OpenJDK / jdk / jdk
changeset 57052:fcd74557a9cc
8230611: infinite loop in LogOutputList::wait_until_no_readers()
Summary: Add copy constructor and copy assignment operator to ensure reader count remains accurate
Reviewed-by: kbarrett, dholmes
| author | dbuck |
|---|---|
| date | Thu, 21 Nov 2019 23:32:11 -0500 |
| parents | e7df7c86eda1 |
| children | 47c879f478d2 |
| files | src/hotspot/share/logging/logOutputList.hpp |
| diffstat | 1 files changed, 14 insertions(+), 0 deletions(-) [+] |
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--- a/src/hotspot/share/logging/logOutputList.hpp Thu Nov 21 18:42:33 2019 -0800 +++ b/src/hotspot/share/logging/logOutputList.hpp Thu Nov 21 23:32:11 2019 -0500 @@ -97,6 +97,20 @@ } public: + Iterator(const Iterator &itr) : _current(itr._current), _list(itr._list){ + itr._list->increase_readers(); + } + + Iterator& operator=(const Iterator& rhs) { + _current = rhs._current; + if (_list != rhs._list) { + rhs._list->increase_readers(); + _list->decrease_readers(); + _list = rhs._list; + } + return *this; + } + ~Iterator() { _list->decrease_readers(); }