greenplumn pg_rusage 源码
greenplumn pg_rusage 代码
文件路径：/src/include/utils/pg_rusage.h
/*-------------------------------------------------------------------------
*
* pg_rusage.h
* header file for resource usage measurement support routines
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/utils/pg_rusage.h
*
*-------------------------------------------------------------------------
*/
#ifndef PG_RUSAGE_H
#define PG_RUSAGE_H
#include <sys/time.h>
#ifdef HAVE_SYS_RESOURCE_H
#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 */
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