stats.h

unxi下共享内存的使用

/*
 * linux/include/linux/sunrpc/stats.h
 *
 * Client statistics collection for SUN RPC
 *
 * Copyright (C) 1996 Olaf Kirch <[e-mail]>
 */

#ifndef _LINUX_SUNRPC_STATS_H
#define _LINUX_SUNRPC_STATS_H

#include <linux/config.h>
#include <linux/proc_fs.h>

struct rpc_stat {
	struct rpc_program *	program;

	unsigned int		netcnt,
				netudpcnt,
				nettcpcnt,
				nettcpconn,
				netreconn;
	unsigned int		rpccnt,
				rpcretrans,
				rpcauthrefresh,
				rpcgarbage;
};

struct svc_stat {
	struct svc_program *	program;

	unsigned int		netcnt,
				netudpcnt,
				nettcpcnt,
				nettcpconn;
	unsigned int		rpccnt,
				rpcbadfmt,
				rpcbadauth,
				rpcbadclnt;
};

void			rpc_proc_init(void);
void			rpc_proc_exit(void);
#ifdef MODULE
void			rpc_modcount(struct inode *, int);
#endif

#ifdef CONFIG_PROC_FS
struct proc_dir_entry *	rpc_proc_register(struct rpc_stat *);
void			rpc_proc_unregister(const char *);
int			rpc_proc_read(char *, char **, off_t, int,
					int *, void *);
void			rpc_proc_zero(struct rpc_program *);
struct proc_dir_entry *	svc_proc_register(struct svc_stat *);
void			svc_proc_unregister(const char *);
int			svc_proc_read(char *, char **, off_t, int,
					int *, void *);
void			svc_proc_zero(struct svc_program *);

#else

static inline void svc_proc_unregister(const char *p) {}
static inline struct proc_dir_entry*svc_proc_register(struct svc_stat *s)
{
	return NULL;
}

static inline int svc_proc_read(char *a, char **b, off_t c, int d, int *e, void *f)
{
	return 0;
}
#endif

#endif /* _LINUX_SUNRPC_STATS_H */