+++ /dev/null
-/** @file\r
- Symbols and macros to supply platform-independent interfaces to basic\r
- C language & library operations whose spellings vary across platforms.\r
-\r
- Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials are licensed and made available under\r
- the terms and conditions of the BSD License that accompanies this distribution.\r
- The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-**/\r
-#ifndef Py_PYPORT_H\r
-#define Py_PYPORT_H\r
-\r
-#include "pyconfig.h" /* include for defines */\r
-\r
-/* Some versions of HP-UX & Solaris need inttypes.h for int32_t,\r
- INT32_MAX, etc. */\r
-#ifdef HAVE_INTTYPES_H\r
-#include <inttypes.h>\r
-#endif\r
-\r
-#ifdef HAVE_STDINT_H\r
-#include <stdint.h>\r
-#endif\r
-\r
-/**************************************************************************\r
-Symbols and macros to supply platform-independent interfaces to basic\r
-C language & library operations whose spellings vary across platforms.\r
-\r
-Please try to make documentation here as clear as possible: by definition,\r
-the stuff here is trying to illuminate C's darkest corners.\r
-\r
-Config #defines referenced here:\r
-\r
-SIGNED_RIGHT_SHIFT_ZERO_FILLS\r
-Meaning: To be defined iff i>>j does not extend the sign bit when i is a\r
- signed integral type and i < 0.\r
-Used in: Py_ARITHMETIC_RIGHT_SHIFT\r
-\r
-Py_DEBUG\r
-Meaning: Extra checks compiled in for debug mode.\r
-Used in: Py_SAFE_DOWNCAST\r
-\r
-HAVE_UINTPTR_T\r
-Meaning: The C9X type uintptr_t is supported by the compiler\r
-Used in: Py_uintptr_t\r
-\r
-HAVE_LONG_LONG\r
-Meaning: The compiler supports the C type "long long"\r
-Used in: PY_LONG_LONG\r
-\r
-**************************************************************************/\r
-\r
-\r
-/* For backward compatibility only. Obsolete, do not use. */\r
-#ifdef HAVE_PROTOTYPES\r
-#define Py_PROTO(x) x\r
-#else\r
-#define Py_PROTO(x) ()\r
-#endif\r
-#ifndef Py_FPROTO\r
-#define Py_FPROTO(x) Py_PROTO(x)\r
-#endif\r
-\r
-/* typedefs for some C9X-defined synonyms for integral types.\r
- *\r
- * The names in Python are exactly the same as the C9X names, except with a\r
- * Py_ prefix. Until C9X is universally implemented, this is the only way\r
- * to ensure that Python gets reliable names that don't conflict with names\r
- * in non-Python code that are playing their own tricks to define the C9X\r
- * names.\r
- *\r
- * NOTE: don't go nuts here! Python has no use for *most* of the C9X\r
- * integral synonyms. Only define the ones we actually need.\r
- */\r
-\r
-#ifdef HAVE_LONG_LONG\r
-#ifndef PY_LONG_LONG\r
-#define PY_LONG_LONG long long\r
-#if defined(LLONG_MAX)\r
-/* If LLONG_MAX is defined in limits.h, use that. */\r
-#define PY_LLONG_MIN LLONG_MIN\r
-#define PY_LLONG_MAX LLONG_MAX\r
-#define PY_ULLONG_MAX ULLONG_MAX\r
-#elif defined(__LONG_LONG_MAX__)\r
-/* Otherwise, if GCC has a builtin define, use that. */\r
-#define PY_LLONG_MAX __LONG_LONG_MAX__\r
-#define PY_LLONG_MIN (-PY_LLONG_MAX-1)\r
-#define PY_ULLONG_MAX (__LONG_LONG_MAX__*2ULL + 1ULL)\r
-#else\r
-/* Otherwise, rely on two's complement. */\r
-#define PY_ULLONG_MAX (~0ULL)\r
-#define PY_LLONG_MAX ((long long)(PY_ULLONG_MAX>>1))\r
-#define PY_LLONG_MIN (-PY_LLONG_MAX-1)\r
-#endif /* LLONG_MAX */\r
-#endif\r
-#endif /* HAVE_LONG_LONG */\r
-\r
-/* a build with 30-bit digits for Python long integers needs an exact-width\r
- * 32-bit unsigned integer type to store those digits. (We could just use\r
- * type 'unsigned long', but that would be wasteful on a system where longs\r
- * are 64-bits.) On Unix systems, the autoconf macro AC_TYPE_UINT32_T defines\r
- * uint32_t to be such a type unless stdint.h or inttypes.h defines uint32_t.\r
- * However, it doesn't set HAVE_UINT32_T, so we do that here.\r
- */\r
-#if (defined UINT32_MAX || defined uint32_t)\r
-#ifndef PY_UINT32_T\r
-#define HAVE_UINT32_T 1\r
-#define PY_UINT32_T uint32_t\r
-#endif\r
-#endif\r
-\r
-/* Macros for a 64-bit unsigned integer type; used for type 'twodigits' in the\r
- * long integer implementation, when 30-bit digits are enabled.\r
- */\r
-#if (defined UINT64_MAX || defined uint64_t)\r
-#ifndef PY_UINT64_T\r
-#define HAVE_UINT64_T 1\r
-#define PY_UINT64_T uint64_t\r
-#endif\r
-#endif\r
-\r
-/* Signed variants of the above */\r
-#if (defined INT32_MAX || defined int32_t)\r
-#ifndef PY_INT32_T\r
-#define HAVE_INT32_T 1\r
-#define PY_INT32_T int32_t\r
-#endif\r
-#endif\r
-#if (defined INT64_MAX || defined int64_t)\r
-#ifndef PY_INT64_T\r
-#define HAVE_INT64_T 1\r
-#define PY_INT64_T int64_t\r
-#endif\r
-#endif\r
-\r
-/* If PYLONG_BITS_IN_DIGIT is not defined then we'll use 30-bit digits if all\r
- the necessary integer types are available, and we're on a 64-bit platform\r
- (as determined by SIZEOF_VOID_P); otherwise we use 15-bit digits. */\r
-\r
-#ifndef PYLONG_BITS_IN_DIGIT\r
-#if (defined HAVE_UINT64_T && defined HAVE_INT64_T && \\r
- defined HAVE_UINT32_T && defined HAVE_INT32_T && SIZEOF_VOID_P >= 8)\r
-#define PYLONG_BITS_IN_DIGIT 30\r
-#else\r
-#define PYLONG_BITS_IN_DIGIT 15\r
-#endif\r
-#endif\r
-\r
-/* uintptr_t is the C9X name for an unsigned integral type such that a\r
- * legitimate void* can be cast to uintptr_t and then back to void* again\r
- * without loss of information. Similarly for intptr_t, wrt a signed\r
- * integral type.\r
- */\r
-#ifdef HAVE_UINTPTR_T\r
-typedef uintptr_t Py_uintptr_t;\r
-typedef intptr_t Py_intptr_t;\r
-\r
-#elif SIZEOF_VOID_P <= SIZEOF_INT\r
-typedef unsigned int Py_uintptr_t;\r
-typedef int Py_intptr_t;\r
-\r
-#elif SIZEOF_VOID_P <= SIZEOF_LONG\r
-typedef unsigned long Py_uintptr_t;\r
-typedef long Py_intptr_t;\r
-\r
-#elif defined(HAVE_LONG_LONG) && (SIZEOF_VOID_P <= SIZEOF_LONG_LONG)\r
-typedef unsigned PY_LONG_LONG Py_uintptr_t;\r
-typedef PY_LONG_LONG Py_intptr_t;\r
-\r
-#else\r
-# error "Python needs a typedef for Py_uintptr_t in pyport.h."\r
-#endif /* HAVE_UINTPTR_T */\r
-\r
-/* Py_ssize_t is a signed integral type such that sizeof(Py_ssize_t) ==\r
- * sizeof(size_t). C99 doesn't define such a thing directly (size_t is an\r
- * unsigned integral type). See PEP 353 for details.\r
- */\r
-#ifdef HAVE_SSIZE_T\r
-typedef ssize_t Py_ssize_t;\r
-#elif SIZEOF_VOID_P == SIZEOF_SIZE_T\r
-typedef Py_intptr_t Py_ssize_t;\r
-#else\r
-# error "Python needs a typedef for Py_ssize_t in pyport.h."\r
-#endif\r
-\r
-/* Largest possible value of size_t.\r
- SIZE_MAX is part of C99, so it might be defined on some\r
- platforms. If it is not defined, (size_t)-1 is a portable\r
- definition for C89, due to the way signed->unsigned\r
- conversion is defined. */\r
-#ifdef SIZE_MAX\r
-#define PY_SIZE_MAX SIZE_MAX\r
-#else\r
-#define PY_SIZE_MAX ((size_t)-1)\r
-#endif\r
-\r
-/* Largest positive value of type Py_ssize_t. */\r
-#define PY_SSIZE_T_MAX ((Py_ssize_t)(((size_t)-1)>>1))\r
-/* Smallest negative value of type Py_ssize_t. */\r
-#define PY_SSIZE_T_MIN (-PY_SSIZE_T_MAX-1)\r
-\r
-#if SIZEOF_PID_T > SIZEOF_LONG\r
-# error "Python doesn't support sizeof(pid_t) > sizeof(long)"\r
-#endif\r
-\r
-/* PY_FORMAT_SIZE_T is a platform-specific modifier for use in a printf\r
- * format to convert an argument with the width of a size_t or Py_ssize_t.\r
- * C99 introduced "z" for this purpose, but not all platforms support that;\r
- * e.g., MS compilers use "I" instead.\r
- *\r
- * These "high level" Python format functions interpret "z" correctly on\r
- * all platforms (Python interprets the format string itself, and does whatever\r
- * the platform C requires to convert a size_t/Py_ssize_t argument):\r
- *\r
- * PyString_FromFormat\r
- * PyErr_Format\r
- * PyString_FromFormatV\r
- *\r
- * Lower-level uses require that you interpolate the correct format modifier\r
- * yourself (e.g., calling printf, fprintf, sprintf, PyOS_snprintf); for\r
- * example,\r
- *\r
- * Py_ssize_t index;\r
- * fprintf(stderr, "index %" PY_FORMAT_SIZE_T "d sucks\n", index);\r
- *\r
- * That will expand to %ld, or %Id, or to something else correct for a\r
- * Py_ssize_t on the platform.\r
- */\r
-#ifndef PY_FORMAT_SIZE_T\r
-# if SIZEOF_SIZE_T == SIZEOF_INT && !defined(__APPLE__)\r
-# define PY_FORMAT_SIZE_T ""\r
-# elif SIZEOF_SIZE_T == SIZEOF_LONG\r
-# define PY_FORMAT_SIZE_T "l"\r
-# elif defined(MS_WINDOWS)\r
-# define PY_FORMAT_SIZE_T "I"\r
-# else\r
-# error "This platform's pyconfig.h needs to define PY_FORMAT_SIZE_T"\r
-# endif\r
-#endif\r
-\r
-/* PY_FORMAT_LONG_LONG is analogous to PY_FORMAT_SIZE_T above, but for\r
- * the long long type instead of the size_t type. It's only available\r
- * when HAVE_LONG_LONG is defined. The "high level" Python format\r
- * functions listed above will interpret "lld" or "llu" correctly on\r
- * all platforms.\r
- */\r
-#ifdef HAVE_LONG_LONG\r
-# ifndef PY_FORMAT_LONG_LONG\r
-# if defined(MS_WIN64) || defined(MS_WINDOWS)\r
-# define PY_FORMAT_LONG_LONG "I64"\r
-# else\r
-# error "This platform's pyconfig.h needs to define PY_FORMAT_LONG_LONG"\r
-# endif\r
-# endif\r
-#endif\r
-\r
-/* Py_LOCAL can be used instead of static to get the fastest possible calling\r
- * convention for functions that are local to a given module.\r
- *\r
- * Py_LOCAL_INLINE does the same thing, and also explicitly requests inlining,\r
- * for platforms that support that.\r
- *\r
- * If PY_LOCAL_AGGRESSIVE is defined before python.h is included, more\r
- * "aggressive" inlining/optimizaion is enabled for the entire module. This\r
- * may lead to code bloat, and may slow things down for those reasons. It may\r
- * also lead to errors, if the code relies on pointer aliasing. Use with\r
- * care.\r
- *\r
- * NOTE: You can only use this for functions that are entirely local to a\r
- * module; functions that are exported via method tables, callbacks, etc,\r
- * should keep using static.\r
- */\r
-\r
-#undef USE_INLINE /* XXX - set via configure? */\r
-\r
-#if defined(_MSC_VER)\r
-#if defined(PY_LOCAL_AGGRESSIVE)\r
-/* enable more aggressive optimization for visual studio */\r
-//#pragma optimize("agtw", on)\r
-#pragma optimize("gt", on) // a and w are not legal for VS2005\r
-#endif\r
-/* ignore warnings if the compiler decides not to inline a function */\r
-#pragma warning(disable: 4710)\r
-/* fastest possible local call under MSVC */\r
-#define Py_LOCAL(type) static type __fastcall\r
-#define Py_LOCAL_INLINE(type) static __inline type __fastcall\r
-#elif defined(USE_INLINE)\r
-#define Py_LOCAL(type) static type\r
-#define Py_LOCAL_INLINE(type) static inline type\r
-#else\r
-#define Py_LOCAL(type) static type\r
-#define Py_LOCAL_INLINE(type) static type\r
-#endif\r
-\r
-/* Py_MEMCPY can be used instead of memcpy in cases where the copied blocks\r
- * are often very short. While most platforms have highly optimized code for\r
- * large transfers, the setup costs for memcpy are often quite high. MEMCPY\r
- * solves this by doing short copies "in line".\r
- */\r
-\r
-#if defined(_MSC_VER)\r
-#define Py_MEMCPY(target, source, length) do { \\r
- size_t i_, n_ = (length); \\r
- char *t_ = (void*) (target); \\r
- const char *s_ = (void*) (source); \\r
- if (n_ >= 16) \\r
- memcpy(t_, s_, n_); \\r
- else \\r
- for (i_ = 0; i_ < n_; i_++) \\r
- t_[i_] = s_[i_]; \\r
- } while (0)\r
-#else\r
-#define Py_MEMCPY memcpy\r
-#endif\r
-\r
-#include <stdlib.h>\r
-\r
-#ifdef HAVE_IEEEFP_H\r
-#include <ieeefp.h> /* needed for 'finite' declaration on some platforms */\r
-#endif\r
-\r
-#include <math.h> /* Moved here from the math section, before extern "C" */\r
-\r
-/********************************************\r
- * WRAPPER FOR <time.h> and/or <sys/time.h> *\r
- ********************************************/\r
-\r
-#ifdef TIME_WITH_SYS_TIME\r
-#include <sys/time.h>\r
-#include <time.h>\r
-#else /* !TIME_WITH_SYS_TIME */\r
-#ifdef HAVE_SYS_TIME_H\r
-#include <sys/time.h>\r
-#else /* !HAVE_SYS_TIME_H */\r
-#include <time.h>\r
-#endif /* !HAVE_SYS_TIME_H */\r
-#endif /* !TIME_WITH_SYS_TIME */\r
-\r
-\r
-/******************************\r
- * WRAPPER FOR <sys/select.h> *\r
- ******************************/\r
-\r
-/* NB caller must include <sys/types.h> */\r
-\r
-#ifdef HAVE_SYS_SELECT_H\r
-\r
-#include <sys/select.h>\r
-\r
-#endif /* !HAVE_SYS_SELECT_H */\r
-\r
-/*******************************\r
- * stat() and fstat() fiddling *\r
- *******************************/\r
-\r
-/* We expect that stat and fstat exist on most systems.\r
- * It's confirmed on Unix, Mac and Windows.\r
- * If you don't have them, add\r
- * #define DONT_HAVE_STAT\r
- * and/or\r
- * #define DONT_HAVE_FSTAT\r
- * to your pyconfig.h. Python code beyond this should check HAVE_STAT and\r
- * HAVE_FSTAT instead.\r
- * Also\r
- * #define HAVE_SYS_STAT_H\r
- * if <sys/stat.h> exists on your platform, and\r
- * #define HAVE_STAT_H\r
- * if <stat.h> does.\r
- */\r
-#ifndef DONT_HAVE_STAT\r
-#define HAVE_STAT\r
-#endif\r
-\r
-#ifndef DONT_HAVE_FSTAT\r
-#define HAVE_FSTAT\r
-#endif\r
-\r
-#ifdef RISCOS\r
-#include <sys/types.h>\r
-#include "unixstuff.h"\r
-#endif\r
-\r
-#ifdef HAVE_SYS_STAT_H\r
-#if defined(PYOS_OS2) && defined(PYCC_GCC)\r
-#include <sys/types.h>\r
-#endif\r
-#include <sys/stat.h>\r
-#elif defined(HAVE_STAT_H)\r
-#include <stat.h>\r
-#endif\r
-\r
-#if defined(PYCC_VACPP)\r
-/* VisualAge C/C++ Failed to Define MountType Field in sys/stat.h */\r
-#define S_IFMT (S_IFDIR|S_IFCHR|S_IFREG)\r
-#endif\r
-\r
-#ifndef S_ISREG\r
-#define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)\r
-#endif\r
-\r
-#ifndef S_ISDIR\r
-#define S_ISDIR(x) (((x) & S_IFMT) == S_IFDIR)\r
-#endif\r
-\r
-\r
-#ifdef __cplusplus\r
-/* Move this down here since some C++ #include's don't like to be included\r
- inside an extern "C" */\r
-extern "C" {\r
-#endif\r
-\r
-\r
-/* Py_ARITHMETIC_RIGHT_SHIFT\r
- * C doesn't define whether a right-shift of a signed integer sign-extends\r
- * or zero-fills. Here a macro to force sign extension:\r
- * Py_ARITHMETIC_RIGHT_SHIFT(TYPE, I, J)\r
- * Return I >> J, forcing sign extension. Arithmetically, return the\r
- * floor of I/2**J.\r
- * Requirements:\r
- * I should have signed integer type. In the terminology of C99, this can\r
- * be either one of the five standard signed integer types (signed char,\r
- * short, int, long, long long) or an extended signed integer type.\r
- * J is an integer >= 0 and strictly less than the number of bits in the\r
- * type of I (because C doesn't define what happens for J outside that\r
- * range either).\r
- * TYPE used to specify the type of I, but is now ignored. It's been left\r
- * in for backwards compatibility with versions <= 2.6 or 3.0.\r
- * Caution:\r
- * I may be evaluated more than once.\r
- */\r
-#ifdef SIGNED_RIGHT_SHIFT_ZERO_FILLS\r
-#define Py_ARITHMETIC_RIGHT_SHIFT(TYPE, I, J) \\r
- ((I) < 0 ? -1-((-1-(I)) >> (J)) : (I) >> (J))\r
-#else\r
-#define Py_ARITHMETIC_RIGHT_SHIFT(TYPE, I, J) ((I) >> (J))\r
-#endif\r
-\r
-/* Py_FORCE_EXPANSION(X)\r
- * "Simply" returns its argument. However, macro expansions within the\r
- * argument are evaluated. This unfortunate trickery is needed to get\r
- * token-pasting to work as desired in some cases.\r
- */\r
-#define Py_FORCE_EXPANSION(X) X\r
-\r
-/* Py_SAFE_DOWNCAST(VALUE, WIDE, NARROW)\r
- * Cast VALUE to type NARROW from type WIDE. In Py_DEBUG mode, this\r
- * assert-fails if any information is lost.\r
- * Caution:\r
- * VALUE may be evaluated more than once.\r
- */\r
-#ifdef Py_DEBUG\r
-#define Py_SAFE_DOWNCAST(VALUE, WIDE, NARROW) \\r
- (assert((WIDE)(NARROW)(VALUE) == (VALUE)), (NARROW)(VALUE))\r
-#else\r
-#define Py_SAFE_DOWNCAST(VALUE, WIDE, NARROW) (NARROW)(VALUE)\r
-#endif\r
-\r
-/* Py_SET_ERRNO_ON_MATH_ERROR(x)\r
- * If a libm function did not set errno, but it looks like the result\r
- * overflowed or not-a-number, set errno to ERANGE or EDOM. Set errno\r
- * to 0 before calling a libm function, and invoke this macro after,\r
- * passing the function result.\r
- * Caution:\r
- * This isn't reliable. See Py_OVERFLOWED comments.\r
- * X is evaluated more than once.\r
- */\r
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || (defined(__hpux) && defined(__ia64))\r
-#define _Py_SET_EDOM_FOR_NAN(X) if (isnan(X)) errno = EDOM;\r
-#else\r
-#define _Py_SET_EDOM_FOR_NAN(X) ;\r
-#endif\r
-#define Py_SET_ERRNO_ON_MATH_ERROR(X) \\r
- do { \\r
- if (errno == 0) { \\r
- if ((X) == Py_HUGE_VAL || (X) == -Py_HUGE_VAL) \\r
- errno = ERANGE; \\r
- else _Py_SET_EDOM_FOR_NAN(X) \\r
- } \\r
- } while(0)\r
-\r
-/* Py_SET_ERANGE_ON_OVERFLOW(x)\r
- * An alias of Py_SET_ERRNO_ON_MATH_ERROR for backward-compatibility.\r
- */\r
-#define Py_SET_ERANGE_IF_OVERFLOW(X) Py_SET_ERRNO_ON_MATH_ERROR(X)\r
-\r
-/* Py_ADJUST_ERANGE1(x)\r
- * Py_ADJUST_ERANGE2(x, y)\r
- * Set errno to 0 before calling a libm function, and invoke one of these\r
- * macros after, passing the function result(s) (Py_ADJUST_ERANGE2 is useful\r
- * for functions returning complex results). This makes two kinds of\r
- * adjustments to errno: (A) If it looks like the platform libm set\r
- * errno=ERANGE due to underflow, clear errno. (B) If it looks like the\r
- * platform libm overflowed but didn't set errno, force errno to ERANGE. In\r
- * effect, we're trying to force a useful implementation of C89 errno\r
- * behavior.\r
- * Caution:\r
- * This isn't reliable. See Py_OVERFLOWED comments.\r
- * X and Y may be evaluated more than once.\r
- */\r
-#define Py_ADJUST_ERANGE1(X) \\r
- do { \\r
- if (errno == 0) { \\r
- if ((X) == Py_HUGE_VAL || (X) == -Py_HUGE_VAL) \\r
- errno = ERANGE; \\r
- } \\r
- else if (errno == ERANGE && (X) == 0.0) \\r
- errno = 0; \\r
- } while(0)\r
-\r
-#define Py_ADJUST_ERANGE2(X, Y) \\r
- do { \\r
- if ((X) == Py_HUGE_VAL || (X) == -Py_HUGE_VAL || \\r
- (Y) == Py_HUGE_VAL || (Y) == -Py_HUGE_VAL) { \\r
- if (errno == 0) \\r
- errno = ERANGE; \\r
- } \\r
- else if (errno == ERANGE) \\r
- errno = 0; \\r
- } while(0)\r
-\r
-/* The functions _Py_dg_strtod and _Py_dg_dtoa in Python/dtoa.c (which are\r
- * required to support the short float repr introduced in Python 3.1) require\r
- * that the floating-point unit that's being used for arithmetic operations\r
- * on C doubles is set to use 53-bit precision. It also requires that the\r
- * FPU rounding mode is round-half-to-even, but that's less often an issue.\r
- *\r
- * If your FPU isn't already set to 53-bit precision/round-half-to-even, and\r
- * you want to make use of _Py_dg_strtod and _Py_dg_dtoa, then you should\r
- *\r
- * #define HAVE_PY_SET_53BIT_PRECISION 1\r
- *\r
- * and also give appropriate definitions for the following three macros:\r
- *\r
- * _PY_SET_53BIT_PRECISION_START : store original FPU settings, and\r
- * set FPU to 53-bit precision/round-half-to-even\r
- * _PY_SET_53BIT_PRECISION_END : restore original FPU settings\r
- * _PY_SET_53BIT_PRECISION_HEADER : any variable declarations needed to\r
- * use the two macros above.\r
- *\r
- * The macros are designed to be used within a single C function: see\r
- * Python/pystrtod.c for an example of their use.\r
- */\r
-\r
-/* get and set x87 control word for gcc/x86 */\r
-#ifdef HAVE_GCC_ASM_FOR_X87\r
-#define HAVE_PY_SET_53BIT_PRECISION 1\r
-/* _Py_get/set_387controlword functions are defined in Python/pymath.c */\r
-#define _Py_SET_53BIT_PRECISION_HEADER \\r
- unsigned short old_387controlword, new_387controlword\r
-#define _Py_SET_53BIT_PRECISION_START \\r
- do { \\r
- old_387controlword = _Py_get_387controlword(); \\r
- new_387controlword = (old_387controlword & ~0x0f00) | 0x0200; \\r
- if (new_387controlword != old_387controlword) \\r
- _Py_set_387controlword(new_387controlword); \\r
- } while (0)\r
-#define _Py_SET_53BIT_PRECISION_END \\r
- if (new_387controlword != old_387controlword) \\r
- _Py_set_387controlword(old_387controlword)\r
-#endif\r
-\r
-/* default definitions are empty */\r
-#ifndef HAVE_PY_SET_53BIT_PRECISION\r
-#define _Py_SET_53BIT_PRECISION_HEADER\r
-#define _Py_SET_53BIT_PRECISION_START\r
-#define _Py_SET_53BIT_PRECISION_END\r
-#endif\r
-\r
-/* If we can't guarantee 53-bit precision, don't use the code\r
- in Python/dtoa.c, but fall back to standard code. This\r
- means that repr of a float will be long (17 sig digits).\r
-\r
- Realistically, there are two things that could go wrong:\r
-\r
- (1) doubles aren't IEEE 754 doubles, or\r
- (2) we're on x86 with the rounding precision set to 64-bits\r
- (extended precision), and we don't know how to change\r
- the rounding precision.\r
- */\r
-\r
-#if !defined(DOUBLE_IS_LITTLE_ENDIAN_IEEE754) && \\r
- !defined(DOUBLE_IS_BIG_ENDIAN_IEEE754) && \\r
- !defined(DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754)\r
-#define PY_NO_SHORT_FLOAT_REPR\r
-#endif\r
-\r
-/* double rounding is symptomatic of use of extended precision on x86. If\r
- we're seeing double rounding, and we don't have any mechanism available for\r
- changing the FPU rounding precision, then don't use Python/dtoa.c. */\r
-#if defined(X87_DOUBLE_ROUNDING) && !defined(HAVE_PY_SET_53BIT_PRECISION)\r
-#define PY_NO_SHORT_FLOAT_REPR\r
-#endif\r
-\r
-/* Py_DEPRECATED(version)\r
- * Declare a variable, type, or function deprecated.\r
- * Usage:\r
- * extern int old_var Py_DEPRECATED(2.3);\r
- * typedef int T1 Py_DEPRECATED(2.4);\r
- * extern int x() Py_DEPRECATED(2.5);\r
- */\r
-#if defined(__GNUC__) && ((__GNUC__ >= 4) || \\r
- (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1))\r
-#define Py_DEPRECATED(VERSION_UNUSED) __attribute__((__deprecated__))\r
-#else\r
-#define Py_DEPRECATED(VERSION_UNUSED)\r
-#endif\r
-\r
-/**************************************************************************\r
-Prototypes that are missing from the standard include files on some systems\r
-(and possibly only some versions of such systems.)\r
-\r
-Please be conservative with adding new ones, document them and enclose them\r
-in platform-specific #ifdefs.\r
-**************************************************************************/\r
-\r
-#ifdef SOLARIS\r
-/* Unchecked */\r
-extern int gethostname(char *, int);\r
-#endif\r
-\r
-#ifdef __BEOS__\r
-/* Unchecked */\r
-/* It's in the libs, but not the headers... - [cjh] */\r
-int shutdown( int, int );\r
-#endif\r
-\r
-#ifdef HAVE__GETPTY\r
-#include <sys/types.h> /* we need to import mode_t */\r
-extern char * _getpty(int *, int, mode_t, int);\r
-#endif\r
-\r
-/* On QNX 6, struct termio must be declared by including sys/termio.h\r
- if TCGETA, TCSETA, TCSETAW, or TCSETAF are used. sys/termio.h must\r
- be included before termios.h or it will generate an error. */\r
-#ifdef HAVE_SYS_TERMIO_H\r
-#include <sys/termio.h>\r
-#endif\r
-\r
-#if defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY)\r
-#if !defined(HAVE_PTY_H) && !defined(HAVE_LIBUTIL_H) && !defined(HAVE_UTIL_H)\r
-/* BSDI does not supply a prototype for the 'openpty' and 'forkpty'\r
- functions, even though they are included in libutil. */\r
-#include <termios.h>\r
-extern int openpty(int *, int *, char *, struct termios *, struct winsize *);\r
-extern pid_t forkpty(int *, char *, struct termios *, struct winsize *);\r
-#endif /* !defined(HAVE_PTY_H) && !defined(HAVE_LIBUTIL_H) */\r
-#endif /* defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY) */\r
-\r
-\r
-/* These are pulled from various places. It isn't obvious on what platforms\r
- they are necessary, nor what the exact prototype should look like (which\r
- is likely to vary between platforms!) If you find you need one of these\r
- declarations, please move them to a platform-specific block and include\r
- proper prototypes. */\r
-#if 0\r
-\r
-/* From Modules/resource.c */\r
-extern int getrusage();\r
-extern int getpagesize();\r
-\r
-/* From Python/sysmodule.c and Modules/posixmodule.c */\r
-extern int fclose(FILE *);\r
-\r
-/* From Modules/posixmodule.c */\r
-extern int fdatasync(int);\r
-#endif /* 0 */\r
-\r
-\r
-/* On 4.4BSD-descendants, ctype functions serves the whole range of\r
- * wchar_t character set rather than single byte code points only.\r
- * This characteristic can break some operations of string object\r
- * including str.upper() and str.split() on UTF-8 locales. This\r
- * workaround was provided by Tim Robbins of FreeBSD project.\r
- */\r
-\r
-#ifdef __FreeBSD__\r
-#include <osreldate.h>\r
-#if __FreeBSD_version > 500039\r
-# define _PY_PORT_CTYPE_UTF8_ISSUE\r
-#endif\r
-#endif\r
-\r
-\r
-#if defined(__APPLE__)\r
-# define _PY_PORT_CTYPE_UTF8_ISSUE\r
-#endif\r
-\r
-#ifdef _PY_PORT_CTYPE_UTF8_ISSUE\r
-#include <ctype.h>\r
-#include <wctype.h>\r
-#undef isalnum\r
-#define isalnum(c) iswalnum(btowc(c))\r
-#undef isalpha\r
-#define isalpha(c) iswalpha(btowc(c))\r
-#undef islower\r
-#define islower(c) iswlower(btowc(c))\r
-#undef isspace\r
-#define isspace(c) iswspace(btowc(c))\r
-#undef isupper\r
-#define isupper(c) iswupper(btowc(c))\r
-#undef tolower\r
-#define tolower(c) towlower(btowc(c))\r
-#undef toupper\r
-#define toupper(c) towupper(btowc(c))\r
-#endif\r
-\r
-\r
-/* Declarations for symbol visibility.\r
-\r
- PyAPI_FUNC(type): Declares a public Python API function and return type\r
- PyAPI_DATA(type): Declares public Python data and its type\r
- PyMODINIT_FUNC: A Python module init function. If these functions are\r
- inside the Python core, they are private to the core.\r
- If in an extension module, it may be declared with\r
- external linkage depending on the platform.\r
-\r
- As a number of platforms support/require "__declspec(dllimport/dllexport)",\r
- we support a HAVE_DECLSPEC_DLL macro to save duplication.\r
-*/\r
-\r
-/*\r
- All windows ports, except cygwin, are handled in PC/pyconfig.h.\r
-\r
- BeOS and cygwin are the only other autoconf platform requiring special\r
- linkage handling and both of these use __declspec().\r
-*/\r
-#if defined(__CYGWIN__) || defined(__BEOS__)\r
-# define HAVE_DECLSPEC_DLL\r
-#endif\r
-\r
-/* only get special linkage if built as shared or platform is Cygwin */\r
-#if defined(Py_ENABLE_SHARED) || defined(__CYGWIN__)\r
-# if defined(HAVE_DECLSPEC_DLL)\r
-# ifdef Py_BUILD_CORE\r
-# define PyAPI_FUNC(RTYPE) __declspec(dllexport) RTYPE\r
-# define PyAPI_DATA(RTYPE) extern __declspec(dllexport) RTYPE\r
- /* module init functions inside the core need no external linkage */\r
- /* except for Cygwin to handle embedding (FIXME: BeOS too?) */\r
-# if defined(__CYGWIN__)\r
-# define PyMODINIT_FUNC __declspec(dllexport) void\r
-# else /* __CYGWIN__ */\r
-# define PyMODINIT_FUNC void\r
-# endif /* __CYGWIN__ */\r
-# else /* Py_BUILD_CORE */\r
- /* Building an extension module, or an embedded situation */\r
- /* public Python functions and data are imported */\r
- /* Under Cygwin, auto-import functions to prevent compilation */\r
- /* failures similar to those described at the bottom of 4.1: */\r
- /* http://docs.python.org/extending/windows.html#a-cookbook-approach */\r
-# if !defined(__CYGWIN__)\r
-# define PyAPI_FUNC(RTYPE) __declspec(dllimport) RTYPE\r
-# endif /* !__CYGWIN__ */\r
-# define PyAPI_DATA(RTYPE) extern __declspec(dllimport) RTYPE\r
- /* module init functions outside the core must be exported */\r
-# if defined(__cplusplus)\r
-# define PyMODINIT_FUNC extern "C" __declspec(dllexport) void\r
-# else /* __cplusplus */\r
-# define PyMODINIT_FUNC __declspec(dllexport) void\r
-# endif /* __cplusplus */\r
-# endif /* Py_BUILD_CORE */\r
-# endif /* HAVE_DECLSPEC */\r
-#endif /* Py_ENABLE_SHARED */\r
-\r
-/* If no external linkage macros defined by now, create defaults */\r
-#ifndef PyAPI_FUNC\r
-# define PyAPI_FUNC(RTYPE) RTYPE\r
-#endif\r
-#ifndef PyAPI_DATA\r
-# define PyAPI_DATA(RTYPE) extern RTYPE\r
-#endif\r
-#ifndef PyMODINIT_FUNC\r
-# if defined(__cplusplus)\r
-# define PyMODINIT_FUNC extern "C" void\r
-# else /* __cplusplus */\r
-# define PyMODINIT_FUNC void\r
-# endif /* __cplusplus */\r
-#endif\r
-\r
-/* Deprecated DL_IMPORT and DL_EXPORT macros */\r
-#if defined(Py_ENABLE_SHARED) && defined (HAVE_DECLSPEC_DLL)\r
-# if defined(Py_BUILD_CORE)\r
-# define DL_IMPORT(RTYPE) __declspec(dllexport) RTYPE\r
-# define DL_EXPORT(RTYPE) __declspec(dllexport) RTYPE\r
-# else\r
-# define DL_IMPORT(RTYPE) __declspec(dllimport) RTYPE\r
-# define DL_EXPORT(RTYPE) __declspec(dllexport) RTYPE\r
-# endif\r
-#endif\r
-#ifndef DL_EXPORT\r
-# define DL_EXPORT(RTYPE) RTYPE\r
-#endif\r
-#ifndef DL_IMPORT\r
-# define DL_IMPORT(RTYPE) RTYPE\r
-#endif\r
-/* End of deprecated DL_* macros */\r
-\r
-/* If the fd manipulation macros aren't defined,\r
- here is a set that should do the job */\r
-\r
-#if 0 /* disabled and probably obsolete */\r
-\r
-#ifndef FD_SETSIZE\r
-#define FD_SETSIZE 256\r
-#endif\r
-\r
-#ifndef FD_SET\r
-\r
-typedef long fd_mask;\r
-\r
-#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */\r
-#ifndef howmany\r
-#define howmany(x, y) (((x)+((y)-1))/(y))\r
-#endif /* howmany */\r
-\r
-typedef struct fd_set {\r
- fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];\r
-} fd_set;\r
-\r
-#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))\r
-#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))\r
-#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))\r
-#define FD_ZERO(p) memset((char *)(p), '\0', sizeof(*(p)))\r
-\r
-#endif /* FD_SET */\r
-\r
-#endif /* fd manipulation macros */\r
-\r
-\r
-/* limits.h constants that may be missing */\r
-\r
-#ifndef INT_MAX\r
-#define INT_MAX 2147483647\r
-#endif\r
-\r
-#ifndef LONG_MAX\r
-#if SIZEOF_LONG == 4\r
-#define LONG_MAX 0X7FFFFFFFL\r
-#elif SIZEOF_LONG == 8\r
-#define LONG_MAX 0X7FFFFFFFFFFFFFFFL\r
-#else\r
-#error "could not set LONG_MAX in pyport.h"\r
-#endif\r
-#endif\r
-\r
-#ifndef LONG_MIN\r
-#define LONG_MIN (-LONG_MAX-1)\r
-#endif\r
-\r
-#ifndef LONG_BIT\r
-#define LONG_BIT (8 * SIZEOF_LONG)\r
-#endif\r
-\r
-#if LONG_BIT != 8 * SIZEOF_LONG\r
-/* 04-Oct-2000 LONG_BIT is apparently (mis)defined as 64 on some recent\r
- * 32-bit platforms using gcc. We try to catch that here at compile-time\r
- * rather than waiting for integer multiplication to trigger bogus\r
- * overflows.\r
- */\r
-#error "LONG_BIT definition appears wrong for platform (bad gcc/glibc config?)."\r
-#endif\r
-\r
-#ifdef __cplusplus\r
-}\r
-#endif\r
-\r
-/*\r
- * Hide GCC attributes from compilers that don't support them.\r
- */\r
-#if (!defined(__GNUC__) || __GNUC__ < 2 || \\r
- (__GNUC__ == 2 && __GNUC_MINOR__ < 7) ) && \\r
- !defined(RISCOS)\r
-#define Py_GCC_ATTRIBUTE(x)\r
-#else\r
-#define Py_GCC_ATTRIBUTE(x) __attribute__(x)\r
-#endif\r
-\r
-/*\r
- * Add PyArg_ParseTuple format where available.\r
- */\r
-#ifdef HAVE_ATTRIBUTE_FORMAT_PARSETUPLE\r
-#define Py_FORMAT_PARSETUPLE(func,p1,p2) __attribute__((format(func,p1,p2)))\r
-#else\r
-#define Py_FORMAT_PARSETUPLE(func,p1,p2)\r
-#endif\r
-\r
-/*\r
- * Specify alignment on compilers that support it.\r
- */\r
-#if defined(__GNUC__) && __GNUC__ >= 3\r
-#define Py_ALIGNED(x) __attribute__((aligned(x)))\r
-#else\r
-#define Py_ALIGNED(x)\r
-#endif\r
-\r
-/* Eliminate end-of-loop code not reached warnings from SunPro C\r
- * when using do{...}while(0) macros\r
- */\r
-#ifdef __SUNPRO_C\r
-#pragma error_messages (off,E_END_OF_LOOP_CODE_NOT_REACHED)\r
-#endif\r
-\r
-/*\r
- * Older Microsoft compilers don't support the C99 long long literal suffixes,\r
- * so these will be defined in PC/pyconfig.h for those compilers.\r
- */\r
-#ifndef Py_LL\r
-#define Py_LL(x) x##LL\r
-#endif\r
-\r
-#ifndef Py_ULL\r
-#define Py_ULL(x) Py_LL(x##U)\r
-#endif\r
-\r
-#endif /* Py_PYPORT_H */\r
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