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