Initial checkin of gRPC to third_party/

third_party/grpc/include/grpc/impl/codegen/connectivity_state.h

Index: third_party/grpc/include/grpc/impl/codegen/connectivity_state.h
diff --git a/third_party/tcmalloc/vendor/src/base/linuxthreads.h b/third_party/grpc/include/grpc/impl/codegen/connectivity_state.h
similarity index 69%
copy from third_party/tcmalloc/vendor/src/base/linuxthreads.h
copy to third_party/grpc/include/grpc/impl/codegen/connectivity_state.h
index 5c318fed7ec4c47e7bf082e315992e102abcd620..5bb9eb8f4eeeed0fa04bbca55884127f71c341aa 100644
--- a/third_party/tcmalloc/vendor/src/base/linuxthreads.h
+++ b/third_party/grpc/include/grpc/impl/codegen/connectivity_state.h
@@ -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 +29,31 @@
  * (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 thread_lister.h to get the interface that we implement for linux.
- */
+#ifndef GRPC_IMPL_CODEGEN_CONNECTIVITY_STATE_H
+#define GRPC_IMPL_CODEGEN_CONNECTIVITY_STATE_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)
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-/* Define the THREADS symbol to make sure that there is exactly one core dumper
- * built into the library.
- */
-#define THREADS "Linux /proc"
+/** Connectivity state of a channel. */
+typedef enum {
+  /** channel is idle */
+  GRPC_CHANNEL_IDLE,
+  /** channel is connecting */
+  GRPC_CHANNEL_CONNECTING,
+  /** channel is ready for work */
+  GRPC_CHANNEL_READY,
+  /** channel has seen a failure but expects to recover */
+  GRPC_CHANNEL_TRANSIENT_FAILURE,
+  /** channel has seen a failure that it cannot recover from */
+  GRPC_CHANNEL_FATAL_FAILURE
+} grpc_connectivity_state;
 
+#ifdef __cplusplus
+}
 #endif
 
-#endif  /* _LINUXTHREADS_H */
+#endif /* GRPC_IMPL_CODEGEN_CONNECTIVITY_STATE_H */