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author | Simon J. Gerraty <sjg@FreeBSD.org> | 2015-05-27 01:19:58 +0000 |
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committer | Simon J. Gerraty <sjg@FreeBSD.org> | 2015-05-27 01:19:58 +0000 |
commit | 98e0ffaefb0f241cda3a72395d3be04192ae0d47 (patch) | |
tree | 55c065b6730aaac2afb6c29933ee6ec5fa4c4249 /contrib/compiler-rt/lib/tsan/rtl/tsan_ignoreset.cc | |
parent | b17ff922d4072ae132ece458f5b5d74a236880ac (diff) | |
parent | e81032ad243db32b8fd615b2d55ee94b9f6a5b6a (diff) | |
download | src-98e0ffaefb0f241cda3a72395d3be04192ae0d47.tar.gz src-98e0ffaefb0f241cda3a72395d3be04192ae0d47.zip |
Merge sync of head
Notes
Notes:
svn path=/projects/bmake/; revision=283595
Diffstat (limited to 'contrib/compiler-rt/lib/tsan/rtl/tsan_ignoreset.cc')
-rw-r--r-- | contrib/compiler-rt/lib/tsan/rtl/tsan_ignoreset.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/tsan/rtl/tsan_ignoreset.cc b/contrib/compiler-rt/lib/tsan/rtl/tsan_ignoreset.cc new file mode 100644 index 000000000000..cdb90d229980 --- /dev/null +++ b/contrib/compiler-rt/lib/tsan/rtl/tsan_ignoreset.cc @@ -0,0 +1,47 @@ +//===-- tsan_ignoreset.cc -------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// 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 |