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1 //===-- tsan_ignoreset.cpp ------------------------------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file is a part of ThreadSanitizer (TSan), a race detector.
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10 //
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11 //===----------------------------------------------------------------------===//
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12 #include "tsan_ignoreset.h"
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13
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14 namespace __tsan {
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15
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16 const uptr IgnoreSet::kMaxSize;
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17
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18 IgnoreSet::IgnoreSet()
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19 : size_() {
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20 }
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21
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22 void IgnoreSet::Add(u32 stack_id) {
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23 if (size_ == kMaxSize)
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24 return;
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25 for (uptr i = 0; i < size_; i++) {
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26 if (stacks_[i] == stack_id)
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27 return;
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28 }
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29 stacks_[size_++] = stack_id;
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30 }
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31
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32 void IgnoreSet::Reset() {
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33 size_ = 0;
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34 }
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35
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36 uptr IgnoreSet::Size() const {
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37 return size_;
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38 }
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39
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40 u32 IgnoreSet::At(uptr i) const {
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41 CHECK_LT(i, size_);
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42 CHECK_LE(size_, kMaxSize);
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43 return stacks_[i];
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44 }
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45
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46 } // namespace __tsan
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