Ryo Hagimoto / zbar_010

ZBar bar code reader . http://zbar.sourceforge.net/ ZBar is licensed under the GNU LGPL 2.1 to enable development of both open source and commercial projects.

Dependents:   GR-PEACH_Camera_in_barcode levkov_ov7670

LICENSE

The ZBar Bar Code Reader is Copyright (C) 2007-2009 Jeff Brown <spadix@users.sourceforge.net> The QR Code reader is Copyright (C) 1999-2009 Timothy B. Terriberry <tterribe@xiph.org>

You can redistribute this library and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

ISAAC is based on the public domain implementation by Robert J. Jenkins Jr., and is itself public domain.

Portions of the bit stream reader are copyright (C) The Xiph.Org Foundation 1994-2008, and are licensed under a BSD-style license.

The Reed-Solomon decoder is derived from an implementation (C) 1991-1995 Henry Minsky (hqm@ua.com, hqm@ai.mit.edu), and is licensed under the LGPL with permission.

zbar/thread.h@1:500d42699c34, 2016-04-19 (annotated)

Committer:
RyoheiHagimoto
Date:
Tue Apr 19 02:19:39 2016 +0000
Revision:
1:500d42699c34
Parent:
0:56c5742b9e2b 
Add copying.txt and license.txt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RyoheiHagimoto 0:56c5742b9e2b 1 /*------------------------------------------------------------------------
RyoheiHagimoto 0:56c5742b9e2b 2 * Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
RyoheiHagimoto 0:56c5742b9e2b 3 *
RyoheiHagimoto 0:56c5742b9e2b 4 * This file is part of the ZBar Bar Code Reader.
RyoheiHagimoto 0:56c5742b9e2b 5 *
RyoheiHagimoto 0:56c5742b9e2b 6 * The ZBar Bar Code Reader is free software; you can redistribute it
RyoheiHagimoto 0:56c5742b9e2b 7 * and/or modify it under the terms of the GNU Lesser Public License as
RyoheiHagimoto 0:56c5742b9e2b 8 * published by the Free Software Foundation; either version 2.1 of
RyoheiHagimoto 0:56c5742b9e2b 9 * the License, or (at your option) any later version.
RyoheiHagimoto 0:56c5742b9e2b 10 *
RyoheiHagimoto 0:56c5742b9e2b 11 * The ZBar Bar Code Reader is distributed in the hope that it will be
RyoheiHagimoto 0:56c5742b9e2b 12 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
RyoheiHagimoto 0:56c5742b9e2b 13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
RyoheiHagimoto 0:56c5742b9e2b 14 * GNU Lesser Public License for more details.
RyoheiHagimoto 0:56c5742b9e2b 15 *
RyoheiHagimoto 0:56c5742b9e2b 16 * You should have received a copy of the GNU Lesser Public License
RyoheiHagimoto 0:56c5742b9e2b 17 * along with the ZBar Bar Code Reader; if not, write to the Free
RyoheiHagimoto 0:56c5742b9e2b 18 * Software Foundation, Inc., 51 Franklin St, Fifth Floor,
RyoheiHagimoto 0:56c5742b9e2b 19 * Boston, MA 02110-1301 USA
RyoheiHagimoto 0:56c5742b9e2b 20 *
RyoheiHagimoto 0:56c5742b9e2b 21 * http://sourceforge.net/projects/zbar
RyoheiHagimoto 0:56c5742b9e2b 22 *------------------------------------------------------------------------*/
RyoheiHagimoto 0:56c5742b9e2b 23 #ifndef _ZBAR_THREAD_H_
RyoheiHagimoto 0:56c5742b9e2b 24 #define _ZBAR_THREAD_H_
RyoheiHagimoto 0:56c5742b9e2b 25
RyoheiHagimoto 0:56c5742b9e2b 26 /* simple platform thread abstraction
RyoheiHagimoto 0:56c5742b9e2b 27 */
RyoheiHagimoto 0:56c5742b9e2b 28
RyoheiHagimoto 0:56c5742b9e2b 29 #include <config.h>
RyoheiHagimoto 0:56c5742b9e2b 30 #include "event.h"
RyoheiHagimoto 0:56c5742b9e2b 31
RyoheiHagimoto 0:56c5742b9e2b 32 #if defined(_WIN32)
RyoheiHagimoto 0:56c5742b9e2b 33
RyoheiHagimoto 0:56c5742b9e2b 34 # include <windows.h>
RyoheiHagimoto 0:56c5742b9e2b 35 # define HAVE_THREADS
RyoheiHagimoto 0:56c5742b9e2b 36 # define ZTHREAD DWORD WINAPI
RyoheiHagimoto 0:56c5742b9e2b 37
RyoheiHagimoto 0:56c5742b9e2b 38 typedef ZTHREAD (zbar_thread_proc_t)(void*);
RyoheiHagimoto 0:56c5742b9e2b 39
RyoheiHagimoto 0:56c5742b9e2b 40 typedef DWORD zbar_thread_id_t;
RyoheiHagimoto 0:56c5742b9e2b 41
RyoheiHagimoto 0:56c5742b9e2b 42 #elif defined(HAVE_LIBPTHREAD)
RyoheiHagimoto 0:56c5742b9e2b 43
RyoheiHagimoto 0:56c5742b9e2b 44 # include <pthread.h>
RyoheiHagimoto 0:56c5742b9e2b 45 # include <signal.h>
RyoheiHagimoto 0:56c5742b9e2b 46 # define HAVE_THREADS
RyoheiHagimoto 0:56c5742b9e2b 47 # define ZTHREAD void*
RyoheiHagimoto 0:56c5742b9e2b 48
RyoheiHagimoto 0:56c5742b9e2b 49 typedef ZTHREAD (zbar_thread_proc_t)(void*);
RyoheiHagimoto 0:56c5742b9e2b 50
RyoheiHagimoto 0:56c5742b9e2b 51 typedef pthread_t zbar_thread_id_t;
RyoheiHagimoto 0:56c5742b9e2b 52
RyoheiHagimoto 0:56c5742b9e2b 53 #else
RyoheiHagimoto 0:56c5742b9e2b 54
RyoheiHagimoto 0:56c5742b9e2b 55 # undef HAVE_THREADS
RyoheiHagimoto 0:56c5742b9e2b 56 # undef ZTHREAD
RyoheiHagimoto 0:56c5742b9e2b 57
RyoheiHagimoto 0:56c5742b9e2b 58 typedef void zbar_thread_proc_t;
RyoheiHagimoto 0:56c5742b9e2b 59 typedef int zbar_thread_id_t;
RyoheiHagimoto 0:56c5742b9e2b 60
RyoheiHagimoto 0:56c5742b9e2b 61 #endif
RyoheiHagimoto 0:56c5742b9e2b 62
RyoheiHagimoto 0:56c5742b9e2b 63
RyoheiHagimoto 0:56c5742b9e2b 64 typedef struct zbar_thread_s {
RyoheiHagimoto 0:56c5742b9e2b 65 zbar_thread_id_t tid;
RyoheiHagimoto 0:56c5742b9e2b 66 int started, running;
RyoheiHagimoto 0:56c5742b9e2b 67 zbar_event_t notify, activity;
RyoheiHagimoto 0:56c5742b9e2b 68 } zbar_thread_t;
RyoheiHagimoto 0:56c5742b9e2b 69
RyoheiHagimoto 0:56c5742b9e2b 70
RyoheiHagimoto 0:56c5742b9e2b 71 #if defined(_WIN32)
RyoheiHagimoto 0:56c5742b9e2b 72
RyoheiHagimoto 0:56c5742b9e2b 73 static inline void _zbar_thread_init (zbar_thread_t *thr)
RyoheiHagimoto 0:56c5742b9e2b 74 {
RyoheiHagimoto 0:56c5742b9e2b 75 thr->running = 1;
RyoheiHagimoto 0:56c5742b9e2b 76 _zbar_event_trigger(&thr->activity);
RyoheiHagimoto 0:56c5742b9e2b 77 }
RyoheiHagimoto 0:56c5742b9e2b 78
RyoheiHagimoto 0:56c5742b9e2b 79 static inline zbar_thread_id_t _zbar_thread_self ()
RyoheiHagimoto 0:56c5742b9e2b 80 {
RyoheiHagimoto 0:56c5742b9e2b 81 return(GetCurrentThreadId());
RyoheiHagimoto 0:56c5742b9e2b 82 }
RyoheiHagimoto 0:56c5742b9e2b 83
RyoheiHagimoto 0:56c5742b9e2b 84 static inline int _zbar_thread_is_self (zbar_thread_id_t tid)
RyoheiHagimoto 0:56c5742b9e2b 85 {
RyoheiHagimoto 0:56c5742b9e2b 86 return(tid == GetCurrentThreadId());
RyoheiHagimoto 0:56c5742b9e2b 87 }
RyoheiHagimoto 0:56c5742b9e2b 88
RyoheiHagimoto 0:56c5742b9e2b 89
RyoheiHagimoto 0:56c5742b9e2b 90 #elif defined(HAVE_LIBPTHREAD)
RyoheiHagimoto 0:56c5742b9e2b 91
RyoheiHagimoto 0:56c5742b9e2b 92 static inline void _zbar_thread_init (zbar_thread_t *thr)
RyoheiHagimoto 0:56c5742b9e2b 93 {
RyoheiHagimoto 0:56c5742b9e2b 94 sigset_t sigs;
RyoheiHagimoto 0:56c5742b9e2b 95 sigfillset(&sigs);
RyoheiHagimoto 0:56c5742b9e2b 96 pthread_sigmask(SIG_BLOCK, &sigs, NULL);
RyoheiHagimoto 0:56c5742b9e2b 97 thr->running = 1;
RyoheiHagimoto 0:56c5742b9e2b 98 _zbar_event_trigger(&thr->activity);
RyoheiHagimoto 0:56c5742b9e2b 99 }
RyoheiHagimoto 0:56c5742b9e2b 100
RyoheiHagimoto 0:56c5742b9e2b 101 static inline zbar_thread_id_t _zbar_thread_self (void)
RyoheiHagimoto 0:56c5742b9e2b 102 {
RyoheiHagimoto 0:56c5742b9e2b 103 return(pthread_self());
RyoheiHagimoto 0:56c5742b9e2b 104 }
RyoheiHagimoto 0:56c5742b9e2b 105
RyoheiHagimoto 0:56c5742b9e2b 106 static inline int _zbar_thread_is_self (zbar_thread_id_t tid)
RyoheiHagimoto 0:56c5742b9e2b 107 {
RyoheiHagimoto 0:56c5742b9e2b 108 return(pthread_equal(tid, pthread_self()));
RyoheiHagimoto 0:56c5742b9e2b 109 }
RyoheiHagimoto 0:56c5742b9e2b 110
RyoheiHagimoto 0:56c5742b9e2b 111
RyoheiHagimoto 0:56c5742b9e2b 112 #else
RyoheiHagimoto 0:56c5742b9e2b 113
RyoheiHagimoto 0:56c5742b9e2b 114 # define _zbar_thread_start(...) -1
RyoheiHagimoto 0:56c5742b9e2b 115 # define _zbar_thread_stop(...) 0
RyoheiHagimoto 0:56c5742b9e2b 116 # define _zbar_thread_self(...) 0
RyoheiHagimoto 0:56c5742b9e2b 117 # define _zbar_thread_is_self(...) 1
RyoheiHagimoto 0:56c5742b9e2b 118
RyoheiHagimoto 0:56c5742b9e2b 119 #endif
RyoheiHagimoto 0:56c5742b9e2b 120
RyoheiHagimoto 0:56c5742b9e2b 121 #ifdef HAVE_THREADS
RyoheiHagimoto 0:56c5742b9e2b 122 extern int _zbar_thread_start(zbar_thread_t*, zbar_thread_proc_t*,
RyoheiHagimoto 0:56c5742b9e2b 123 void*, zbar_mutex_t*);
RyoheiHagimoto 0:56c5742b9e2b 124 extern int _zbar_thread_stop(zbar_thread_t*, zbar_mutex_t*);
RyoheiHagimoto 0:56c5742b9e2b 125 #endif
RyoheiHagimoto 0:56c5742b9e2b 126
RyoheiHagimoto 0:56c5742b9e2b 127 #endif
RyoheiHagimoto 0:56c5742b9e2b 128