1*48368Sbostic /*- 2*48368Sbostic * Copyright (c) 1980 The Regents of the University of California. 3*48368Sbostic * All rights reserved. 4*48368Sbostic * 5*48368Sbostic * %sccs.include.proprietary.c% 621336Sdist */ 713218Ssam 826523Sdonn #if defined(LIBC_SCCS) && !defined(lint) 9*48368Sbostic static char sccsid[] = "@(#)vlimit.c 5.3 (Berkeley) 04/19/91"; 10*48368Sbostic #endif /* LIBC_SCCS and not lint */ 1121336Sdist 1213218Ssam /* 1313218Ssam * (Almost) backwards compatible vlimit. 1413218Ssam */ 1513219Ssam #include <sys/time.h> 1613218Ssam #include <sys/resource.h> 1713219Ssam #include <errno.h> 1813218Ssam 1913218Ssam /* LIM_NORAISE is not emulated */ 2013218Ssam #define LIM_NORAISE 0 /* if <> 0, can't raise limits */ 2113218Ssam #define LIM_CPU 1 /* max secs cpu time */ 2213218Ssam #define LIM_FSIZE 2 /* max size of file created */ 2313218Ssam #define LIM_DATA 3 /* max growth of data space */ 2413218Ssam #define LIM_STACK 4 /* max growth of stack */ 2513218Ssam #define LIM_CORE 5 /* max size of ``core'' file */ 2613218Ssam #define LIM_MAXRSS 6 /* max desired data+stack core usage */ 2713218Ssam 2813218Ssam #define NLIMITS 6 2913218Ssam 3013218Ssam vlimit(limit, value) 3113218Ssam int limit, value; 3213218Ssam { 3313218Ssam struct rlimit rlim; 3413218Ssam 3513218Ssam if (limit <= 0 || limit > NLIMITS) 3613218Ssam return (EINVAL); 3713218Ssam if (value == -1) { 3813218Ssam if (getrlimit(limit - 1, &rlim) < 0) 3913218Ssam return (-1); 4013218Ssam return (rlim.rlim_cur); 4113218Ssam } 4213218Ssam rlim.rlim_cur = value; 4313218Ssam rlim.rlim_max = RLIM_INFINITY; 4413218Ssam return (setrlimit(limit - 1, &rlim)); 4513218Ssam } 46