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[3.6] bpo-31806: Use _PyTime_ROUND_TIMEOUT for the timeout argument parsing in more functions (GH-4026) (#4032)

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Fix timeout rounding in time.sleep(), threading.Lock.acquire() and
socket.socket.settimeout() to round correctly negative timeouts between -1.0 and
0.0. The functions now block waiting for events as expected. Previously, the
call was incorrectly non-blocking.
(cherry picked from commit 59af94fa61)
This commit is contained in:
Miss Islington (bot) 2017-10-18 02:09:57 -07:00 • committed by Serhiy Storchaka
parent 95602b368b
commit be4e9cc769
4 changed files with 10 additions and 6 deletions
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4
Modules/_threadmodule.c
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@ -111,7 +111,7 @@ lock_acquire_parse_args(PyObject *args, PyObject *kwds,
if (timeout_obj
&& _PyTime_FromSecondsObject(timeout,
timeout_obj, _PyTime_ROUND_CEILING) < 0)
timeout_obj, _PyTime_ROUND_TIMEOUT) < 0)
return -1;
if (!blocking && *timeout != unset_timeout ) {
@ -129,7 +129,7 @@ lock_acquire_parse_args(PyObject *args, PyObject *kwds,
else if (*timeout != unset_timeout) {
_PyTime_t microseconds;
microseconds = _PyTime_AsMicroseconds(*timeout, _PyTime_ROUND_CEILING);
microseconds = _PyTime_AsMicroseconds(*timeout, _PyTime_ROUND_TIMEOUT);
if (microseconds >= PY_TIMEOUT_MAX) {
PyErr_SetString(PyExc_OverflowError,
"timeout value is too large");