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 
IgnoreSet()17 IgnoreSet::IgnoreSet()
18     : size_() {
19 }
20 
Add(u32 stack_id)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 
Reset()31 void IgnoreSet::Reset() {
32   size_ = 0;
33 }
34 
Size() const35 uptr IgnoreSet::Size() const {
36   return size_;
37 }
38 
At(uptr i) const39 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
46