pure sdk for main

2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
@@ -0,0 +1,127 @@
+/*------------------------------------------------------------------------
+ *  Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
+ *
+ *  This file is part of the ZBar Bar Code Reader.
+ *
+ *  The ZBar Bar Code Reader is free software; you can redistribute it
+ *  and/or modify it under the terms of the GNU Lesser Public License as
+ *  published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  The ZBar Bar Code Reader 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 Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser Public License
+ *  along with the ZBar Bar Code Reader; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ *  Boston, MA  02110-1301  USA
+ *
+ *  http://sourceforge.net/projects/zbar
+ *------------------------------------------------------------------------*/
+#ifndef _ZBAR_THREAD_H_
+#define _ZBAR_THREAD_H_
+
+/* simple platform thread abstraction
+ */
+
+#include <zbar_config.h>
+#include "event.h"
+
+#if defined(_WIN32)
+
+# include <windows.h>
+# define HAVE_THREADS
+# define ZTHREAD DWORD WINAPI
+
+typedef ZTHREAD (zbar_thread_proc_t)(void*);
+
+typedef DWORD zbar_thread_id_t;
+
+#elif defined(HAVE_LIBPTHREAD)
+
+# include <pthread.h>
+# include <signal.h>
+# define HAVE_THREADS
+# define ZTHREAD void*
+
+typedef ZTHREAD (zbar_thread_proc_t)(void*);
+
+typedef pthread_t zbar_thread_id_t;
+
+#else
+
+# undef HAVE_THREADS
+# undef ZTHREAD
+
+typedef void zbar_thread_proc_t;
+typedef int zbar_thread_id_t;
+
+#endif
+
+
+typedef struct zbar_thread_s {
+    zbar_thread_id_t tid;
+    int started, running;
+    zbar_event_t notify, activity;
+} zbar_thread_t;
+
+
+#if defined(_WIN32)
+
+static inline void _zbar_thread_init (zbar_thread_t *thr)
+{
+    thr->running = 1;
+    _zbar_event_trigger(&thr->activity);
+}
+
+static inline zbar_thread_id_t _zbar_thread_self ()
+{
+    return(GetCurrentThreadId());
+}
+
+static inline int _zbar_thread_is_self (zbar_thread_id_t tid)
+{
+    return(tid == GetCurrentThreadId());
+}
+
+
+#elif defined(HAVE_LIBPTHREAD)
+
+static inline void _zbar_thread_init (zbar_thread_t *thr)
+{
+    sigset_t sigs;
+    sigfillset(&sigs);
+    pthread_sigmask(SIG_BLOCK, &sigs, NULL);
+    thr->running = 1;
+    _zbar_event_trigger(&thr->activity);
+}
+
+static inline zbar_thread_id_t _zbar_thread_self (void)
+{
+    return(pthread_self());
+}
+
+static inline int _zbar_thread_is_self (zbar_thread_id_t tid)
+{
+    return(pthread_equal(tid, pthread_self()));
+}
+
+
+#else
+
+# define _zbar_thread_start(...) -1
+# define _zbar_thread_stop(...) 0
+# define _zbar_thread_self(...) 0
+# define _zbar_thread_is_self(...) 1
+
+#endif
+
+#ifdef HAVE_THREADS
+extern int _zbar_thread_start(zbar_thread_t*, zbar_thread_proc_t*,
+                              void*, zbar_mutex_t*);
+extern int _zbar_thread_stop(zbar_thread_t*, zbar_mutex_t*);
+#endif
+
+#endif