/*****************************************************************************

Copyright (c) 2021, 2025, 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.

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for more details.

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*****************************************************************************/
#ifndef JEMALLOC_WIN_INCLUDED
#define JEMALLOC_WIN_INCLUDED

/** @file jemalloc_win.h
 Details for dynamically loading and using jemalloc.dll on Windows */

#ifdef _WIN32
#include <mutex>
#include <string>
#include <vector>
#include "mysql/my_loglevel.h"
const constexpr char *jemalloc_dll_name = "jemalloc.dll";
const constexpr char *jemalloc_malloc_function_name = "je_malloc";
const constexpr char *jemalloc_calloc_function_name = "je_calloc";
const constexpr char *jemalloc_realloc_function_name = "je_realloc";
const constexpr char *jemalloc_free_function_name = "je_free";

namespace mysys {
extern bool is_my_malloc_using_jemalloc();
struct LogMessageInfo {
  loglevel m_severity;
  int64_t m_ecode;
  std::string m_message;
};
extern std::vector<LogMessageInfo> fetch_jemalloc_initialization_messages();

const int64_t MY_MALLOC_USING_JEMALLOC_ER = 0;
const int64_t MY_MALLOC_USING_STD_MALLOC_ER = 1;
const int64_t MY_MALLOC_LOADLIBRARY_FAILED_ER = 2;
const int64_t MY_MALLOC_GETPROCADDRESS_FAILED_ER = 3;

namespace detail {
extern void *(*pfn_malloc)(size_t size);
extern void *(*pfn_calloc)(size_t number, size_t size);
extern void *(*pfn_realloc)(void *ptr, size_t size);
extern void (*pfn_free)(void *ptr);
extern std::once_flag init_malloc_pointers_flag;
void init_malloc_pointers();
}  // namespace detail
}  // namespace mysys

#endif  // _WIN32

#endif  // JEMALLOC_WIN_INCLUDED
