zhengJade commented on code in PR #2819:
URL: https://github.com/apache/brpc/pull/2819#discussion_r1909938624
##########
src/bthread/parking_lot.h:
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@@ -30,6 +30,7 @@ namespace bthread {
// Park idle workers.
class BAIDU_CACHELINE_ALIGNMENT ParkingLot {
public:
+ static butil::atomic<int> _waiting_count;
Review Comment:
这里减少的是都繁忙情况下不要 signal，而不是说能够准确的 signal 阻塞的 pl，在比较繁忙的情况是实际上是不存在部分 wait，部分
wake 的，而且 sigal 的时候有返回值的，如果返回失败会接着 signal 另一个 pl
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