prog_limit.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Thu, 16 Apr 2009 12:47:18 +0200
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/**
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 * test/demos/prog_limit.c
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 * Copyright (C) 2008 Markus Broeker
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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int set_limit (int);
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int main (int argc, char **argv)
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{
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    int i;
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    char **args;
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    if (argc < 3) {
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        printf ("Usage: %s <mem> <cmd> [args]...\n", argv[0]);
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        printf ("Report bugs to mbroeker@largo.homelinux.org\n");
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        return EXIT_SUCCESS;
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    }
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    if ((args = calloc ((argc - 2), sizeof (char *))) == NULL) {
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        perror ("calloc");
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        return EXIT_FAILURE;
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    }
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    for (i = 2; i < argc; i++)
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        args[i - 2] = argv[i];
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    args[i] = NULL;
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    if (set_limit (atoi (argv[1]) * 1024 * 1024) == 0)
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        execvp (argv[2], args);
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    else
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        perror ("Limit Error");
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    if (args != NULL)
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        free (args);
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    return EXIT_SUCCESS;
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}