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/*
*
* 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>
#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
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);
#endif /* GRPC_CORE_LIB_DEBUG_TRACE_H */
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