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my_static.h
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/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/*
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Static variables for mysys library. All definied here for easy making of
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a shared library
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*/
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#pragma once
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#include <signal.h>
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#define MIN_KEYBLOCK (min(IO_SIZE,1024))
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#define MAX_KEYBLOCK 8192
/* Max keyblocklength == 8*IO_SIZE */
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namespace
drizzled
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{
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namespace
internal
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{
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/*
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Structure that stores information of a allocated memory block
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The data is at &struct_adr+sizeof(ALIGN_SIZE(sizeof(struct irem)))
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The lspecialvalue is at the previous 4 bytes from this, which may not
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necessarily be in the struct if the struct size isn't aligned at a 8 byte
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boundary.
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*/
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class
irem
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{
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public
:
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irem
*next;
/* Linked list of structures */
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irem
*prev;
/* Other link */
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char
*filename;
/* File in which memory was new'ed */
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uint32_t linenum;
/* Line number in above file */
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uint32_t datasize;
/* Size requested */
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uint32_t SpecialValue;
/* Underrun marker value */
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irem
():
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next(NULL),
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prev(NULL),
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filename(0),
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linenum(0),
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datasize(0),
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SpecialValue(0)
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{}
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};
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extern
char
curr_dir[FN_REFLEN], home_dir_buff[FN_REFLEN];
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extern
volatile
int
_my_signals;
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extern
uint64_t query_performance_frequency, query_performance_offset;
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extern
sigset_t my_signals;
/* signals blocked by mf_brkhant */
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}
/* namespace internal */
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}
/* namespace drizzled */
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drizzled::internal::irem
Definition:
my_static.h:41
drizzled
internal
my_static.h
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