source: mainline/uspace/app/init/init.c@ 860271d4

/*
 * Copyright (c) 2005 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup init Init
 * @brief       Init process for testing purposes.
 * @{
 */ 
/**
 * @file
 */

#include <stdio.h>
#include <unistd.h>
#include <vfs/vfs.h>
#include <bool.h>
#include <errno.h>
#include <fcntl.h>
#include <task.h>
#include <malloc.h>
#include "init.h"
#include "version.h"

#define BUF_SIZE 150000

static char *buf;

static void console_wait(void)
{
        while (get_cons_phone() < 0)
                usleep(50000);  // FIXME
}

static bool mount_tmpfs(void)
{
        int rc = -1;
        
        while (rc < 0) {
                rc = mount("tmpfs", "/", "initrd");
                
                switch (rc) {
                case EOK:
                        printf(NAME ": Root filesystem mounted\n");
                        break;
                case EBUSY:
                        printf(NAME ": Root filesystem already mounted\n");
                        break;
                case ELIMIT:
                        printf(NAME ": Unable to mount root filesystem\n");
                        return false;
                default:
                        sleep(5);       // FIXME
                }
        }
        
        return true;
}

static void spawn(char *fname)
{
        printf(NAME ": Spawning %s\n", fname);
        
        int fd = open(fname, O_RDONLY);
        if (fd >= 0) {
        
                ssize_t rd;
                size_t len = 0;
                
                // FIXME: cannot do long reads yet
                do {
                        rd = read(fd, buf + len, 1024);
                        if (rd > 0)
                                len += rd;
                        
                } while (rd > 0);
                
                if (len > 0) {
                        task_spawn(buf, len);
                        sleep(1);       // FIXME
                }
                
                close(fd);
        }
}

int main(int argc, char *argv[])
{
        info_print();
        sleep(5);       // FIXME
        
        if (!mount_tmpfs()) {
                printf(NAME ": Exiting\n");
                return -1;
        }
        
        buf = malloc(BUF_SIZE);
        
        // FIXME: spawn("/sbin/pci");
        spawn("/sbin/fb");
        spawn("/sbin/kbd");
        spawn("/sbin/console");
        
        console_wait();
        version_print();
        
        spawn("/sbin/fat");
        spawn("/sbin/tetris");
        // FIXME: spawn("/sbin/tester");
        // FIXME: spawn("/sbin/klog");
        
        free(buf);
        return 0;
}

/** @}
 */