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package stm
import (
"flag"
)
var nFlag = flag.Int(
"n",
1_000,
"The number of iterations to execute",
)
func MainTest() {
flag.Parse()
n := *nFlag
const maxTokens = 25
for i := 0; i < n; i++ {
done := NewBuiltinEqVar(false)
tokens := NewBuiltinEqVar(0)
pending := NewBuiltinEqVar(0)
for i := 0; i < 1000; i++ {
Atomically(VoidOperation(func(tx *Tx) {
pending.Set(tx, pending.Get(tx)+1)
}))
go func() {
Atomically(VoidOperation(func(tx *Tx) {
t := tokens.Get(tx)
if t > 0 {
tokens.Set(tx, t-1)
pending.Set(tx, pending.Get(tx)-1)
} else {
tx.Retry()
}
}))
}()
}
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
}) {
}
}()
Atomically(VoidOperation(func(tx *Tx) {
tx.Assert(pending.Get(tx) == 0)
}))
AtomicSet(done, true)
}
}
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