Fixing, using and testing alarm code.
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 438667a..448600c 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -606,6 +606,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\surface\api_trace.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\surface\byte_buffer.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 90395ca..bae539c 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -298,6 +298,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
<Filter>src\core\json</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
+ <Filter>src\core\surface</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\surface\api_trace.c">
<Filter>src\core\surface</Filter>
</ClCompile>