Initial checkin of gRPC to third_party/

third_party/grpc/src/core/census/operation.c

Index: third_party/grpc/src/core/census/operation.c
diff --git a/third_party/tcmalloc/chromium/src/base/synchronization_profiling.h b/third_party/grpc/src/core/census/operation.c
similarity index 60%
copy from third_party/tcmalloc/chromium/src/base/synchronization_profiling.h
copy to third_party/grpc/src/core/census/operation.c
index cf02c218a111806189f71f7b528a83b5ceb164a4..5c587043721e6ca2ade71a5c338682c993adcbda 100644
--- a/third_party/tcmalloc/chromium/src/base/synchronization_profiling.h
+++ b/third_party/grpc/src/core/census/operation.c
@@ -1,4 +1,5 @@
-/* Copyright (c) 2010, Google Inc.
+/*
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,24 +28,36 @@
  * (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: Chris Ruemmler
  */
 
-#ifndef BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_
-#define BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_
+#include <grpc/census.h>
 
-#include "base/basictypes.h"
+/* TODO(aveitch): These are all placeholder implementations. */
 
-namespace base {
+census_timestamp census_start_rpc_op_timestamp(void) {
+  census_timestamp ct;
+  /* TODO(aveitch): assumes gpr_timespec implementation of census_timestamp. */
+  ct.ts = gpr_now(GPR_CLOCK_MONOTONIC);
+  return ct;
+}
 
-// We can do contention-profiling of SpinLocks, but the code is in
-// mutex.cc, which is not always linked in with spinlock.  Hence we
-// provide a weak definition, which are used if mutex.cc isn't linked in.
+census_context *census_start_client_rpc_op(
+    const census_context *context, int64_t rpc_name_id,
+    const census_rpc_name_info *rpc_name_info, const char *peer, int trace_mask,
+    const census_timestamp *start_time) {
+  return NULL;
+}
 
-// Submit the number of cycles the spinlock spent contending.
-ATTRIBUTE_WEAK extern void SubmitSpinLockProfileData(const void *, int64);
-extern void SubmitSpinLockProfileData(const void *contendedlock,
-                                      int64 wait_cycles) {}
+census_context *census_start_server_rpc_op(
+    const char *buffer, int64_t rpc_name_id,
+    const census_rpc_name_info *rpc_name_info, const char *peer, int trace_mask,
+    census_timestamp *start_time) {
+  return NULL;
 }
-#endif  // BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_
+
+census_context *census_start_op(census_context *context, const char *family,
+                                const char *name, int trace_mask) {
+  return NULL;
+}
+
+void census_end_op(census_context *context, int status) {}