TLS/GC issues on macOS

Sönke Ludwig sludwig+d at
Mon Jan 7 08:02:45 UTC 2019

Am 03.01.2019 um 21:18 schrieb David Nadlinger:
> On 3 Jan 2019, at 12:58, Sönke Ludwig via digitalmars-d-ldc wrote:
>> There appears to be a GC visibility issue of TLS sections on macOS 
>> when multiple threads are involved. I added a test case to what looks 
>> like the same issue:
> Try this patch:
> (...)
> Still trying to figure out how much of that code can be stripped away 
> for non-Shared builds (it's a mess, as DMD partially supports shared 
> libraries on Linux with a static runtime), or how on earth nobody has 
> found this before.
> Best,
> David

That appears to fix it indeed. I still have to run the actual test case, 
but the application runs fine now.

Many thanks for the quick solution!

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