Use ROUND_CEILING again in some places where ROUND_UP is not needed

Author: pablogsal

Modules/selectmodule.c

@@ -221,7 +221,7 @@ select_select(PyObject *self, PyObject *args)
             return NULL;
         }
 
-        if (_PyTime_AsTimeval(timeout, &tv, _PyTime_ROUND_UP) == -1)
+        if (_PyTime_AsTimeval(timeout, &tv, _PyTime_ROUND_CEILING) == -1)
             return NULL;
         if (tv.tv_sec < 0) {
             PyErr_SetString(PyExc_ValueError, "timeout must be non-negative");
@@ -282,7 +282,7 @@ select_select(PyObject *self, PyObject *args)
                 n = 0;
                 break;
             }
-            _PyTime_AsTimeval_noraise(timeout, &tv, _PyTime_ROUND_UP);
+            _PyTime_AsTimeval_noraise(timeout, &tv, _PyTime_ROUND_CEILING);
             /* retry select() with the recomputed timeout */
         }
     } while (1);
@@ -594,7 +594,7 @@ poll_poll(pollObject *self, PyObject *args)
                 poll_result = 0;
                 break;
             }
-            ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_UP);
+            ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
             /* retry poll() with the recomputed timeout */
         }
     } while (1);
@@ -941,7 +941,7 @@ devpoll_poll(devpollObject *self, PyObject *args)
                 poll_result = 0;
                 break;
             }
-            ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_UP);
+            ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
             dvp.dp_timeout = (int)ms;
             /* retry devpoll() with the recomputed timeout */
         }