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Annotation of 43BSD/lib/libc/compat-4.1/vlimit.c, revision 1.1.1.1

1.1       root        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) 3/9/86";
                      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: }

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