| /* |
| * |
| * 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 grpc_tracer_flag 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_TRACER_ON(grpc_api_trace)) { \ |
| gpr_log(GPR_INFO, fmt GRPC_API_TRACE_UNWRAP##nargs args); \ |
| } |
| |
| #endif /* GRPC_CORE_LIB_SURFACE_API_TRACE_H */ |