1 files changed, 12 insertions, 8 deletions
diff --git a/libbutl/process.ixx b/libbutl/process.ixx
index c2cd892..df3b588 100644
--- a/libbutl/process.ixx
+++ b/libbutl/process.ixx
@@ -223,14 +223,18 @@ namespace butl
     return *this;
   }
 
-  inline bool process::
-  try_wait (bool& s)
-  {
-    bool r (try_wait ());
-
-    if (r)
-      s = exit && exit->normal () && exit->code () == 0;
+  // Implement timed_wait() function templates in terms of their milliseconds
+  // specialization.
+  //
+  template <>
+  optional<bool> process::
+  timed_wait (const std::chrono::milliseconds&);
 
-    return r;
+  template <typename R, typename P>
+  inline optional<bool> process::
+  timed_wait (const std::chrono::duration<R, P>& d)
+  {
+    using namespace std::chrono;
+    return timed_wait (duration_cast<milliseconds> (d));
   }
 }