distr/util/datalimit.c

   1 /* $Id: datalimit.c,v 1.5 2007/08/24 18:17:31 fabio Exp fabio $ */
   2
   3 #ifndef HAVE_SYS_RESOURCE_H
   4 #define HAVE_SYS_RESOURCE_H 1
   5 #endif
   6 #ifndef HAVE_SYS_TIME_H
   7 #define HAVE_SYS_TIME_H 1
   8 #endif
   9 #ifndef HAVE_GETRLIMIT
  10 #define HAVE_GETRLIMIT 1
  11 #endif
  12
  13 #if HAVE_SYS_RESOURCE_H == 1
  14 #if HAVE_SYS_TIME_H == 1
  15 #include <sys/time.h>
  16 #endif
  17 #include <sys/resource.h>
  18 #endif
  19
  20 #ifndef RLIMIT_DATA_DEFAULT
  21 #define RLIMIT_DATA_DEFAULT 67108864    /* assume 64MB by default */
  22 #endif
  23
  24 #ifndef EXTERN
  25 #   ifdef __cplusplus
  26 #       define EXTERN extern "C"
  27 #   else
  28 #       define EXTERN extern
  29 #   endif
  30 #endif
  31
  32 EXTERN unsigned long getSoftDataLimit(void);
  33
  34 unsigned long
  35 getSoftDataLimit(void)
  36 {
  37 #if HAVE_SYS_RESOURCE_H == 1 && HAVE_GETRLIMIT == 1 && defined(RLIMIT_DATA)
  38     struct rlimit rl;
  39     int result;
  40
  41     result = getrlimit(RLIMIT_DATA, &rl);
  42     if (result != 0 || rl.rlim_cur == RLIM_INFINITY)
  43         return((unsigned long) RLIMIT_DATA_DEFAULT);
  44     else
  45         return((unsigned long) rl.rlim_cur);
  46 #else
  47     return((unsigned long) RLIMIT_DATA_DEFAULT);
  48 #endif
  49
  50 } /* end of getSoftDataLimit */