1: /* Copyright (C) 1991, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3: 
    4:    The GNU C Library is free software; you can redistribute it and/or
    5:    modify it under the terms of the GNU Lesser General Public
    6:    License as published by the Free Software Foundation; either
    7:    version 2.1 of the License, or (at your option) any later version.
    8: 
    9:    The GNU C Library 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 GNU
   12:    Lesser General Public License for more details.
   13: 
   14:    You should have received a copy of the GNU Lesser General Public
   15:    License along with the GNU C Library; if not, write to the Free
   16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   17:    02111-1307 USA.  */
   18: 
   19: /* This is generic in the sense that it will work with the BSD, SYSV,
   20:    or stub versions of getrlimit.  Separate versions could be written
   21:    for efficiency, but it's probably not worth it.  */
   22: 
   23: #include <sys/vlimit.h>
   24: #include <sys/resource.h>
   25: #include <errno.h>
   26: 
   27: /* Set the soft limit for RESOURCE to be VALUE.
   28:    Returns 0 for success, -1 for failure.  */
   29: int
   30: vlimit (resource, value)
   31:      enum __vlimit_resource resource;
   32:      int value;
   33: {
   34:   if (resource >= LIM_CPU && resource <= LIM_MAXRSS)
   35:     {
   36:       /* The rlimit codes happen to each be one less
   37:          than the corresponding vlimit codes.  */
   38:       enum __rlimit_resource rlimit_res =
   39:         (enum __rlimit_resource) ((int) resource - 1);
   40:       struct rlimit lims;
   41: 
   42:       if (__getrlimit (rlimit_res, &lims) < 0)
   43:         return -1;
   44: 
   45:       lims.rlim_cur = value;
   46:       return __setrlimit (rlimit_res, &lims);
   47:     }
   48: 
   49:   __set_errno (EINVAL);
   50:   return -1;
   51: }