WorkQueueCocoa.cpp [plain text]
#include "config.h"
#include <wtf/WorkQueue.h>
#include <wtf/BlockPtr.h>
#include <wtf/Ref.h>
namespace WTF {
void WorkQueue::dispatch(Function<void()>&& function)
{
dispatch_async(m_dispatchQueue, makeBlockPtr([protectedThis = makeRef(*this), function = WTFMove(function)] {
function();
}).get());
}
void WorkQueue::dispatchAfter(Seconds duration, Function<void()>&& function)
{
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, duration.nanosecondsAs<int64_t>()), m_dispatchQueue, makeBlockPtr([protectedThis = makeRef(*this), function = WTFMove(function)] {
function();
}).get());
}
static dispatch_qos_class_t dispatchQOSClass(WorkQueue::QOS qos)
{
switch (qos) {
case WorkQueue::QOS::UserInteractive:
return Thread::adjustedQOSClass(QOS_CLASS_USER_INTERACTIVE);
case WorkQueue::QOS::UserInitiated:
return Thread::adjustedQOSClass(QOS_CLASS_USER_INITIATED);
case WorkQueue::QOS::Default:
return Thread::adjustedQOSClass(QOS_CLASS_DEFAULT);
case WorkQueue::QOS::Utility:
return Thread::adjustedQOSClass(QOS_CLASS_UTILITY);
case WorkQueue::QOS::Background:
return Thread::adjustedQOSClass(QOS_CLASS_BACKGROUND);
}
}
void WorkQueue::platformInitialize(const char* name, Type type, QOS qos)
{
dispatch_queue_attr_t attr = type == Type::Concurrent ? DISPATCH_QUEUE_CONCURRENT : DISPATCH_QUEUE_SERIAL;
attr = dispatch_queue_attr_make_with_qos_class(attr, dispatchQOSClass(qos), 0);
m_dispatchQueue = dispatch_queue_create(name, attr);
dispatch_set_context(m_dispatchQueue, this);
}
void WorkQueue::platformInvalidate()
{
dispatch_release(m_dispatchQueue);
}
void WorkQueue::concurrentApply(size_t iterations, WTF::Function<void(size_t index)>&& function)
{
dispatch_apply(iterations, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), makeBlockPtr([function = WTFMove(function)](size_t index) {
function(index);
}).get());
}
}