Merge pull request #4369 from dgquintas/custom_allocs

Added ability to override mem alloc funcs
2015-12-09 15:30:29 -08:00 · 2015-12-09 15:30:29 -08:00 · 9bfc2ce06c
parent 6994f4949f 3ff5d2dd6b
commit 9bfc2ce06c
10 changed files with 400 additions and 4 deletions
--- a/34
+++ b/34
--- a/build.yaml
+++ b/build.yaml
@ -809,6 +809,14 @@ libs:
  - winsock
  - global
 targets:
+- name: alloc_test
+  build: test
+  language: c
+  src:
+  - test/core/support/alloc_test.c
+  deps:
+  - gpr_test_util
+  - gpr
 - name: alpn_test
  build: test
  language: c
--- a/include/grpc/support/alloc.h
+++ b/include/grpc/support/alloc.h
@ -40,6 +40,12 @@
 extern "C" {
 #endif

+typedef struct gpr_allocation_functions {
+ void *(*malloc_fn)(size_t size);
+ void *(*realloc_fn)(void *ptr, size_t size);
+ void (*free_fn)(void *ptr);
+} gpr_allocation_functions;
+
 /* malloc, never returns NULL */
 void *gpr_malloc(size_t size);
 /* free */
@ -51,6 +57,14 @@ void *gpr_malloc_aligned(size_t size, size_t alignment_log);
 /* free memory allocated by gpr_malloc_aligned */
 void gpr_free_aligned(void *ptr);

+/** Request the family of allocation functions in \a functions be used. NOTE
+ * that this request will be honored in a *best effort* basis and that no
+ * guarantees are made about the default functions (eg, malloc) being called. */
+void gpr_set_allocation_functions(gpr_allocation_functions functions);
+
+/** Return the family of allocation functions currently in effect. */
+gpr_allocation_functions gpr_get_allocation_functions();
+
 #ifdef __cplusplus
 }
 #endif
--- a/src/core/support/alloc.c
+++ b/src/core/support/alloc.c
@ -34,13 +34,27 @@
 #include <grpc/support/alloc.h>

 #include <stdlib.h>
+#include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include "src/core/profiling/timers.h"

+static gpr_allocation_functions g_alloc_functions = {malloc, realloc, free};
+
+gpr_allocation_functions gpr_get_allocation_functions() {
+  return g_alloc_functions;
+}
+
+void gpr_set_allocation_functions(gpr_allocation_functions functions) {
+  GPR_ASSERT(functions.malloc_fn != NULL);
+  GPR_ASSERT(functions.realloc_fn != NULL);
+  GPR_ASSERT(functions.free_fn != NULL);
+  g_alloc_functions = functions;
+}
+
 void *gpr_malloc(size_t size) {
  void *p;
  GPR_TIMER_BEGIN("gpr_malloc", 0);
-  p = malloc(size);
+  p = g_alloc_functions.malloc_fn(size);
  if (!p) {
    abort();
  }
@ -50,13 +64,13 @@ void *gpr_malloc(size_t size) {

 void gpr_free(void *p) {
  GPR_TIMER_BEGIN("gpr_free", 0);
-  free(p);
+  g_alloc_functions.free_fn(p);
  GPR_TIMER_END("gpr_free", 0);
 }

 void *gpr_realloc(void *p, size_t size) {
  GPR_TIMER_BEGIN("gpr_realloc", 0);
-  p = realloc(p, size);
+  p = g_alloc_functions.realloc_fn(p, size);
  if (!p) {
    abort();
  }
--- a/test/core/support/alloc_test.c
+++ b/test/core/support/alloc_test.c
@ -0,0 +1,74 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+#include <grpc/support/alloc.h>
+#include "test/core/util/test_config.h"
+
+static void *fake_malloc(size_t size) {
+  return (void*)size;
+}
+
+static void *fake_realloc(void *addr, size_t size) {
+  return (void*)size;
+}
+
+static void fake_free(void *addr) {
+  *((gpr_intptr*)addr) = 0xdeadd00d;
+}
+
+static void test_custom_allocs() {
+  const gpr_allocation_functions default_fns = gpr_get_allocation_functions();
+  gpr_intptr addr_to_free = 0;
+  int *i;
+  gpr_allocation_functions fns = {fake_malloc, fake_realloc, fake_free};
+
+  gpr_set_allocation_functions(fns);
+  GPR_ASSERT((void*)0xdeadbeef == gpr_malloc(0xdeadbeef));
+  GPR_ASSERT((void*)0xcafed00d == gpr_realloc(0, 0xcafed00d));
+
+  gpr_free(&addr_to_free);
+  GPR_ASSERT(addr_to_free == 0xdeadd00d);
+
+  /* Restore and check we don't get funky values and that we don't leak */
+  gpr_set_allocation_functions(default_fns);
+  GPR_ASSERT((void*)1 != (i = gpr_malloc(sizeof(*i))));
+  GPR_ASSERT((void*)2 != (i = gpr_realloc(i, 2)));
+  gpr_free(i);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  test_custom_allocs();
+  return 0;
+}
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@ -1,6 +1,18 @@


 [
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "alloc_test", 
+    "src": [
+      "test/core/support/alloc_test.c"
+    ]
+  }, 
  {
    "deps": [
      "gpr", 
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@ -1,6 +1,24 @@


 [
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "alloc_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
  {
    "ci_platforms": [
      "linux", 
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@ -1135,6 +1135,15 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "bad_client_test", "vcxproj\
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "alloc_test", "vcxproj\test\alloc_test\alloc_test.vcxproj", "{DD37D527-9DFF-1F53-B97F-50CF80AE0650}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "alpn_test", "vcxproj\test\alpn_test\alpn_test.vcxproj", "{5BAAE7EA-A972-DD80-F190-29B9E3110BB3}"
 	ProjectSection(myProperties) = preProject
        	lib = "False"
@ -11721,6 +11730,22 @@ Global
 		{BA67B418-B699-E41A-9CC4-0279C49481A5}.Release-DLL|Win32.Build.0 = Release|Win32
 		{BA67B418-B699-E41A-9CC4-0279C49481A5}.Release-DLL|x64.ActiveCfg = Release|x64
 		{BA67B418-B699-E41A-9CC4-0279C49481A5}.Release-DLL|x64.Build.0 = Release|x64
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Debug|Win32.ActiveCfg = Debug|Win32
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Debug|x64.ActiveCfg = Debug|x64
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Release|Win32.ActiveCfg = Release|Win32
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Release|x64.ActiveCfg = Release|x64
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Debug|Win32.Build.0 = Debug|Win32
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Debug|x64.Build.0 = Debug|x64
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Release|Win32.Build.0 = Release|Win32
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Release|x64.Build.0 = Release|x64
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Debug-DLL|x64.Build.0 = Debug|x64
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Release-DLL|Win32.Build.0 = Release|Win32
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Release-DLL|x64.ActiveCfg = Release|x64
+		{DD37D527-9DFF-1F53-B97F-50CF80AE0650}.Release-DLL|x64.Build.0 = Release|x64
 		{5BAAE7EA-A972-DD80-F190-29B9E3110BB3}.Debug|Win32.ActiveCfg = Debug|Win32
 		{5BAAE7EA-A972-DD80-F190-29B9E3110BB3}.Debug|x64.ActiveCfg = Debug|x64
 		{5BAAE7EA-A972-DD80-F190-29B9E3110BB3}.Release|Win32.ActiveCfg = Release|Win32
--- a/vsprojects/vcxproj/test/alloc_test/alloc_test.vcxproj
+++ b/vsprojects/vcxproj/test/alloc_test/alloc_test.vcxproj
@ -0,0 +1,178 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <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>{DD37D527-9DFF-1F53-B97F-50CF80AE0650}</ProjectGuid>
+  </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="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</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.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\..\..\..\vsprojects\global.props" />
+    <Import Project="..\..\..\..\vsprojects\openssl.props" />
+    <Import Project="..\..\..\..\vsprojects\winsock.props" />
+    <Import Project="..\..\..\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>alloc_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>alloc_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+    </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="$(Jenkins)">None</DebugInformationFormat>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+    </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>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\..\test\core\support\alloc_test.c">
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
+  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
+  </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>
+    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
+    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
+    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
+    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
+    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
+  </Target>
+</Project>
+
--- a/vsprojects/vcxproj/test/alloc_test/alloc_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/alloc_test/alloc_test.vcxproj.filters
@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="..\..\..\..\test\core\support\alloc_test.c">
+      <Filter>test\core\support</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{8db8ec05-f062-e4a6-60a0-efa7208d4f9b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{5d06003c-e2cd-4d48-87b3-dcb700cbb4e4}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\support">
+      <UniqueIdentifier>{11853b15-8afe-b102-ee0d-6742942e3f6e}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+