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gh-84570: Add Timeouts to SendChannel.send() and RecvChannel.recv() (gh-110567)

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Eric Snow 2023-10-17 17:05:49 -06:00 • committed by GitHub
parent 7029c1a1c5
commit c58c63fdf6
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8 changed files with 205 additions and 50 deletions
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34
Python/thread.c
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@ -93,6 +93,40 @@ PyThread_set_stacksize(size_t size)
}
int
PyThread_ParseTimeoutArg(PyObject *arg, int blocking, PY_TIMEOUT_T *timeout_p)
{
assert(_PyTime_FromSeconds(-1) == PyThread_UNSET_TIMEOUT);
if (arg == NULL || arg == Py_None) {
*timeout_p = blocking ? PyThread_UNSET_TIMEOUT : 0;
return 0;
}
if (!blocking) {
PyErr_SetString(PyExc_ValueError,
"can't specify a timeout for a non-blocking call");
return -1;
}
_PyTime_t timeout;
if (_PyTime_FromSecondsObject(&timeout, arg, _PyTime_ROUND_TIMEOUT) < 0) {
return -1;
}
if (timeout < 0) {
PyErr_SetString(PyExc_ValueError,
"timeout value must be a non-negative number");
return -1;
}
if (_PyTime_AsMicroseconds(timeout,
_PyTime_ROUND_TIMEOUT) > PY_TIMEOUT_MAX) {
PyErr_SetString(PyExc_OverflowError,
"timeout value is too large");
return -1;
}
*timeout_p = timeout;
return 0;
}
PyLockStatus
PyThread_acquire_lock_timed_with_retries(PyThread_type_lock lock,
PY_TIMEOUT_T timeout)