glibc (2.38)
1 /* Copyright (C) 1997-2023 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, see
16 <https://www.gnu.org/licenses/>. */
17
18 #ifndef _ULIMIT_H
19 #define _ULIMIT_H 1
20
21 #include <features.h>
22
23 /* Constants used as the first parameter for `ulimit'. They denote limits
24 which can be set or retrieved using this function. */
25 enum
26 {
27 UL_GETFSIZE = 1, /* Return limit on the size of a file,
28 in units of 512 bytes. */
29 #define UL_GETFSIZE UL_GETFSIZE
30 UL_SETFSIZE, /* Set limit on the size of a file to
31 second argument. */
32 #define UL_SETFSIZE UL_SETFSIZE
33 __UL_GETMAXBRK, /* Return the maximum possible address
34 of the data segment. */
35 __UL_GETOPENMAX /* Return the maximum number of files
36 that the calling process can open.*/
37 };
38
39
40 __BEGIN_DECLS
41
42 /* Control process limits according to CMD. */
43 extern long int ulimit (int __cmd, ...) __THROW;
44
45 __END_DECLS
46
47 #endif /* ulimit.h */
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