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bpo-40268: Add pycore_runtime.h header file (GH-19493)

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Move PyRuntimeState from pycore_pystate.h to pycore_runtime.h.

Remove _PyGILState_check_enabled macro: access directly
_PyRuntime.gilstate.check_enabled.
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Victor Stinner 2020-04-13 11:45:21 +02:00 • committed by GitHub
parent 0135598d72
commit 1c4cbdf94d
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7 changed files with 152 additions and 125 deletions
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122
Include/internal/pycore_pystate.h
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@ -11,6 +11,7 @@ extern "C" {
#include "pycore_gil.h" /* struct _gil_runtime_state */
#include "pycore_pymem.h" /* struct _gc_runtime_state */
#include "pycore_warnings.h" /* struct _warnings_runtime_state */
#include "pycore_runtime.h" /* PyRuntimestate */
/* ceval state */
@ -32,15 +33,6 @@ struct _pending_calls {
int last;
};
struct _ceval_runtime_state {
int recursion_limit;
/* Request for dropping the GIL */
_Py_atomic_int gil_drop_request;
/* Request for checking signals. */
_Py_atomic_int signals_pending;
struct _gil_runtime_state gil;
};
struct _ceval_state {
/* Records whether tracing is on for any thread. Counts the number
of threads for which tstate->c_tracefunc is non-NULL, so if the
@ -176,118 +168,6 @@ struct _xidregitem {
struct _xidregitem *next;
};
/* runtime audit hook state */
typedef struct _Py_AuditHookEntry {
struct _Py_AuditHookEntry *next;
Py_AuditHookFunction hookCFunction;
void *userData;
} _Py_AuditHookEntry;
/* GIL state */
struct _gilstate_runtime_state {
int check_enabled;
/* Assuming the current thread holds the GIL, this is the
PyThreadState for the current thread. */
_Py_atomic_address tstate_current;
/* The single PyInterpreterState used by this process'
GILState implementation
*/
/* TODO: Given interp_main, it may be possible to kill this ref */
PyInterpreterState *autoInterpreterState;
Py_tss_t autoTSSkey;
};
/* Issue #26558: Flag to disable PyGILState_Check().
If set to non-zero, PyGILState_Check() always return 1. */
#define _PyGILState_check_enabled _PyRuntime.gilstate.check_enabled
/* Full Python runtime state */
typedef struct pyruntimestate {
/* Is running Py_PreInitialize()? */
int preinitializing;
/* Is Python preinitialized? Set to 1 by Py_PreInitialize() */
int preinitialized;
/* Is Python core initialized? Set to 1 by _Py_InitializeCore() */
int core_initialized;
/* Is Python fully initialized? Set to 1 by Py_Initialize() */
int initialized;
/* Set by Py_FinalizeEx(). Only reset to NULL if Py_Initialize()
is called again.
Use _PyRuntimeState_GetFinalizing() and _PyRuntimeState_SetFinalizing()
to access it, don't access it directly. */
_Py_atomic_address _finalizing;
struct pyinterpreters {
PyThread_type_lock mutex;
PyInterpreterState *head;
PyInterpreterState *main;
/* _next_interp_id is an auto-numbered sequence of small
integers. It gets initialized in _PyInterpreterState_Init(),
which is called in Py_Initialize(), and used in
PyInterpreterState_New(). A negative interpreter ID
indicates an error occurred. The main interpreter will
always have an ID of 0. Overflow results in a RuntimeError.
If that becomes a problem later then we can adjust, e.g. by
using a Python int. */
int64_t next_id;
} interpreters;
// XXX Remove this field once we have a tp_* slot.
struct _xidregistry {
PyThread_type_lock mutex;
struct _xidregitem *head;
} xidregistry;
unsigned long main_thread;
#define NEXITFUNCS 32
void (*exitfuncs[NEXITFUNCS])(void);
int nexitfuncs;
struct _ceval_runtime_state ceval;
struct _gilstate_runtime_state gilstate;
PyPreConfig preconfig;
Py_OpenCodeHookFunction open_code_hook;
void *open_code_userdata;
_Py_AuditHookEntry *audit_hook_head;
// XXX Consolidate globals found via the check-c-globals script.
} _PyRuntimeState;
#define _PyRuntimeState_INIT \
{.preinitialized = 0, .core_initialized = 0, .initialized = 0}
/* Note: _PyRuntimeState_INIT sets other fields to 0/NULL */
PyAPI_DATA(_PyRuntimeState) _PyRuntime;
PyAPI_FUNC(PyStatus) _PyRuntimeState_Init(_PyRuntimeState *runtime);
PyAPI_FUNC(void) _PyRuntimeState_Fini(_PyRuntimeState *runtime);
PyAPI_FUNC(void) _PyRuntimeState_ReInitThreads(_PyRuntimeState *runtime);
/* Initialize _PyRuntimeState.
Return NULL on success, or return an error message on failure. */
PyAPI_FUNC(PyStatus) _PyRuntime_Initialize(void);
PyAPI_FUNC(void) _PyRuntime_Finalize(void);
static inline PyThreadState*
_PyRuntimeState_GetFinalizing(_PyRuntimeState *runtime) {
return (PyThreadState*)_Py_atomic_load_relaxed(&runtime->_finalizing);
}
static inline void
_PyRuntimeState_SetFinalizing(_PyRuntimeState *runtime, PyThreadState *tstate) {
_Py_atomic_store_relaxed(&runtime->_finalizing, (uintptr_t)tstate);
}
/* Check if the current thread is the main thread.
Use _Py_IsMainInterpreter() to check if it's the main interpreter. */