// // // Copyright 2015 gRPC authors. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // // #ifndef GRPC_SRC_CORE_LIB_SURFACE_API_TRACE_H #define GRPC_SRC_CORE_LIB_SURFACE_API_TRACE_H #include <grpc/support/port_platform.h> #include <grpc/support/log.h> #include "src/core/lib/debug/trace.h" extern grpc_core::TraceFlag 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) … #define GRPC_API_TRACE_UNWRAP2(a, b) … #define GRPC_API_TRACE_UNWRAP3(a, b, c) … #define GRPC_API_TRACE_UNWRAP4(a, b, c, d) … #define GRPC_API_TRACE_UNWRAP5(a, b, c, d, e) … #define GRPC_API_TRACE_UNWRAP6(a, b, c, d, e, f) … #define GRPC_API_TRACE_UNWRAP7(a, b, c, d, e, f, g) … #define GRPC_API_TRACE_UNWRAP8(a, b, c, d, e, f, g, h) … #define GRPC_API_TRACE_UNWRAP9(a, b, c, d, e, f, g, h, i) … #define GRPC_API_TRACE_UNWRAP10(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) … #endif // GRPC_SRC_CORE_LIB_SURFACE_API_TRACE_H
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