Files
xen/tools/memshr/shm.h
T
Andres Lagar-Cavilla 2b82a7ad97 Add correct const-ness to memshr tool functions
This patch addresses some of the compile and link issues with the memshr
module.

Signed-off-by: Adin Scannell <adin@scannell.ca>
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
2012-01-10 15:38:08 +00:00

51 lines
1.7 KiB
C

/******************************************************************************
*
* Copyright (c) 2009 Citrix Systems, Inc. (Grzegorz Milos)
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*/
#ifndef __SHM_H__
#define __SHM_H__
#include <pthread.h>
#include <unistd.h>
#define MAX_NAME_LEN 1000
typedef struct vbd_image_info {
char file[MAX_NAME_LEN];
int ref_cnt;
uint16_t next;
uint16_t prev;
} vbd_image_info_t;
#define MAX_NR_VBD_IMAGES 4096
typedef struct shared_memshr_info {
unsigned long magic;
pthread_mutex_t lock;
int fgprtshr_hash_inited;
int blockshr_hash_inited;
vbd_image_info_t vbd_images[MAX_NR_VBD_IMAGES];
} shared_memshr_info_t;
shared_memshr_info_t * shm_shared_info_open(int unlink);
struct fgprtshr_hash * shm_fgprtshr_hash_open(int unlink);
struct blockshr_hash * shm_blockshr_hash_open(int unlink);
uint16_t shm_vbd_image_get(const char* file, vbd_image_info_t *vbd_imgs);
void shm_vbd_image_put(uint16_t memshr_id, vbd_image_info_t *vbd_imgs);
#endif /* __SHM_H__ */