1  /* Substitute for <sys/resource.h>.
       2     Copyright (C) 2012-2023 Free Software Foundation, Inc.
       3  
       4     This file is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU Lesser General Public License as
       6     published by the Free Software Foundation; either version 2.1 of the
       7     License, or (at your option) any later version.
       8  
       9     This file is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  # if __GNUC__ >= 3
      18  @PRAGMA_SYSTEM_HEADER@
      19  # endif
      20  @PRAGMA_COLUMNS@
      21  
      22  #ifndef _@GUARD_PREFIX@_SYS_RESOURCE_H
      23  
      24  #if @HAVE_SYS_RESOURCE_H@
      25  
      26  /* On FreeBSD 5.0, <sys/resource.h> assumes prior inclusion of <sys/types.h>
      27     and <sys/time.h>.  */
      28  # include <sys/types.h>
      29  # include <sys/time.h>
      30  
      31  /* The include_next requires a split double-inclusion guard.  */
      32  # @INCLUDE_NEXT@ @NEXT_SYS_RESOURCE_H@
      33  
      34  #endif
      35  
      36  #ifndef _@GUARD_PREFIX@_SYS_RESOURCE_H
      37  #define _@GUARD_PREFIX@_SYS_RESOURCE_H
      38  
      39  /* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
      40  #if !_GL_CONFIG_H_INCLUDED
      41   #error "Please include config.h first."
      42  #endif
      43  
      44  #if !@HAVE_SYS_RESOURCE_H@
      45  /* A platform that lacks <sys/resource.h>.  */
      46  
      47  /* Get 'struct timeval'.  */
      48  # include <sys/time.h>
      49  
      50  /* Define the RUSAGE_* constants.  */
      51  # define RUSAGE_SELF 0
      52  # define RUSAGE_CHILDREN -1
      53  
      54  # ifdef __cplusplus
      55  extern "C" {
      56  # endif
      57  
      58  # if !GNULIB_defined_struct_rusage
      59  /* All known platforms that lack <sys/resource.h> also lack any declaration
      60     of struct rusage in any other header.  */
      61  struct rusage
      62  {
      63    struct timeval ru_utime;      /* CPU time used in user mode */
      64    struct timeval ru_stime;      /* CPU time used in system mode (kernel) */
      65    long ru_maxrss;
      66    long ru_ixrss;
      67    long ru_idrss;
      68    long ru_isrss;
      69    long ru_minflt;
      70    long ru_majflt;
      71    long ru_nswap;
      72    long ru_inblock;
      73    long ru_oublock;
      74    long ru_msgsnd;
      75    long ru_msgrcv;
      76    long ru_nsignals;
      77    long ru_nvcsw;
      78    long ru_nivcsw;
      79  };
      80  #  define GNULIB_defined_struct_rusage 1
      81  # endif
      82  
      83  # ifdef __cplusplus
      84  }
      85  # endif
      86  
      87  #else
      88  
      89  # ifdef __VMS                      /* OpenVMS */
      90  /* Define the RUSAGE_* constants.  */
      91  #  ifndef RUSAGE_SELF
      92  #   define RUSAGE_SELF 0
      93  #  endif
      94  #  ifndef RUSAGE_CHILDREN
      95  #   define RUSAGE_CHILDREN -1
      96  #  endif
      97  # endif
      98  
      99  #endif
     100  
     101  /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
     102  
     103  /* The definition of _GL_ARG_NONNULL is copied here.  */
     104  
     105  /* The definition of _GL_WARN_ON_USE is copied here.  */
     106  
     107  
     108  /* Declare overridden functions.  */
     109  
     110  
     111  #if @GNULIB_GETRUSAGE@
     112  # if !@HAVE_GETRUSAGE@
     113  _GL_FUNCDECL_SYS (getrusage, int, (int who, struct rusage *usage_p)
     114                                    _GL_ARG_NONNULL ((2)));
     115  # endif
     116  _GL_CXXALIAS_SYS (getrusage, int, (int who, struct rusage *usage_p));
     117  _GL_CXXALIASWARN (getrusage);
     118  #elif defined GNULIB_POSIXCHECK
     119  # undef getrusage
     120  # if HAVE_RAW_DECL_GETRUSAGE
     121  _GL_WARN_ON_USE (getrusage, "getrusage is unportable - "
     122                   "use gnulib module getrusage for portability");
     123  # endif
     124  #endif
     125  
     126  
     127  #endif /* _@GUARD_PREFIX@_SYS_RESOURCE_H */
     128  #endif /* _@GUARD_PREFIX@_SYS_RESOURCE_H */