set_limit.c
author Markus Bröker<broeker.markus@googlemail.com>
Sun, 22 Oct 2017 22:55:27 +0200
changeset 172 43ae72f88d06
parent 167 7c6b221900bf
permissions -rw-r--r--
2er Komplement und integerToString

/**
 * set_limit.c
 * Copyright (C) 2008 Markus Broeker
 */

#include <errno.h>
#include <sys/resource.h>

#define MINIMUM (2*1024*1024)

int set_limit (unsigned long megs)
{
    struct rlimit rlim;

    megs *= 1024 * 1024;

    rlim.rlim_cur = megs;
    rlim.rlim_max = 1.25 * megs;
    if (megs >= MINIMUM)
        return setrlimit (RLIMIT_AS, &rlim);

    errno = ENOMEM;

    return -1;
}