Initial checkin of gRPC to third_party/

third_party/grpc/src/ruby/ext/grpc/rb_loader.c

Index: third_party/grpc/src/ruby/ext/grpc/rb_loader.c
diff --git a/third_party/tcmalloc/vendor/src/base/linuxthreads.h b/third_party/grpc/src/ruby/ext/grpc/rb_loader.c
similarity index 66%
copy from third_party/tcmalloc/vendor/src/base/linuxthreads.h
copy to third_party/grpc/src/ruby/ext/grpc/rb_loader.c
index 5c318fed7ec4c47e7bf082e315992e102abcd620..242535f164ef63889fa1950d1c4ca9a4b11c3853 100644
--- a/third_party/tcmalloc/vendor/src/base/linuxthreads.h
+++ b/third_party/grpc/src/ruby/ext/grpc/rb_loader.c
@@ -1,4 +1,6 @@
-/* Copyright (c) 2005-2007, Google Inc.
+/*
+ *
+ * Copyright 2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,27 +29,44 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * ---
- * Author: Markus Gutschke
  */
 
-#ifndef _LINUXTHREADS_H
-#define _LINUXTHREADS_H
+#include "rb_grpc_imports.generated.h"
 
-/* Include thread_lister.h to get the interface that we implement for linux.
- */
+#if GPR_WIN32
+#include <tchar.h>
 
-/* We currently only support x86-32 and x86-64 on Linux. Porting to other
- * related platforms should not be difficult.
- */
-#if (defined(__i386__) || defined(__x86_64__) || defined(__ARM_ARCH_3__) || \
-     defined(__mips__) || defined(__PPC__)) && defined(__linux)
+int grpc_rb_load_core() {
+#if GPR_ARCH_64
+  TCHAR fname[] = _T("grpc_c.64.ruby");
+#else
+  TCHAR fname[] = _T("grpc_c.32.ruby");
+#endif
+  HMODULE module = GetModuleHandle(_T("grpc_c.so"));
+  TCHAR path[2048 + 32] = _T("");
+  LPTSTR seek_back = NULL;
+  GetModuleFileName(module, path, 2048);
 
-/* Define the THREADS symbol to make sure that there is exactly one core dumper
- * built into the library.
- */
-#define THREADS "Linux /proc"
+  seek_back = _tcsrchr(path, _T('\\'));
 
-#endif
+  while (seek_back) {
+    HMODULE grpc_c;
+    _tcscpy(seek_back + 1, fname);
+    grpc_c = LoadLibrary(path);
+    if (grpc_c) {
+      grpc_rb_load_imports(grpc_c);
+      return 1;
+    } else {
+      *seek_back = _T('\0');
+      seek_back = _tcsrchr(path, _T('\\'));
+    }
+  }
+
+  return 0;
+}
+
+#else
 
-#endif  /* _LINUXTHREADS_H */
+int grpc_rb_load_core() { return 1; }
+
+#endif