1 /*- 2 * Copyright (c) 1980 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 static char sccsid[] = "@(#)vlimit.c 5.3 (Berkeley) 04/19/91"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 /* 13 * (Almost) backwards compatible vlimit. 14 */ 15 #include <sys/time.h> 16 #include <sys/resource.h> 17 #include <errno.h> 18 19 /* LIM_NORAISE is not emulated */ 20 #define LIM_NORAISE 0 /* if <> 0, can't raise limits */ 21 #define LIM_CPU 1 /* max secs cpu time */ 22 #define LIM_FSIZE 2 /* max size of file created */ 23 #define LIM_DATA 3 /* max growth of data space */ 24 #define LIM_STACK 4 /* max growth of stack */ 25 #define LIM_CORE 5 /* max size of ``core'' file */ 26 #define LIM_MAXRSS 6 /* max desired data+stack core usage */ 27 28 #define NLIMITS 6 29 30 vlimit(limit, value) 31 int limit, value; 32 { 33 struct rlimit rlim; 34 35 if (limit <= 0 || limit > NLIMITS) 36 return (EINVAL); 37 if (value == -1) { 38 if (getrlimit(limit - 1, &rlim) < 0) 39 return (-1); 40 return (rlim.rlim_cur); 41 } 42 rlim.rlim_cur = value; 43 rlim.rlim_max = RLIM_INFINITY; 44 return (setrlimit(limit - 1, &rlim)); 45 } 46