libsanitizer/tsan/tsan_ignoreset.cc

   1 //===-- tsan_ignoreset.cc -------------------------------------------------===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is a part of ThreadSanitizer (TSan), a race detector.
   9 //
  10 //===----------------------------------------------------------------------===//
  11 #include "tsan_ignoreset.h"
  12
  13 namespace __tsan {
  14
  15 const uptr IgnoreSet::kMaxSize;
  16
  17 IgnoreSet::IgnoreSet()
  18     : size_() {
  19 }
  20
  21 void IgnoreSet::Add(u32 stack_id) {
  22   if (size_ == kMaxSize)
  23     return;
  24   for (uptr i = 0; i < size_; i++) {
  25     if (stacks_[i] == stack_id)
  26       return;
  27   }
  28   stacks_[size_++] = stack_id;
  29 }
  30
  31 void IgnoreSet::Reset() {
  32   size_ = 0;
  33 }
  34
  35 uptr IgnoreSet::Size() const {
  36   return size_;
  37 }
  38
  39 u32 IgnoreSet::At(uptr i) const {
  40   CHECK_LT(i, size_);
  41   CHECK_LE(size_, kMaxSize);
  42   return stacks_[i];
  43 }
  44
  45 }  // namespace __tsan