Fix build error on OSX

compileoptions.cmake

@@ -1,6 +1,9 @@
 if (CLR_CMAKE_PLATFORM_UNIX)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-
+  if(CLR_CMAKE_PLATFORM_DARWIN)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -force_flat_namespace -std=c++14")
+  else()
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+  endif(CLR_CMAKE_PLATFORM_DARWIN)
   # this allows pretty-printers in gdb to work with clang
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_GLIBCXX_DEBUG")
 

src/debugger/waitpid.cpp

@@ -68,7 +68,7 @@ hook::waitpid_t &GetWaitpid()
 }
 
 // Note, we guaranty waitpid hook works only during debuggee process execution, it aimed to work only for PAL's waitpid calls interception.
-extern "C" pid_t waitpid(pid_t pid, int *status, int options) noexcept
+extern "C" pid_t waitpid(pid_t pid, int *status, int options)
 {
     pid_t pidWaitRetval = netcoredbg::hook::waitpid(pid, status, options);
 

src/managed/interop.cpp

@@ -107,7 +107,7 @@ constexpr char UtilsClassName[] = "NetCoreDbg.Utils";
 
 // Pass to managed helper code to read in-memory PEs/PDBs
 // Returns the number of bytes read.
-int ReadMemoryForSymbols(ULONG64 address, char *buffer, int cb)
+int ReadMemoryForSymbols(uint64_t address, char *buffer, int cb)
 {
     // TODO: In-memory PDB?
     // OSPageSize() for Linux/Windows already implemented in code.

test-suite/MITestExitCode/Program.cs

@@ -171,7 +171,11 @@ static int Main(string[] args)
                 //Console.WriteLine("Test SIGABRT, process Id = " + PID);
                 //kill(PID, 6); // SIGABRT
             }
-
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                Console.WriteLine("Test _exit()");
+                _exit(3);
+            }
             //Console.WriteLine("Test return 3");
             //return 3;
 

test-suite/VSCodeTestExitCode/Program.cs

@@ -165,7 +165,11 @@ static void Main(string[] args)
                 //Console.WriteLine("Test SIGABRT, process Id = " + PID);
                 //kill(PID, 6); // SIGABRT
             }
-
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                Console.WriteLine("Test _exit()");
+                _exit(3);
+            }
             //Console.WriteLine("Test return 3");
             //return 3;