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package stm
import (
"flag"
"sync"
)
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++ {
var mu sync.Mutex
consumer := sync.NewCond(&mu)
generator := sync.NewCond(&mu)
done := false
tokens := 0
var pending sync.WaitGroup
for i := 0; i < 1000; i++ {
pending.Add(1)
go func() {
mu.Lock()
for {
if tokens > 0 {
tokens--
generator.Signal()
break
}
consumer.Wait()
}
mu.Unlock()
pending.Done()
}()
}
go func() {
mu.Lock()
for !done {
if tokens < maxTokens {
tokens++
consumer.Signal()
} else {
generator.Wait()
}
}
mu.Unlock()
}()
pending.Wait()
mu.Lock()
done = true
generator.Signal()
mu.Unlock()
}
}
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