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Annotation of 42BSD/lib/libc/compat-4.1/vlimit.c, revision 1.1

1.1     ! root        1: /*     vlimit.c        4.2     83/06/20        */
        !             2: 
        !             3: /*
        !             4:  * (Almost) backwards compatible vlimit.
        !             5:  */
        !             6: #include <sys/time.h>
        !             7: #include <sys/resource.h>
        !             8: #include <errno.h>
        !             9: 
        !            10: /* LIM_NORAISE is not emulated */
        !            11: #define        LIM_NORAISE     0       /* if <> 0, can't raise limits */
        !            12: #define        LIM_CPU         1       /* max secs cpu time */
        !            13: #define        LIM_FSIZE       2       /* max size of file created */
        !            14: #define        LIM_DATA        3       /* max growth of data space */
        !            15: #define        LIM_STACK       4       /* max growth of stack */
        !            16: #define        LIM_CORE        5       /* max size of ``core'' file */
        !            17: #define        LIM_MAXRSS      6       /* max desired data+stack core usage */
        !            18: 
        !            19: #define        NLIMITS         6
        !            20: 
        !            21: vlimit(limit, value)
        !            22:        int limit, value;
        !            23: {
        !            24:        struct rlimit rlim;
        !            25: 
        !            26:        if (limit <= 0 || limit > NLIMITS)
        !            27:                return (EINVAL);
        !            28:        if (value == -1) {
        !            29:                if (getrlimit(limit - 1, &rlim) < 0)
        !            30:                        return (-1);
        !            31:                return (rlim.rlim_cur);
        !            32:        }
        !            33:        rlim.rlim_cur = value;
        !            34:        rlim.rlim_max = RLIM_INFINITY;
        !            35:        return (setrlimit(limit - 1, &rlim));
        !            36: }

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