wwbmmm commented on code in PR #1751:
URL: https://github.com/apache/incubator-brpc/pull/1751#discussion_r858275253
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src/bthread/butex.cpp:
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@@ -284,15 +286,19 @@ int butex_wake(void* arg, bool nosched) {
if (!nosched) {
TaskGroup::exchange(&g, bbw->tid);
Review Comment:
exchange的时候会挂起原来的bthread，这里nosignal的含义是是否立即调度原来的bthread，可以给exchange加个参数。就像bthread_start_urgent也可以传nosignal。
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