nt/inc/sys/resource.h

   1 /* A limited emulation of sys/resource.h.
   2
   3 Copyright (C) 2016-2017 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software: you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation, either version 3 of the License, or (at
  10 your option) any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
  19
  20 #ifndef INC_SYS_RESOURCE_H_
  21 #define INC_SYS_RESOURCE_H_
  22
  23 /* We only support RLIMIT_STACK and RLIMIT_NOFILE for now.  */
  24 enum rlimit_resource {
  25   RLIMIT_STACK = 0,
  26 #define RLIMIT_STACK RLIMIT_STACK
  27
  28   RLIMIT_NOFILE = 1,
  29 #define RLIMIT_NOFILE RLIMIT_NOFILE
  30
  31   RLIMIT_NLIMITS
  32 #define RLIMIT_NLIMITS RLIMIT_NLIMITS
  33 };
  34
  35 typedef enum rlimit_resource rlimit_resource_t;
  36
  37 /* We use a 64-bit data type because some values could potentially be
  38    64-bit wide even in 32-bit builds.  */
  39 typedef long long rlim_t;
  40
  41 #define RLIMIT_INFINITY ((rlim_t) -1)
  42
  43 struct rlimit {
  44   rlim_t rlim_cur;      /* current soft limit */
  45   rlim_t rlim_max;      /* hard limit */
  46 };
  47
  48 extern int getrlimit (rlimit_resource_t, struct rlimit *);
  49 extern int setrlimit (rlimit_resource_t, const struct rlimit *);
  50
  51 #endif  /* INC_SYS_RESOURCE_H_ */