basics.h File Reference

#include "w_defines.h"
#include "w_base.h"
#include <atomic>

Go to the source code of this file.

Classes
struct	GeneralRecordIds
	Defines constant values/methods for general_recordid_t. More...

Typedefs
typedef uint32_t	smsize_t
typedef uint32_t	PageID
typedef uint32_t	StoreID
typedef int32_t	run_number_t
typedef int16_t	slotid_t
typedef uint32_t	bf_idx
typedef std::atomic< uint32_t >	atomic_bf_idx
typedef std::pair< bf_idx, bf_idx >	bf_idx_pair
typedef std::pair< std::atomic< bf_idx >, std::atomic< bf_idx > >	atomic_bf_idx_pair
typedef int16_t	general_recordid_t
	An integer to point to any record in B-tree pages. More...

Functions
int	u4i (uint32_t x)
bool	is_aligned (smsize_t sz)
bool	is_aligned (const void *p)

Variables
const int32_t	max_int4 = 0x7fffffff
const int32_t	max_int4_minus1 = max_int4 - 1
const int32_t	min_int4 = 0x80000000
const uint16_t	max_uint2 = 0xffff
const uint16_t	min_uint2 = 0
const uint32_t	max_uint4 = 0xffffffff
const uint32_t	min_uint4 = 0

Typedef Documentation

atomic_bf_idx

typedef std::atomic<uint32_t> atomic_bf_idx

atomic_bf_idx_pair

typedef std::pair<std::atomic<bf_idx>, std::atomic<bf_idx> > atomic_bf_idx_pair

bf_idx

typedef uint32_t bf_idx

bf_idx_pair

typedef std::pair<bf_idx, bf_idx> bf_idx_pair

general_recordid_t

typedef int16_t general_recordid_t

An integer to point to any record in B-tree pages.

-1 if foster-child, 0 if pid0, 1 or larger if real child. Same as slotid_t, but used to avoid confusion.

PageID

typedef uint32_t PageID

run_number_t

typedef int32_t run_number_t

slotid_t

typedef int16_t slotid_t

smsize_t

typedef uint32_t smsize_t

StoreID

typedef uint32_t StoreID

Function Documentation

is_aligned() [1/2]

bool is_aligned ( smsize_t  sz )

inline

is_aligned() [2/2]

bool is_aligned ( const void *  p )

inline

u4i()

int u4i ( uint32_t  x )

inline

Variable Documentation

max_int4

const int32_t max_int4 = 0x7fffffff

max_int4_minus1

const int32_t max_int4_minus1 = max_int4 - 1

max_uint2

const uint16_t max_uint2 = 0xffff

max_uint4

const uint32_t max_uint4 = 0xffffffff

min_int4

const int32_t min_int4 = 0x80000000

min_uint2

const uint16_t min_uint2 = 0

min_uint4

const uint32_t min_uint4 = 0