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bpo-30860: Consolidate stateful runtime globals. (#3397)

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* group the (stateful) runtime globals into various topical structs
* consolidate the topical structs under a single top-level _PyRuntimeState struct
* add a check-c-globals.py script that helps identify runtime globals

Other globals are excluded (see globals.txt and check-c-globals.py).
This commit is contained in:
Eric Snow 2017-09-07 23:51:28 -06:00 • committed by GitHub
parent bab21faded
commit 2ebc5ce42a
72 changed files with 2746 additions and 1312 deletions
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12
Modules/_threadmodule.c
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@ -3,11 +3,11 @@
/* Interface to Sjoerd's portable C thread library */
#include "Python.h"
#include "internal/pystate.h"
#include "structmember.h" /* offsetof */
#include "pythread.h"
static PyObject *ThreadError;
static long nb_threads = 0;
static PyObject *str_dict;
_Py_IDENTIFIER(stderr);
@ -986,7 +986,7 @@ t_bootstrap(void *boot_raw)
tstate->thread_id = PyThread_get_thread_ident();
_PyThreadState_Init(tstate);
PyEval_AcquireThread(tstate);
nb_threads++;
tstate->interp->num_threads++;
res = PyObject_Call(boot->func, boot->args, boot->keyw);
if (res == NULL) {
if (PyErr_ExceptionMatches(PyExc_SystemExit))
@ -1013,7 +1013,7 @@ t_bootstrap(void *boot_raw)
Py_DECREF(boot->args);
Py_XDECREF(boot->keyw);
PyMem_DEL(boot_raw);
nb_threads--;
tstate->interp->num_threads--;
PyThreadState_Clear(tstate);
PyThreadState_DeleteCurrent();
PyThread_exit_thread();
@ -1152,7 +1152,8 @@ A thread's identity may be reused for another thread after it exits.");
static PyObject *
thread__count(PyObject *self)
{
return PyLong_FromLong(nb_threads);
PyThreadState *tstate = PyThreadState_Get();
return PyLong_FromLong(tstate->interp->num_threads);
}
PyDoc_STRVAR(_count_doc,
@ -1345,6 +1346,7 @@ PyInit__thread(void)
PyObject *m, *d, *v;
double time_max;
double timeout_max;
PyThreadState *tstate = PyThreadState_Get();
/* Initialize types: */
if (PyType_Ready(&localdummytype) < 0)
@ -1389,7 +1391,7 @@ PyInit__thread(void)
if (PyModule_AddObject(m, "_local", (PyObject *)&localtype) < 0)
return NULL;
nb_threads = 0;
tstate->interp->num_threads = 0;
str_dict = PyUnicode_InternFromString("__dict__");
if (str_dict == NULL)