1 files changed, 60 insertions, 0 deletions
diff --git a/src/core/debug/trace.h b/src/core/debug/trace.h
new file mode 100644
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--- /dev/null
+++ b/src/core/debug/trace.h
@@ -0,0 +1,60 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_DEBUG_TRACE_H
+#define GRPC_CORE_DEBUG_TRACE_H
+
+#include <grpc/support/port_platform.h>
+
+/* set to zero to remove all debug trace code */
+#ifndef GRPC_ENABLE_TRACING
+# define GRPC_ENABLE_TRACING 1
+#endif
+
+typedef enum {
+  GRPC_TRACE_SURFACE = 1 << 0,
+  GRPC_TRACE_CHANNEL = 1 << 1,
+  GRPC_TRACE_TCP = 1 << 2,
+  GRPC_TRACE_SECURE_ENDPOINT = 1 << 3
+} grpc_trace_bit_value;
+
+#if GRPC_ENABLE_TRACING
+extern gpr_uint32 grpc_trace_bits;
+#else
+# define grpc_trace_bits 0
+#endif
+
+void grpc_init_trace_bits();
+
+#endif
+