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Revert "bpo-36818: Add PyInterpreterState.runtime field. (gh-13129)" (GH-13795) 

This reverts commit 396e0a8d9d.
This commit is contained in:
Victor Stinner 2019-06-04 03:15:09 +02:00 committed by GitHub
parent 9535aff942
commit 0fd2c300c2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 103 additions and 99 deletions
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6
Include/cpython/pystate.h
View File

@ -110,9 +110,9 @@ struct _ts {
* if the thread holds the last reference to the lock, decref'ing the * if the thread holds the last reference to the lock, decref'ing the
* lock will delete the lock, and that may trigger arbitrary Python code * lock will delete the lock, and that may trigger arbitrary Python code
* if there's a weakref, with a callback, to the lock. But by this time * if there's a weakref, with a callback, to the lock. But by this time
* _PyRuntimeState.gilstate.tstate_current is already NULL, so only the * _PyRuntime.gilstate.tstate_current is already NULL, so only the simplest
* simplest of C code can be allowed to run (in particular it must not be * of C code can be allowed to run (in particular it must not be possible to
* possible to release the GIL). * release the GIL).
* So instead of holding the lock directly, the tstate holds a weakref to * So instead of holding the lock directly, the tstate holds a weakref to
* the lock: that's the value of on_delete_data below. Decref'ing a * the lock: that's the value of on_delete_data below. Decref'ing a
* weakref is harmless. * weakref is harmless.

7
Include/internal/pycore_object.h
View File

@ -19,10 +19,9 @@ PyAPI_FUNC(int) _PyDict_CheckConsistency(PyObject *mp, int check_content);
* NB: While the object is tracked by the collector, it must be safe to call the * NB: While the object is tracked by the collector, it must be safe to call the
* ob_traverse method. * ob_traverse method.
* *
* Internal note: _PyRuntimeState.gc.generation0->_gc_prev doesn't have * Internal note: _PyRuntime.gc.generation0->_gc_prev doesn't have any bit flags
* any bit flags because it's not object header. So we don't use * because it's not object header. So we don't use _PyGCHead_PREV() and
* _PyGCHead_PREV() and _PyGCHead_SET_PREV() for it to avoid unnecessary * _PyGCHead_SET_PREV() for it to avoid unnecessary bitwise operations.
* bitwise operations.
* *
* The PyObject_GC_Track() function is the public version of this macro. * The PyObject_GC_Track() function is the public version of this macro.
*/ */

10
Include/internal/pycore_pylifecycle.h
View File

@ -39,10 +39,13 @@ extern PyStatus _PyFaulthandler_Init(int enable);
extern int _PyTraceMalloc_Init(int enable); extern int _PyTraceMalloc_Init(int enable);
extern PyObject * _PyBuiltin_Init(void); extern PyObject * _PyBuiltin_Init(void);
extern PyStatus _PySys_Create( extern PyStatus _PySys_Create(
_PyRuntimeState *runtime,
PyInterpreterState *interp, PyInterpreterState *interp,
PyObject **sysmod_p); PyObject **sysmod_p);
extern PyStatus _PySys_SetPreliminaryStderr(PyObject *sysdict); extern PyStatus _PySys_SetPreliminaryStderr(PyObject *sysdict);
extern int _PySys_InitMain(PyInterpreterState *interp); extern int _PySys_InitMain(
_PyRuntimeState *runtime,
PyInterpreterState *interp);
extern PyStatus _PyImport_Init(PyInterpreterState *interp); extern PyStatus _PyImport_Init(PyInterpreterState *interp);
extern PyStatus _PyExc_Init(void); extern PyStatus _PyExc_Init(void);
extern PyStatus _PyErr_Init(void); extern PyStatus _PyErr_Init(void);
@ -83,7 +86,10 @@ extern void _PyHash_Fini(void);
extern int _PyTraceMalloc_Fini(void); extern int _PyTraceMalloc_Fini(void);
extern void _PyWarnings_Fini(PyInterpreterState *interp); extern void _PyWarnings_Fini(PyInterpreterState *interp);
extern void _PyGILState_Init(PyThreadState *tstate); extern void _PyGILState_Init(
_PyRuntimeState *runtime,
PyInterpreterState *interp,
PyThreadState *tstate);
extern void _PyGILState_Fini(_PyRuntimeState *runtime); extern void _PyGILState_Fini(_PyRuntimeState *runtime);
PyAPI_FUNC(void) _PyGC_DumpShutdownStats(_PyRuntimeState *runtime); PyAPI_FUNC(void) _PyGC_DumpShutdownStats(_PyRuntimeState *runtime);

12
Include/internal/pycore_pystate.h
View File

@ -19,9 +19,6 @@ extern "C" {
#include "pycore_pymem.h" #include "pycore_pymem.h"
#include "pycore_warnings.h" #include "pycore_warnings.h"
// forward
struct pyruntimestate;
/* ceval state */ /* ceval state */
@ -71,7 +68,6 @@ struct _is {
struct _is *next; struct _is *next;
struct _ts *tstate_head; struct _ts *tstate_head;
struct pyruntimestate *runtime;
int64_t id; int64_t id;
int64_t id_refcount; int64_t id_refcount;
@ -300,8 +296,12 @@ PyAPI_FUNC(void) _PyRuntime_Finalize(void);
/* Other */ /* Other */
PyAPI_FUNC(void) _PyThreadState_Init(PyThreadState *tstate); PyAPI_FUNC(void) _PyThreadState_Init(
PyAPI_FUNC(void) _PyThreadState_DeleteExcept(PyThreadState *tstate); _PyRuntimeState *runtime,
PyThreadState *tstate);
PyAPI_FUNC(void) _PyThreadState_DeleteExcept(
_PyRuntimeState *runtime,
PyThreadState *tstate);
PyAPI_FUNC(PyThreadState *) _PyThreadState_Swap( PyAPI_FUNC(PyThreadState *) _PyThreadState_Swap(
struct _gilstate_runtime_state *gilstate, struct _gilstate_runtime_state *gilstate,

1
Misc/NEWS.d/next/Core and Builtins/2019-05-06-14-46-48.bpo-36818.5UDDLj.rst
View File

@ -1 +0,0 @@
Add PyInterpreterState.runtime (and use it).

2
Modules/_threadmodule.c
View File

@ -996,7 +996,7 @@ t_bootstrap(void *boot_raw)
tstate = boot->tstate; tstate = boot->tstate;
tstate->thread_id = PyThread_get_thread_ident(); tstate->thread_id = PyThread_get_thread_ident();
_PyThreadState_Init(tstate); _PyThreadState_Init(&_PyRuntime, tstate);
PyEval_AcquireThread(tstate); PyEval_AcquireThread(tstate);
tstate->interp->num_threads++; tstate->interp->num_threads++;
res = PyObject_Call(boot->func, boot->args, boot->keyw); res = PyObject_Call(boot->func, boot->args, boot->keyw);

26
Python/ceval.c
View File

@ -238,9 +238,8 @@ _PyEval_FiniThreads(struct _ceval_runtime_state *ceval)
} }
static inline void static inline void
exit_thread_if_finalizing(PyThreadState *tstate) exit_thread_if_finalizing(_PyRuntimeState *runtime, PyThreadState *tstate)
{ {
_PyRuntimeState *runtime = tstate->interp->runtime;
/* _Py_Finalizing is protected by the GIL */ /* _Py_Finalizing is protected by the GIL */
if (runtime->finalizing != NULL && !_Py_CURRENTLY_FINALIZING(runtime, tstate)) { if (runtime->finalizing != NULL && !_Py_CURRENTLY_FINALIZING(runtime, tstate)) {
drop_gil(&runtime->ceval, tstate); drop_gil(&runtime->ceval, tstate);
@ -287,7 +286,7 @@ PyEval_AcquireLock(void)
Py_FatalError("PyEval_AcquireLock: current thread state is NULL"); Py_FatalError("PyEval_AcquireLock: current thread state is NULL");
} }
take_gil(ceval, tstate); take_gil(ceval, tstate);
exit_thread_if_finalizing(tstate); exit_thread_if_finalizing(runtime, tstate);
} }
void void
@ -308,15 +307,14 @@ PyEval_AcquireThread(PyThreadState *tstate)
if (tstate == NULL) { if (tstate == NULL) {
Py_FatalError("PyEval_AcquireThread: NULL new thread state"); Py_FatalError("PyEval_AcquireThread: NULL new thread state");
} }
assert(tstate->interp != NULL);
_PyRuntimeState *runtime = tstate->interp->runtime; _PyRuntimeState *runtime = &_PyRuntime;
struct _ceval_runtime_state *ceval = &runtime->ceval; struct _ceval_runtime_state *ceval = &runtime->ceval;
/* Check someone has called PyEval_InitThreads() to create the lock */ /* Check someone has called PyEval_InitThreads() to create the lock */
assert(gil_created(&ceval->gil)); assert(gil_created(&ceval->gil));
take_gil(ceval, tstate); take_gil(ceval, tstate);
exit_thread_if_finalizing(tstate); exit_thread_if_finalizing(runtime, tstate);
if (_PyThreadState_Swap(&runtime->gilstate, tstate) != NULL) { if (_PyThreadState_Swap(&runtime->gilstate, tstate) != NULL) {
Py_FatalError("PyEval_AcquireThread: non-NULL old thread state"); Py_FatalError("PyEval_AcquireThread: non-NULL old thread state");
} }
@ -328,9 +326,8 @@ PyEval_ReleaseThread(PyThreadState *tstate)
if (tstate == NULL) { if (tstate == NULL) {
Py_FatalError("PyEval_ReleaseThread: NULL thread state"); Py_FatalError("PyEval_ReleaseThread: NULL thread state");
} }
assert(tstate->interp != NULL);
_PyRuntimeState *runtime = tstate->interp->runtime; _PyRuntimeState *runtime = &_PyRuntime;
PyThreadState *new_tstate = _PyThreadState_Swap(&runtime->gilstate, NULL); PyThreadState *new_tstate = _PyThreadState_Swap(&runtime->gilstate, NULL);
if (new_tstate != tstate) { if (new_tstate != tstate) {
Py_FatalError("PyEval_ReleaseThread: wrong thread state"); Py_FatalError("PyEval_ReleaseThread: wrong thread state");
@ -361,7 +358,7 @@ _PyEval_ReInitThreads(_PyRuntimeState *runtime)
} }
/* Destroy all threads except the current one */ /* Destroy all threads except the current one */
_PyThreadState_DeleteExcept(current_tstate); _PyThreadState_DeleteExcept(runtime, current_tstate);
} }
/* This function is used to signal that async exceptions are waiting to be /* This function is used to signal that async exceptions are waiting to be
@ -390,18 +387,17 @@ PyEval_SaveThread(void)
void void
PyEval_RestoreThread(PyThreadState *tstate) PyEval_RestoreThread(PyThreadState *tstate)
{ {
_PyRuntimeState *runtime = &_PyRuntime;
struct _ceval_runtime_state *ceval = &runtime->ceval;
if (tstate == NULL) { if (tstate == NULL) {
Py_FatalError("PyEval_RestoreThread: NULL tstate"); Py_FatalError("PyEval_RestoreThread: NULL tstate");
} }
assert(tstate->interp != NULL);
_PyRuntimeState *runtime = tstate->interp->runtime;
struct _ceval_runtime_state *ceval = &runtime->ceval;
assert(gil_created(&ceval->gil)); assert(gil_created(&ceval->gil));
int err = errno; int err = errno;
take_gil(ceval, tstate); take_gil(ceval, tstate);
exit_thread_if_finalizing(tstate); exit_thread_if_finalizing(runtime, tstate);
errno = err; errno = err;
_PyThreadState_Swap(&runtime->gilstate, tstate); _PyThreadState_Swap(&runtime->gilstate, tstate);
@ -1250,7 +1246,7 @@ main_loop:
take_gil(ceval, tstate); take_gil(ceval, tstate);
/* Check if we should make a quick exit. */ /* Check if we should make a quick exit. */
exit_thread_if_finalizing(tstate); exit_thread_if_finalizing(runtime, tstate);
if (_PyThreadState_Swap(&runtime->gilstate, tstate) != NULL) { if (_PyThreadState_Swap(&runtime->gilstate, tstate) != NULL) {
Py_FatalError("ceval: orphan tstate"); Py_FatalError("ceval: orphan tstate");

3
Python/import.c
View File

@ -541,8 +541,7 @@ PyImport_Cleanup(void)
_PyGC_CollectNoFail(); _PyGC_CollectNoFail();
/* Dump GC stats before it's too late, since it uses the warnings /* Dump GC stats before it's too late, since it uses the warnings
machinery. */ machinery. */
_PyRuntimeState *runtime = interp->runtime; _PyGC_DumpShutdownStats(&_PyRuntime);
_PyGC_DumpShutdownStats(runtime);
/* Now, if there are any modules left alive, clear their globals to /* Now, if there are any modules left alive, clear their globals to
minimize potential leaks. All C extension modules actually end minimize potential leaks. All C extension modules actually end

15
Python/pylifecycle.c
View File

@ -545,7 +545,7 @@ pycore_create_interpreter(_PyRuntimeState *runtime,
_PyEval_FiniThreads(&runtime->ceval); _PyEval_FiniThreads(&runtime->ceval);
/* Auto-thread-state API */ /* Auto-thread-state API */
_PyGILState_Init(tstate); _PyGILState_Init(runtime, interp, tstate);
/* Create the GIL */ /* Create the GIL */
PyEval_InitThreads(); PyEval_InitThreads();
@ -683,7 +683,7 @@ pyinit_config(_PyRuntimeState *runtime,
} }
PyObject *sysmod; PyObject *sysmod;
status = _PySys_Create(interp, &sysmod); status = _PySys_Create(runtime, interp, &sysmod);
if (_PyStatus_EXCEPTION(status)) { if (_PyStatus_EXCEPTION(status)) {
return status; return status;
} }
@ -892,9 +892,8 @@ _Py_ReconfigureMainInterpreter(PyInterpreterState *interp)
* non-zero return code. * non-zero return code.
*/ */
static PyStatus static PyStatus
pyinit_main(PyInterpreterState *interp) pyinit_main(_PyRuntimeState *runtime, PyInterpreterState *interp)
{ {
_PyRuntimeState *runtime = interp->runtime;
if (!runtime->core_initialized) { if (!runtime->core_initialized) {
return _PyStatus_ERR("runtime core not initialized"); return _PyStatus_ERR("runtime core not initialized");
} }
@ -920,7 +919,7 @@ pyinit_main(PyInterpreterState *interp)
return _PyStatus_ERR("can't initialize time"); return _PyStatus_ERR("can't initialize time");
} }
if (_PySys_InitMain(interp) < 0) { if (_PySys_InitMain(runtime, interp) < 0) {
return _PyStatus_ERR("can't finish initializing sys"); return _PyStatus_ERR("can't finish initializing sys");
} }
@ -1000,7 +999,7 @@ _Py_InitializeMain(void)
_PyRuntimeState *runtime = &_PyRuntime; _PyRuntimeState *runtime = &_PyRuntime;
PyInterpreterState *interp = _PyRuntimeState_GetThreadState(runtime)->interp; PyInterpreterState *interp = _PyRuntimeState_GetThreadState(runtime)->interp;
return pyinit_main(interp); return pyinit_main(runtime, interp);
} }
@ -1027,7 +1026,7 @@ Py_InitializeFromConfig(const PyConfig *config)
config = &interp->config; config = &interp->config;
if (config->_init_main) { if (config->_init_main) {
status = pyinit_main(interp); status = pyinit_main(runtime, interp);
if (_PyStatus_EXCEPTION(status)) { if (_PyStatus_EXCEPTION(status)) {
return status; return status;
} }
@ -1457,7 +1456,7 @@ new_interpreter(PyThreadState **tstate_p)
} }
Py_INCREF(interp->sysdict); Py_INCREF(interp->sysdict);
PyDict_SetItemString(interp->sysdict, "modules", modules); PyDict_SetItemString(interp->sysdict, "modules", modules);
if (_PySys_InitMain(interp) < 0) { if (_PySys_InitMain(runtime, interp) < 0) {
return _PyStatus_ERR("can't finish initializing sys"); return _PyStatus_ERR("can't finish initializing sys");
} }
} }

89
Python/pystate.c
View File

@ -39,6 +39,7 @@ extern "C" {
/* Forward declarations */ /* Forward declarations */
static PyThreadState *_PyGILState_GetThisThreadState(struct _gilstate_runtime_state *gilstate); static PyThreadState *_PyGILState_GetThisThreadState(struct _gilstate_runtime_state *gilstate);
static void _PyThreadState_Delete(_PyRuntimeState *runtime, PyThreadState *tstate);
static PyStatus static PyStatus
@ -191,8 +192,6 @@ _PyInterpreterState_Enable(_PyRuntimeState *runtime)
PyInterpreterState * PyInterpreterState *
PyInterpreterState_New(void) PyInterpreterState_New(void)
{ {
_PyRuntimeState *runtime = &_PyRuntime;
if (PySys_Audit("cpython.PyInterpreterState_New", NULL) < 0) { if (PySys_Audit("cpython.PyInterpreterState_New", NULL) < 0) {
return NULL; return NULL;
} }
@ -203,9 +202,6 @@ PyInterpreterState_New(void)
} }
memset(interp, 0, sizeof(*interp)); memset(interp, 0, sizeof(*interp));
interp->runtime = runtime;
interp->id_refcount = -1; interp->id_refcount = -1;
interp->check_interval = 100; interp->check_interval = 100;
@ -227,6 +223,7 @@ PyInterpreterState_New(void)
#endif #endif
#endif #endif
_PyRuntimeState *runtime = &_PyRuntime;
struct pyinterpreters *interpreters = &runtime->interpreters; struct pyinterpreters *interpreters = &runtime->interpreters;
HEAD_LOCK(runtime); HEAD_LOCK(runtime);
@ -260,11 +257,9 @@ PyInterpreterState_New(void)
} }
void static void
PyInterpreterState_Clear(PyInterpreterState *interp) _PyInterpreterState_Clear(_PyRuntimeState *runtime, PyInterpreterState *interp)
{ {
_PyRuntimeState *runtime = interp->runtime;
if (PySys_Audit("cpython.PyInterpreterState_Clear", NULL) < 0) { if (PySys_Audit("cpython.PyInterpreterState_Clear", NULL) < 0) {
PyErr_Clear(); PyErr_Clear();
} }
@ -302,25 +297,31 @@ PyInterpreterState_Clear(PyInterpreterState *interp)
// objects have been cleaned up at the point. // objects have been cleaned up at the point.
} }
void
PyInterpreterState_Clear(PyInterpreterState *interp)
{
_PyInterpreterState_Clear(&_PyRuntime, interp);
}
static void static void
zapthreads(PyInterpreterState *interp) zapthreads(_PyRuntimeState *runtime, PyInterpreterState *interp)
{ {
PyThreadState *ts; PyThreadState *p;
/* No need to lock the mutex here because this should only happen /* No need to lock the mutex here because this should only happen
when the threads are all really dead (XXX famous last words). */ when the threads are all really dead (XXX famous last words). */
while ((ts = interp->tstate_head) != NULL) { while ((p = interp->tstate_head) != NULL) {
PyThreadState_Delete(ts); _PyThreadState_Delete(runtime, p);
} }
} }
void static void
PyInterpreterState_Delete(PyInterpreterState *interp) _PyInterpreterState_Delete(_PyRuntimeState *runtime,
PyInterpreterState *interp)
{ {
_PyRuntimeState *runtime = interp->runtime;
struct pyinterpreters *interpreters = &runtime->interpreters; struct pyinterpreters *interpreters = &runtime->interpreters;
zapthreads(interp); zapthreads(runtime, interp);
HEAD_LOCK(runtime); HEAD_LOCK(runtime);
PyInterpreterState **p; PyInterpreterState **p;
for (p = &interpreters->head; ; p = &(*p)->next) { for (p = &interpreters->head; ; p = &(*p)->next) {
@ -349,6 +350,13 @@ PyInterpreterState_Delete(PyInterpreterState *interp)
} }
void
PyInterpreterState_Delete(PyInterpreterState *interp)
{
_PyInterpreterState_Delete(&_PyRuntime, interp);
}
/* /*
* Delete all interpreter states except the main interpreter. If there * Delete all interpreter states except the main interpreter. If there
* is a current interpreter state, it *must* be the main interpreter. * is a current interpreter state, it *must* be the main interpreter.
@ -375,8 +383,8 @@ _PyInterpreterState_DeleteExceptMain(_PyRuntimeState *runtime)
continue; continue;
} }
PyInterpreterState_Clear(interp); // XXX must activate? _PyInterpreterState_Clear(runtime, interp); // XXX must activate?
zapthreads(interp); zapthreads(runtime, interp);
if (interp->id_mutex != NULL) { if (interp->id_mutex != NULL) {
PyThread_free_lock(interp->id_mutex); PyThread_free_lock(interp->id_mutex);
} }
@ -489,8 +497,7 @@ _PyInterpreterState_IDDecref(PyInterpreterState *interp)
if (interp->id_mutex == NULL) { if (interp->id_mutex == NULL) {
return; return;
} }
_PyRuntimeState *runtime = interp->runtime; struct _gilstate_runtime_state *gilstate = &_PyRuntime.gilstate;
struct _gilstate_runtime_state *gilstate = &runtime->gilstate;
PyThread_acquire_lock(interp->id_mutex, WAIT_LOCK); PyThread_acquire_lock(interp->id_mutex, WAIT_LOCK);
assert(interp->id_refcount != 0); assert(interp->id_refcount != 0);
interp->id_refcount -= 1; interp->id_refcount -= 1;
@ -552,7 +559,7 @@ threadstate_getframe(PyThreadState *self)
static PyThreadState * static PyThreadState *
new_threadstate(PyInterpreterState *interp, int init) new_threadstate(PyInterpreterState *interp, int init)
{ {
_PyRuntimeState *runtime = interp->runtime; _PyRuntimeState *runtime = &_PyRuntime;
PyThreadState *tstate = (PyThreadState *)PyMem_RawMalloc(sizeof(PyThreadState)); PyThreadState *tstate = (PyThreadState *)PyMem_RawMalloc(sizeof(PyThreadState));
if (tstate == NULL) { if (tstate == NULL) {
return NULL; return NULL;
@ -608,7 +615,7 @@ new_threadstate(PyInterpreterState *interp, int init)
tstate->id = ++interp->tstate_next_unique_id; tstate->id = ++interp->tstate_next_unique_id;
if (init) { if (init) {
_PyThreadState_Init(tstate); _PyThreadState_Init(runtime, tstate);
} }
HEAD_LOCK(runtime); HEAD_LOCK(runtime);
@ -635,9 +642,8 @@ _PyThreadState_Prealloc(PyInterpreterState *interp)
} }
void void
_PyThreadState_Init(PyThreadState *tstate) _PyThreadState_Init(_PyRuntimeState *runtime, PyThreadState *tstate)
{ {
_PyRuntimeState *runtime = tstate->interp->runtime;
_PyGILState_NoteThreadState(&runtime->gilstate, tstate); _PyGILState_NoteThreadState(&runtime->gilstate, tstate);
} }
@ -802,7 +808,7 @@ PyThreadState_Clear(PyThreadState *tstate)
/* Common code for PyThreadState_Delete() and PyThreadState_DeleteCurrent() */ /* Common code for PyThreadState_Delete() and PyThreadState_DeleteCurrent() */
static void static void
tstate_delete_common(PyThreadState *tstate) tstate_delete_common(_PyRuntimeState *runtime, PyThreadState *tstate)
{ {
if (tstate == NULL) { if (tstate == NULL) {
Py_FatalError("PyThreadState_Delete: NULL tstate"); Py_FatalError("PyThreadState_Delete: NULL tstate");
@ -811,7 +817,6 @@ tstate_delete_common(PyThreadState *tstate)
if (interp == NULL) { if (interp == NULL) {
Py_FatalError("PyThreadState_Delete: NULL interp"); Py_FatalError("PyThreadState_Delete: NULL interp");
} }
_PyRuntimeState *runtime = interp->runtime;
HEAD_LOCK(runtime); HEAD_LOCK(runtime);
if (tstate->prev) if (tstate->prev)
tstate->prev->next = tstate->next; tstate->prev->next = tstate->next;
@ -827,10 +832,9 @@ tstate_delete_common(PyThreadState *tstate)
} }
void static void
PyThreadState_Delete(PyThreadState *tstate) _PyThreadState_Delete(_PyRuntimeState *runtime, PyThreadState *tstate)
{ {
_PyRuntimeState *runtime = tstate->interp->runtime;
struct _gilstate_runtime_state *gilstate = &runtime->gilstate; struct _gilstate_runtime_state *gilstate = &runtime->gilstate;
if (tstate == _PyRuntimeGILState_GetThreadState(gilstate)) { if (tstate == _PyRuntimeGILState_GetThreadState(gilstate)) {
Py_FatalError("PyThreadState_Delete: tstate is still current"); Py_FatalError("PyThreadState_Delete: tstate is still current");
@ -840,7 +844,14 @@ PyThreadState_Delete(PyThreadState *tstate)
{ {
PyThread_tss_set(&gilstate->autoTSSkey, NULL); PyThread_tss_set(&gilstate->autoTSSkey, NULL);
} }
tstate_delete_common(tstate); tstate_delete_common(runtime, tstate);
}
void
PyThreadState_Delete(PyThreadState *tstate)
{
_PyThreadState_Delete(&_PyRuntime, tstate);
} }
@ -852,7 +863,7 @@ _PyThreadState_DeleteCurrent(_PyRuntimeState *runtime)
if (tstate == NULL) if (tstate == NULL)
Py_FatalError( Py_FatalError(
"PyThreadState_DeleteCurrent: no current tstate"); "PyThreadState_DeleteCurrent: no current tstate");
tstate_delete_common(tstate); tstate_delete_common(runtime, tstate);
if (gilstate->autoInterpreterState && if (gilstate->autoInterpreterState &&
PyThread_tss_get(&gilstate->autoTSSkey) == tstate) PyThread_tss_get(&gilstate->autoTSSkey) == tstate)
{ {
@ -877,10 +888,9 @@ PyThreadState_DeleteCurrent()
* be kept in those other interpreteres. * be kept in those other interpreteres.
*/ */
void void
_PyThreadState_DeleteExcept(PyThreadState *tstate) _PyThreadState_DeleteExcept(_PyRuntimeState *runtime, PyThreadState *tstate)
{ {
PyInterpreterState *interp = tstate->interp; PyInterpreterState *interp = tstate->interp;
_PyRuntimeState *runtime = interp->runtime;
PyThreadState *p, *next, *garbage; PyThreadState *p, *next, *garbage;
HEAD_LOCK(runtime); HEAD_LOCK(runtime);
/* Remove all thread states, except tstate, from the linked list of /* Remove all thread states, except tstate, from the linked list of
@ -1119,9 +1129,8 @@ _PyThread_CurrentFrames(void)
static int static int
PyThreadState_IsCurrent(PyThreadState *tstate) PyThreadState_IsCurrent(PyThreadState *tstate)
{ {
_PyRuntimeState *runtime = tstate->interp->runtime;
/* Must be the tstate for this thread */ /* Must be the tstate for this thread */
struct _gilstate_runtime_state *gilstate = &runtime->gilstate; struct _gilstate_runtime_state *gilstate = &_PyRuntime.gilstate;
assert(_PyGILState_GetThisThreadState(gilstate) == tstate); assert(_PyGILState_GetThisThreadState(gilstate) == tstate);
return tstate == _PyRuntimeGILState_GetThreadState(gilstate); return tstate == _PyRuntimeGILState_GetThreadState(gilstate);
} }
@ -1130,14 +1139,12 @@ PyThreadState_IsCurrent(PyThreadState *tstate)
Py_Initialize/Py_FinalizeEx Py_Initialize/Py_FinalizeEx
*/ */
void void
_PyGILState_Init(PyThreadState *tstate) _PyGILState_Init(_PyRuntimeState *runtime,
PyInterpreterState *interp, PyThreadState *tstate)
{ {
/* must init with valid states */ /* must init with valid states */
assert(tstate != NULL);
PyInterpreterState *interp = tstate->interp;
assert(interp != NULL); assert(interp != NULL);
_PyRuntimeState *runtime = interp->runtime; assert(tstate != NULL);
assert(runtime != NULL);
struct _gilstate_runtime_state *gilstate = &runtime->gilstate; struct _gilstate_runtime_state *gilstate = &runtime->gilstate;

31
Python/sysmodule.c
View File

@ -120,9 +120,8 @@ should_audit(void)
if (!ts) { if (!ts) {
return 0; return 0;
} }
PyInterpreterState *is = ts->interp; PyInterpreterState *is = ts ? ts->interp : NULL;
_PyRuntimeState *runtime = is->runtime; return _PyRuntime.audit_hook_head
return runtime->audit_hook_head
|| (is && is->audit_hooks) || (is && is->audit_hooks)
|| PyDTrace_AUDIT_ENABLED(); || PyDTrace_AUDIT_ENABLED();
} }
@ -281,8 +280,8 @@ void _PySys_ClearAuditHooks(void) {
PySys_Audit("cpython._PySys_ClearAuditHooks", NULL); PySys_Audit("cpython._PySys_ClearAuditHooks", NULL);
PyErr_Clear(); PyErr_Clear();
_Py_AuditHookEntry *e = runtime->audit_hook_head, *n; _Py_AuditHookEntry *e = _PyRuntime.audit_hook_head, *n;
runtime->audit_hook_head = NULL; _PyRuntime.audit_hook_head = NULL;
while (e) { while (e) {
n = e->next; n = e->next;
PyMem_RawFree(e); PyMem_RawFree(e);
@ -293,7 +292,6 @@ void _PySys_ClearAuditHooks(void) {
int int
PySys_AddAuditHook(Py_AuditHookFunction hook, void *userData) PySys_AddAuditHook(Py_AuditHookFunction hook, void *userData)
{ {
_PyRuntimeState *runtime = &_PyRuntime;
/* Invoke existing audit hooks to allow them an opportunity to abort. */ /* Invoke existing audit hooks to allow them an opportunity to abort. */
/* Cannot invoke hooks until we are initialized */ /* Cannot invoke hooks until we are initialized */
if (Py_IsInitialized()) { if (Py_IsInitialized()) {
@ -307,10 +305,10 @@ PySys_AddAuditHook(Py_AuditHookFunction hook, void *userData)
} }
} }
_Py_AuditHookEntry *e = runtime->audit_hook_head; _Py_AuditHookEntry *e = _PyRuntime.audit_hook_head;
if (!e) { if (!e) {
e = (_Py_AuditHookEntry*)PyMem_RawMalloc(sizeof(_Py_AuditHookEntry)); e = (_Py_AuditHookEntry*)PyMem_RawMalloc(sizeof(_Py_AuditHookEntry));
runtime->audit_hook_head = e; _PyRuntime.audit_hook_head = e;
} else { } else {
while (e->next) while (e->next)
e = e->next; e = e->next;
@ -2415,9 +2413,8 @@ static PyStructSequence_Desc flags_desc = {
}; };
static PyObject* static PyObject*
make_flags(PyInterpreterState *interp) make_flags(_PyRuntimeState *runtime, PyInterpreterState *interp)
{ {
_PyRuntimeState *runtime = interp->runtime;
int pos = 0; int pos = 0;
PyObject *seq; PyObject *seq;
const PyPreConfig *preconfig = &runtime->preconfig; const PyPreConfig *preconfig = &runtime->preconfig;
@ -2636,7 +2633,8 @@ static struct PyModuleDef sysmodule = {
} while (0) } while (0)
static PyStatus static PyStatus
_PySys_InitCore(PyInterpreterState *interp, PyObject *sysdict) _PySys_InitCore(_PyRuntimeState *runtime, PyInterpreterState *interp,
PyObject *sysdict)
{ {
PyObject *version_info; PyObject *version_info;
int res; int res;
@ -2730,7 +2728,7 @@ _PySys_InitCore(PyInterpreterState *interp, PyObject *sysdict)
} }
} }
/* Set flags to their default values (updated by _PySys_InitMain()) */ /* Set flags to their default values (updated by _PySys_InitMain()) */
SET_SYS_FROM_STRING("flags", make_flags(interp)); SET_SYS_FROM_STRING("flags", make_flags(runtime, interp));
#if defined(MS_WINDOWS) #if defined(MS_WINDOWS)
/* getwindowsversion */ /* getwindowsversion */
@ -2851,7 +2849,7 @@ sys_create_xoptions_dict(const PyConfig *config)
int int
_PySys_InitMain(PyInterpreterState *interp) _PySys_InitMain(_PyRuntimeState *runtime, PyInterpreterState *interp)
{ {
PyObject *sysdict = interp->sysdict; PyObject *sysdict = interp->sysdict;
const PyConfig *config = &interp->config; const PyConfig *config = &interp->config;
@ -2905,7 +2903,7 @@ _PySys_InitMain(PyInterpreterState *interp)
#undef SET_SYS_FROM_WSTR #undef SET_SYS_FROM_WSTR
/* Set flags to their final values */ /* Set flags to their final values */
SET_SYS_FROM_STRING_INT_RESULT("flags", make_flags(interp)); SET_SYS_FROM_STRING_INT_RESULT("flags", make_flags(runtime, interp));
/* prevent user from creating new instances */ /* prevent user from creating new instances */
FlagsType.tp_init = NULL; FlagsType.tp_init = NULL;
FlagsType.tp_new = NULL; FlagsType.tp_new = NULL;
@ -2972,7 +2970,8 @@ error:
/* Create sys module without all attributes: _PySys_InitMain() should be called /* Create sys module without all attributes: _PySys_InitMain() should be called
later to add remaining attributes. */ later to add remaining attributes. */
PyStatus PyStatus
_PySys_Create(PyInterpreterState *interp, PyObject **sysmod_p) _PySys_Create(_PyRuntimeState *runtime, PyInterpreterState *interp,
PyObject **sysmod_p)
{ {
PyObject *modules = PyDict_New(); PyObject *modules = PyDict_New();
if (modules == NULL) { if (modules == NULL) {
@ -3001,7 +3000,7 @@ _PySys_Create(PyInterpreterState *interp, PyObject **sysmod_p)
return status; return status;
} }
status = _PySys_InitCore(interp, sysdict); status = _PySys_InitCore(runtime, interp, sysdict);
if (_PyStatus_EXCEPTION(status)) { if (_PyStatus_EXCEPTION(status)) {
return status; return status;
} }