mirror of
https://github.com/MariaDB/server.git
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135 lines
4.5 KiB
C
135 lines
4.5 KiB
C
/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
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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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#include "mysys_priv.h"
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#include "my_static.h"
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#include "my_alarm.h"
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my_bool timed_mutexes= 0;
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/* from my_init */
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char * home_dir=0;
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const char *my_progname=0;
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char curr_dir[FN_REFLEN]= {0},
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home_dir_buff[FN_REFLEN]= {0};
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ulong my_stream_opened=0,my_file_opened=0, my_tmp_file_created=0;
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ulong my_file_total_opened= 0;
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int my_umask=0664, my_umask_dir=0777;
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struct st_my_file_info my_file_info_default[MY_NFILE];
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uint my_file_limit= MY_NFILE;
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struct st_my_file_info *my_file_info= my_file_info_default;
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/* From mf_brkhant */
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int my_dont_interrupt=0;
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volatile int _my_signals=0;
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struct st_remember _my_sig_remember[MAX_SIGNALS]={{0,0}};
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/* from mf_reccache.c */
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ulong my_default_record_cache_size=RECORD_CACHE_SIZE;
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/* from soundex.c */
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/* ABCDEFGHIJKLMNOPQRSTUVWXYZ */
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/* :::::::::::::::::::::::::: */
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const char *soundex_map= "01230120022455012623010202";
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/* from my_malloc */
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USED_MEM* my_once_root_block=0; /* pointer to first block */
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uint my_once_extra=ONCE_ALLOC_INIT; /* Memory to alloc / block */
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/* from my_largepage.c */
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#ifdef HAVE_LARGE_PAGES
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my_bool my_use_large_pages= 0;
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uint my_large_page_size= 0;
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#endif
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/* from my_alarm */
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int volatile my_have_got_alarm=0; /* declare variable to reset */
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ulong my_time_to_wait_for_lock=2; /* In seconds */
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/* from errors.c */
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#ifdef SHARED_LIBRARY
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const char *globerrs[GLOBERRS]; /* my_error_messages is here */
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#endif
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void (*my_abort_hook)(int) = (void(*)(int)) exit;
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void (*error_handler_hook)(uint error, const char *str, myf MyFlags)=
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my_message_stderr;
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void (*fatal_error_handler_hook)(uint error, const char *str, myf MyFlags)=
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my_message_stderr;
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static const char *proc_info_dummy(void *a __attribute__((unused)),
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const char *b __attribute__((unused)),
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const char *c __attribute__((unused)),
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const char *d __attribute__((unused)),
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const unsigned int e __attribute__((unused)))
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{
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return 0;
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}
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/* this is to be able to call set_thd_proc_info from the C code */
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const char *(*proc_info_hook)(void *, const char *, const char *, const char *,
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const unsigned int)= proc_info_dummy;
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#if defined(ENABLED_DEBUG_SYNC)
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/**
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Global pointer to be set if callback function is defined
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(e.g. in mysqld). See sql/debug_sync.cc.
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*/
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void (*debug_sync_C_callback_ptr)(const char *, size_t);
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#endif /* defined(ENABLED_DEBUG_SYNC) */
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#ifdef __WIN__
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/* from my_getsystime.c */
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ulonglong query_performance_frequency, query_performance_offset;
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#endif
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/* How to disable options */
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my_bool my_disable_locking=0;
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my_bool my_disable_async_io=0;
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my_bool my_disable_flush_key_blocks=0;
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my_bool my_disable_symlinks=0;
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/*
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Note that PSI_hook and PSI_server are unconditionally
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(no ifdef HAVE_PSI_INTERFACE) defined.
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This is to ensure binary compatibility between the server and plugins,
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in the case when:
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- the server is not compiled with HAVE_PSI_INTERFACE
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- a plugin is compiled with HAVE_PSI_INTERFACE
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See the doxygen documentation for the performance schema.
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*/
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/**
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Hook for the instrumentation interface.
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Code implementing the instrumentation interface should register here.
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*/
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struct PSI_bootstrap *PSI_hook= NULL;
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/**
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Instance of the instrumentation interface for the MySQL server.
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@todo This is currently a global variable, which is handy when
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compiling instrumented code that is bundled with the server.
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When dynamic plugin are truly supported, this variable will need
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to be replaced by a macro, so that each XYZ plugin can have it's own
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xyz_psi_server variable, obtained from PSI_bootstrap::get_interface()
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with the version used at compile time for plugin XYZ.
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*/
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PSI *PSI_server= NULL;
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