impl(common): lack of std::chrono::ceil workaround (#10556)

scotthart · web-flow · commit 78589c34744e · 2023-01-12T17:00:23.000Z
diff --git a/google/cloud/internal/rest_completion_queue_impl.cc b/google/cloud/internal/rest_completion_queue_impl.cc
@@ -38,7 +38,8 @@ RestCompletionQueueImpl::MakeDeadlineTimer(
 future<StatusOr<std::chrono::system_clock::time_point>>
 RestCompletionQueueImpl::MakeRelativeTimer(std::chrono::nanoseconds duration) {
   using std::chrono::system_clock;
-  auto const d = std::chrono::duration_cast<system_clock::duration>(duration);
+  auto d = std::chrono::duration_cast<system_clock::duration>(duration);
+  if (d < duration) d += system_clock::duration{1};
   return MakeDeadlineTimer(system_clock::now() + d);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,8 @@ RestCompletionQueueImpl::MakeDeadlineTimer(`
`38`	`38`	`future<StatusOr<std::chrono::system_clock::time_point>>`
`39`	`39`	`RestCompletionQueueImpl::MakeRelativeTimer(std::chrono::nanoseconds duration) {`
`40`	`40`	`using std::chrono::system_clock;`
`41`		`- auto const d = std::chrono::duration_cast<system_clock::duration>(duration);`
	`41`	`+ auto d = std::chrono::duration_cast<system_clock::duration>(duration);`
	`42`	`+ if (d < duration) d += system_clock::duration{1};`
`42`	`43`	`return MakeDeadlineTimer(system_clock::now() + d);`
`43`	`44`	`}`
`44`	`45`