mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 20:42:30 +01:00
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*****************************************************************************
|
|
|
|
Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
|
|
Copyright (c) 2017, 2019, MariaDB Corporation.
|
|
|
|
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.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
|
|
|
|
*****************************************************************************/
|
|
|
|
/**************************************************//**
|
|
@file include/os0proc.h
|
|
The interface to the operating system
|
|
process control primitives
|
|
|
|
Created 9/30/1995 Heikki Tuuri
|
|
*******************************************************/
|
|
|
|
#ifndef os0proc_h
|
|
#define os0proc_h
|
|
|
|
#include "univ.i"
|
|
|
|
#ifdef UNIV_LINUX
|
|
#include <sys/ipc.h>
|
|
#include <sys/shm.h>
|
|
#endif
|
|
|
|
typedef void* os_process_t;
|
|
typedef unsigned long int os_process_id_t;
|
|
|
|
/** The total amount of memory currently allocated from the operating
|
|
system with os_mem_alloc_large(). */
|
|
extern ulint os_total_large_mem_allocated;
|
|
|
|
/** Converts the current process id to a number.
|
|
@return process id as a number */
|
|
ulint
|
|
os_proc_get_number(void);
|
|
|
|
/** Allocates large pages memory.
|
|
@param[in,out] n Number of bytes to allocate
|
|
@return allocated memory */
|
|
void*
|
|
os_mem_alloc_large(
|
|
ulint* n);
|
|
|
|
/** Frees large pages memory.
|
|
@param[in] ptr pointer returned by os_mem_alloc_large()
|
|
@param[in] size size returned by os_mem_alloc_large() */
|
|
void
|
|
os_mem_free_large(
|
|
void *ptr,
|
|
ulint size);
|
|
|
|
#endif
|