Init.cpp

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/*
 * Copyright (C) 2009 Niek Linnenbank
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/wait.h>
#include "Init.h"
 
Init::Init(int argc, char **argv)
    : POSIXApplication(argc, argv)
{
    parser().setDescription("Initialize system processes");
    parser().registerFlag('s', "script", "Set shell startup script");
}
 
Init::~Init()
{
}
 
Init::Result Init::exec()
{
    const char *script = arguments().get("script") ?
                         arguments().get("script") : "/etc/init.sh";
    const char *av[] = { "/bin/sh", script, ZERO };
    int pid, status;
 
    NOTICE("Starting init script: " << script);
 
    // Execute the run commands file
    if ((pid = runProgram("/bin/sh", av)) == -1)
    {
        ERROR("failed to execute /bin/sh: " <<
              strerror(errno));
        return IOError;
    }
 
    // Wait for the command to finish before terminating
    waitpid(pid, &status, 0);
    return Success;
}