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package stm
import (
"flag"
)
const maxTokens = 25
var nFlag = flag.Int(
"n",
1_000,
"The number of iterations to execute",
)
func MainTest() {
flag.Parse()
n := *nFlag
for i := 0; i < n; i++ {
continue // FIXME
done := NewBuiltinEqVar(false)
tokens := NewBuiltinEqVar(0)
pending := NewVar(NewSet[*Var[bool]]())
for i := 0; i < 1000; i++ {
ready := NewVar(false)
Atomically(VoidOperation(func(tx *Tx) {
pending.Set(tx, pending.Get(tx).Add(ready))
}))
go func() {
Atomically(VoidOperation(func(tx *Tx) {
tx.Assert(ready.Get(tx))
set := pending.Get(tx)
if !set.Contains(ready) {
panic("couldn't find ourselves in pending")
}
pending.Set(tx, set.Delete(ready))
}))
//b.Log("waiter finished")
}()
}
go func() {
for Atomically(func(tx *Tx) bool {
if done.Get(tx) {
return false
}
tx.Assert(tokens.Get(tx) < maxTokens)
tokens.Set(tx, tokens.Get(tx)+1)
return true
}) {
}
}()
go func() {
for Atomically(func(tx *Tx) bool {
tx.Assert(tokens.Get(tx) > 0)
tokens.Set(tx, tokens.Get(tx)-1)
pending.Get(tx).Range(func(ready *Var[bool]) bool {
if !ready.Get(tx) {
ready.Set(tx, true)
return false
}
return true
})
return !done.Get(tx)
}) {
}
}()
Atomically(VoidOperation(func(tx *Tx) {
tx.Assert(pending.Get(tx).(Lenner).Len() == 0)
}))
AtomicSet(done, true)
}
}
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