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Diffstat (limited to 'include/my_global.h')
| -rw-r--r-- | include/my_global.h | 1199 |
1 files changed, 1199 insertions, 0 deletions
diff --git a/include/my_global.h b/include/my_global.h new file mode 100644 index 00000000..54f76bf5 --- /dev/null +++ b/include/my_global.h @@ -0,0 +1,1199 @@ +/* + Copyright (c) 2001, 2013, Oracle and/or its affiliates. + Copyright (c) 2009, 2022, MariaDB Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +/* This is the include file that should be included 'first' in every C file. */ + +#ifndef MY_GLOBAL_INCLUDED +#define MY_GLOBAL_INCLUDED + +/* + MDEV-25602 Deprecate __WIN__ symbol. +*/ +#if defined (_MSC_VER) && !defined(__clang__) +#pragma deprecated("__WIN__") +#elif defined (__GNUC__) +#pragma GCC poison __WIN__ +#endif + +#if defined(_MSC_VER) && !defined(__clang__) +/* + Following functions have bugs, when used with UTF-8 active codepage. + #include <winservice.h> will use the non-buggy wrappers +*/ +#pragma deprecated("CreateServiceA", "OpenServiceA", "ChangeServiceConfigA") +#endif + +/* + InnoDB depends on some MySQL internals which other plugins should not + need. This is because of InnoDB's foreign key support, "safe" binlog + truncation, and other similar legacy features. + + We define accessors for these internals unconditionally, but do not + expose them in mysql/plugin.h. They are declared in ha_innodb.h for + InnoDB's use. +*/ +#define INNODB_COMPATIBILITY_HOOKS + +#ifdef __CYGWIN__ +/* We use a Unix API, so pretend it's not Windows */ +#undef WIN +#undef WIN32 +#undef _WIN +#undef _WIN32 +#undef _WIN64 +#undef _WIN32 +#undef __WIN32__ +#define HAVE_ERRNO_AS_DEFINE +#define _POSIX_MONOTONIC_CLOCK +#define _POSIX_THREAD_CPUTIME +#endif /* __CYGWIN__ */ + +#if defined(__OpenBSD__) && (OpenBSD >= 200411) +#define HAVE_ERRNO_AS_DEFINE +#endif + +#if defined(i386) && !defined(__i386__) +#define __i386__ +#endif + +/* Macros to make switching between C and C++ mode easier */ +#ifdef __cplusplus +#define C_MODE_START extern "C" { +#define C_MODE_END } +#else +#define C_MODE_START +#define C_MODE_END +#endif + +#ifdef __cplusplus +#define CPP_UNNAMED_NS_START namespace { +#define CPP_UNNAMED_NS_END } +#endif + +#include <my_config.h> + +#ifdef WITH_PERFSCHEMA_STORAGE_ENGINE +#define HAVE_PSI_INTERFACE +#endif /* WITH_PERFSCHEMA_STORAGE_ENGINE */ + +/* Make it easier to add conditional code in _expressions_ */ +#ifdef _WIN32 +#define IF_WIN(A,B) A +#else +#define IF_WIN(A,B) B +#endif + +#ifdef EMBEDDED_LIBRARY +#define IF_EMBEDDED(A,B) A +#else +#define IF_EMBEDDED(A,B) B +#endif + +#ifdef WITH_PARTITION_STORAGE_ENGINE +#define IF_PARTITIONING(A,B) A +#else +#define IF_PARTITIONING(A,B) B +#endif + +#if defined (_WIN32) +/* + off_t is 32 bit long. We do not use C runtime functions + with off_t but native Win32 file IO APIs, that work with + 64 bit offsets. +*/ +#undef SIZEOF_OFF_T +#define SIZEOF_OFF_T 8 + +/* + Prevent inclusion of Windows GDI headers - they define symbol + ERROR that conflicts with mysql headers. +*/ +#ifndef NOGDI +#define NOGDI +#endif + +/* Include common headers.*/ +#include <winsock2.h> +#include <ws2tcpip.h> /* SOCKET */ +#include <io.h> /* access(), chmod() */ +#include <process.h> /* getpid() */ + +#define sleep(a) Sleep((a)*1000) + +/* Define missing access() modes. */ +#define F_OK 0 +#define W_OK 2 +#define R_OK 4 /* Test for read permission. */ + +/* Define missing file locking constants. */ +#define F_RDLCK 1 +#define F_WRLCK 2 +#define F_UNLCK 3 +#define F_TO_EOF 0x3FFFFFFF + +#endif /* _WIN32*/ + +/* + The macros below are used to allow build of Universal/fat binaries of + MySQL and MySQL applications under darwin. +*/ +#if defined(__APPLE__) && defined(__MACH__) +# undef SIZEOF_CHARP +# undef SIZEOF_INT +# undef SIZEOF_LONG +# undef SIZEOF_LONG_LONG +# undef SIZEOF_OFF_T +# undef WORDS_BIGENDIAN +# define SIZEOF_INT 4 +# define SIZEOF_LONG_LONG 8 +# define SIZEOF_OFF_T 8 +# if defined(__i386__) || defined(__ppc__) +# define SIZEOF_CHARP 4 +# define SIZEOF_LONG 4 +# elif defined(__x86_64__) || defined(__ppc64__) || defined(__aarch64__) || defined(__arm64__) +# define SIZEOF_CHARP 8 +# define SIZEOF_LONG 8 +# else +# error Building FAT binary for an unknown architecture. +# endif +# if defined(__ppc__) || defined(__ppc64__) +# define WORDS_BIGENDIAN +# endif +#endif /* defined(__APPLE__) && defined(__MACH__) */ + + +/* + The macros below are borrowed from include/linux/compiler.h in the + Linux kernel. Use them to indicate the likelihood of the truthfulness + of a condition. This serves two purposes - newer versions of gcc will be + able to optimize for branch predication, which could yield siginficant + performance gains in frequently executed sections of the code, and the + other reason to use them is for documentation +*/ + +#if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) +#define __builtin_expect(x, expected_value) (x) +#endif + +/* Fix problem with S_ISLNK() on Linux */ +#if defined(TARGET_OS_LINUX) || defined(__GLIBC__) +#undef _GNU_SOURCE +#define _GNU_SOURCE 1 +#endif + +/* + Temporary solution to solve bug#7156. Include "sys/types.h" before + the thread headers, else the function madvise() will not be defined +*/ +#if defined(HAVE_SYS_TYPES_H) && ( defined(sun) || defined(__sun) ) +#include <sys/types.h> +#endif + +#define __EXTENSIONS__ 1 /* We want some extension */ +#ifndef __STDC_EXT__ +#define __STDC_EXT__ 1 /* To get large file support on hpux */ +#endif + +/* + Solaris 9 include file <sys/feature_tests.h> refers to X/Open document + + System Interfaces and Headers, Issue 5 + + saying we should define _XOPEN_SOURCE=500 to get POSIX.1c prototypes, + but apparently other systems (namely FreeBSD) don't agree. + + On a newer Solaris 10, the above file recognizes also _XOPEN_SOURCE=600. + Furthermore, it tests that if a program requires older standard + (_XOPEN_SOURCE<600 or _POSIX_C_SOURCE<200112L) it cannot be + run on a new compiler (that defines _STDC_C99) and issues an #error. + It's also an #error if a program requires new standard (_XOPEN_SOURCE=600 + or _POSIX_C_SOURCE=200112L) and a compiler does not define _STDC_C99. + + To add more to this mess, Sun Studio C compiler defines _STDC_C99 while + C++ compiler does not! + + So, in a desperate attempt to get correct prototypes for both + C and C++ code, we define either _XOPEN_SOURCE=600 or _XOPEN_SOURCE=500 + depending on the compiler's announced C standard support. + + Cleaner solutions are welcome. +*/ +#ifdef __sun +#if __STDC_VERSION__ - 0 >= 199901L +#define _XOPEN_SOURCE 600 +#else +#define _XOPEN_SOURCE 500 +#endif +#endif + + +#ifdef _AIX +/* + AIX includes inttypes.h from sys/types.h + Explicitly request format macros before the first inclusion of inttypes.h +*/ +#if !defined(__STDC_FORMAT_MACROS) +#define __STDC_FORMAT_MACROS +#endif // !defined(__STDC_FORMAT_MACROS) +#endif + + +#if !defined(_WIN32) +#ifndef _POSIX_PTHREAD_SEMANTICS +#define _POSIX_PTHREAD_SEMANTICS /* We want posix threads */ +#endif + +#if !defined(SCO) +#define _REENTRANT 1 /* Some thread libraries require this */ +#endif +#if !defined(_THREAD_SAFE) && !defined(_AIX) +#define _THREAD_SAFE /* Required for OSF1 */ +#endif +#if defined(HPUX10) || defined(HPUX11) +C_MODE_START /* HPUX needs this, signal.h bug */ +#include <pthread.h> +C_MODE_END +#else +#include <pthread.h> /* AIX must have this included first */ +#endif +#if !defined(SCO) && !defined(_REENTRANT) +#define _REENTRANT 1 /* Threads requires reentrant code */ +#endif +#endif /* !defined(_WIN32) */ + +/* gcc/egcs issues */ + +#if defined(__GNUC) && defined(__EXCEPTIONS) +#error "Please add -fno-exceptions to CXXFLAGS and reconfigure/recompile" +#endif + +#if defined(_lint) && !defined(lint) +#define lint +#endif + +#ifndef stdin +#include <stdio.h> +#endif +#include <stdarg.h> +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_STDDEF_H +#include <stddef.h> +#endif + +#include <math.h> +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +#ifdef HAVE_FLOAT_H +#include <float.h> +#endif +#ifdef HAVE_FENV_H +#include <fenv.h> /* For fesetround() */ +#endif + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif + +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#if TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# if HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# include <time.h> +# endif +#endif /* TIME_WITH_SYS_TIME */ +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#include <errno.h> /* Recommended by debian */ +/* We need the following to go around a problem with openssl on solaris */ +#if defined(HAVE_CRYPT_H) +#include <crypt.h> +#endif + +/* Add checking if we are using likely/unlikely wrong */ +#ifdef CHECK_UNLIKELY +C_MODE_START +extern void init_my_likely(), end_my_likely(FILE *); +extern int my_likely_ok(const char *file_name, uint line); +extern int my_likely_fail(const char *file_name, uint line); +C_MODE_END + +#define likely(A) ((A) ? (my_likely_ok(__FILE__, __LINE__),1) : (my_likely_fail(__FILE__, __LINE__), 0)) +#define unlikely(A) ((A) ? (my_likely_fail(__FILE__, __LINE__),1) : (my_likely_ok(__FILE__, __LINE__), 0)) +/* + These macros should be used when the check fails often when running benchmarks but + we know for sure that the check is correct in a production environment +*/ +#define checked_likely(A) (A) +#define checked_unlikely(A) (A) +#else +/** + The semantics of builtin_expect() are that + 1) its two arguments are long + 2) it's likely that they are == + Those of our likely(x) are that x can be bool/int/longlong/pointer. +*/ + +#define likely(x) __builtin_expect(((x) != 0),1) +#define unlikely(x) __builtin_expect(((x) != 0),0) +#define checked_likely(x) likely(x) +#define checked_unlikely(x) unlikely(x) +#endif /* CHECK_UNLIKELY */ + +/* + A lot of our programs uses asserts, so better to always include it + This also fixes a problem when people uses DBUG_ASSERT without including + assert.h +*/ +#include <assert.h> + +/* an assert that works at compile-time. only for constant expression */ +#ifdef _some_old_compiler_that_does_not_understand_the_construct_below_ +#define compile_time_assert(X) do { } while(0) +#else +#define compile_time_assert(X) \ + do \ + { \ + typedef char compile_time_assert[(X) ? 1 : -1] __attribute__((unused)); \ + } while(0) +#endif + +/* Go around some bugs in different OS and compilers */ +#if defined (HPUX11) && defined(_LARGEFILE_SOURCE) +#ifndef _LARGEFILE64_SOURCE +#define _LARGEFILE64_SOURCE +#endif +#endif + +#if defined(_HPUX_SOURCE) && defined(HAVE_SYS_STREAM_H) +#include <sys/stream.h> /* HPUX 10.20 defines ulong here. UGLY !!! */ +#define HAVE_ULONG +#endif +#if defined(HPUX10) && defined(_LARGEFILE64_SOURCE) +/* Fix bug in setrlimit */ +#undef setrlimit +#define setrlimit cma_setrlimit64 +#endif +/* Declare madvise where it is not declared for C++, like Solaris */ +#if HAVE_MADVISE && !HAVE_DECL_MADVISE && defined(__cplusplus) +extern "C" int madvise(void *addr, size_t len, int behav); +#endif +#ifdef HAVE_SYS_MMAN_H +#include <sys/mman.h> +#endif +/** FreeBSD equivalent */ +#if defined(MADV_CORE) && !defined(MADV_DODUMP) +#define MADV_DODUMP MADV_CORE +#define MADV_DONTDUMP MADV_NOCORE +#define DODUMP_STR "MADV_CORE" +#define DONTDUMP_STR "MADV_NOCORE" +#else +#define DODUMP_STR "MADV_DODUMP" +#define DONTDUMP_STR "MADV_DONTDUMP" +#endif + + +#define QUOTE_ARG(x) #x /* Quote argument (before cpp) */ +#define STRINGIFY_ARG(x) QUOTE_ARG(x) /* Quote argument, after cpp */ + +/* Paranoid settings. Define I_AM_PARANOID if you are paranoid */ +#ifdef I_AM_PARANOID +#define DONT_ALLOW_USER_CHANGE 1 +#define DONT_USE_MYSQL_PWD 1 +#endif + +/* Does the system remember a signal handler after a signal ? */ +#if !defined(HAVE_BSD_SIGNALS) && !defined(HAVE_SIGACTION) +#define SIGNAL_HANDLER_RESET_ON_DELIVERY +#endif + +/* don't assume that STDERR_FILENO is 2, mysqld can freopen */ +#undef STDERR_FILENO + +#ifndef SO_EXT +#ifdef _WIN32 +#define SO_EXT ".dll" +#else +#define SO_EXT ".so" +#endif +#endif + +/* + Suppress uninitialized variable warning without generating code. +*/ +#if defined(__GNUC__) +/* GCC specific self-initialization which inhibits the warning. */ +#define UNINIT_VAR(x) x= x +#elif defined(_lint) || defined(FORCE_INIT_OF_VARS) +#define UNINIT_VAR(x) x= 0 +#else +#define UNINIT_VAR(x) x +#endif + +/* This is only to be used when resetting variables in a class constructor */ +#if defined(_lint) || defined(FORCE_INIT_OF_VARS) +#define LINT_INIT(x) x= 0 +#else +#define LINT_INIT(x) +#endif + +#if !defined(HAVE_UINT) +#undef HAVE_UINT +#define HAVE_UINT +typedef unsigned int uint; +typedef unsigned short ushort; +#endif + +#define swap_variables(t, a, b) do { t dummy; dummy= a; a= b; b= dummy; } while(0) +#define MY_TEST(a) ((a) ? 1 : 0) +#define set_if_bigger(a,b) do { if ((a) < (b)) (a)=(b); } while(0) +#define set_if_smaller(a,b) do { if ((a) > (b)) (a)=(b); } while(0) +#define set_bits(type, bit_count) (sizeof(type)*8 <= (bit_count) ? ~(type) 0 : ((((type) 1) << (bit_count)) - (type) 1)) +#define test_all_bits(a,b) (((a) & (b)) == (b)) +#define array_elements(A) ((uint) (sizeof(A)/sizeof(A[0]))) + +/* Define some general constants */ +#ifndef TRUE +#define TRUE (1) /* Logical true */ +#define FALSE (0) /* Logical false */ +#endif + +#include <my_compiler.h> +#include <my_alloca.h> + +/* + Wen using the embedded library, users might run into link problems, + duplicate declaration of __cxa_pure_virtual, solved by declaring it a + weak symbol. +*/ +#if defined(USE_MYSYS_NEW) && ! defined(DONT_DECLARE_CXA_PURE_VIRTUAL) +C_MODE_START +int __cxa_pure_virtual () __attribute__ ((weak)); +C_MODE_END +#endif + +/* The DBUG_ON flag always takes precedence over default DBUG_OFF */ +#if defined(DBUG_ON) && defined(DBUG_OFF) +#undef DBUG_OFF +#endif + +/* We might be forced to turn debug off, if not turned off already */ +#if (defined(FORCE_DBUG_OFF) || defined(_lint)) && !defined(DBUG_OFF) +# define DBUG_OFF +# ifdef DBUG_ON +# undef DBUG_ON +# endif +#endif + +#ifdef DBUG_OFF +#undef EXTRA_DEBUG +#endif + +/* Some types that is different between systems */ + +typedef int File; /* File descriptor */ +#ifdef _WIN32 +typedef SOCKET my_socket; +#else +typedef int my_socket; /* File descriptor for sockets */ +#define INVALID_SOCKET -1 +#endif +/* Type for functions that handles signals */ +#define sig_handler RETSIGTYPE +#if defined(__GNUC__) && !defined(_lint) +typedef char pchar; /* Mixed prototypes can take char */ +typedef char puchar; /* Mixed prototypes can take char */ +typedef char pbool; /* Mixed prototypes can take char */ +typedef short pshort; /* Mixed prototypes can take short int */ +typedef float pfloat; /* Mixed prototypes can take float */ +#else +typedef int pchar; /* Mixed prototypes can't take char */ +typedef uint puchar; /* Mixed prototypes can't take char */ +typedef int pbool; /* Mixed prototypes can't take char */ +typedef int pshort; /* Mixed prototypes can't take short int */ +typedef double pfloat; /* Mixed prototypes can't take float */ +#endif +C_MODE_START +typedef int (*qsort_cmp)(const void *,const void *); +typedef int (*qsort_cmp2)(void*, const void *,const void *); +C_MODE_END +#define qsort_t RETQSORTTYPE /* Broken GCC can't handle typedef !!!! */ +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +typedef SOCKET_SIZE_TYPE size_socket; + +#ifndef SOCKOPT_OPTLEN_TYPE +#define SOCKOPT_OPTLEN_TYPE size_socket +#endif + +/* file create flags */ + +#ifndef O_SHARE /* Probably not windows */ +#define O_SHARE 0 /* Flag to my_open for shared files */ +#ifndef O_BINARY +#define O_BINARY 0 /* Flag to my_open for binary files */ +#endif +#ifndef FILE_BINARY +#define FILE_BINARY O_BINARY /* Flag to my_fopen for binary streams */ +#endif +#ifdef HAVE_FCNTL +#define HAVE_FCNTL_LOCK +#define F_TO_EOF 0L /* Param to lockf() to lock rest of file */ +#endif +#endif /* O_SHARE */ + +#ifndef O_SEQUENTIAL +#define O_SEQUENTIAL 0 +#endif +#ifndef O_SHORT_LIVED +#define O_SHORT_LIVED 0 +#endif +#ifndef O_NOFOLLOW +#define O_NOFOLLOW 0 +#endif +#ifndef O_CLOEXEC +#define O_CLOEXEC 0 +#endif +#ifdef __GLIBC__ +#define STR_O_CLOEXEC "e" +#else +#define STR_O_CLOEXEC "" +#endif +#ifndef SOCK_CLOEXEC +#define SOCK_CLOEXEC 0 +#else +#define HAVE_SOCK_CLOEXEC +#endif +#ifndef O_TEXT +#define O_TEXT 0 +#endif + +/* additional file share flags for win32 */ +#ifdef _WIN32 +#define _SH_DENYRWD 0x110 /* deny read/write mode & delete */ +#define _SH_DENYWRD 0x120 /* deny write mode & delete */ +#define _SH_DENYRDD 0x130 /* deny read mode & delete */ +#define _SH_DENYDEL 0x140 /* deny delete only */ +#endif /* _WIN32 */ + + +/* General constants */ +#define FN_LEN 256 /* Max file name len */ +#define FN_HEADLEN 253 /* Max length of filepart of file name */ +#define FN_EXTLEN 20 /* Max length of extension (part of FN_LEN) */ +#define FN_REFLEN 512 /* Max length of full path-name */ +#define FN_EXTCHAR '.' +#define FN_HOMELIB '~' /* ~/ is used as abbrev for home dir */ +#define FN_CURLIB '.' /* ./ is used as abbrev for current dir */ +#define FN_PARENTDIR ".." /* Parent directory; Must be a string */ + +#ifdef _WIN32 +#define FN_LIBCHAR '\\' +#define FN_LIBCHAR2 '/' +#define FN_DIRSEP "/\\" /* Valid directory separators */ +#define FN_EXEEXT ".exe" +#define FN_SOEXT ".dll" +#define FN_ROOTDIR "\\" +#define FN_DEVCHAR ':' +#define FN_NETWORK_DRIVES /* Uses \\ to indicate network drives */ +#define FN_NO_CASE_SENCE /* Files are not case-sensitive */ +#else +#define FN_LIBCHAR '/' +#define FN_LIBCHAR2 '/' +#define FN_DIRSEP "/" /* Valid directory separators */ +#define FN_EXEEXT "" +#define FN_SOEXT ".so" +#define FN_ROOTDIR "/" +#endif + +/* + MY_FILE_MIN is Windows speciality and is used to quickly detect + the mismatch of CRT and mysys file IO usage on Windows at runtime. + CRT file descriptors can be in the range 0-2047, whereas descriptors returned + by my_open() will start with 2048. If a file descriptor with value less then + MY_FILE_MIN is passed to mysys IO function, chances are it stems from + open()/fileno() and not my_open()/my_fileno. + + For Posix, mysys functions are light wrappers around libc, and MY_FILE_MIN + is logically 0. +*/ + +#ifdef _WIN32 +#define MY_FILE_MIN 2048 +#else +#define MY_FILE_MIN 0 +#endif + +/* + MY_NFILE is the default size of my_file_info array. + + It is larger on Windows, because it all file handles are stored in my_file_info + Default size is 16384 and this should be enough for most cases.If it is not + enough, --max-open-files with larger value can be used. + + For Posix , my_file_info array is only used to store filenames for + error reporting and its size is not a limitation for number of open files. +*/ +#ifdef _WIN32 +#define MY_NFILE (16384 + MY_FILE_MIN) +#else +#define MY_NFILE 64 +#endif + +#ifndef OS_FILE_LIMIT +#define OS_FILE_LIMIT UINT_MAX +#endif + +/* + Io buffer size; Must be a power of 2 and a multiple of 512. May be + smaller what the disk page size. This influences the speed of the + isam btree library. eg to big to slow. +*/ +#define IO_SIZE 4096U +/* + How much overhead does malloc have. The code often allocates + something like 1024-MALLOC_OVERHEAD bytes +*/ +#define MALLOC_OVERHEAD 8 + + /* get memory in huncs */ +#define ONCE_ALLOC_INIT (uint) 4096 + /* Typical record cache */ +#define RECORD_CACHE_SIZE (uint) (128*1024) + /* Typical key cache */ +#define KEY_CACHE_SIZE (uint) (128L*1024L*1024L) + /* Default size of a key cache block */ +#define KEY_CACHE_BLOCK_SIZE (uint) 1024 + + /* Some things that this system doesn't have */ + +#ifdef _WIN32 +#define NO_DIR_LIBRARY /* Not standard dir-library */ +#endif + +/* Some defines of functions for portability */ + +#undef remove /* Crashes MySQL on SCO 5.0.0 */ +#ifndef _WIN32 +#define closesocket(A) close(A) +#endif + +#if defined(_MSC_VER) +#if !defined(_WIN64) +inline double my_ulonglong2double(unsigned long long value) +{ + long long nr=(long long) value; + if (nr >= 0) + return (double) nr; + return (18446744073709551616.0 + (double) nr); +} +#define ulonglong2double my_ulonglong2double +#define my_off_t2double my_ulonglong2double +#endif /* _WIN64 */ +inline unsigned long long my_double2ulonglong(double d) +{ + double t= d - (double) 0x8000000000000000ULL; + + if (t >= 0) + return ((unsigned long long) t) + 0x8000000000000000ULL; + return (unsigned long long) d; +} +#define double2ulonglong my_double2ulonglong +#endif + +#ifndef ulonglong2double +#define ulonglong2double(A) ((double) (ulonglong) (A)) +#define my_off_t2double(A) ((double) (my_off_t) (A)) +#endif +#ifndef double2ulonglong +#define double2ulonglong(A) ((ulonglong) (double) (A)) +#endif + +#ifndef offsetof +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) +#endif +#define ulong_to_double(X) ((double) (ulong) (X)) + +#ifndef STACK_DIRECTION +#error "please add -DSTACK_DIRECTION=1 or -1 to your CPPFLAGS" +#endif + +#if !defined(HAVE_STRTOK_R) +#define strtok_r(A,B,C) strtok((A),(B)) +#endif + +#if SIZEOF_LONG_LONG >= 8 +#define HAVE_LONG_LONG 1 +#else +#error WHAT? sizeof(long long) < 8 ??? +#endif + +/* + Some pre-ANSI-C99 systems like AIX 5.1 and Linux/GCC 2.95 define + ULONGLONG_MAX, LONGLONG_MIN, LONGLONG_MAX; we use them if they're defined. +*/ + +#if defined(HAVE_LONG_LONG) && !defined(LONGLONG_MIN) +#define LONGLONG_MIN ((long long) 0x8000000000000000LL) +#define LONGLONG_MAX ((long long) 0x7FFFFFFFFFFFFFFFLL) +#endif +/* Max length needed for a buffer to hold a longlong or ulonglong + end \0 */ +#define LONGLONG_BUFFER_SIZE 21 + +#if defined(HAVE_LONG_LONG) && !defined(ULONGLONG_MAX) +/* First check for ANSI C99 definition: */ +#ifdef ULLONG_MAX +#define ULONGLONG_MAX ULLONG_MAX +#else +#define ULONGLONG_MAX ((unsigned long long)(~0ULL)) +#endif +#endif /* defined (HAVE_LONG_LONG) && !defined(ULONGLONG_MAX)*/ + +#define INT_MIN64 (~0x7FFFFFFFFFFFFFFFLL) +#define INT_MAX64 0x7FFFFFFFFFFFFFFFLL +#define INT_MIN32 (~0x7FFFFFFFL) +#define INT_MAX32 0x7FFFFFFFL +#define UINT_MAX32 0xFFFFFFFFL +#define INT_MIN24 (~0x007FFFFF) +#define INT_MAX24 0x007FFFFF +#define UINT_MAX24 0x00FFFFFF +#define INT_MIN16 (~0x7FFF) +#define INT_MAX16 0x7FFF +#define UINT_MAX16 0xFFFF +#define INT_MIN8 (~0x7F) +#define INT_MAX8 0x7F +#define UINT_MAX8 0xFF + +/* From limits.h instead */ +#ifndef DBL_MIN +#define DBL_MIN 4.94065645841246544e-324 +#define FLT_MIN ((float)1.40129846432481707e-45) +#endif +#ifndef DBL_MAX +#define DBL_MAX 1.79769313486231470e+308 +#define FLT_MAX ((float)3.40282346638528860e+38) +#endif +#ifndef SIZE_T_MAX +#define SIZE_T_MAX (~((size_t) 0)) +#endif + +/* Define missing math constants. */ +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif +#ifndef M_E +#define M_E 2.7182818284590452354 +#endif +#ifndef M_LN2 +#define M_LN2 0.69314718055994530942 +#endif + +/* + Max size that must be added to a so that we know Size to make + addressable obj. +*/ +#if SIZEOF_CHARP == 4 +typedef long my_ptrdiff_t; +#else +typedef long long my_ptrdiff_t; +#endif + +#define MY_ALIGN(A,L) (((A) + (L) - 1) & ~((L) - 1)) +#define MY_ALIGN_DOWN(A,L) ((A) & ~((L) - 1)) +#define ALIGN_SIZE(A) MY_ALIGN((A),sizeof(double)) +#define ALIGN_MAX_UNIT (sizeof(double)) +/* Size to make addressable obj. */ +#define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A), sizeof(double))) +#define ADD_TO_PTR(ptr,size,type) (type) ((uchar*) (ptr)+size) +#define PTR_BYTE_DIFF(A,B) (my_ptrdiff_t) ((uchar*) (A) - (uchar*) (B)) +#define PREV_BITS(type,A) ((type) (((type) 1 << (A)) -1)) + +/* + Custom version of standard offsetof() macro which can be used to get + offsets of members in class for non-POD types (according to the current + version of C++ standard offsetof() macro can't be used in such cases and + attempt to do so causes warnings to be emitted, OTOH in many cases it is + still OK to assume that all instances of the class has the same offsets + for the same members). + + This is temporary solution which should be removed once File_parser class + and related routines are refactored. +*/ + +#define my_offsetof(TYPE, MEMBER) PTR_BYTE_DIFF(&((TYPE *)0x10)->MEMBER, 0x10) + +#define NullS (char *) 0 + +#ifdef STDCALL +#undef STDCALL +#endif + +#ifdef _WIN32 +#define STDCALL __stdcall +#else +#define STDCALL +#endif + +/* Typdefs for easier portability */ + +#ifndef HAVE_UCHAR +typedef unsigned char uchar; /* Short for unsigned char */ +#endif + +#ifndef HAVE_INT8 +typedef signed char int8; /* Signed integer >= 8 bits */ +#endif +#ifndef HAVE_UINT8 +typedef unsigned char uint8; /* Unsigned integer >= 8 bits */ +#endif +#ifndef HAVE_INT16 +typedef short int16; +#endif +#ifndef HAVE_UINT16 +typedef unsigned short uint16; +#endif +#if SIZEOF_INT == 4 +#ifndef HAVE_INT32 +typedef int int32; +#endif +#ifndef HAVE_UINT32 +typedef unsigned int uint32; +#endif +#elif SIZEOF_LONG == 4 +#ifndef HAVE_INT32 +typedef long int32; +#endif +#ifndef HAVE_UINT32 +typedef unsigned long uint32; +#endif +#else +#error Neither int or long is of 4 bytes width +#endif + +#if !defined(HAVE_ULONG) && !defined(__USE_MISC) +typedef unsigned long ulong; /* Short for unsigned long */ +#endif +#ifndef longlong_defined +/* + Using [unsigned] long long is preferable as [u]longlong because we use + [unsigned] long long unconditionally in many places, + for example in constants with [U]LL suffix. +*/ +#if defined(HAVE_LONG_LONG) && SIZEOF_LONG_LONG == 8 +typedef unsigned long long int ulonglong; /* ulong or unsigned long long */ +typedef long long int longlong; +#else +typedef unsigned long ulonglong; /* ulong or unsigned long long */ +typedef long longlong; +#endif +#endif +#ifndef HAVE_INT64 +typedef longlong int64; +#endif +#ifndef HAVE_UINT64 +typedef ulonglong uint64; +#endif + +#if defined(NO_CLIENT_LONG_LONG) +typedef unsigned long my_ulonglong; +#elif defined (_WIN32) +typedef unsigned __int64 my_ulonglong; +#else +typedef unsigned long long my_ulonglong; +#endif + +#if SIZEOF_CHARP == SIZEOF_INT +typedef unsigned int intptr; +#elif SIZEOF_CHARP == SIZEOF_LONG +typedef unsigned long intptr; +#elif SIZEOF_CHARP == SIZEOF_LONG_LONG +typedef unsigned long long intptr; +#else +#error sizeof(void *) is neither sizeof(int) nor sizeof(long) nor sizeof(long long) +#endif + +#define MY_ERRPTR ((void*)(intptr)1) + +#if defined(_WIN32) +typedef unsigned long long my_off_t; +typedef unsigned long long os_off_t; +#else +typedef off_t os_off_t; +#if SIZEOF_OFF_T > 4 +typedef ulonglong my_off_t; +#else +typedef unsigned long my_off_t; +#endif +#endif /*_WIN32*/ +#define MY_FILEPOS_ERROR (~(my_off_t) 0) + +/* + TODO Convert these to use Bitmap class. + */ +typedef ulonglong table_map; /* Used for table bits in join */ + +/* often used type names - opaque declarations */ +typedef const struct charset_info_st CHARSET_INFO; +typedef struct st_mysql_lex_string LEX_STRING; + +#if defined(_WIN32) +#define socket_errno WSAGetLastError() +#define SOCKET_EINTR WSAEINTR +#define SOCKET_ETIMEDOUT WSAETIMEDOUT +#define SOCKET_EWOULDBLOCK WSAEWOULDBLOCK +#define SOCKET_EADDRINUSE WSAEADDRINUSE +#define SOCKET_ECONNRESET WSAECONNRESET +#define SOCKET_ENFILE ENFILE +#define SOCKET_EMFILE EMFILE +#else /* Unix */ +#define socket_errno errno +#define closesocket(A) close(A) +#define SOCKET_EINTR EINTR +#define SOCKET_EAGAIN EAGAIN +#define SOCKET_EWOULDBLOCK EWOULDBLOCK +#define SOCKET_EADDRINUSE EADDRINUSE +#define SOCKET_ETIMEDOUT ETIMEDOUT +#define SOCKET_ECONNRESET ECONNRESET +#define SOCKET_ENFILE ENFILE +#define SOCKET_EMFILE EMFILE +#endif + +#include <mysql/plugin.h> /* my_bool */ + +typedef ulong myf; /* Type of MyFlags in my_funcs */ + +#define MYF(v) (myf) (v) + +/* + Defines to make it possible to prioritize register assignments. No + longer that important with modern compilers. +*/ +#ifndef USING_X +#define reg1 register +#define reg2 register +#define reg3 register +#define reg4 register +#define reg5 register +#define reg6 register +#define reg7 register +#define reg8 register +#define reg9 register +#define reg10 register +#define reg11 register +#define reg12 register +#define reg13 register +#define reg14 register +#define reg15 register +#define reg16 register +#endif + +/* + MYSQL_PLUGIN_IMPORT macro is used to export mysqld data + (i.e variables) for usage in storage engine loadable plugins. + Outside of Windows, it is dummy. +*/ +#ifndef MYSQL_PLUGIN_IMPORT +#if (defined(_WIN32) && defined(MYSQL_DYNAMIC_PLUGIN)) +#define MYSQL_PLUGIN_IMPORT __declspec(dllimport) +#else +#define MYSQL_PLUGIN_IMPORT +#endif +#endif + +#include <my_dbug.h> + +/* Some helper macros */ +#define YESNO(X) ((X) ? "yes" : "no") + +#define MY_HOW_OFTEN_TO_ALARM 2 /* How often we want info on screen */ +#define MY_HOW_OFTEN_TO_WRITE 10000 /* How often we want info on screen */ + +#include <my_byteorder.h> + +#ifdef HAVE_CHARSET_utf8mb4 +#define MYSQL_UNIVERSAL_CLIENT_CHARSET "utf8mb4" +#elif defined(HAVE_CHARSET_utf8mb3) +#define MYSQL_UNIVERSAL_CLIENT_CHARSET "utf8mb3" +#else +#define MYSQL_UNIVERSAL_CLIENT_CHARSET MYSQL_DEFAULT_CHARSET_NAME +#endif + +#if defined(EMBEDDED_LIBRARY) && !defined(HAVE_EMBEDDED_PRIVILEGE_CONTROL) +#define NO_EMBEDDED_ACCESS_CHECKS +#endif + +#ifdef _WIN32 +#define dlsym(lib, name) (void*)GetProcAddress((HMODULE)lib, name) +#define dlopen(libname, unused) LoadLibraryEx(libname, NULL, 0) +#define RTLD_DEFAULT GetModuleHandle(NULL) +#define dlclose(lib) FreeLibrary((HMODULE)lib) +static inline char *dlerror(void) +{ + static char win_errormsg[2048]; + FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS | + FORMAT_MESSAGE_MAX_WIDTH_MASK, + 0, GetLastError(), + MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), + win_errormsg, 2048, NULL); + return win_errormsg; +} +#define HAVE_DLOPEN 1 +#define HAVE_DLERROR 1 +#endif + +#ifdef HAVE_DLFCN_H +#include <dlfcn.h> +#endif + +#ifdef HAVE_DLOPEN +#ifndef HAVE_DLERROR +#define dlerror() "" +#endif +#ifndef HAVE_DLADDR +#define dladdr(A, B) 0 +/* Dummy definition in case we're missing dladdr() */ +typedef struct { const char *dli_fname, dli_fbase; } Dl_info; +#endif +#else +#define dlerror() "No support for dynamic loading (static build?)" +#define dlopen(A,B) 0 +#define dlsym(A,B) 0 +#define dlclose(A) 0 +#define dladdr(A, B) 0 +/* Dummy definition in case we're missing dladdr() */ +typedef struct { const char *dli_fname, dli_fbase; } Dl_info; +#endif + +/* + * Include standard definitions of operator new and delete. + */ +#ifdef __cplusplus +#include <new> +#endif + +/* Length of decimal number represented by INT32. */ +#define MY_INT32_NUM_DECIMAL_DIGITS 11 + +/* Length of decimal number represented by INT64. */ +#define MY_INT64_NUM_DECIMAL_DIGITS 21 + +#ifdef __cplusplus +#include <limits> /* should be included before min/max macros */ +#endif + +/* Define some useful general macros (should be done after all headers). */ +#define MY_MAX(a, b) ((a) > (b) ? (a) : (b)) +#define MY_MIN(a, b) ((a) < (b) ? (a) : (b)) + +#define CMP_NUM(a,b) (((a) < (b)) ? -1 : ((a) == (b)) ? 0 : 1) + +/* + Only Linux is known to need an explicit sync of the directory to make sure a + file creation/deletion/renaming in(from,to) this directory durable. +*/ +#ifdef TARGET_OS_LINUX +#define NEED_EXPLICIT_SYNC_DIR 1 +#else +/* + On linux default rwlock scheduling policy is good enough for + waiting_threads.c, on other systems use our special implementation + (which is slower). + + QQ perhaps this should be tested in configure ? how ? +*/ +#define WT_RWLOCKS_USE_MUTEXES 1 +#endif + +#if !defined(__cplusplus) && !defined(bool) +#define bool In_C_you_should_use_my_bool_instead() +#endif + +/* Provide __func__ macro definition for platforms that miss it. */ +#if !defined (__func__) +#if defined(__STDC_VERSION__) && __STDC_VERSION__ < 199901L +# if __GNUC__ >= 2 +# define __func__ __FUNCTION__ +# else +# define __func__ "<unknown>" +# endif +#elif defined(_MSC_VER) +# if _MSC_VER < 1300 +# define __func__ "<unknown>" +# else +# define __func__ __FUNCTION__ +# endif +#elif defined(__BORLANDC__) +# define __func__ __FUNC__ +#else +# define __func__ "<unknown>" +#endif +#endif /* !defined(__func__) */ + +/* Defines that are unique to the embedded version of MySQL */ + +#ifdef EMBEDDED_LIBRARY + +/* Things we don't need in the embedded version of MySQL */ +/* TODO HF add #undef HAVE_VIO if we don't want client in embedded library */ + +#else +#define HAVE_REPLICATION +#define HAVE_EXTERNAL_CLIENT +#endif /* EMBEDDED_LIBRARY */ + +/* + Provide defaults for the CPU cache line size, if it has not been detected by + CMake using getconf +*/ +#if !defined(CPU_LEVEL1_DCACHE_LINESIZE) || CPU_LEVEL1_DCACHE_LINESIZE == 0 + #if defined(CPU_LEVEL1_DCACHE_LINESIZE) && CPU_LEVEL1_DCACHE_LINESIZE == 0 + #undef CPU_LEVEL1_DCACHE_LINESIZE + #endif + + #if defined(__s390__) + #define CPU_LEVEL1_DCACHE_LINESIZE 256 + #elif defined(__powerpc__) || defined(__aarch64__) + #define CPU_LEVEL1_DCACHE_LINESIZE 128 + #else + #define CPU_LEVEL1_DCACHE_LINESIZE 64 + #endif +#endif + +#define FLOATING_POINT_DECIMALS 31 + +/* Keep client compatible with earlier versions */ +#ifdef MYSQL_SERVER +#define NOT_FIXED_DEC DECIMAL_NOT_SPECIFIED +#else +#define NOT_FIXED_DEC FLOATING_POINT_DECIMALS +#endif +#endif /* my_global_h */ |