source: mainline/uspace/drv/usbhub/main.c@ 4687fcd4

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 4687fcd4 was ba5ab09, checked in by Matus Dekanek <smekideki@…>, 15 years ago

fixed one possible memory leak
using fibril_mutex instead of futex

  • Property mode set to 100644
File size: 2.5 KB
RevLine 
[4317827]1/*
2 * Copyright (c) 2010 Vojtech Horky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
[4c74ac3]28
[281ebae]29/** @addtogroup drvusbhub
30 * @{
31 */
32
[4317827]33#include <driver.h>
34#include <errno.h>
[4c74ac3]35#include <async.h>
36
37#include <usb/usbdrv.h>
[e080332]38
[4317827]39#include "usbhub.h"
[b5ec347]40#include "usbhub_private.h"
41
42
43usb_general_list_t usb_hub_list;
[ba5ab09]44fibril_mutex_t usb_hub_list_lock;
[4317827]45
46static driver_ops_t hub_driver_ops = {
47 .add_device = usb_add_hub_device,
48};
49
50static driver_t hub_driver = {
51 .name = "usbhub",
52 .driver_ops = &hub_driver_ops
53};
54
[4c74ac3]55int usb_hub_control_loop(void * noparam){
56 while(true){
57 usb_hub_check_hub_changes();
[f40a1e2]58 async_usleep(1000 * 1000 );/// \TODO proper number once
[4c74ac3]59 }
60 return 0;
61}
62
63
[4317827]64int main(int argc, char *argv[])
65{
[0cfc68f0]66 usb_dprintf_enable(NAME, 0);
[ba5ab09]67
68 fibril_mutex_initialize(&usb_hub_list_lock);
69 fibril_mutex_lock(&usb_hub_list_lock);
[b5ec347]70 usb_lst_init(&usb_hub_list);
[ba5ab09]71 fibril_mutex_unlock(&usb_hub_list_lock);
[0cfc68f0]72
[4c74ac3]73 fid_t fid = fibril_create(usb_hub_control_loop, NULL);
74 if (fid == 0) {
[0cfc68f0]75 fprintf(stderr, NAME ": failed to start monitoring fibril," \
76 " driver aborting.\n");
[4c74ac3]77 return ENOMEM;
78 }
79 fibril_add_ready(fid);
80
[4317827]81 return driver_main(&hub_driver);
82}
[281ebae]83
84/**
85 * @}
86 */
87
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