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/*
*
* 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_LIB_SURFACE_API_TRACE_H
#define GRPC_CORE_LIB_SURFACE_API_TRACE_H
#include <grpc/support/log.h>
#include "src/core/lib/debug/trace.h"
extern int grpc_api_trace;
/* Provide unwrapping macros because we're in C89 and variadic macros weren't
introduced until C99... */
#define GRPC_API_TRACE_UNWRAP0()
#define GRPC_API_TRACE_UNWRAP1(a) , a
#define GRPC_API_TRACE_UNWRAP2(a, b) , a, b
#define GRPC_API_TRACE_UNWRAP3(a, b, c) , a, b, c
#define GRPC_API_TRACE_UNWRAP4(a, b, c, d) , a, b, c, d
#define GRPC_API_TRACE_UNWRAP5(a, b, c, d, e) , a, b, c, d, e
#define GRPC_API_TRACE_UNWRAP6(a, b, c, d, e, f) , a, b, c, d, e, f
#define GRPC_API_TRACE_UNWRAP7(a, b, c, d, e, f, g) , a, b, c, d, e, f, g
#define GRPC_API_TRACE_UNWRAP8(a, b, c, d, e, f, g, h) , a, b, c, d, e, f, g, h
#define GRPC_API_TRACE_UNWRAP9(a, b, c, d, e, f, g, h, i) \
, a, b, c, d, e, f, g, h, i
#define GRPC_API_TRACE_UNWRAP10(a, b, c, d, e, f, g, h, i, j) \
, a, b, c, d, e, f, g, h, i, j
/* Due to the limitations of C89's preprocessor, the arity of the var-arg list
'nargs' must be specified. */
#define GRPC_API_TRACE(fmt, nargs, args) \
if (grpc_api_trace) { \
gpr_log(GPR_INFO, fmt GRPC_API_TRACE_UNWRAP##nargs args); \
}
#endif /* GRPC_CORE_LIB_SURFACE_API_TRACE_H */
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