1//===-- tsan_ignoreset.cpp ------------------------------------------------===//
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//===----------------------------------------------------------------------===//
12#include "tsan_ignoreset.h"
13
14namespace __tsan {
15
16const uptr IgnoreSet::kMaxSize;
17
18IgnoreSet::IgnoreSet()
19    : size_() {
20}
21
22void IgnoreSet::Add(u32 stack_id) {
23  if (size_ == kMaxSize)
24    return;
25  for (uptr i = 0; i < size_; i++) {
26    if (stacks_[i] == stack_id)
27      return;
28  }
29  stacks_[size_++] = stack_id;
30}
31
32void IgnoreSet::Reset() {
33  size_ = 0;
34}
35
36uptr IgnoreSet::Size() const {
37  return size_;
38}
39
40u32 IgnoreSet::At(uptr i) const {
41  CHECK_LT(i, size_);
42  CHECK_LE(size_, kMaxSize);
43  return stacks_[i];
44}
45
46}  // namespace __tsan
47