internal override void TryAlt(ref Worker wr, int i, Cont <X> xK, Else xE)
{
var pk = xE.pk;
var nk = Pick.ClaimAndAddNack(pk, i);
if (null != nk)
{
var cts = new CancellationTokenSource();
Task <X> xT;
try {
xT = this.Start(cts.Token);
} catch (Exception e) {
Pick.PickClaimedAndSetNacks(ref wr, i, pk);
cts.Dispose();
Handler.DoHandle(xK, ref wr, e);
return;
}
if (TaskStatus.RanToCompletion == xT.Status)
{
Pick.PickClaimedAndSetNacks(ref wr, i, pk);
cts.Dispose();
Cont.Do(xK, ref wr, xT.Result);
}
else
{
var state = new TaskToAltAwaiter <X>(cts, pk, i, xT, xK, wr.Scheduler);
nk.UnsafeAddReader(state);
Pick.Unclaim(pk);
var j = i + 1;
nk.I1 = j;
xT.ConfigureAwait(false).GetAwaiter().UnsafeOnCompleted(state.Ready);
xE.TryElse(ref wr, j);
}
}
}
internal override void DoJob(ref Worker wr, Cont <X> xK)
{
#if !NO_ISTHREADPOOLTHREAD
if (Thread.CurrentThread.IsThreadPoolThread)
{
var work = wr.WorkStack;
wr.WorkStack = null;
Scheduler.PushAll(wr.Scheduler, work);
Cont.Do(xK, ref wr, this.Run());
}
else
#endif
{
var fac = new FromAsyncCont <X>(xK);
this.Start(fac);
if (0 != fac.state)
{
goto Continue;
}
fac.sr = wr.Scheduler;
if (0 == Interlocked.CompareExchange(ref fac.state, 1, 0))
{
return;
}
Continue:
Work.Do(fac.xK, ref wr);
}
}
internal override void TryAlt(ref Worker wr, int i, Cont <X> xK, Else xE)
{
var pk = xE.pk;
var cb = new AltCallback <X>(wr.Scheduler, this, xK, pk, -1);
var nk = Pick.ClaimAndAddNack(pk, i);
if (null != nk)
{
try {
cb.iar = DoBegin(StaticData.workAsyncCallback, cb);
} catch (Exception e) {
Pick.PickClaimedAndSetNacks(ref wr, i, pk);
Handler.DoHandle(xK, ref wr, e);
return;
}
var m = cb.me;
if (0 <= m || m != Interlocked.CompareExchange(ref cb.me, i, m))
{
Pick.PickClaimedAndSetNacks(ref wr, i, pk);
Cont.Do(xK, ref wr, DoEnd(cb.iar));
}
else
{
nk.UnsafeAddReader(cb);
Pick.Unclaim(pk);
var j = i + 1;
nk.I1 = j;
xE.TryElse(ref wr, j);
}
}
}
internal override void DoJob(ref Worker wr, Cont <X> xK)
{
var xT = Start(new CancellationToken(false));
if (TaskStatus.RanToCompletion == xT.Status)
{
Cont.Do(xK, ref wr, xT.Result);
}
else
{
xT.ConfigureAwait(false).GetAwaiter().UnsafeOnCompleted(new TaskToJobAwaiter <X>(xT, xK, wr.Scheduler).Ready);
}
}
internal override void DoJob(ref Worker wr, Cont <X> xK)
{
var xT = this.xT;
if (TaskStatus.RanToCompletion == xT.Status)
{
Cont.Do(xK, ref wr, xT.Result);
}
else
{
xT.ConfigureAwait(false).GetAwaiter().UnsafeOnCompleted(new State(xT, xK, wr.Scheduler).Ready);
}
}
internal override void DoWork(ref Worker wr)
{
var me = this.me;
if (me < 0 && me == Interlocked.CompareExchange(ref this.me, 0, me))
{
return;
}
if (0 != Pick.PickAndSetNacks(pk, ref wr, me))
{
xJ.DoCancel(iar);
}
else
{
Cont.Do(xK, ref wr, xJ.DoEnd(iar));
}
}
internal override void TryAlt(ref Worker wr, int i, Cont <T> xK, Else xE)
{
var pkSelf = xE.pk;
TryPick:
var stSelf = Pick.TryPick(pkSelf);
if (stSelf > 0)
{
goto AlreadyPicked;
}
if (stSelf < 0)
{
goto TryPick;
}
Pick.SetNacks(ref wr, i, pkSelf);
Cont.Do(xK, ref wr, this.value);
AlreadyPicked:
return;
}
internal override void DoJob(ref Worker wr, Cont <Scheduler> sK)
{
Cont.Do(sK, ref wr, wr.Scheduler);
}
internal override void DoJob(ref Worker wr, Cont <Proc> pK)
{
Cont.Do(pK, ref wr, pK.GetProc(ref wr));
}
internal override void DoJob(ref Worker wr, Cont <T> xK)
{
Cont.Do(xK, ref wr, this.value);
}
internal override void DoWork(ref Worker wr)
{
Cont.Do(xK, ref wr, xJ.DoEnd(iar));
}
