Thanks to visit codestin.com
Credit goes to github.com

Skip to content

Commit 25ce566

Browse files
gvanrossumgvanrossum
committed
The last of the mass checkins for separate (sub)interpreters.
Everything should now work again. See the comments for the .h files mass checkin (e.g. pystate.h) for more detail.
1 parent 40b33c6 commit 25ce566

File tree

7 files changed

+542
-218
lines changed

7 files changed

+542
-218
lines changed

‎Python/bltinmodule.c

Lines changed: 71 additions & 50 deletions
Original file line numberDiff line numberDiff line change
@@ -1668,21 +1668,6 @@ static PyMethodDef builtin_methods[] = {
16681668
{NULL, NULL},
16691669
};
16701670

1671-
static PyObject *builtin_mod;
1672-
static PyObject *builtin_dict;
1673-
1674-
PyObject *
1675-
PyBuiltin_GetModule()
1676-
{
1677-
return builtin_mod;
1678-
}
1679-
1680-
PyObject *
1681-
PyBuiltin_GetDict()
1682-
{
1683-
return builtin_dict;
1684-
}
1685-
16861671
/* Predefined exceptions */
16871672

16881673
PyObject *PyExc_AccessError;
@@ -1707,54 +1692,90 @@ PyObject *PyExc_ValueError;
17071692
PyObject *PyExc_ZeroDivisionError;
17081693

17091694
static PyObject *
1710-
newstdexception(name)
1695+
newstdexception(dict, name)
1696+
PyObject *dict;
17111697
char *name;
17121698
{
17131699
PyObject *v = PyString_FromString(name);
1714-
if (v == NULL || PyDict_SetItemString(builtin_dict, name, v) != 0)
1700+
if (v == NULL || PyDict_SetItemString(dict, name, v) != 0)
17151701
Py_FatalError("no mem for new standard exception");
17161702
return v;
17171703
}
17181704

17191705
static void
1720-
initerrors()
1706+
initerrors(dict)
1707+
PyObject *dict;
17211708
{
1722-
PyExc_AccessError = newstdexception("AccessError");
1723-
PyExc_AssertionError = newstdexception("AssertionError");
1724-
PyExc_AttributeError = newstdexception("AttributeError");
1725-
PyExc_EOFError = newstdexception("EOFError");
1726-
PyExc_FloatingPointError = newstdexception("FloatingPointError");
1727-
PyExc_IOError = newstdexception("IOError");
1728-
PyExc_ImportError = newstdexception("ImportError");
1729-
PyExc_IndexError = newstdexception("IndexError");
1730-
PyExc_KeyError = newstdexception("KeyError");
1731-
PyExc_KeyboardInterrupt = newstdexception("KeyboardInterrupt");
1732-
PyExc_MemoryError = newstdexception("MemoryError");
1733-
PyExc_NameError = newstdexception("NameError");
1734-
PyExc_OverflowError = newstdexception("OverflowError");
1735-
PyExc_RuntimeError = newstdexception("RuntimeError");
1736-
PyExc_SyntaxError = newstdexception("SyntaxError");
1737-
PyExc_SystemError = newstdexception("SystemError");
1738-
PyExc_SystemExit = newstdexception("SystemExit");
1739-
PyExc_TypeError = newstdexception("TypeError");
1740-
PyExc_ValueError = newstdexception("ValueError");
1741-
PyExc_ZeroDivisionError = newstdexception("ZeroDivisionError");
1709+
PyExc_AccessError = newstdexception(dict, "AccessError");
1710+
PyExc_AssertionError = newstdexception(dict, "AssertionError");
1711+
PyExc_AttributeError = newstdexception(dict, "AttributeError");
1712+
PyExc_EOFError = newstdexception(dict, "EOFError");
1713+
PyExc_FloatingPointError = newstdexception(dict, "FloatingPointError");
1714+
PyExc_IOError = newstdexception(dict, "IOError");
1715+
PyExc_ImportError = newstdexception(dict, "ImportError");
1716+
PyExc_IndexError = newstdexception(dict, "IndexError");
1717+
PyExc_KeyError = newstdexception(dict, "KeyError");
1718+
PyExc_KeyboardInterrupt = newstdexception(dict, "KeyboardInterrupt");
1719+
PyExc_MemoryError = newstdexception(dict, "MemoryError");
1720+
PyExc_NameError = newstdexception(dict, "NameError");
1721+
PyExc_OverflowError = newstdexception(dict, "OverflowError");
1722+
PyExc_RuntimeError = newstdexception(dict, "RuntimeError");
1723+
PyExc_SyntaxError = newstdexception(dict, "SyntaxError");
1724+
PyExc_SystemError = newstdexception(dict, "SystemError");
1725+
PyExc_SystemExit = newstdexception(dict, "SystemExit");
1726+
PyExc_TypeError = newstdexception(dict, "TypeError");
1727+
PyExc_ValueError = newstdexception(dict, "ValueError");
1728+
PyExc_ZeroDivisionError = newstdexception(dict, "ZeroDivisionError");
1729+
}
1730+
1731+
static void
1732+
finierrors()
1733+
{
1734+
Py_XDECREF(PyExc_AccessError); PyExc_AccessError = NULL;
1735+
Py_XDECREF(PyExc_AssertionError); PyExc_AssertionError = NULL;
1736+
Py_XDECREF(PyExc_AttributeError); PyExc_AttributeError = NULL;
1737+
Py_XDECREF(PyExc_EOFError); PyExc_EOFError = NULL;
1738+
Py_XDECREF(PyExc_FloatingPointError); PyExc_FloatingPointError = NULL;
1739+
Py_XDECREF(PyExc_IOError); PyExc_IOError = NULL;
1740+
Py_XDECREF(PyExc_ImportError); PyExc_ImportError = NULL;
1741+
Py_XDECREF(PyExc_IndexError); PyExc_IndexError = NULL;
1742+
Py_XDECREF(PyExc_KeyError); PyExc_KeyError = NULL;
1743+
Py_XDECREF(PyExc_KeyboardInterrupt); PyExc_KeyboardInterrupt = NULL;
1744+
Py_XDECREF(PyExc_MemoryError); PyExc_MemoryError = NULL;
1745+
Py_XDECREF(PyExc_NameError); PyExc_NameError = NULL;
1746+
Py_XDECREF(PyExc_OverflowError); PyExc_OverflowError = NULL;
1747+
Py_XDECREF(PyExc_RuntimeError); PyExc_RuntimeError = NULL;
1748+
Py_XDECREF(PyExc_SyntaxError); PyExc_SyntaxError = NULL;
1749+
Py_XDECREF(PyExc_SystemError); PyExc_SystemError = NULL;
1750+
Py_XDECREF(PyExc_SystemExit); PyExc_SystemExit = NULL;
1751+
Py_XDECREF(PyExc_TypeError); PyExc_TypeError = NULL;
1752+
Py_XDECREF(PyExc_ValueError); PyExc_ValueError = NULL;
1753+
Py_XDECREF(PyExc_ZeroDivisionError); PyExc_ZeroDivisionError = NULL;
1754+
}
1755+
1756+
PyObject *
1757+
_PyBuiltin_Init()
1758+
{
1759+
PyObject *mod, *dict;
1760+
mod = Py_InitModule("__builtin__", builtin_methods);
1761+
if (mod == NULL)
1762+
return NULL;
1763+
dict = PyModule_GetDict(mod);
1764+
initerrors(dict);
1765+
if (PyDict_SetItemString(dict, "None", Py_None) < 0)
1766+
return NULL;
1767+
if (PyDict_SetItemString(dict, "Ellipsis", Py_Ellipsis) < 0)
1768+
return NULL;
1769+
if (PyDict_SetItemString(dict, "__debug__",
1770+
PyInt_FromLong(Py_OptimizeFlag == 0)) < 0)
1771+
return NULL;
1772+
return mod;
17421773
}
17431774

17441775
void
1745-
PyBuiltin_Init()
1776+
_PyBuiltin_Fini()
17461777
{
1747-
builtin_mod = Py_InitModule("__builtin__", builtin_methods);
1748-
builtin_dict = PyModule_GetDict(builtin_mod);
1749-
Py_INCREF(builtin_dict);
1750-
initerrors();
1751-
(void) PyDict_SetItemString(builtin_dict, "None", Py_None);
1752-
(void) PyDict_SetItemString(builtin_dict, "Ellipsis", Py_Ellipsis);
1753-
(void) PyDict_SetItemString(builtin_dict, "__debug__",
1754-
PyInt_FromLong(Py_OptimizeFlag == 0));
1755-
if (PyErr_Occurred())
1756-
Py_FatalError(
1757-
"error creating None/Ellipsis/__debug__ in __builtin__");
1778+
finierrors();
17581779
}
17591780

17601781

‎Python/ceval.c

Lines changed: 20 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -129,6 +129,18 @@ PyEval_InitThreads()
129129
main_thread = get_thread_ident();
130130
}
131131

132+
void
133+
PyEval_AcquireLock()
134+
{
135+
acquire_lock(interpreter_lock, 1);
136+
}
137+
138+
void
139+
PyEval_ReleaseLock()
140+
{
141+
release_lock(interpreter_lock);
142+
}
143+
132144
void
133145
PyEval_AcquireThread(tstate)
134146
PyThreadState *tstate;
@@ -402,9 +414,6 @@ eval_code2(co, globals, locals,
402414

403415
/* Start of code */
404416

405-
if (tstate == NULL)
406-
Py_FatalError("eval_code2 called without a current thread");
407-
408417
#ifdef USE_STACKCHECK
409418
if (tstate->recursion_depth%10 == 0 && PyOS_CheckStack()) {
410419
PyErr_SetString(PyExc_MemoryError, "Stack overflow");
@@ -590,7 +599,7 @@ eval_code2(co, globals, locals,
590599
Py_MakePendingCalls() above. */
591600

592601
if (things_to_do || --tstate->ticker < 0) {
593-
tstate->ticker = tstate->sys_checkinterval;
602+
tstate->ticker = tstate->interp->checkinterval;
594603
if (things_to_do) {
595604
if (Py_MakePendingCalls() < 0) {
596605
why = WHY_EXCEPTION;
@@ -612,14 +621,15 @@ eval_code2(co, globals, locals,
612621
if (interpreter_lock) {
613622
/* Give another thread a chance */
614623

615-
PyThreadState *tstate =
616-
PyThreadState_Swap(NULL);
624+
if (PyThreadState_Swap(NULL) != tstate)
625+
Py_FatalError("ceval: tstate mix-up");
617626
release_lock(interpreter_lock);
618627

619628
/* Other threads may run now */
620629

621630
acquire_lock(interpreter_lock, 1);
622-
PyThreadState_Swap(tstate);
631+
if (PyThreadState_Swap(tstate) != NULL)
632+
Py_FatalError("ceval: orphan tstate");
623633
}
624634
#endif
625635
}
@@ -2176,9 +2186,10 @@ call_trace(p_trace, p_newtrace, f, msg, arg)
21762186
PyObject *
21772187
PyEval_GetBuiltins()
21782188
{
2179-
PyFrameObject *current_frame = PyThreadState_Get()->frame;
2189+
PyThreadState *tstate = PyThreadState_Get();
2190+
PyFrameObject *current_frame = tstate->frame;
21802191
if (current_frame == NULL)
2181-
return PyBuiltin_GetModule();
2192+
return tstate->interp->builtins;
21822193
else
21832194
return current_frame->f_builtins;
21842195
}

0 commit comments

Comments
 (0)