diff options
| -rw-r--r-- | Doc/library/time.rst | 7 | ||||
| -rw-r--r-- | Lib/test/test_time.py | 11 | ||||
| -rw-r--r-- | Modules/timemodule.c | 30 |
3 files changed, 48 insertions, 0 deletions
diff --git a/Doc/library/time.rst b/Doc/library/time.rst index f87fa64..8156b01 100644 --- a/Doc/library/time.rst +++ b/Doc/library/time.rst @@ -151,6 +151,13 @@ The module defines the following functions and data items: .. versionadded:: 3.3 +.. function:: clock_settime(clk_id, time) + + Set the time of the specified clock *clk_id*. + + .. versionadded:: 3.3 + + .. data:: CLOCK_REALTIME System-wide real-time clock. Setting this clock requires appropriate diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py index 28d018a..fb2489c 100644 --- a/Lib/test/test_time.py +++ b/Lib/test/test_time.py @@ -47,6 +47,17 @@ class TimeTestCase(unittest.TestCase): self.assertGreater(res, 0.0) self.assertLessEqual(res, 1.0) + @unittest.skipUnless(hasattr(time, 'clock_settime'), + 'need time.clock_settime()') + def test_clock_settime(self): + t = time.clock_gettime(time.CLOCK_REALTIME) + try: + time.clock_settime(time.CLOCK_REALTIME, t) + except PermissionError: + pass + + self.assertRaises(OSError, time.clock_settime, time.CLOCK_MONOTONIC, 0) + def test_conversions(self): self.assertEqual(time.ctime(self.t), time.asctime(time.localtime(self.t))) diff --git a/Modules/timemodule.c b/Modules/timemodule.c index 0fe1b17..23f3ddd 100644 --- a/Modules/timemodule.c +++ b/Modules/timemodule.c @@ -158,6 +158,33 @@ PyDoc_STRVAR(clock_gettime_doc, "clock_gettime(clk_id) -> floating point number\n\ \n\ Return the time of the specified clock clk_id."); + +static PyObject * +time_clock_settime(PyObject *self, PyObject *args) +{ + clockid_t clk_id; + PyObject *obj; + struct timespec tp; + int ret; + + if (!PyArg_ParseTuple(args, "iO:clock_settime", &clk_id, &obj)) + return NULL; + + if (_PyTime_ObjectToTimespec(obj, &tp.tv_sec, &tp.tv_nsec) == -1) + return NULL; + + ret = clock_settime((clockid_t)clk_id, &tp); + if (ret != 0) { + PyErr_SetFromErrno(PyExc_IOError); + return NULL; + } + Py_RETURN_NONE; +} + +PyDoc_STRVAR(clock_settime_doc, +"clock_settime(clk_id, time)\n\ +\n\ +Set the time of the specified clock clk_id."); #endif #ifdef HAVE_CLOCK_GETRES @@ -983,6 +1010,9 @@ static PyMethodDef time_methods[] = { #ifdef HAVE_CLOCK_GETTIME {"clock_gettime", time_clock_gettime, METH_VARARGS, clock_gettime_doc}, #endif +#ifdef HAVE_CLOCK_GETTIME + {"clock_settime", time_clock_settime, METH_VARARGS, clock_settime_doc}, +#endif #ifdef HAVE_CLOCK_GETRES {"clock_getres", time_clock_getres, METH_VARARGS, clock_getres_doc}, #endif |