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#ifndef Py_INTERNAL_INTERP_H
#define Py_INTERNAL_INTERP_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_atomic.h" /* _Py_atomic_address */
#include "pycore_gil.h" /* struct _gil_runtime_state */
#include "pycore_gc.h" /* struct _gc_runtime_state */
#include "pycore_warnings.h" /* struct _warnings_runtime_state */
/* ceval state */
struct _pending_calls {
PyThread_type_lock lock;
/* Request for running pending calls. */
_Py_atomic_int calls_to_do;
/* Request for looking at the `async_exc` field of the current
thread state.
Guarded by the GIL. */
int async_exc;
#define NPENDINGCALLS 32
struct {
int (*func)(void *);
void *arg;
} calls[NPENDINGCALLS];
int first;
int last;
};
struct _ceval_state {
int recursion_limit;
/* Records whether tracing is on for any thread. Counts the number
of threads for which tstate->c_tracefunc is non-NULL, so if the
value is 0, we know we don't have to check this thread's
c_tracefunc. This speeds up the if statement in
_PyEval_EvalFrameDefault() after fast_next_opcode. */
int tracing_possible;
/* This single variable consolidates all requests to break out of
the fast path in the eval loop. */
_Py_atomic_int eval_breaker;
/* Request for dropping the GIL */
_Py_atomic_int gil_drop_request;
struct _pending_calls pending;
};
/* fs_codec.encoding is initialized to NULL.
Later, it is set to a non-NULL string by _PyUnicode_InitEncodings(). */
struct _Py_unicode_fs_codec {
char *encoding; // Filesystem encoding (encoded to UTF-8)
int utf8; // encoding=="utf-8"?
char *errors; // Filesystem errors (encoded to UTF-8)
_Py_error_handler error_handler;
};
struct _Py_unicode_state {
struct _Py_unicode_fs_codec fs_codec;
};
/* interpreter state */
#define _PY_NSMALLPOSINTS 257
#define _PY_NSMALLNEGINTS 5
// The PyInterpreterState typedef is in Include/pystate.h.
struct _is {
struct _is *next;
struct _ts *tstate_head;
/* Reference to the _PyRuntime global variable. This field exists
to not have to pass runtime in addition to tstate to a function.
Get runtime from tstate: tstate->interp->runtime. */
struct pyruntimestate *runtime;
int64_t id;
int64_t id_refcount;
int requires_idref;
PyThread_type_lock id_mutex;
int finalizing;
struct _ceval_state ceval;
struct _gc_runtime_state gc;
PyObject *modules;
PyObject *modules_by_index;
PyObject *sysdict;
PyObject *builtins;
PyObject *importlib;
/* Used in Modules/_threadmodule.c. */
long num_threads;
/* Support for runtime thread stack size tuning.
A value of 0 means using the platform's default stack size
or the size specified by the THREAD_STACK_SIZE macro. */
/* Used in Python/thread.c. */
size_t pythread_stacksize;
PyObject *codec_search_path;
PyObject *codec_search_cache;
PyObject *codec_error_registry;
int codecs_initialized;
struct _Py_unicode_state unicode;
PyConfig config;
#ifdef HAVE_DLOPEN
int dlopenflags;
#endif
PyObject *dict; /* Stores per-interpreter state */
PyObject *builtins_copy;
PyObject *import_func;
/* Initialized to PyEval_EvalFrameDefault(). */
_PyFrameEvalFunction eval_frame;
Py_ssize_t co_extra_user_count;
freefunc co_extra_freefuncs[MAX_CO_EXTRA_USERS];
#ifdef HAVE_FORK
PyObject *before_forkers;
PyObject *after_forkers_parent;
PyObject *after_forkers_child;
#endif
/* AtExit module */
void (*pyexitfunc)(PyObject *);
PyObject *pyexitmodule;
uint64_t tstate_next_unique_id;
struct _warnings_runtime_state warnings;
PyObject *audit_hooks;
struct {
struct {
int level;
int atbol;
} listnode;
} parser;
#if _PY_NSMALLNEGINTS + _PY_NSMALLPOSINTS > 0
/* Small integers are preallocated in this array so that they
can be shared.
The integers that are preallocated are those in the range
-_PY_NSMALLNEGINTS (inclusive) to _PY_NSMALLPOSINTS (not inclusive).
*/
PyLongObject* small_ints[_PY_NSMALLNEGINTS + _PY_NSMALLPOSINTS];
#endif
int int_max_str_digits;
};
/* Used by _PyImport_Cleanup() */
extern void _PyInterpreterState_ClearModules(PyInterpreterState *interp);
extern PyStatus _PyInterpreterState_SetConfig(
PyInterpreterState *interp,
const PyConfig *config);
/* cross-interpreter data registry */
/* For now we use a global registry of shareable classes. An
alternative would be to add a tp_* slot for a class's
crossinterpdatafunc. It would be simpler and more efficient. */
struct _xidregitem;
struct _xidregitem {
PyTypeObject *cls;
crossinterpdatafunc getdata;
struct _xidregitem *next;
};
PyAPI_FUNC(struct _is*) _PyInterpreterState_LookUpID(int64_t);
PyAPI_FUNC(int) _PyInterpreterState_IDInitref(struct _is *);
PyAPI_FUNC(void) _PyInterpreterState_IDIncref(struct _is *);
PyAPI_FUNC(void) _PyInterpreterState_IDDecref(struct _is *);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_INTERP_H */
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