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Merge in the new GIL.

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This commit is contained in:
Antoine Pitrou 2009-11-10 19:50:40 +00:00
parent 434736a1a6
commit 074e5ed974
10 changed files with 522 additions and 73 deletions
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64
Python/sysmodule.c
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@ -448,10 +448,18 @@ Return the profiling function set with sys.setprofile.\n\
See the profiler chapter in the library manual."
);
/* TODO: deprecate */
static int _check_interval = 100;
static PyObject *
sys_setcheckinterval(PyObject *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, "i:setcheckinterval", &_Py_CheckInterval))
if (PyErr_WarnEx(PyExc_DeprecationWarning,
"sys.getcheckinterval() and sys.setcheckinterval() "
"are deprecated. Use sys.setswitchinterval() "
"instead.", 1) < 0)
return NULL;
if (!PyArg_ParseTuple(args, "i:setcheckinterval", &_check_interval))
return NULL;
Py_INCREF(Py_None);
return Py_None;
@ -467,13 +475,59 @@ n instructions. This also affects how often thread switches occur."
static PyObject *
sys_getcheckinterval(PyObject *self, PyObject *args)
{
return PyLong_FromLong(_Py_CheckInterval);
if (PyErr_WarnEx(PyExc_DeprecationWarning,
"sys.getcheckinterval() and sys.setcheckinterval() "
"are deprecated. Use sys.getswitchinterval() "
"instead.", 1) < 0)
return NULL;
return PyLong_FromLong(_check_interval);
}
PyDoc_STRVAR(getcheckinterval_doc,
"getcheckinterval() -> current check interval; see setcheckinterval()."
);
#ifdef WITH_THREAD
static PyObject *
sys_setswitchinterval(PyObject *self, PyObject *args)
{
double d;
if (!PyArg_ParseTuple(args, "d:setswitchinterval", &d))
return NULL;
if (d <= 0.0) {
PyErr_SetString(PyExc_ValueError,
"switch interval must be strictly positive");
return NULL;
}
_PyEval_SetSwitchInterval((unsigned long) (1e6 * d));
Py_INCREF(Py_None);
return Py_None;
}
PyDoc_STRVAR(setswitchinterval_doc,
"setswitchinterval(n)\n\
\n\
Set the ideal thread switching delay inside the Python interpreter\n\
The actual frequency of switching threads can be lower if the\n\
interpreter executes long sequences of uninterruptible code\n\
(this is implementation-specific and workload-dependent).\n\
\n\
The parameter must represent the desired switching delay in seconds\n\
A typical value is 0.005 (5 milliseconds)."
);
static PyObject *
sys_getswitchinterval(PyObject *self, PyObject *args)
{
return PyFloat_FromDouble(1e-6 * _PyEval_GetSwitchInterval());
}
PyDoc_STRVAR(getswitchinterval_doc,
"getswitchinterval() -> current thread switch interval; see setswitchinterval()."
);
#endif /* WITH_THREAD */
#ifdef WITH_TSC
static PyObject *
sys_settscdump(PyObject *self, PyObject *args)
@ -895,6 +949,12 @@ static PyMethodDef sys_methods[] = {
setcheckinterval_doc},
{"getcheckinterval", sys_getcheckinterval, METH_NOARGS,
getcheckinterval_doc},
#ifdef WITH_THREAD
{"setswitchinterval", sys_setswitchinterval, METH_VARARGS,
setswitchinterval_doc},
{"getswitchinterval", sys_getswitchinterval, METH_NOARGS,
getswitchinterval_doc},
#endif
#ifdef HAVE_DLOPEN
{"setdlopenflags", sys_setdlopenflags, METH_VARARGS,
setdlopenflags_doc},