1 files changed, 123 insertions, 0 deletions
diff --git a/mpeglib/lib/util/abstract/abs_thread.h b/mpeglib/lib/util/abstract/abs_thread.h
new file mode 100644
index 00000000..f65445d8
--- /dev/null
+++ b/mpeglib/lib/util/abstract/abs_thread.h
@@ -0,0 +1,123 @@
+/*
+  abstraction for threads
+  Copyright (C) 2000 Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+#ifndef __ABS_THREAD_H
+#define __ABS_THREAD_H
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/**
+   This passed alle pthread_xxx calls to this interface, thus
+   it can be easier replaced with other thread "layers"
+
+   All posix pthread calls are conveterd to abs_thread.
+*/
+
+extern "C" {
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+}
+
+#define _ABS_BUSY EBUSY
+
+#ifndef SDL_WRAPPER
+// definitions for direct pthread support
+#include <pthread.h>
+
+typedef pthread_mutex_t abs_thread_mutex_t;
+typedef pthread_cond_t abs_thread_cond_t;
+typedef pthread_t abs_thread_t;
+
+
+
+#define abs_thread_cond_init(cond) pthread_cond_init(cond,NULL)
+#define abs_thread_cond_destroy(cond) pthread_cond_destroy(cond)
+#define abs_thread_cond_signal(cond) pthread_cond_signal(cond)
+#define abs_thread_cond_wait(cond,mutex) pthread_cond_wait(cond,mutex)
+
+// CREATE / JOIN THREAD
+
+#define abs_thread_create(thread,func,arg) pthread_create(thread,NULL,func,arg)
+#define abs_thread_join(th,thread_return) pthread_join(th,thread_return)
+
+// MUTEX FUNCTIONS
+
+#define abs_thread_mutex_lock(mutex) pthread_mutex_lock(mutex)
+#define abs_thread_mutex_unlock(mutex) pthread_mutex_unlock(mutex)
+#define abs_thread_mutex_init(mutex) pthread_mutex_init(mutex,NULL)
+#define abs_thread_mutex_destroy(mutex) pthread_mutex_destroy(mutex)
+
+#endif
+// not SDL_WRAPPER
+
+#ifdef SDL_WRAPPER
+
+
+// SDL SUPPORT DISABLED 
+
+#if defined WIN32
+  #include <SDL_thread.h>
+  #include <SDL_mutex.h>
+#else
+  #include <SDL/SDL_thread.h>
+  #include <SDL/SDL_mutex.h>
+#endif
+
+
+typedef SDL_mutex* abs_thread_mutex_t;
+typedef SDL_cond*  abs_thread_cond_t;
+typedef SDL_Thread* abs_thread_t;
+
+// SIGNAL FUNCTIONS
+// note we have _no_ cond attribut (not needed)
+int abs_thread_cond_init(abs_thread_cond_t* cond);
+int abs_thread_cond_destroy(abs_thread_cond_t *cond);
+
+int abs_thread_cond_signal(abs_thread_cond_t* cond);
+
+int abs_thread_cond_wait(abs_thread_cond_t* cond,
+			 abs_thread_mutex_t *mutex);
+// CREATE / JOIN THREAD
+// Note: we have thread attribute
+int abs_thread_create(abs_thread_t* thread,
+		      void * (*start_routine)(void *), void * arg);
+
+int abs_thread_join(abs_thread_t th, 
+		    void **thread_return);
+
+
+// MUTEX FUNCTIONS
+
+int abs_thread_mutex_lock(abs_thread_mutex_t *mutex);
+int abs_thread_mutex_trylock(abs_thread_mutex_t *mutex);
+int abs_thread_mutex_unlock(abs_thread_mutex_t *mutex);
+// not attribute!
+int abs_thread_mutex_init(abs_thread_mutex_t   *mutex);
+
+int abs_thread_mutex_destroy(abs_thread_mutex_t *mutex);
+
+
+
+#endif
+//SDL_WRAPPER
+
+
+
+#endif
+
+