whisper.cpp/bindings/go/examples/go-model-download/context.go

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package main
import (
"context"
"os"
"os/signal"
)
// ContextForSignal returns a context object which is cancelled when a signal
// is received. It returns nil if no signal parameter is provided
func ContextForSignal(signals ...os.Signal) context.Context {
if len(signals) == 0 {
return nil
}
ch := make(chan os.Signal)
ctx, cancel := context.WithCancel(context.Background())
// Send message on channel when signal received
signal.Notify(ch, signals...)
// When any signal received, call cancel
go func() {
<-ch
cancel()
}()
// Return success
return ctx
}