Provide a generic PAL feature detection mechanism.

We can support up to 64 optional features, currently only one is used.
2019-02-21 14:00:04 +00:00
parent 80630a359f
commit a24e6270cc
8 changed files with 43 additions and 18 deletions
--- a/src/mem/alloc.h
+++ b/src/mem/alloc.h
@@ -1004,7 +1004,7 @@ namespace snmalloc
            static_assert(
              std::remove_reference_t<decltype(
                large_allocator
-                  .memory_provider)>::supports_low_memory_notification,
+                  .memory_provider)>::pal_supports<LowMemoryNotification>(),
              "A lazy decommit strategy cannot be implemented on platforms "
              "without low memory notifications");
          }