diff options
author | Dmitry Vyukov <dvyukov@google.com> | 2013-11-27 11:30:28 +0000 |
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committer | Dmitry Vyukov <dvyukov@google.com> | 2013-11-27 11:30:28 +0000 |
commit | 6609d16e7c32ff6e78dacf6bc8fa47f23881fa51 (patch) | |
tree | 5a571e271b1adb54166d14999b3f13addb80d12d /lib/tsan/rtl/tsan_ignoreset.cc | |
parent | eb7ad20d3eb55322bca5081a03b8e5271c4781d4 (diff) |
tsan: better diagnostics if thread finishes with ignores enabled
print thread creation stack
and stacks where ignores were enabled.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@195836 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/tsan/rtl/tsan_ignoreset.cc')
-rw-r--r-- | lib/tsan/rtl/tsan_ignoreset.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_ignoreset.cc b/lib/tsan/rtl/tsan_ignoreset.cc new file mode 100644 index 000000000..cdb90d229 --- /dev/null +++ b/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 |