xref: /aosp_15_r20/art/runtime/scoped_assert_no_transaction_checks.h (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_RUNTIME_SCOPED_ASSERT_NO_TRANSACTION_CHECKS_H_
18 #define ART_RUNTIME_SCOPED_ASSERT_NO_TRANSACTION_CHECKS_H_
19 
20 #include "thread-current-inl.h"
21 
22 namespace art {
23 
24 class ScopedAssertNoTransactionChecks {
25  public:
ScopedAssertNoTransactionChecks(const char * cause)26   explicit ScopedAssertNoTransactionChecks(const char* cause)
27       : self_(kIsDebugBuild ? Thread::Current() : nullptr),
28         old_cause_(self_ != nullptr ? self_->tlsPtr_.last_no_transaction_checks_cause : nullptr) {
29     DCHECK(cause != nullptr);
30     if (kIsDebugBuild && self_ != nullptr) {
31       self_->tlsPtr_.last_no_transaction_checks_cause = cause;
32     }
33   }
34 
~ScopedAssertNoTransactionChecks()35   ~ScopedAssertNoTransactionChecks() {
36     if (kIsDebugBuild && self_ != nullptr) {
37       self_->tlsPtr_.last_no_transaction_checks_cause = old_cause_;
38     }
39   }
40 
41  private:
42   Thread* const self_;
43   const char* const old_cause_;
44 };
45 
46 }  // namespace art
47 
48 #endif  // ART_RUNTIME_SCOPED_ASSERT_NO_TRANSACTION_CHECKS_H_
49