How you guys go about -BetterC Multithreading?
ParticlePeter
ParticlePeter at gmx.de
Thu Nov 9 13:00:15 UTC 2017
On Thursday, 9 November 2017 at 12:19:00 UTC, Petar Kirov
[ZombineDev] wrote:
> On Thursday, 9 November 2017 at 11:08:21 UTC, ParticlePeter
> wrote:
>> Any experience reports or general suggestions?
>> I've used only D threads so far.
>
> It would be far easier if you use druntime + @nogc and/or
> de-register latency-sensitive threads from druntime [1], so
> they're not interrupted even if some other thread calls the GC.
> Probably the path of least resistance is to call [2] and queue
> @nogc tasks on [3].
>
> If you really want to pursue the version(D_BetterC) route, then
> you're essentially on your own to use the threading facilities
> provided by your target OS, e.g.:
>
> https://linux.die.net/man/3/pthread_create
> https://msdn.microsoft.com/en-us/library/windows/desktop/ms682516(v=vs.85).aspx
>
> Though you need to be extra careful not to use thread-local
> storage (e.g. only shared static and __gshared) and not to rely
> on (shared) static {con|de}structors, dynamic arrays,
> associative arrays, exceptions, classes, RAII, etc., which is
> really not worth it, unless you're writing very low-level code
> (e.g. OS kernels and drivers).
>
> [1]: https://dlang.org/phobos/core_thread#.thread_detachThis
> [2]: https://dlang.org/phobos/core_memory#.GC.disable
> [3]: https://dlang.org/phobos/std_parallelism#.taskPool
Forgot to mention, I'll try this first, I think its a good first
step towards -BetterC usage. But in the end I want to see how far
I can get with the -BetterC feature.
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