Changeset fb0ae06 for libcfa/src/concurrency

Timestamp:

Aug 12, 2020, 1:35:26 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

4fe6224, 980fb4e, ded61bf2

Parents:

f8d05ee (diff), dab09ad (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' into new-ast

File:

• libcfa/src/concurrency/kernel.cfa (modified) (1 diff)

libcfa/src/concurrency/kernel.cfa

@@ -532 +532 @@
                 unsigned total   = this.total;
                 processor * proc = &this.list`first;
+                // Thread fence is unnecessary, but gcc-8 and older incorrectly reorder code without it
+                __atomic_thread_fence(__ATOMIC_SEQ_CST);
                 if(l != __atomic_load_n(&this.lock, __ATOMIC_SEQ_CST)) { Pause(); continue; }
                 return [idle, total, proc];