1  //===-- tsan_ignoreset.h ----------------------------------------*- C++ -*-===//
       2  //
       3  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
       4  // See https://llvm.org/LICENSE.txt for license information.
       5  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
       6  //
       7  //===----------------------------------------------------------------------===//
       8  //
       9  // This file is a part of ThreadSanitizer (TSan), a race detector.
      10  //
      11  // IgnoreSet holds a set of stack traces where ignores were enabled.
      12  //===----------------------------------------------------------------------===//
      13  #ifndef TSAN_IGNORESET_H
      14  #define TSAN_IGNORESET_H
      15  
      16  #include "tsan_defs.h"
      17  
      18  namespace __tsan {
      19  
      20  class IgnoreSet {
      21   public:
      22    IgnoreSet();
      23    void Add(StackID stack_id);
      24    void Reset() { size_ = 0; }
      25    uptr Size() const { return size_; }
      26    StackID At(uptr i) const;
      27  
      28   private:
      29    static constexpr uptr kMaxSize = 16;
      30    uptr size_;
      31    StackID stacks_[kMaxSize];
      32  };
      33  
      34  }  // namespace __tsan
      35  
      36  #endif  // TSAN_IGNORESET_H