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/***************************************************************************
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Version control for database, common definitions, and include files
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(c) 1994 - 2000 Innobase Oy
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Created 1/20/1994 Heikki Tuuri
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****************************************************************************/
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/* If UNIV_WINNT is not defined, we assume Windows 95 */
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#define _WIN32_WINNT 0x0400
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/* DEBUG VERSION CONTROL
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===================== */
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/* Make a non-inline debug version */
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#define UNIV_MEM_DEBUG
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#define UNIV_SYNC_DEBUG
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#define UNIV_SEARCH_DEBUG
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#define UNIV_IBUF_DEBUG
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#define UNIV_SEARCH_PERF_STAT
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#define UNIV_SYNC_PERF_STAT
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#define UNIV_LIGHT_MEM_DEBUG
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#define UNIV_SQL_DEBUG
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#define UNIV_LOG_DEBUG
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/* the above option prevents forcing of log to disk
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at a buffer page write: it should be tested with this
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option off; also some ibuf tests are suppressed */
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#define UNIV_BASIC_LOG_DEBUG
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/* the above option enables basic recovery debugging:
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new allocated file pages are reset */
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/* The debug version is slower, thus we may change the length of test loops
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depending on the UNIV_DBC parameter */
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/* Definition for inline version */
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#define UNIV_INLINE __inline
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#elif defined(UNIV_GNUC)
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#define UNIV_INLINE extern __inline__
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/* If we want to compile a noninlined version we use the following macro
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#endif /* UNIV_DEBUG */
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/* If the compiler does not know inline specifier, we use: */
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#define UNIV_INLINE static
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MACHINE VERSION CONTROL
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=======================
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/* In a 32-bit computer word size is 4 */
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#define UNIV_WORD_SIZE 4
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/* The following alignment is used in memory allocations in memory heap
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management to ensure correct alignment for doubles etc. */
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#define UNIV_MEM_ALIGNMENT 8
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/* The following alignment is used in aligning lints etc. */
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#define UNIV_WORD_ALIGNMENT UNIV_WORD_SIZE
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DATABASE VERSION CONTROL
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========================
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/* The universal page size of the database */
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#define UNIV_PAGE_SIZE (2 * 8192)/* NOTE! Currently, this has to be a
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power of 2 and divisible by
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UNIV_MEM_ALIGNMENT */
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/* Do non-buffered io in buffer pool read/write operations */
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#define UNIV_NON_BUFFERED_IO
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/* Maximum number of parallel threads in a parallelized operation */
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#define UNIV_MAX_PARALLELISM 32
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UNIVERSAL TYPE DEFINITIONS
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==========================
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typedef unsigned char byte;
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/* An other basic type we use is unsigned long integer which is intended to be
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equal to the word size of the machine. */
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typedef unsigned long int ulint;
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typedef long int lint;
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/* The following type should be at least a 64-bit floating point number */
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typedef double utfloat;
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/* The 'undefined' value for a ulint */
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#define ULINT_UNDEFINED ((ulint)(-1))
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/* The undefined 32-bit unsigned integer */
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#define ULINT32_UNDEFINED 0xFFFFFFFF
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/* Maximum value for a ulint */
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#define ULINT_MAX ((ulint)(-2))
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/* Definition of the boolean type */
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/* The following number as the length of a logical field means that the field
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has the SQL NULL as its value. */
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#define UNIV_SQL_NULL ULINT_UNDEFINED
added
removed
innobase/include/univold.i
