本文整理汇总了C++中AsioSession::onContinuationYield方法的典型用法代码示例。如果您正苦于以下问题：C++ AsioSession::onContinuationYield方法的具体用法？C++ AsioSession::onContinuationYield怎么用？C++ AsioSession::onContinuationYield使用的例子？那么, 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AsioSession的用法示例。
在下文中一共展示了AsioSession::onContinuationYield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: run
void c_ContinuationWaitHandle::run() {
// may happen if scheduled in multiple contexts
if (getState() != STATE_SCHEDULED) {
return;
}
try {
setState(STATE_RUNNING);
do {
// iterate continuation
if (m_child.isNull()) {
// first iteration or null dependency
m_continuation->call_next();
} else if (m_child->isSucceeded()) {
// child succeeded, pass the result to the continuation
m_continuation->call_send(m_child->getResult());
} else if (m_child->isFailed()) {
// child failed, raise the exception inside continuation
m_continuation->call_raise(m_child->getException());
} else {
throw FatalErrorException(
"Invariant violation: child neither succeeded nor failed");
}
// continuation finished, retrieve result from its m_value
if (m_continuation->done()) {
markAsSucceeded(m_continuation->m_value.asTypedValue());
return;
}
// set up dependency
TypedValue* value = m_continuation->m_value.asTypedValue();
if (IS_NULL_TYPE(value->m_type)) {
// null dependency
m_child = nullptr;
} else {
c_WaitHandle* child = c_WaitHandle::fromTypedValue(value);
if (UNLIKELY(!child)) {
Object e(SystemLib::AllocInvalidArgumentExceptionObject(
"Expected yield argument to be an instance of WaitHandle"));
throw e;
}
AsioSession* session = AsioSession::Get();
if (UNLIKELY(session->hasOnContinuationYieldCallback())) {
session->onContinuationYield(this, child);
}
m_child = child;
}
} while (m_child.isNull() || m_child->isFinished());
// we are blocked on m_child so it must be WaitableWaitHandle
assert(dynamic_cast<c_WaitableWaitHandle*>(m_child.get()));
blockOn(static_cast<c_WaitableWaitHandle*>(m_child.get()));
} catch (const Object& exception) {
// process exception thrown by generator or blockOn cycle detection
markAsFailed(exception);
} catch (...) {
// process C++ exception
markAsFailed(AsioSession::Get()->getAbruptInterruptException());
throw;
}
}