[Facades] Adds System.Threading.Tasks.Extensions for mobile profiles (#9968)

* [Facades] Adds System.Threading.Tasks.Extensions for mobile profile

* Bump API snapshot submodule

* [csproj] Update project files

6 files changed, 212 insertions, 1 deletions

diff --git a/mcs/class/Facades/System.Threading.Tasks.Extensions/AssemblyInfo.cs b/mcs/class/Facades/System.Threading.Tasks.Extensions/AssemblyInfo.cs
new file mode 100644
index 00000000000..81d888cec0c
--- /dev/null
+++ b/mcs/class/Facades/System.Threading.Tasks.Extensions/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+//
+// Copyright (C) 2018  Microsoft Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+[assembly: AssemblyTitle ("System.Threading.Tasks.Extensions")]
+[assembly: AssemblyDescription ("System.Threading.Tasks.Extensions")]
+[assembly: AssemblyDefaultAlias ("System.Threading.Tasks.Extensions")]
+[assembly: AssemblyCompany ("Mono development team")]
+[assembly: AssemblyProduct ("Mono Common Language Infrastructure")]
+[assembly: AssemblyCopyright ("(c) Various Mono authors")]
+[assembly: AssemblyVersion ("4.2.0.0")]
+[assembly: AssemblyInformationalVersion ("4.0.0.0")]
+[assembly: AssemblyFileVersion ("4.0.0.0")]
diff --git a/mcs/class/Facades/System.Threading.Tasks.Extensions/Facades_System.Threading.Tasks.Extensions.csproj b/mcs/class/Facades/System.Threading.Tasks.Extensions/Facades_System.Threading.Tasks.Extensions.csproj
new file mode 100644
index 00000000000..c0cbfd950f3
--- /dev/null
+++ b/mcs/class/Facades/System.Threading.Tasks.Extensions/Facades_System.Threading.Tasks.Extensions.csproj
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="utf-8"?>

+<!-- WARNING: this file is autogenerated, don't modify it. Edit the .sources file of the corresponding assembly instead if you want to add/remove C# source files. -->

+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

+  <PropertyGroup>

+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>

+    <Platform Condition=" '$(Platform)' == '' ">net_4_x</Platform>

+    <ProjectGuid>{872B3426-C074-4EB6-BFEB-9C42A883E23A}</ProjectGuid>

+    <OutputType>Library</OutputType>

+    <NoWarn>1699,1616,1699</NoWarn>

+    <LangVersion>latest</LangVersion>

+    <HostPlatform Condition=" '$(HostPlatform)' == '' and '$(OS)' == 'Windows_NT'">win32</HostPlatform>

+    <HostPlatform Condition=" '$(HostPlatform)' == '' and '$(OS)' == 'Unix' and $([System.IO.File]::Exists('/usr/lib/libc.dylib'))">darwin</HostPlatform>

+    <HostPlatform Condition=" '$(HostPlatform)' == '' and '$(OS)' == 'Unix'">linux</HostPlatform>

+    <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>

+    <NoStdLib>True</NoStdLib>

+    <NoConfig>True</NoConfig>

+    <AssemblyName>System.Threading.Tasks.Extensions</AssemblyName>

+    <TargetFrameworkVersion>v2.1</TargetFrameworkVersion>

+    <SignAssembly>true</SignAssembly>

+    <DelaySign>true</DelaySign>

+    <AssemblyOriginatorKeyFile>../../Open.snk</AssemblyOriginatorKeyFile>

+  </PropertyGroup>

+  <!-- Set AddAdditionalExplicitAssemblyReferences to false, otherwise if targetting .NET4.0, 

+  Microsoft.NETFramework.props will force a dependency on the assembly System.Core. This

+  is a problem to compile the Mono mscorlib.dll -->

+  <PropertyGroup>

+    <AddAdditionalExplicitAssemblyReferences>false</AddAdditionalExplicitAssemblyReferences>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'monodroid' ">

+    <OutputPath>./../../../class/lib/monodroid/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MONO;MOBILE;MOBILE_LEGACY;MOBILE_DYNAMIC;MONODROID;ANDROID</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'monotouch' ">

+    <OutputPath>./../../../class/lib/monotouch/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MOBILE;MOBILE_LEGACY;MONO;MONOTOUCH;DISABLE_REMOTING;DISABLE_COM;FEATURE_INTERCEPTABLE_THREADPOOL_CALLBACK;FULL_AOT_RUNTIME</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'monotouch_watch' ">

+    <OutputPath>./../../../class/lib/monotouch_watch/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MOBILE;MOBILE_LEGACY;MONO;MONOTOUCH;DISABLE_REMOTING;DISABLE_COM;FEATURE_INTERCEPTABLE_THREADPOOL_CALLBACK;FULL_AOT_RUNTIME;FEATURE_NO_BSD_SOCKETS;MONOTOUCH_WATCH</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'monotouch_tv' ">

+    <OutputPath>./../../../class/lib/monotouch_tv/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MOBILE;MOBILE_LEGACY;MONO;MONOTOUCH;DISABLE_REMOTING;DISABLE_COM;FEATURE_INTERCEPTABLE_THREADPOOL_CALLBACK;FULL_AOT_RUNTIME;MONOTOUCH_TV</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'testing_aot_full' ">

+    <OutputPath>./../../../class/lib/testing_aot_full/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MONO;MOBILE;MOBILE_LEGACY;FULL_AOT_DESKTOP;FULL_AOT_RUNTIME;DISABLE_REMOTING;DISABLE_COM</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'winaot' ">

+    <OutputPath>./../../../class/lib/winaot/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MONO;MOBILE;MOBILE_LEGACY;FULL_AOT_DESKTOP;FULL_AOT_RUNTIME;DISABLE_REMOTING;DISABLE_COM;WIN_PLATFORM</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'xammac' ">

+    <OutputPath>./../../../class/lib/xammac/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MONO;MOBILE;MOBILE_DYNAMIC;XAMMAC;FEATURE_INTERCEPTABLE_THREADPOOL_CALLBACK;XAMARIN_MODERN</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'orbis' ">

+    <OutputPath>./../../../class/lib/orbis/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MONO;MOBILE;MOBILE_LEGACY;FULL_AOT_DESKTOP;FULL_AOT_RUNTIME;ORBIS;DISABLE_REMOTING;DISABLE_COM</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'unreal' ">

+    <OutputPath>./../../../class/lib/unreal/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;MOBILE;MOBILE_DYNAMIC;NET_3_5;NET_4_0;NET_4_5;MONO</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Platform)' == 'wasm' ">

+    <OutputPath>./../../../class/lib/wasm/Facades</OutputPath>

+    <IntermediateOutputPath>./../../../class/obj/$(AssemblyName)-Facades</IntermediateOutputPath>

+    <DefineConstants>NET_1_1;NET_2_0;NET_2_1;NET_3_5;NET_4_0;NET_4_5;MONO;MOBILE;MOBILE_LEGACY;FULL_AOT_DESKTOP;FULL_AOT_RUNTIME;WASM;DISABLE_REMOTING;DISABLE_COM;FEATURE_NO_BSD_SOCKETS</DefineConstants>

+  </PropertyGroup>

+  <!-- @ALL_PROFILE_PROPERTIES@ -->

+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">

+    <DebugSymbols>true</DebugSymbols>

+    <DebugType>full</DebugType>

+    <Optimize>false</Optimize>

+    <!-- TRACE is set only for Debug configuration, so inherit from platform-specific value -->

+    <DefineConstants>TRACE;$(DefineConstants)</DefineConstants>

+  </PropertyGroup>

+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">

+    <DebugType>pdbonly</DebugType>

+    <Optimize>true</Optimize>

+  </PropertyGroup>

+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

+  <!-- @BUILT_SOURCES@ -->

+  <ItemGroup>

+    <Compile Include="AssemblyInfo.cs" />

+    <Compile Include="TypeForwarders.cs" />

+  </ItemGroup>

+  <ItemGroup></ItemGroup>

+  <!-- @ALL_SOURCES@ -->

+  <ItemGroup>

+    <ProjectReference Include="../../corlib/corlib.csproj" />

+  </ItemGroup>

+  <ItemGroup Condition=" '$(Platform)' == 'testing_aot_full' ">

+    <Reference Include="nunitlite">

+      <HintPath>..\lib\testing_aot_full\nunitlite.dll</HintPath>

+      <Private>False</Private>

+    </Reference>

+  </ItemGroup>

+  <!-- @ALL_REFERENCES@ -->

+  <!-- @ALL_RESOURCES@ -->

+</Project>
\ No newline at end of file
diff --git a/mcs/class/Facades/System.Threading.Tasks.Extensions/Makefile b/mcs/class/Facades/System.Threading.Tasks.Extensions/Makefile
new file mode 100644
index 00000000000..31446affab9
--- /dev/null
+++ b/mcs/class/Facades/System.Threading.Tasks.Extensions/Makefile
@@ -0,0 +1,24 @@
+MCS_BUILD_DIR = ../../../build
+
+thisdir = class/Facades/System.Threading.Tasks.Extensions
+SUBDIRS = 
+include $(MCS_BUILD_DIR)/rules.make
+
+LIBRARY_SUBDIR = Facades
+LIBRARY_INSTALL_DIR = $(mono_libdir)/mono/$(FRAMEWORK_VERSION)/Facades
+
+LIBRARY = System.Threading.Tasks.Extensions.dll
+
+KEYFILE = ../../Open.snk
+LIBRARY_SNK = $(KEYFILE)
+SIGN_FLAGS = /delaysign /nowarn:1616,1699
+LIB_REFS = 
+LIB_MCS_FLAGS = $(SIGN_FLAGS)
+
+PLATFORM_DEBUG_FLAGS =
+
+NO_TEST = yes
+
+include $(MCS_BUILD_DIR)/library.make
+
+
diff --git a/mcs/class/Facades/System.Threading.Tasks.Extensions/System.Threading.Tasks.Extensions.dll.sources b/mcs/class/Facades/System.Threading.Tasks.Extensions/System.Threading.Tasks.Extensions.dll.sources
new file mode 100644
index 00000000000..5ca8e405d30
--- /dev/null
+++ b/mcs/class/Facades/System.Threading.Tasks.Extensions/System.Threading.Tasks.Extensions.dll.sources
@@ -0,0 +1,2 @@
+AssemblyInfo.cs
+TypeForwarders.cs
\ No newline at end of file
diff --git a/mcs/class/Facades/System.Threading.Tasks.Extensions/TypeForwarders.cs b/mcs/class/Facades/System.Threading.Tasks.Extensions/TypeForwarders.cs
new file mode 100644
index 00000000000..446f4da1ddf
--- /dev/null
+++ b/mcs/class/Facades/System.Threading.Tasks.Extensions/TypeForwarders.cs
@@ -0,0 +1,39 @@
+//
+// Copyright (C) 2018  Microsoft Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Runtime.CompilerServices.AsyncMethodBuilderAttribute))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder<>))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Runtime.CompilerServices.ConfiguredValueTaskAwaitable))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Runtime.CompilerServices.ConfiguredValueTaskAwaitable<>))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Runtime.CompilerServices.ValueTaskAwaiter))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Runtime.CompilerServices.ValueTaskAwaiter<>))]
+
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Threading.Tasks.ValueTask))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Threading.Tasks.ValueTask<>))]
+
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Threading.Tasks.Sources.IValueTaskSource))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Threading.Tasks.Sources.IValueTaskSource<>))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Threading.Tasks.Sources.ValueTaskSourceOnCompletedFlags))]
+[assembly: System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Threading.Tasks.Sources.ValueTaskSourceStatus))]
+
diff --git a/mcs/class/Facades/subdirs.make b/mcs/class/Facades/subdirs.make
index cd645727008..6fbe74daa20 100644
--- a/mcs/class/Facades/subdirs.make
+++ b/mcs/class/Facades/subdirs.make
@@ -90,7 +90,7 @@ unreal_PARALLEL_SUBDIRS = $(common_SUBDIRS) $(mobile_only_SUBDIRS)
 wasm_SUBDIRS = $(common_DEPS_SUBDIRS) $(netstandard_drawing_SUBDIRS) $(mobile_only_DEPS_SUBDIRS)
 wasm_PARALLEL_SUBDIRS = $(common_SUBDIRS) $(mobile_only_SUBDIRS)
 
-mobile_only_SUBDIRS = System.Security.Cryptography.Pkcs \
+mobile_only_SUBDIRS = System.Security.Cryptography.Pkcs System.Threading.Tasks.Extensions \
 System.Security.Cryptography.Cng System.Runtime.Loader System.Xml.XPath.XmlDocument System.Reflection.DispatchProxy System.Memory System.Drawing.Common
 
 mobile_only_DEPS_SUBDIRS = System.Security.Cryptography.OpenSsl