compiler-rt/lib/tsan/rtl/tsan_ignoreset.h

   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