1 /*
2  *
3  * Copyright 2020 gRPC authors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 #include <grpc/support/port_platform.h>
20 
21 #include "src/core/lib/gprpp/examine_stack.h"
22 
23 namespace grpc_core {
24 
25 gpr_current_stack_trace_func g_current_stack_trace_provider = nullptr;
26 
GetCurrentStackTraceProvider()27 gpr_current_stack_trace_func GetCurrentStackTraceProvider() {
28   return g_current_stack_trace_provider;
29 }
30 
SetCurrentStackTraceProvider(gpr_current_stack_trace_func current_stack_trace_provider)31 void SetCurrentStackTraceProvider(
32     gpr_current_stack_trace_func current_stack_trace_provider) {
33   g_current_stack_trace_provider = current_stack_trace_provider;
34 }
35 
GetCurrentStackTrace()36 absl::optional<std::string> GetCurrentStackTrace() {
37   if (g_current_stack_trace_provider != nullptr) {
38     return g_current_stack_trace_provider();
39   }
40   return absl::nullopt;
41 }
42 
43 }  // namespace grpc_core
44