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) 03/09/86"; 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 } 45