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-rw-r--r--lib/tsan/rtl/tsan_ignoreset.cpp46
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_ignoreset.cpp b/lib/tsan/rtl/tsan_ignoreset.cpp
new file mode 100644
index 000000000000..f6e41f668618
--- /dev/null
+++ b/lib/tsan/rtl/tsan_ignoreset.cpp
@@ -0,0 +1,46 @@
+//===-- tsan_ignoreset.cpp ------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+//===----------------------------------------------------------------------===//
+#include "tsan_ignoreset.h"
+
+namespace __tsan {
+
+const uptr IgnoreSet::kMaxSize;
+
+IgnoreSet::IgnoreSet()
+ : size_() {
+}
+
+void IgnoreSet::Add(u32 stack_id) {
+ if (size_ == kMaxSize)
+ return;
+ for (uptr i = 0; i < size_; i++) {
+ if (stacks_[i] == stack_id)
+ return;
+ }
+ stacks_[size_++] = stack_id;
+}
+
+void IgnoreSet::Reset() {
+ size_ = 0;
+}
+
+uptr IgnoreSet::Size() const {
+ return size_;
+}
+
+u32 IgnoreSet::At(uptr i) const {
+ CHECK_LT(i, size_);
+ CHECK_LE(size_, kMaxSize);
+ return stacks_[i];
+}
+
+} // namespace __tsan