func doDecr (id string, signal chan int, client redis.Client, cnt int) {
key := "ctr-" + id;
for i:=0;i<cnt;i++ {
client.Decr(key);
}
signal <- 1;
}
func doDecr (id string, signal chan int, client redis.Client, cnt int) {
key := "ctr-" + id;
for i:=0;i<cnt;i++ {
client.Decr(key);
}
signal <- 1;
}