Thanks
czwartek, 29 lipca 2021 o 20:30:46 UTC+2 alarm...@gmail.com napisał(a):
> There is a happens before edge between calling the start method of a
> thread and the thread running.
>
> On JMM level that is sufficient.
>
> On Thu, Jul 29, 2021, 18:47 r r <gros...@gmail.com> wrote:
>
>> Hello,
>>
>> We have the simple pseudocode:
>>
>> void main(String[] args) {
>> MemoryBuffer b = new MemoryBuffer(); // it is a off-heap native piece
>> of memory allocated by malloc via JNI
>> b.init(); // it just write some data to the memory buffer by JNI
>> startThreadsThatReadsFromBuffer(b); // this functions starts threads
>> that read the b
>> // There is no locks / synchronization etc.
>> }
>>
>> It seems to be thread-safe in the sense of Java Memory Model. But, I
>> cannot convince myself why it is correct. Especially, how can I be sure
>> that worker threads see completely intizalized buffer b?
>>
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