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Diffstat (limited to 'storage/innobase/include/ut0ut.h')
| -rw-r--r-- | storage/innobase/include/ut0ut.h | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/storage/innobase/include/ut0ut.h b/storage/innobase/include/ut0ut.h deleted file mode 100644 index 95d7ba017f1..00000000000 --- a/storage/innobase/include/ut0ut.h +++ /dev/null @@ -1,323 +0,0 @@ -/********************************************************************** -Various utilities - -(c) 1994, 1995 Innobase Oy - -Created 1/20/1994 Heikki Tuuri -***********************************************************************/ - -#ifndef ut0ut_h -#define ut0ut_h - -#include "univ.i" -#include <time.h> -#ifndef MYSQL_SERVER -#include <ctype.h> -#endif - -typedef time_t ib_time_t; - -#ifdef HAVE_PAUSE_INSTRUCTION -#define PAUSE_INSTRUCTION() {__asm__ __volatile__ ("pause");} -#else -#ifdef HAVE_FAKE_PAUSE_INSTRUCTION -#define PAUSE_INSTRUCTION() {__asm__ __volatile__ ("rep; nop");} -#else -#ifdef UNIV_SYNC_ATOMIC -#define PAUSE_INSTRUCTION() \ - { \ - volatile lint volatile_var; \ - os_compare_and_swap(&volatile_var, 0, 1); \ - } -#else -#define PAUSE_INSTRUCTION() -#endif -#endif -#endif - -/************************************************************ -Gets the high 32 bits in a ulint. That is makes a shift >> 32, -but since there seem to be compiler bugs in both gcc and Visual C++, -we do this by a special conversion. */ - -ulint -ut_get_high32( -/*==========*/ - /* out: a >> 32 */ - ulint a); /* in: ulint */ -/********************************************************** -Calculates the minimum of two ulints. */ -UNIV_INLINE -ulint -ut_min( -/*===*/ - /* out: minimum */ - ulint n1, /* in: first number */ - ulint n2); /* in: second number */ -/********************************************************** -Calculates the maximum of two ulints. */ -UNIV_INLINE -ulint -ut_max( -/*===*/ - /* out: maximum */ - ulint n1, /* in: first number */ - ulint n2); /* in: second number */ -/******************************************************************** -Calculates minimum of two ulint-pairs. */ -UNIV_INLINE -void -ut_pair_min( -/*========*/ - ulint* a, /* out: more significant part of minimum */ - ulint* b, /* out: less significant part of minimum */ - ulint a1, /* in: more significant part of first pair */ - ulint b1, /* in: less significant part of first pair */ - ulint a2, /* in: more significant part of second pair */ - ulint b2); /* in: less significant part of second pair */ -/********************************************************** -Compares two ulints. */ -UNIV_INLINE -int -ut_ulint_cmp( -/*=========*/ - /* out: 1 if a > b, 0 if a == b, -1 if a < b */ - ulint a, /* in: ulint */ - ulint b); /* in: ulint */ -/*********************************************************** -Compares two pairs of ulints. */ -UNIV_INLINE -int -ut_pair_cmp( -/*========*/ - /* out: -1 if a < b, 0 if a == b, - 1 if a > b */ - ulint a1, /* in: more significant part of first pair */ - ulint a2, /* in: less significant part of first pair */ - ulint b1, /* in: more significant part of second pair */ - ulint b2); /* in: less significant part of second pair */ -/***************************************************************** -Calculates fast the remainder when divided by a power of two. */ -UNIV_INLINE -ulint -ut_2pow_remainder( -/*==============*/ /* out: remainder */ - ulint n, /* in: number to be divided */ - ulint m); /* in: divisor; power of 2 */ -/***************************************************************** -Calculates fast value rounded to a multiple of a power of 2. */ -UNIV_INLINE -ulint -ut_2pow_round( -/*==========*/ /* out: value of n rounded down to nearest - multiple of m */ - ulint n, /* in: number to be rounded */ - ulint m); /* in: divisor; power of 2 */ -/***************************************************************** -Calculates fast the 2-logarithm of a number, rounded upward to an -integer. */ -UNIV_INLINE -ulint -ut_2_log( -/*=====*/ - /* out: logarithm in the base 2, rounded upward */ - ulint n); /* in: number */ -/***************************************************************** -Calculates 2 to power n. */ -UNIV_INLINE -ulint -ut_2_exp( -/*=====*/ - /* out: 2 to power n */ - ulint n); /* in: number */ -/***************************************************************** -Calculates fast the number rounded up to the nearest power of 2. */ - -ulint -ut_2_power_up( -/*==========*/ - /* out: first power of 2 which is >= n */ - ulint n) /* in: number != 0 */ - __attribute__((const)); - -/* Determine how many bytes (groups of 8 bits) are needed to -store the given number of bits. */ -#define UT_BITS_IN_BYTES(b) (((b) + 7) / 8) - -/**************************************************************** -Sort function for ulint arrays. */ - -void -ut_ulint_sort(ulint* arr, ulint* aux_arr, ulint low, ulint high); -/*============================================================*/ -/************************************************************ -The following function returns elapsed CPU time in milliseconds. */ - -ulint -ut_clock(void); -/************************************************************** -Returns system time. We do not specify the format of the time returned: -the only way to manipulate it is to use the function ut_difftime. */ - -ib_time_t -ut_time(void); -/*=========*/ -/************************************************************** -Returns system time. -Upon successful completion, the value 0 is returned; otherwise the -value -1 is returned and the global variable errno is set to indicate the -error. */ - -int -ut_usectime( -/*========*/ - /* out: 0 on success, -1 otherwise */ - ulint* sec, /* out: seconds since the Epoch */ - ulint* ms); /* out: microseconds since the Epoch+*sec */ - -/************************************************************** -Returns diff in microseconds (end_sec,end_ms) - (start_sec,start_ms). */ - -ib_longlong -ut_usecdiff( -/*========*/ - ulint end_sec, /* in: seconds since the Epoch */ - ulint end_ms, /* in: microseconds since the Epoch+*sec1 */ - ulint start_sec, /* in: seconds since the Epoch */ - ulint start_ms); /* in: microseconds since the Epoch+*sec2 */ - -/************************************************************** -Returns the difference of two times in seconds. */ - -double -ut_difftime( -/*========*/ - /* out: time2 - time1 expressed in seconds */ - ib_time_t time2, /* in: time */ - ib_time_t time1); /* in: time */ -/************************************************************** -Prints a timestamp to a file. */ - -void -ut_print_timestamp( -/*===============*/ - FILE* file); /* in: file where to print */ -/************************************************************** -Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */ - -void -ut_sprintf_timestamp( -/*=================*/ - char* buf); /* in: buffer where to sprintf */ -/************************************************************** -Sprintfs a timestamp to a buffer with no spaces and with ':' characters -replaced by '_'. */ - -void -ut_sprintf_timestamp_without_extra_chars( -/*=====================================*/ - char* buf); /* in: buffer where to sprintf */ -/************************************************************** -Returns current year, month, day. */ - -void -ut_get_year_month_day( -/*==================*/ - ulint* year, /* out: current year */ - ulint* month, /* out: month */ - ulint* day); /* out: day */ -/***************************************************************** -Runs an idle loop on CPU. The argument gives the desired delay -in microseconds on 100 MHz Pentium + Visual C++. */ - -ulint -ut_delay( -/*=====*/ - /* out: dummy value */ - ulint delay); /* in: delay in microseconds on 100 MHz Pentium */ -/***************************************************************** -Prints the contents of a memory buffer in hex and ascii. */ - -void -ut_print_buf( -/*=========*/ - FILE* file, /* in: file where to print */ - const void* buf, /* in: memory buffer */ - ulint len); /* in: length of the buffer */ - -/************************************************************************** -Outputs a NUL-terminated file name, quoted with apostrophes. */ - -void -ut_print_filename( -/*==============*/ - FILE* f, /* in: output stream */ - const char* name); /* in: name to print */ - -/* Forward declaration of transaction handle */ -struct trx_struct; - -/************************************************************************** -Outputs a fixed-length string, quoted as an SQL identifier. -If the string contains a slash '/', the string will be -output as two identifiers separated by a period (.), -as in SQL database_name.identifier. */ - -void -ut_print_name( -/*==========*/ - FILE* f, /* in: output stream */ - struct trx_struct*trx, /* in: transaction */ - ibool table_id,/* in: TRUE=print a table name, - FALSE=print other identifier */ - const char* name); /* in: name to print */ - -/************************************************************************** -Outputs a fixed-length string, quoted as an SQL identifier. -If the string contains a slash '/', the string will be -output as two identifiers separated by a period (.), -as in SQL database_name.identifier. */ - -void -ut_print_namel( -/*===========*/ - FILE* f, /* in: output stream */ - struct trx_struct*trx, /* in: transaction (NULL=no quotes) */ - ibool table_id,/* in: TRUE=print a table name, - FALSE=print other identifier */ - const char* name, /* in: name to print */ - ulint namelen);/* in: length of name */ - -/************************************************************************** -Catenate files. */ - -void -ut_copy_file( -/*=========*/ - FILE* dest, /* in: output file */ - FILE* src); /* in: input file to be appended to output */ - -/************************************************************************** -snprintf(). */ - -#ifdef __WIN__ -int -ut_snprintf( - /* out: number of characters that would - have been printed if the size were - unlimited, not including the terminating - '\0'. */ - char* str, /* out: string */ - size_t size, /* in: str size */ - const char* fmt, /* in: format */ - ...); /* in: format values */ -#else -#define ut_snprintf snprintf -#endif /* __WIN__ */ - -#ifndef UNIV_NONINL -#include "ut0ut.ic" -#endif - -#endif - |