_epollexclusive</TargetName>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\build\check_epollexclusive.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+  </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters
new file mode 100644
index 0000000000..5572541d1d
--- /dev/null
+++ b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\build\check_epollexclusive.c">
+      <Filter>test\build</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{98195cc4-af1b-3ef2-80a8-86b96fa1c488}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\build">
+      <UniqueIdentifier>{c32fe5ee-bf78-58e4-fa70-b9294e48a136}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
index fff963448d..087fb61252 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@@ -397,6 +397,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
@@ -406,6 +407,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -427,6 +429,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -614,6 +617,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -634,6 +639,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
index f80c92f3f6..23a44a3ebd 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
@@ -187,6 +187,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -217,6 +220,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -917,6 +923,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -944,6 +953,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -1007,6 +1019,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
index 3df9d38761..0b7d9a4ca1 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
@@ -391,6 +391,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
@@ -400,6 +401,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -421,6 +423,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -598,6 +601,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -618,6 +623,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index 3de0554d48..e4d96f0785 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -172,6 +172,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -202,6 +205,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -884,6 +890,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -911,6 +920,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -974,6 +986,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index d5f8db160b..d288981ab9 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -321,6 +321,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
@@ -330,6 +331,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -351,6 +353,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -555,6 +558,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -575,6 +580,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index c9f53b96de..6dbde3fb5f 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -67,6 +67,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -97,6 +100,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -884,6 +890,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -911,6 +920,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -974,6 +986,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index b3030846ba..3302a6cdcd 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -216,6 +216,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
@@ -225,6 +226,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -246,6 +248,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -387,6 +390,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -407,6 +412,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 992e09e65f..40b120e53e 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -124,6 +124,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -154,6 +157,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -632,6 +638,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -659,6 +668,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -722,6 +734,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index bcc080861b..e4a910fe1e 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -311,6 +311,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
@@ -320,6 +321,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -341,6 +343,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -522,6 +525,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -542,6 +547,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index d7aed9b220..737c49ac35 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -70,6 +70,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -100,6 +103,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
       <Filter>src\core\lib\iomgr</Filter>
     </ClCompile>
@@ -794,6 +800,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -821,6 +830,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
@@ -884,6 +896,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
       <Filter>src\core\lib\iomgr</Filter>
     </ClInclude>