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Viewing changes to src/tools/cgconfig.c

  • Committer: Bazaar Package Importer
  • Author(s): Dustin Kirkland
  • Date: 2009-08-26 11:29:17 UTC
  • Revision ID: james.westby@ubuntu.com-20090826112917-402ews2uj6v350d2
Tags: upstream-0.34
Import upstream version 0.34

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src/tools/cgconfig.c
 
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/*
 
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 * Copyright IBM Corporation. 2007
 
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 *
 
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 * Authors:     Dhaval Giani <dhaval@linux.vnet.ibm.com>
 
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 *              Balbir Singh <balbir@linux.vnet.ibm.com>
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify it
 
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 * under the terms of version 2.1 of the GNU Lesser General Public License
 
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 * as published by the Free Software Foundation.
 
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 *
 
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 * This program is distributed in the hope that it would be useful, but
 
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 * WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
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 *
 
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 * Code initiated and designed by Dhaval Giani. All faults are most likely
 
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 * his mistake.
 
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 */
 
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#include <libcgroup.h>
 
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#include <libcgroup-internal.h>
 
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#include <stdio.h>
 
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#include <stdlib.h>
 
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#include <string.h>
 
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#include <errno.h>
 
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#include <getopt.h>
 
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static void usage(char *progname)
 
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{
 
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        printf("Usage: %s [OPTION] [FILE]\n", basename(progname));
 
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        printf("Parse and load the specified cgroups configuration file\n");
 
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        printf("\n");
 
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        printf("  -h, --help            Display this help\n");
 
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        printf("  -l, --load=FILE       Parse and load the cgroups configuration file\n");
 
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        exit(2);
 
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}
 
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int main(int argc, char *argv[])
 
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{
 
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        int c;
 
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        char filename[PATH_MAX];
 
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        int ret;
 
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        static struct option options[] = {
 
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                {"help", 0, 0, 'h'},
 
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                {"load", 1, 0, 'l'},
 
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                {0, 0, 0, 0}
 
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        };
 
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        if (argc < 2)
 
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                usage(argv[0]); /* usage() exits */
 
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        while ((c = getopt_long(argc, argv, "hl:", options, NULL)) > 0) {
 
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                switch (c) {
 
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                case 'h':
 
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                        usage(argv[0]);
 
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                        break;
 
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                case 'l':
 
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                        strncpy(filename, optarg, PATH_MAX);
 
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                        ret = cgroup_config_load_config(filename);
 
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                        if (ret) {
 
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                                printf("Loading configuration file %s "
 
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                                        "failed\n%s\n", filename,
 
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                                        cgroup_strerror(ret));
 
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                                exit(3);
 
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                        }
 
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                        return 0;
 
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                default:
 
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                        usage(argv[0]);
 
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                        break;
 
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                }
 
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        }
 
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        return 0;
 
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}