How to wakeup a block cmd with timeout 0 initiatively

[chenjie199234]

read the comments in the code

package main

import (
	"context"
	"fmt"
	"time"

	"github.com/redis/go-redis/v9"
)

func main() {
	c := redis.NewUniversalClient(&redis.UniversalOptions{
		Addrs:                 []string{"127.0.0.1:6379"},
		ClientName:            "test",
		DialTimeout:           time.Second,
		ReadTimeout:           time.Second,
		WriteTimeout:          time.Second,
		ContextTimeoutEnabled: true,
		PoolSize:              256,
		MaxIdleConns:          100,
		ConnMaxIdleTime:       time.Minute,
	})
        //for some reason i need to block on a list to accept data
        //but there are also some reason i need to stop this action
        //how can i wakeup this
	r, e := c.BLPop(context.Background(), 0, "a").Result()
	if e != nil {
		panic(e)
	}
	fmt.Println(r)
}