| 1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. |
| 3 | * All rights reserved. The Berkeley software License Agreement |
| 4 | * specifies the terms and conditions for redistribution. |
| 5 | */ |
| 6 | |
| 7 | #if defined(LIBC_SCCS) && !defined(lint) |
| 8 | static char sccsid[] = "@(#)vlimit.c 5.2 (Berkeley) %G%"; |
| 9 | #endif LIBC_SCCS and not lint |
| 10 | |
| 11 | /* |
| 12 | * (Almost) backwards compatible vlimit. |
| 13 | */ |
| 14 | #include <sys/time.h> |
| 15 | #include <sys/resource.h> |
| 16 | #include <errno.h> |
| 17 | |
| 18 | /* LIM_NORAISE is not emulated */ |
| 19 | #define LIM_NORAISE 0 /* if <> 0, can't raise limits */ |
| 20 | #define LIM_CPU 1 /* max secs cpu time */ |
| 21 | #define LIM_FSIZE 2 /* max size of file created */ |
| 22 | #define LIM_DATA 3 /* max growth of data space */ |
| 23 | #define LIM_STACK 4 /* max growth of stack */ |
| 24 | #define LIM_CORE 5 /* max size of ``core'' file */ |
| 25 | #define LIM_MAXRSS 6 /* max desired data+stack core usage */ |
| 26 | |
| 27 | #define NLIMITS 6 |
| 28 | |
| 29 | vlimit(limit, value) |
| 30 | int limit, value; |
| 31 | { |
| 32 | struct rlimit rlim; |
| 33 | |
| 34 | if (limit <= 0 || limit > NLIMITS) |
| 35 | return (EINVAL); |
| 36 | if (value == -1) { |
| 37 | if (getrlimit(limit - 1, &rlim) < 0) |
| 38 | return (-1); |
| 39 | return (rlim.rlim_cur); |
| 40 | } |
| 41 | rlim.rlim_cur = value; |
| 42 | rlim.rlim_max = RLIM_INFINITY; |
| 43 | return (setrlimit(limit - 1, &rlim)); |
| 44 | } |