Current File : //home2/vacivi36/vittasync.vacivitta.com.br/vittasync/node/src/cleanup_queue.cc
#include "cleanup_queue.h" // NOLINT(build/include_inline)
#include <algorithm>
#include <vector>
#include "cleanup_queue-inl.h"
namespace node {
std::vector<CleanupQueue::CleanupHookCallback> CleanupQueue::GetOrdered()
const {
// Copy into a vector, since we can't sort an unordered_set in-place.
std::vector<CleanupHookCallback> callbacks(cleanup_hooks_.begin(),
cleanup_hooks_.end());
// We can't erase the copied elements from `cleanup_hooks_` yet, because we
// need to be able to check whether they were un-scheduled by another hook.
std::sort(callbacks.begin(),
callbacks.end(),
[](const CleanupHookCallback& a, const CleanupHookCallback& b) {
// Sort in descending order so that the most recently inserted
// callbacks are run first.
return a.insertion_order_counter_ > b.insertion_order_counter_;
});
return callbacks;
}
void CleanupQueue::Drain() {
std::vector<CleanupHookCallback> callbacks = GetOrdered();
for (const CleanupHookCallback& cb : callbacks) {
if (cleanup_hooks_.count(cb) == 0) {
// This hook was removed from the `cleanup_hooks_` set during another
// hook that was run earlier. Nothing to do here.
continue;
}
cb.fn_(cb.arg_);
cleanup_hooks_.erase(cb);
}
}
size_t CleanupQueue::CleanupHookCallback::Hash::operator()(
const CleanupHookCallback& cb) const {
return std::hash<void*>()(cb.arg_);
}
bool CleanupQueue::CleanupHookCallback::Equal::operator()(
const CleanupHookCallback& a, const CleanupHookCallback& b) const {
return a.fn_ == b.fn_ && a.arg_ == b.arg_;
}
} // namespace node
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