diff --git a/Include/internal/pycore_global_objects.h b/Include/internal/pycore_global_objects.h new file mode 100644 index 00000000000000..6cae3bca6be45a --- /dev/null +++ b/Include/internal/pycore_global_objects.h @@ -0,0 +1,337 @@ +#ifndef Py_INTERNAL_GLOBAL_OBJECTS_H +#define Py_INTERNAL_GLOBAL_OBJECTS_H +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef Py_BUILD_CORE +# error "this header requires Py_BUILD_CORE define" +#endif + + +#define _PyObject_IMMORTAL_INIT(type) \ + { \ + .ob_refcnt = 999999999, \ + .ob_type = type, \ + } +#define _PyVarObject_IMMORTAL_INIT(type, size) \ + { \ + .ob_base = _PyObject_IMMORTAL_INIT(type), \ + .ob_size = size, \ + } + + +/* int objects */ + +#define _PY_NSMALLPOSINTS 257 +#define _PY_NSMALLNEGINTS 5 + +#define _PyLong_DIGIT_INIT(val) \ + { \ + _PyVarObject_IMMORTAL_INIT(&PyLong_Type, \ + ((val) == 0 ? 0 : ((val) > 0 ? 1 : -1))), \ + .ob_digit = { ((val) >= 0 ? (val) : -(val)) }, \ + } + + +/********************** + * the global objects * + **********************/ + +// Only immutable objects should be considered runtime-global. +// All others must be per-interpreter. + +#define _Py_GLOBAL_OBJECT(NAME) \ + _PyRuntime.global_objects.NAME +#define _Py_SINGLETON(NAME) \ + _Py_GLOBAL_OBJECT(singletons.NAME) + +struct _Py_global_objects { + struct { + /* 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 (exclusive). + */ + PyLongObject small_ints[_PY_NSMALLNEGINTS + _PY_NSMALLPOSINTS]; + } singletons; +}; + +#define _Py_global_objects_INIT { \ + .singletons = { \ + .small_ints = { \ + _PyLong_DIGIT_INIT(-5), \ + _PyLong_DIGIT_INIT(-4), \ + _PyLong_DIGIT_INIT(-3), \ + _PyLong_DIGIT_INIT(-2), \ + _PyLong_DIGIT_INIT(-1), \ + _PyLong_DIGIT_INIT(0), \ + _PyLong_DIGIT_INIT(1), \ + _PyLong_DIGIT_INIT(2), \ + _PyLong_DIGIT_INIT(3), \ + _PyLong_DIGIT_INIT(4), \ + _PyLong_DIGIT_INIT(5), \ + _PyLong_DIGIT_INIT(6), \ + _PyLong_DIGIT_INIT(7), \ + _PyLong_DIGIT_INIT(8), \ + _PyLong_DIGIT_INIT(9), \ + _PyLong_DIGIT_INIT(10), \ + _PyLong_DIGIT_INIT(11), \ + _PyLong_DIGIT_INIT(12), \ + _PyLong_DIGIT_INIT(13), \ + _PyLong_DIGIT_INIT(14), \ + _PyLong_DIGIT_INIT(15), \ + _PyLong_DIGIT_INIT(16), \ + _PyLong_DIGIT_INIT(17), \ + _PyLong_DIGIT_INIT(18), \ + _PyLong_DIGIT_INIT(19), \ + _PyLong_DIGIT_INIT(20), \ + _PyLong_DIGIT_INIT(21), \ + _PyLong_DIGIT_INIT(22), \ + _PyLong_DIGIT_INIT(23), \ + _PyLong_DIGIT_INIT(24), \ + _PyLong_DIGIT_INIT(25), \ + _PyLong_DIGIT_INIT(26), \ + _PyLong_DIGIT_INIT(27), \ + _PyLong_DIGIT_INIT(28), \ + _PyLong_DIGIT_INIT(29), \ + _PyLong_DIGIT_INIT(30), \ + _PyLong_DIGIT_INIT(31), \ + _PyLong_DIGIT_INIT(32), \ + _PyLong_DIGIT_INIT(33), \ + _PyLong_DIGIT_INIT(34), \ + _PyLong_DIGIT_INIT(35), \ + _PyLong_DIGIT_INIT(36), \ + _PyLong_DIGIT_INIT(37), \ + _PyLong_DIGIT_INIT(38), \ + _PyLong_DIGIT_INIT(39), \ + _PyLong_DIGIT_INIT(40), \ + _PyLong_DIGIT_INIT(41), \ + _PyLong_DIGIT_INIT(42), \ + _PyLong_DIGIT_INIT(43), \ + _PyLong_DIGIT_INIT(44), \ + _PyLong_DIGIT_INIT(45), \ + _PyLong_DIGIT_INIT(46), \ + _PyLong_DIGIT_INIT(47), \ + _PyLong_DIGIT_INIT(48), \ + _PyLong_DIGIT_INIT(49), \ + _PyLong_DIGIT_INIT(50), \ + _PyLong_DIGIT_INIT(51), \ + _PyLong_DIGIT_INIT(52), \ + _PyLong_DIGIT_INIT(53), \ + _PyLong_DIGIT_INIT(54), \ + _PyLong_DIGIT_INIT(55), \ + _PyLong_DIGIT_INIT(56), \ + _PyLong_DIGIT_INIT(57), \ + _PyLong_DIGIT_INIT(58), \ + _PyLong_DIGIT_INIT(59), \ + _PyLong_DIGIT_INIT(60), \ + _PyLong_DIGIT_INIT(61), \ + _PyLong_DIGIT_INIT(62), \ + _PyLong_DIGIT_INIT(63), \ + _PyLong_DIGIT_INIT(64), \ + _PyLong_DIGIT_INIT(65), \ + _PyLong_DIGIT_INIT(66), \ + _PyLong_DIGIT_INIT(67), \ + _PyLong_DIGIT_INIT(68), \ + _PyLong_DIGIT_INIT(69), \ + _PyLong_DIGIT_INIT(70), \ + _PyLong_DIGIT_INIT(71), \ + _PyLong_DIGIT_INIT(72), \ + _PyLong_DIGIT_INIT(73), \ + _PyLong_DIGIT_INIT(74), \ + _PyLong_DIGIT_INIT(75), \ + _PyLong_DIGIT_INIT(76), \ + _PyLong_DIGIT_INIT(77), \ + _PyLong_DIGIT_INIT(78), \ + _PyLong_DIGIT_INIT(79), \ + _PyLong_DIGIT_INIT(80), \ + _PyLong_DIGIT_INIT(81), \ + _PyLong_DIGIT_INIT(82), \ + _PyLong_DIGIT_INIT(83), \ + _PyLong_DIGIT_INIT(84), \ + _PyLong_DIGIT_INIT(85), \ + _PyLong_DIGIT_INIT(86), \ + _PyLong_DIGIT_INIT(87), \ + _PyLong_DIGIT_INIT(88), \ + _PyLong_DIGIT_INIT(89), \ + _PyLong_DIGIT_INIT(90), \ + _PyLong_DIGIT_INIT(91), \ + _PyLong_DIGIT_INIT(92), \ + _PyLong_DIGIT_INIT(93), \ + _PyLong_DIGIT_INIT(94), \ + _PyLong_DIGIT_INIT(95), \ + _PyLong_DIGIT_INIT(96), \ + _PyLong_DIGIT_INIT(97), \ + _PyLong_DIGIT_INIT(98), \ + _PyLong_DIGIT_INIT(99), \ + _PyLong_DIGIT_INIT(100), \ + _PyLong_DIGIT_INIT(101), \ + _PyLong_DIGIT_INIT(102), \ + _PyLong_DIGIT_INIT(103), \ + _PyLong_DIGIT_INIT(104), \ + _PyLong_DIGIT_INIT(105), \ + _PyLong_DIGIT_INIT(106), \ + _PyLong_DIGIT_INIT(107), \ + _PyLong_DIGIT_INIT(108), \ + _PyLong_DIGIT_INIT(109), \ + _PyLong_DIGIT_INIT(110), \ + _PyLong_DIGIT_INIT(111), \ + _PyLong_DIGIT_INIT(112), \ + _PyLong_DIGIT_INIT(113), \ + _PyLong_DIGIT_INIT(114), \ + _PyLong_DIGIT_INIT(115), \ + _PyLong_DIGIT_INIT(116), \ + _PyLong_DIGIT_INIT(117), \ + _PyLong_DIGIT_INIT(118), \ + _PyLong_DIGIT_INIT(119), \ + _PyLong_DIGIT_INIT(120), \ + _PyLong_DIGIT_INIT(121), \ + _PyLong_DIGIT_INIT(122), \ + _PyLong_DIGIT_INIT(123), \ + _PyLong_DIGIT_INIT(124), \ + _PyLong_DIGIT_INIT(125), \ + _PyLong_DIGIT_INIT(126), \ + _PyLong_DIGIT_INIT(127), \ + _PyLong_DIGIT_INIT(128), \ + _PyLong_DIGIT_INIT(129), \ + _PyLong_DIGIT_INIT(130), \ + _PyLong_DIGIT_INIT(131), \ + _PyLong_DIGIT_INIT(132), \ + _PyLong_DIGIT_INIT(133), \ + _PyLong_DIGIT_INIT(134), \ + _PyLong_DIGIT_INIT(135), \ + _PyLong_DIGIT_INIT(136), \ + _PyLong_DIGIT_INIT(137), \ + _PyLong_DIGIT_INIT(138), \ + _PyLong_DIGIT_INIT(139), \ + _PyLong_DIGIT_INIT(140), \ + _PyLong_DIGIT_INIT(141), \ + _PyLong_DIGIT_INIT(142), \ + _PyLong_DIGIT_INIT(143), \ + _PyLong_DIGIT_INIT(144), \ + _PyLong_DIGIT_INIT(145), \ + _PyLong_DIGIT_INIT(146), \ + _PyLong_DIGIT_INIT(147), \ + _PyLong_DIGIT_INIT(148), \ + _PyLong_DIGIT_INIT(149), \ + _PyLong_DIGIT_INIT(150), \ + _PyLong_DIGIT_INIT(151), \ + _PyLong_DIGIT_INIT(152), \ + _PyLong_DIGIT_INIT(153), \ + _PyLong_DIGIT_INIT(154), \ + _PyLong_DIGIT_INIT(155), \ + _PyLong_DIGIT_INIT(156), \ + _PyLong_DIGIT_INIT(157), \ + _PyLong_DIGIT_INIT(158), \ + _PyLong_DIGIT_INIT(159), \ + _PyLong_DIGIT_INIT(160), \ + _PyLong_DIGIT_INIT(161), \ + _PyLong_DIGIT_INIT(162), \ + _PyLong_DIGIT_INIT(163), \ + _PyLong_DIGIT_INIT(164), \ + _PyLong_DIGIT_INIT(165), \ + _PyLong_DIGIT_INIT(166), \ + _PyLong_DIGIT_INIT(167), \ + _PyLong_DIGIT_INIT(168), \ + _PyLong_DIGIT_INIT(169), \ + _PyLong_DIGIT_INIT(170), \ + _PyLong_DIGIT_INIT(171), \ + _PyLong_DIGIT_INIT(172), \ + _PyLong_DIGIT_INIT(173), \ + _PyLong_DIGIT_INIT(174), \ + _PyLong_DIGIT_INIT(175), \ + _PyLong_DIGIT_INIT(176), \ + _PyLong_DIGIT_INIT(177), \ + _PyLong_DIGIT_INIT(178), \ + _PyLong_DIGIT_INIT(179), \ + _PyLong_DIGIT_INIT(180), \ + _PyLong_DIGIT_INIT(181), \ + _PyLong_DIGIT_INIT(182), \ + _PyLong_DIGIT_INIT(183), \ + _PyLong_DIGIT_INIT(184), \ + _PyLong_DIGIT_INIT(185), \ + _PyLong_DIGIT_INIT(186), \ + _PyLong_DIGIT_INIT(187), \ + _PyLong_DIGIT_INIT(188), \ + _PyLong_DIGIT_INIT(189), \ + _PyLong_DIGIT_INIT(190), \ + _PyLong_DIGIT_INIT(191), \ + _PyLong_DIGIT_INIT(192), \ + _PyLong_DIGIT_INIT(193), \ + _PyLong_DIGIT_INIT(194), \ + _PyLong_DIGIT_INIT(195), \ + _PyLong_DIGIT_INIT(196), \ + _PyLong_DIGIT_INIT(197), \ + _PyLong_DIGIT_INIT(198), \ + _PyLong_DIGIT_INIT(199), \ + _PyLong_DIGIT_INIT(200), \ + _PyLong_DIGIT_INIT(201), \ + _PyLong_DIGIT_INIT(202), \ + _PyLong_DIGIT_INIT(203), \ + _PyLong_DIGIT_INIT(204), \ + _PyLong_DIGIT_INIT(205), \ + _PyLong_DIGIT_INIT(206), \ + _PyLong_DIGIT_INIT(207), \ + _PyLong_DIGIT_INIT(208), \ + _PyLong_DIGIT_INIT(209), \ + _PyLong_DIGIT_INIT(210), \ + _PyLong_DIGIT_INIT(211), \ + _PyLong_DIGIT_INIT(212), \ + _PyLong_DIGIT_INIT(213), \ + _PyLong_DIGIT_INIT(214), \ + _PyLong_DIGIT_INIT(215), \ + _PyLong_DIGIT_INIT(216), \ + _PyLong_DIGIT_INIT(217), \ + _PyLong_DIGIT_INIT(218), \ + _PyLong_DIGIT_INIT(219), \ + _PyLong_DIGIT_INIT(220), \ + _PyLong_DIGIT_INIT(221), \ + _PyLong_DIGIT_INIT(222), \ + _PyLong_DIGIT_INIT(223), \ + _PyLong_DIGIT_INIT(224), \ + _PyLong_DIGIT_INIT(225), \ + _PyLong_DIGIT_INIT(226), \ + _PyLong_DIGIT_INIT(227), \ + _PyLong_DIGIT_INIT(228), \ + _PyLong_DIGIT_INIT(229), \ + _PyLong_DIGIT_INIT(230), \ + _PyLong_DIGIT_INIT(231), \ + _PyLong_DIGIT_INIT(232), \ + _PyLong_DIGIT_INIT(233), \ + _PyLong_DIGIT_INIT(234), \ + _PyLong_DIGIT_INIT(235), \ + _PyLong_DIGIT_INIT(236), \ + _PyLong_DIGIT_INIT(237), \ + _PyLong_DIGIT_INIT(238), \ + _PyLong_DIGIT_INIT(239), \ + _PyLong_DIGIT_INIT(240), \ + _PyLong_DIGIT_INIT(241), \ + _PyLong_DIGIT_INIT(242), \ + _PyLong_DIGIT_INIT(243), \ + _PyLong_DIGIT_INIT(244), \ + _PyLong_DIGIT_INIT(245), \ + _PyLong_DIGIT_INIT(246), \ + _PyLong_DIGIT_INIT(247), \ + _PyLong_DIGIT_INIT(248), \ + _PyLong_DIGIT_INIT(249), \ + _PyLong_DIGIT_INIT(250), \ + _PyLong_DIGIT_INIT(251), \ + _PyLong_DIGIT_INIT(252), \ + _PyLong_DIGIT_INIT(253), \ + _PyLong_DIGIT_INIT(254), \ + _PyLong_DIGIT_INIT(255), \ + _PyLong_DIGIT_INIT(256), \ + }, \ + }, \ +} + +static inline void +_Py_global_objects_reset(struct _Py_global_objects *objects) +{ +} + +#ifdef __cplusplus +} +#endif +#endif /* !Py_INTERNAL_GLOBAL_OBJECTS_H */ diff --git a/Include/internal/pycore_long.h b/Include/internal/pycore_long.h index a5639ceb6924a8..4d1a0d0424969b 100644 --- a/Include/internal/pycore_long.h +++ b/Include/internal/pycore_long.h @@ -8,19 +8,24 @@ extern "C" { # error "this header requires Py_BUILD_CORE define" #endif -#include "pycore_long_state.h" // _PyLong_SMALL_INTS -#include "pycore_pystate.h" // _PyThreadState_GET() +#include "pycore_global_objects.h" // _PY_NSMALLNEGINTS #include "pycore_runtime.h" // _PyRuntime /* runtime lifecycle */ -extern void _PyLong_InitGlobalObjects(PyInterpreterState *); extern PyStatus _PyLong_InitTypes(PyInterpreterState *); /* other API */ +#define _PyLong_SMALL_INTS _Py_SINGLETON(small_ints) + +// _PyLong_GetZero() and _PyLong_GetOne() must always be available +#if _PY_NSMALLPOSINTS < 2 +# error "_PY_NSMALLPOSINTS must be greater than 1" +#endif + // Return a borrowed reference to the zero singleton. // The function cannot return NULL. static inline PyObject* _PyLong_GetZero(void) diff --git a/Include/internal/pycore_long_state.h b/Include/internal/pycore_long_state.h deleted file mode 100644 index 5fe8e623a9effe..00000000000000 --- a/Include/internal/pycore_long_state.h +++ /dev/null @@ -1,33 +0,0 @@ -#ifndef Py_INTERNAL_LONG_STATE_H -#define Py_INTERNAL_LONG_STATE_H -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef Py_BUILD_CORE -# error "this header requires Py_BUILD_CORE define" -#endif - -#define _PY_NSMALLPOSINTS 257 -#define _PY_NSMALLNEGINTS 5 - -// _PyLong_GetZero() and _PyLong_GetOne() must always be available -#if _PY_NSMALLPOSINTS < 2 -# error "_PY_NSMALLPOSINTS must be greater than 1" -#endif - -struct _Py_long_state { - /* 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]; -}; - -#define _PyLong_SMALL_INTS _PyRuntime.int_state.small_ints - -#ifdef __cplusplus -} -#endif -#endif /* !Py_INTERNAL_LONG_STATE_H */ diff --git a/Include/internal/pycore_runtime.h b/Include/internal/pycore_runtime.h index bd88510d1f0562..725c859ea7853d 100644 --- a/Include/internal/pycore_runtime.h +++ b/Include/internal/pycore_runtime.h @@ -8,10 +8,10 @@ extern "C" { # 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_long_state.h" // struct _Py_long_state -#include "pycore_unicodeobject.h" // struct _Py_unicode_runtime_ids +#include "pycore_atomic.h" /* _Py_atomic_address */ +#include "pycore_gil.h" // struct _gil_runtime_state +#include "pycore_global_objects.h" // struct _Py_global_objects +#include "pycore_unicodeobject.h" // struct _Py_unicode_runtime_ids /* ceval state */ @@ -101,8 +101,6 @@ typedef struct pyruntimestate { unsigned long main_thread; - struct _Py_long_state int_state; - #define NEXITFUNCS 32 void (*exitfuncs[NEXITFUNCS])(void); int nexitfuncs; @@ -120,12 +118,14 @@ typedef struct pyruntimestate { struct _Py_unicode_runtime_ids unicode_ids; - // XXX Consolidate globals found via the check-c-globals script. + struct _Py_global_objects global_objects; + // If anything gets added after global_objects then + // _PyRuntimeState_reset() needs to get updated to clear it. } _PyRuntimeState; #define _PyRuntimeState_INIT \ { \ - ._initialized = 0, \ + .global_objects = _Py_global_objects_INIT, \ } /* Note: _PyRuntimeState_INIT sets other fields to 0/NULL */ @@ -133,7 +133,8 @@ static inline void _PyRuntimeState_reset(_PyRuntimeState *runtime) { /* Make it match _PyRuntimeState_INIT. */ - memset(runtime, 0, sizeof(*runtime)); + memset(runtime, 0, (size_t)&runtime->global_objects - (size_t)runtime); + _Py_global_objects_reset(&runtime->global_objects); } diff --git a/Makefile.pre.in b/Makefile.pre.in index 57928eead4384b..e024363592d98b 100644 --- a/Makefile.pre.in +++ b/Makefile.pre.in @@ -1593,6 +1593,7 @@ PYTHON_HEADERS= \ $(srcdir)/Include/internal/pycore_genobject.h \ $(srcdir)/Include/internal/pycore_getopt.h \ $(srcdir)/Include/internal/pycore_gil.h \ + $(srcdir)/Include/internal/pycore_global_objects.h \ $(srcdir)/Include/internal/pycore_hamt.h \ $(srcdir)/Include/internal/pycore_hashtable.h \ $(srcdir)/Include/internal/pycore_import.h \ @@ -1601,7 +1602,6 @@ PYTHON_HEADERS= \ $(srcdir)/Include/internal/pycore_interpreteridobject.h \ $(srcdir)/Include/internal/pycore_list.h \ $(srcdir)/Include/internal/pycore_long.h \ - $(srcdir)/Include/internal/pycore_long_state.h \ $(srcdir)/Include/internal/pycore_moduleobject.h \ $(srcdir)/Include/internal/pycore_namespace.h \ $(srcdir)/Include/internal/pycore_object.h \ diff --git a/Objects/longobject.c b/Objects/longobject.c index f6d5e7648be16f..77434e67642f5e 100644 --- a/Objects/longobject.c +++ b/Objects/longobject.c @@ -5832,29 +5832,6 @@ PyLong_GetInfo(void) /* runtime lifecycle */ -void -_PyLong_InitGlobalObjects(PyInterpreterState *interp) -{ - if (!_Py_IsMainInterpreter(interp)) { - return; - } - - PyLongObject *small_ints = _PyLong_SMALL_INTS; - if (small_ints[0].ob_base.ob_base.ob_refcnt != 0) { - // Py_Initialize() must be running a second time. - return; - } - - for (Py_ssize_t i=0; i < _PY_NSMALLNEGINTS + _PY_NSMALLPOSINTS; i++) { - sdigit ival = (sdigit)i - _PY_NSMALLNEGINTS; - int size = (ival < 0) ? -1 : ((ival == 0) ? 0 : 1); - small_ints[i].ob_base.ob_base.ob_refcnt = 1; - small_ints[i].ob_base.ob_base.ob_type = &PyLong_Type; - small_ints[i].ob_base.ob_size = size; - small_ints[i].ob_digit[0] = (digit)abs(ival); - } -} - PyStatus _PyLong_InitTypes(PyInterpreterState *interp) { @@ -5875,9 +5852,3 @@ _PyLong_InitTypes(PyInterpreterState *interp) return _PyStatus_OK(); } - -void -_PyLong_Fini(PyInterpreterState *interp) -{ - (void)interp; -} diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj index 33abfaf53652f9..97e9bfd21326f4 100644 --- a/PCbuild/pythoncore.vcxproj +++ b/PCbuild/pythoncore.vcxproj @@ -213,6 +213,7 @@ + @@ -221,7 +222,6 @@ - diff --git a/PCbuild/pythoncore.vcxproj.filters b/PCbuild/pythoncore.vcxproj.filters index c99595755e3dc1..cc0a2b0f75924d 100644 --- a/PCbuild/pythoncore.vcxproj.filters +++ b/PCbuild/pythoncore.vcxproj.filters @@ -549,6 +549,9 @@ Include\internal + + Include\internal + Include\internal @@ -573,9 +576,6 @@ Include\internal - - Include\internal - Include\internal diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c index b6d73a9ce22160..73290afb99332c 100644 --- a/Python/pylifecycle.c +++ b/Python/pylifecycle.c @@ -676,8 +676,6 @@ pycore_init_global_objects(PyInterpreterState *interp) { PyStatus status; - _PyLong_InitGlobalObjects(interp); - _PyFloat_InitState(interp); status = _PyBytes_InitGlobalObjects(interp); pFad - Phonifier reborn

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