var l sync.Mutex
var a string
func f() {
a = "hello, world"
l.Unlock()
}
func main() {
l.Lock()
go f()
l.Lock()
print(a)
}
I'm a new gopher, reading a blog about lock and having a problem, in
general , we use sync.Mutex in pairs, in the above code why could it call
lock two times in main.
Any
gt; to be an example of good style. As a "new gopher" I would avoid this idiom.
> If you did use this, some significant commenting would be needed.
>
> Also, what blog post are you referring to?
>
> - Jake
>
> On Tuesday, March 13, 2018 at 9:27:08 AM UTC-4, 郎凯 wrote:
>&g
Thanks a lot, I also want to know what the first lock meaning is?
在 2018年3月13日星期二 UTC+8下午9:32:35，Burak Serdar写道：
>
> The second lock waits until f() runs and unlocks the mutex.
>
> On Tue, Mar 13, 2018 at 3:37 AM, 郎凯 >
> wrote:
> > var l sync.Mutex
> > var a stri
after function f() is executed.
>
> regards
> Subbu
> On Tuesday, March 13, 2018 at 6:27:08 AM UTC-7, 郎凯 wrote:
>>
>> var l sync.Mutex
>> var a string
>>
>> func f() {
>> a = "hello, world"
>> l.Unlock()
>> }
>>
>>
