mysys_priv.h

/* Copyright (c) 2000, 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.

   Without limiting anything contained in the foregoing, this file,
   which is part of C Driver for MySQL (Connector/C), is also subject to the
   Universal FOSS Exception, version 1.0, a copy of which can be found at
   http://oss.oracle.com/licenses/universal-foss-exception.

   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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#ifndef MYSYS_PRIV_INCLUDED
#define MYSYS_PRIV_INCLUDED

#include "my_global.h"
#include "mysql/psi/mysql_thread.h"

#ifdef HAVE_PSI_INTERFACE

#include <mysql/psi/mysql_file.h>
#include <mysql/psi/mysql_thread.h>

C_MODE_START

extern PSI_mutex_key key_BITMAP_mutex, key_IO_CACHE_append_buffer_lock,
  key_IO_CACHE_SHARE_mutex, key_KEY_CACHE_cache_lock,
  key_THR_LOCK_charset, key_THR_LOCK_heap,
  key_THR_LOCK_lock, key_THR_LOCK_malloc,
  key_THR_LOCK_mutex, key_THR_LOCK_myisam, key_THR_LOCK_net,
  key_THR_LOCK_open, key_THR_LOCK_threads,
  key_TMPDIR_mutex, key_THR_LOCK_myisam_mmap;

extern PSI_rwlock_key key_SAFE_HASH_lock;

extern PSI_cond_key key_IO_CACHE_SHARE_cond,
  key_IO_CACHE_SHARE_cond_writer,
  key_THR_COND_threads;

#endif /* HAVE_PSI_INTERFACE */

extern PSI_stage_info stage_waiting_for_table_level_lock;

extern mysql_mutex_t THR_LOCK_malloc, THR_LOCK_open, THR_LOCK_keycache;
extern mysql_mutex_t THR_LOCK_lock, THR_LOCK_net;
extern mysql_mutex_t THR_LOCK_charset;

#ifdef HAVE_PSI_INTERFACE
#ifdef HAVE_LINUX_LARGE_PAGES
extern PSI_file_key key_file_proc_meminfo;
#endif /* HAVE_LINUX_LARGE_PAGES */
extern PSI_file_key key_file_charset;

C_MODE_END

#endif /* HAVE_PSI_INTERFACE */

/* These keys are always defined. */

C_MODE_START

extern PSI_memory_key key_memory_charset_file;
extern PSI_memory_key key_memory_charset_loader;
extern PSI_memory_key key_memory_lf_node;
extern PSI_memory_key key_memory_lf_dynarray;
extern PSI_memory_key key_memory_lf_slist;
extern PSI_memory_key key_memory_LIST;
extern PSI_memory_key key_memory_IO_CACHE;
extern PSI_memory_key key_memory_KEY_CACHE;
extern PSI_memory_key key_memory_SAFE_HASH_ENTRY;
extern PSI_memory_key key_memory_MY_TMPDIR_full_list;
extern PSI_memory_key key_memory_MY_BITMAP_bitmap;
extern PSI_memory_key key_memory_my_compress_alloc;
extern PSI_memory_key key_memory_pack_frm;
extern PSI_memory_key key_memory_my_err_head;
extern PSI_memory_key key_memory_my_file_info;
extern PSI_memory_key key_memory_MY_DIR;
extern PSI_memory_key key_memory_MY_STAT;
extern PSI_memory_key key_memory_QUEUE;
extern PSI_memory_key key_memory_DYNAMIC_STRING;
extern PSI_memory_key key_memory_TREE;
extern PSI_memory_key key_memory_defaults;

#ifdef _WIN32
extern PSI_memory_key key_memory_win_SECURITY_ATTRIBUTES;
extern PSI_memory_key key_memory_win_PACL;
extern PSI_memory_key key_memory_win_IP_ADAPTER_ADDRESSES;
#endif

C_MODE_END

/*
  EDQUOT is used only in 3 C files only in mysys/. If it does not exist on
  system, we set it to some value which can never happen.
*/
#ifndef EDQUOT
#define EDQUOT (-1)
#endif

void my_error_unregister_all(void);

#ifdef _WIN32
#include <sys/stat.h>
/* my_winfile.c exports, should not be used outside mysys */
extern File     my_win_open(const char *path, int oflag);
extern int      my_win_close(File fd);
extern size_t   my_win_read(File fd, uchar *buffer, size_t  count);
extern size_t   my_win_write(File fd, const uchar *buffer, size_t count);
extern size_t   my_win_pread(File fd, uchar *buffer, size_t count, 
                             my_off_t offset);
extern size_t   my_win_pwrite(File fd, const uchar *buffer, size_t count, 
                              my_off_t offset);
extern my_off_t my_win_lseek(File fd, my_off_t pos, int whence);
extern int      my_win_chsize(File fd,  my_off_t newlength);
extern FILE*    my_win_fopen(const char *filename, const char *type);
extern File     my_win_fclose(FILE *file);
extern File     my_win_fileno(FILE *file);
extern FILE*    my_win_fdopen(File Filedes, const char *type);
extern int      my_win_stat(const char *path, struct _stati64 *buf);
extern int      my_win_fstat(File fd, struct _stati64 *buf);
extern int      my_win_fsync(File fd);
extern File     my_win_dup(File fd);
extern File     my_win_sopen(const char *path, int oflag, int shflag, int perm);
extern File     my_open_osfhandle(HANDLE handle, int oflag);
#endif

#endif /* MYSYS_PRIV_INCLUDED */