Ticket #9379: ticket9379.patch

boost/chrono/config.hpp

@@ -84 +84 @@
 #   include <time.h>  //to check for CLOCK_REALTIME and CLOCK_MONOTONIC and _POSIX_THREAD_CPUTIME
 #   if defined(CLOCK_MONOTONIC)
 #      define BOOST_CHRONO_HAS_CLOCK_STEADY
+#   elif defined(__GNUC__) && defined(__hpux)
+#      define BOOST_CHRONO_HAS_GETHRTIME
+#      define BOOST_CHRONO_HAS_CLOCK_STEADY
 #   endif
 #   if defined(_POSIX_THREAD_CPUTIME) && !defined(BOOST_DISABLE_THREADS)
 #     define BOOST_CHRONO_HAS_THREAD_CLOCK

boost/chrono/detail/inlined/posix/chrono.hpp

@@ -74 +74 @@
 
   steady_clock::time_point steady_clock::now() BOOST_NOEXCEPT
   {
+#ifdef BOOST_CHRONO_HAS_GETHRTIME
+    hrtime_t hrt = gethrtime();
+    BOOST_ASSERT(hrt >= 0);
+    return time_point(nanoseconds(hrt));
+#else
     timespec ts;
     if ( ::clock_gettime( CLOCK_MONOTONIC, &ts ) )
     {
@@ -82 +87 @@
 
     return time_point(duration(
       static_cast<steady_clock::rep>( ts.tv_sec ) * 1000000000 + ts.tv_nsec));
+#endif
   }
 
 #if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
   steady_clock::time_point steady_clock::now(system::error_code & ec)
   {
+#ifdef BOOST_CHRONO_HAS_GETHRTIME
+    hrtime_t hrt = gethrtime();
+    if (hrt < 0)
+    {
+        boost::throw_exception(
+                system::system_error(
+                        EFAULT,
+                        BOOST_CHRONO_SYSTEM_CATEGORY,
+                        "chrono::steady_clock" ));
+    }
+    else
+    {
+        ec.assign( EFAULT, BOOST_CHRONO_SYSTEM_CATEGORY );
+        return time_point();
+    }
+    if (!BOOST_CHRONO_IS_THROWS(ec))
+    {
+        ec.clear();
+    }
+    return time_point(nanoseconds(hrt));
+#else
     timespec ts;
     if ( ::clock_gettime( CLOCK_MONOTONIC, &ts ) )
     {
@@ -111 +138 @@
     }
     return time_point(duration(
       static_cast<steady_clock::rep>( ts.tv_sec ) * 1000000000 + ts.tv_nsec));
+#endif
   }
 #endif
 #endif