Add HPX_NODISCARD to enable_user_polling structs

Avoid mistakes where user polling is enabled and disabled immediately, instead of at the end of a scope.
STEllAR-GROUP · Aug 26, 2020 · 7e0c472 · 7e0c472
1 parent 63729e8
commit 7e0c472
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/libs/async_cuda/include/hpx/async_cuda/cuda_future.hpp b/libs/async_cuda/include/hpx/async_cuda/cuda_future.hpp
@@ -309,7 +309,7 @@ namespace hpx { namespace cuda { namespace experimental {
 
     // -----------------------------------------------------------------
     // This RAII helper class enables polling for a scoped block
-    struct enable_user_polling
+    struct HPX_NODISCARD enable_user_polling
     {
         enable_user_polling(std::string const& pool_name = "")
           : pool_name_(pool_name)

diff --git a/libs/async_mpi/include/hpx/async_mpi/mpi_future.hpp b/libs/async_mpi/include/hpx/async_mpi/mpi_future.hpp
@@ -230,7 +230,7 @@ namespace hpx { namespace mpi { namespace experimental {
     // -----------------------------------------------------------------
     // This RAII helper class assumes that MPI initialization/finalization is
     // handled elsewhere
-    struct enable_user_polling
+    struct HPX_NODISCARD enable_user_polling
     {
         enable_user_polling(std::string const& pool_name = "")
           : pool_name_(pool_name)