src/include/utils/pg_rusage.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * pg_rusage.h
   4  *        header file for resource usage measurement support routines
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/utils/pg_rusage.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef PG_RUSAGE_H
  15 #define PG_RUSAGE_H
  16
  17 #include <sys/time.h>
  18
  19 #ifdef HAVE_SYS_RESOURCE_H
  20 #include <sys/resource.h>
  21 #else
  22 #include "rusagestub.h"
  23 #endif
  24
  25
  26 /* State structure for pg_rusage_init/pg_rusage_show */
  27 typedef struct PGRUsage
  28 {
  29         struct timeval tv;
  30         struct rusage ru;
  31 } PGRUsage;
  32
  33
  34 extern void pg_rusage_init(PGRUsage *ru0);
  35 extern const char *pg_rusage_show(const PGRUsage *ru0);
  36
  37 #endif                                                  /* PG_RUSAGE_H */