On Sunday, 7 February 2016 at 19:43:23 UTC, rsw0x wrote:
On Sunday, 7 February 2016 at 19:39:27 UTC, rsw0x wrote:
On Sunday, 7 February 2016 at 19:27:19 UTC, Charles Hixson
wrote:
If I define a shared ulong variable, is increment an atomic
operation?
E.g.
shared ulong t;
...
t++;
It seems as if it ought to be, but it could be split into
read, increment, store.
I started off defining a shared struct, but that seems silly,
as if the operations defined within a shared struct are
synced, then the operation on a shared variable should be
synced, but "+=" is clearly stated not to be synchronized, so
I'm uncertain.
https://dlang.org/phobos/core_atomic.html#.atomicOp
Just noticed that there's no example.
It's used like
shared(ulong) a;
atomicOp!"+="(a, 1);
Wow, that syntax sucks a lot.
