projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| bb0cfa24 DF |
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 | ||
| 2ce81398 DS |
7 | #if defined(LIBC_SCCS) && !defined(lint) |
| 8 | static char sccsid[] = "@(#)vlimit.c 5.2 (Berkeley) %G%"; | |
| 9 | #endif LIBC_SCCS and not lint | |
| 611c3c29 SL |
10 | |
| 11 | /* | |
| 12 | * (Almost) backwards compatible vlimit. | |
| 13 | */ | |
| ed4a8563 | 14 | #include <sys/time.h> |
| 611c3c29 | 15 | #include <sys/resource.h> |
| ed4a8563 | 16 | #include <errno.h> |
| 611c3c29 SL |
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 | } |