Merge pull request #327 from WebAssembly/jfbastien-patch-1

Lock-free guarantees
WebAssembly · Sep 2, 2015 · cc1d5dc · cc1d5dc
2 parents f065b8d + 8928237
commit cc1d5dc
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Portability.md b/Portability.md
@@ -39,6 +39,9 @@ characteristics:
   processes executing on the same machine.
 * An execution environment which offers forward progress guarantees to all
   threads of execution (even when executing in a non-parallel manner).
+* Availability of lock-free atomic memory operations, when naturally aligned, for
+  8- 16- and 32-bit accesses. At a minimum this must include an atomic
+  compare-and-exchange operation (or equivalent load-linked/store-conditional).
 
 ## API