service_mysql_alloc.h File Reference

#include <stdlib.h>
#include "mysql/components/services/bits/psi_memory_bits.h"

Go to the source code of this file.

Classes
struct	mysql_malloc_service_st
	This service allows plugins to allocate and free memory through the server's memory handling routines. More...

Typedefs
typedef int	myf_t
typedef void *(*	mysql_malloc_t) (PSI_memory_key key, size_t size, myf_t flags)
typedef void *(*	mysql_realloc_t) (PSI_memory_key key, void *ptr, size_t size, myf_t flags)
typedef void(*	mysql_claim_t) (const void *ptr, bool claim)
typedef void(*	mysql_free_t) (void *ptr)
typedef void *(*	my_memdup_t) (PSI_memory_key key, const void *from, size_t length, myf_t flags)
typedef char *(*	my_strdup_t) (PSI_memory_key key, const char *from, myf_t flags)
typedef char *(*	my_strndup_t) (PSI_memory_key key, const char *from, size_t length, myf_t flags)

Functions
void *	my_malloc (PSI_memory_key key, size_t size, myf_t flags)
	Allocates size bytes of memory. More...
void *	my_realloc (PSI_memory_key key, void *ptr, size_t size, myf_t flags)
void	my_claim (const void *ptr, bool claim)
void	my_free (void *ptr)
	Frees the memory pointed by the ptr. More...
void *	my_memdup (PSI_memory_key key, const void *from, size_t length, myf_t flags)
char *	my_strdup (PSI_memory_key key, const char *from, myf_t flags)
char *	my_strndup (PSI_memory_key key, const char *from, size_t length, myf_t flags)

Variables
struct mysql_malloc_service_st *	mysql_malloc_service

Typedef Documentation

my_memdup_t

typedef void *(* my_memdup_t) (PSI_memory_key key, const void *from, size_t length, myf_t flags)

my_strdup_t

typedef char *(* my_strdup_t) (PSI_memory_key key, const char *from, myf_t flags)

my_strndup_t

typedef char *(* my_strndup_t) (PSI_memory_key key, const char *from, size_t length, myf_t flags)

myf_t

typedef int myf_t

mysql_claim_t

typedef void(* mysql_claim_t) (const void *ptr, bool claim)

mysql_free_t

typedef void(* mysql_free_t) (void *ptr)

mysql_malloc_t

typedef void *(* mysql_malloc_t) (PSI_memory_key key, size_t size, myf_t flags)

mysql_realloc_t

typedef void *(* mysql_realloc_t) (PSI_memory_key key, void *ptr, size_t size, myf_t flags)

Function Documentation

my_claim()

void my_claim	(	const void *	ptr,
		bool	claim
	)

my_free()

void my_free

(

void *

ptr

)

Frees the memory pointed by the ptr.

Parameters

ptr	memory address to be freed

my_malloc()

void * my_malloc	(	PSI_memory_key	key,
		size_t	size,
		myf_t	flags
	)

Allocates size bytes of memory.

Parameters

key	P_S key used for memory instrumentation
size	size bytes to allocate the memory
flags	used at the time of allocation. Could be MY_ZEROFILL

my_memdup()

void * my_memdup	(	PSI_memory_key	key,
		const void *	from,
		size_t	length,
		myf_t	flags
	)

my_realloc()

void * my_realloc	(	PSI_memory_key	key,
		void *	ptr,
		size_t	size,
		myf_t	flags
	)

my_strdup()

char * my_strdup	(	PSI_memory_key	key,
		const char *	from,
		myf_t	flags
	)

my_strndup()

char * my_strndup	(	PSI_memory_key	key,
		const char *	from,
		size_t	length,
		myf_t	flags
	)

Variable Documentation

mysql_malloc_service

struct mysql_malloc_service_st* mysql_malloc_service