本文整理汇总了C++中Future::cancelled方法的典型用法代码示例。如果您正苦于以下问题：C++ Future::cancelled方法的具体用法？C++ Future::cancelled怎么用？C++ Future::cancelled使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Future的用法示例。
在下文中一共展示了Future::cancelled方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: joined
void LeaderContenderProcess::joined()
{
CHECK(!candidacy.isDiscarded());
// Cannot be watching because the candidacy is not obtained yet.
CHECK_NONE(watching);
CHECK_SOME(contending);
if (candidacy.isFailed()) {
// The promise 'withdrawing' will be set to false in cancel().
contending.get()->fail(candidacy.failure());
return;
}
if (withdrawing.isSome()) {
LOG(INFO) << "Joined group after the contender started withdrawing";
// The promise 'withdrawing' will be set to 'false' in subsequent
// 'cancel()' call.
return;
}
LOG(INFO) << "New candidate (id='" << candidacy->id()
<< "') has entered the contest for leadership";
// Transition to 'watching' state.
watching = new Promise<Nothing>();
// Notify the client.
if (contending.get()->set(watching.get()->future())) {
// Continue to watch that our membership is not removed (if the
// client still cares about it).
candidacy->cancelled()
.onAny(defer(self(), &Self::cancelled, lambda::_1));
}
}