/* Copyright (c) 2008, 2023, Oracle and/or its affiliates.
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License , version 2 . 0 ,
as published by the Free Software Foundation .
This program is also distributed with certain software ( including
but not limited to OpenSSL ) that is licensed under separate terms ,
as designated in a particular file or component or in included license
documentation . The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License , version 2 . 0 , for more details .
You should have received a copy of the GNU General Public License
along with this program ; if not , write to the Free Software Foundation ,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#include <my_global.h>
#include <my_sys.h>
#include <pfs_global.h>
#include "aligned.h"
#include "assume_aligned.h"
bool pfs_initialized= false ;
void *pfs_malloc(PFS_builtin_memory_class *klass, size_t size, myf flags)
{
size= MY_ALIGN(size, CPU_LEVEL1_DCACHE_LINESIZE);
void *ptr= aligned_malloc(size, CPU_LEVEL1_DCACHE_LINESIZE);
if (ptr && (flags & MY_ZEROFILL))
memset_aligned<CPU_LEVEL1_DCACHE_LINESIZE>(ptr, 0 , size);
return ptr;
}
void pfs_free(PFS_builtin_memory_class *, size_t, void *ptr)
{
aligned_free(ptr);
}
void *pfs_malloc_array(PFS_builtin_memory_class *klass, size_t n, size_t size, myf flags)
{
size_t array_size= n * size;
/* Check for overflow before allocating. */
if (is_overflow(array_size, n, size))
return NULL;
return pfs_malloc(klass, array_size, flags);
}
void pfs_free_array(PFS_builtin_memory_class *klass, size_t n, size_t size, void *ptr)
{
if (ptr == NULL)
return ;
size_t array_size= n * size;
return pfs_free(klass, array_size, ptr);
}
bool is_overflow(size_t product, size_t n1, size_t n2)
{
if (n1 != 0 && (product / n1 != n2))
return true ;
else
return false ;
}
void pfs_print_error(const char *format, ...)
{
/* Do not pollute the unit test output with annoying messages. */
}
Messung V0.5 in Prozent C=96 H=100 G=97
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-10-08)
¤
*© Formatika GbR, Deutschland