Fix a number of issues with the process handling

runtime/bin/main.cc

Index: runtime/bin/main.cc
diff --git a/runtime/bin/main.cc b/runtime/bin/main.cc
index 8255d999c5bfd50783c5122682fc3199e21d8df8..c172aaaf033b2dc4c3d9b1bf8ed313eb2587ba9b 100644
--- a/runtime/bin/main.cc
+++ b/runtime/bin/main.cc
@@ -12,6 +12,7 @@
 #include "bin/dartutils.h"
 #include "bin/file.h"
 #include "bin/globals.h"
+#include "bin/platform.h"
 
 // snapshot_buffer points to a snapshot if we link in a snapshot otherwise
 // it is initialized to NULL.
@@ -251,6 +252,11 @@ int main(int argc, char** argv) {
   CommandLineOptions vm_options(argc);
   CommandLineOptions dart_options(argc);
 
+  // Perform platform specific initialization.
+  if (!Platform::Initialize()) {
+    fprintf(stderr, "Initialization failed\n");
+  }
+
   // Parse command line arguments.
   if (ParseArguments(argc,
                      argv,