pg_rusage.h

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

/*-------------------------------------------------------------------------
 *
 * pg_rusage.h
 *	  header file for resource usage measurement support routines
 *
 *
 * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * $PostgreSQL: pgsql/src/include/utils/pg_rusage.h,v 1.1 2005/10/03 22:52:26 tgl Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_RUSAGE_H
#define PG_RUSAGE_H

#include <sys/time.h>

#ifdef HAVE_GETRUSAGE
#include <sys/resource.h>
#else
#include "rusagestub.h"
#endif


/* State structure for pg_rusage_init/pg_rusage_show */
typedef struct PGRUsage
{
	struct timeval tv;
	struct rusage ru;
} PGRUsage;


extern void pg_rusage_init(PGRUsage *ru0);
extern const char *pg_rusage_show(const PGRUsage *ru0);

#endif   /* PG_RUSAGE_H */