The wait array used in synchronization primitives, implementation details. More...

#include "sync0arr.h"
#include "sync0rw.h"

Classes
union	sync_object_t
	The latch types that use the sync array. More...

struct	sync_cell_t
	A cell where an individual thread may wait suspended until a resource is released. More...

struct	sync_array_t
	Synchronization array. More...

Typedefs
typedef SyncArrayMutex::MutexType	WaitMutex

typedef BlockSyncArrayMutex::MutexType	BlockWaitMutex

Functions
static void	sync_array_exit (sync_array_t *a)

static void	sync_array_enter (sync_array_t *a)

sync_cell_t *	sync_array_get_nth_cell (sync_array_t *arr, ulint n)
	Gets the nth cell in array. More...

void	sync_array_cell_print (FILE file, const sync_cell_t cell)
	Reports info of a wait array cell into a file. More...

Variables
ulint	sync_array_size
	Locally stored copy of srv_sync_array_size. More...

sync_array_t **	sync_wait_array
	The global array of wait cells for implementation of the database's own mutexes and read-write locks. More...

Detailed Description

The wait array used in synchronization primitives, implementation details.

Typedef Documentation

◆ BlockWaitMutex

typedef BlockSyncArrayMutex::MutexType BlockWaitMutex

◆ WaitMutex

typedef SyncArrayMutex::MutexType WaitMutex

Function Documentation

◆ sync_array_cell_print()

void sync_array_cell_print	(	FILE *	file,
		const sync_cell_t *	cell
	)

Reports info of a wait array cell into a file.

Parameters

[in]	file	File where to print.
[in]	cell	Sync array cell to report.

◆ sync_array_enter()

static void sync_array_enter ( sync_array_t * a )

inlinestatic

◆ sync_array_exit()

static void sync_array_exit ( sync_array_t * a )

inlinestatic

◆ sync_array_get_nth_cell()

sync_cell_t * sync_array_get_nth_cell	(	sync_array_t *	arr,
		ulint	n
	)

Gets the nth cell in array.

Parameters

[in]	arr	Sync array to get cell from.
[in]	n	Index of cell to retrieve.

Returns: cell

Variable Documentation

◆ sync_array_size

ulint sync_array_size

extern

Locally stored copy of srv_sync_array_size.

◆ sync_wait_array

sync_array_t** sync_wait_array