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/* Copyright (C) 2000-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 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, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
Static variables for mysys library. All definied here for easy making of
a shared library
*/
#include "mysys_priv.h"
#include "my_static.h"
#include "my_alarm.h"
my_bool timed_mutexes= 0;
/* from my_init */
char * home_dir=0;
const char *my_progname= NULL, *my_progname_short= NULL;
char curr_dir[FN_REFLEN]= {0},
home_dir_buff[FN_REFLEN]= {0};
ulong my_stream_opened=0,my_file_opened=0, my_tmp_file_created=0;
ulong my_file_total_opened= 0;
int my_umask=0664, my_umask_dir=0777;
struct st_my_file_info my_file_info_default[MY_NFILE];
uint my_file_limit= MY_NFILE;
struct st_my_file_info *my_file_info= my_file_info_default;
/* From mf_brkhant */
int my_dont_interrupt=0;
volatile int _my_signals=0;
struct st_remember _my_sig_remember[MAX_SIGNALS]={{0,0}};
/* from mf_reccache.c */
ulong my_default_record_cache_size=RECORD_CACHE_SIZE;
/* from soundex.c */
/* ABCDEFGHIJKLMNOPQRSTUVWXYZ */
/* :::::::::::::::::::::::::: */
const char *soundex_map= "01230120022455012623010202";
/* from my_malloc */
USED_MEM* my_once_root_block=0; /* pointer to first block */
uint my_once_extra=ONCE_ALLOC_INIT; /* Memory to alloc / block */
/* from my_largepage.c */
#ifdef HAVE_LARGE_PAGES
my_bool my_use_large_pages= 0;
uint my_large_page_size= 0;
#endif
/* from my_alarm */
int volatile my_have_got_alarm=0; /* declare variable to reset */
ulong my_time_to_wait_for_lock=2; /* In seconds */
/* from errors.c */
#ifdef SHARED_LIBRARY
const char *globerrs[GLOBERRS]; /* my_error_messages is here */
#endif
void (*my_abort_hook)(int) = (void(*)(int)) exit;
void (*error_handler_hook)(uint error, const char *str, myf MyFlags)=
my_message_stderr;
void (*fatal_error_handler_hook)(uint error, const char *str, myf MyFlags)=
my_message_stderr;
static const char *proc_info_dummy(void *a __attribute__((unused)),
const char *b __attribute__((unused)),
const char *c __attribute__((unused)),
const char *d __attribute__((unused)),
const unsigned int e __attribute__((unused)))
{
return 0;
}
/* this is to be able to call set_thd_proc_info from the C code */
const char *(*proc_info_hook)(void *, const char *, const char *, const char *,
const unsigned int)= proc_info_dummy;
#if defined(ENABLED_DEBUG_SYNC)
/**
Global pointer to be set if callback function is defined
(e.g. in mysqld). See sql/debug_sync.cc.
*/
void (*debug_sync_C_callback_ptr)(const char *, size_t);
#endif /* defined(ENABLED_DEBUG_SYNC) */
/* How to disable options */
my_bool my_disable_locking=0;
my_bool my_disable_sync=0;
my_bool my_disable_async_io=0;
my_bool my_disable_flush_key_blocks=0;
my_bool my_disable_symlinks=0;
/*
Note that PSI_hook and PSI_server are unconditionally
(no ifdef HAVE_PSI_INTERFACE) defined.
This is to ensure binary compatibility between the server and plugins,
in the case when:
- the server is not compiled with HAVE_PSI_INTERFACE
- a plugin is compiled with HAVE_PSI_INTERFACE
See the doxygen documentation for the performance schema.
*/
/**
Hook for the instrumentation interface.
Code implementing the instrumentation interface should register here.
*/
struct PSI_bootstrap *PSI_hook= NULL;
/**
Instance of the instrumentation interface for the MySQL server.
@todo This is currently a global variable, which is handy when
compiling instrumented code that is bundled with the server.
When dynamic plugin are truly supported, this variable will need
to be replaced by a macro, so that each XYZ plugin can have it's own
xyz_psi_server variable, obtained from PSI_bootstrap::get_interface()
with the version used at compile time for plugin XYZ.
*/
PSI *PSI_server= NULL;
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