| /* |
| * |
| * 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_CORE_LIB_DEBUG_TRACE_H |
| #define GRPC_CORE_LIB_DEBUG_TRACE_H |
| |
| #include <grpc/support/atm.h> |
| #include <grpc/support/port_platform.h> |
| #include <stdbool.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #if defined(__has_feature) |
| #if __has_feature(thread_sanitizer) |
| #define GRPC_THREADSAFE_TRACER |
| #endif |
| #endif |
| |
| typedef struct { |
| #ifdef GRPC_THREADSAFE_TRACER |
| gpr_atm value; |
| #else |
| bool value; |
| #endif |
| const char *name; |
| } grpc_tracer_flag; |
| |
| #ifdef GRPC_THREADSAFE_TRACER |
| #define GRPC_TRACER_ON(flag) (gpr_atm_no_barrier_load(&(flag).value) != 0) |
| #define GRPC_TRACER_INITIALIZER(on, name) \ |
| { (gpr_atm)(on), (name) } |
| #else |
| #define GRPC_TRACER_ON(flag) ((flag).value) |
| #define GRPC_TRACER_INITIALIZER(on, name) \ |
| { (on), (name) } |
| #endif |
| |
| void grpc_register_tracer(grpc_tracer_flag *flag); |
| void grpc_tracer_init(const char *env_var_name); |
| void grpc_tracer_shutdown(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GRPC_CORE_LIB_DEBUG_TRACE_H */ |