Reusing threadobjects.
[cacao.git] / src / threads / threads-common.h
index 9fab77ae9c9a6910839e3fd3cd6def10c799a5c8..e1ee59db78d9fbbe50752007fbc292df702e26cb 100644 (file)
@@ -1,9 +1,7 @@
 /* src/threads/threads-common.h - machine independent thread functions
 
-   Copyright (C) 2007 R. Grafl, A. Krall, C. Kruegel,
-   C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
-   E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
-   J. Wenninger, Institut f. Computersprachen - TU Wien
+   Copyright (C) 2007, 2008
+   CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
 
    This file is part of CACAO.
 
@@ -22,8 +20,6 @@
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
 
-   $Id: threads-common.h 8003 2007-06-03 18:42:09Z twisti $
-
 */
 
 
@@ -35,7 +31,7 @@
 
 #include "vm/global.h"
 
-#include "native/jni.h"
+#include "native/llni.h"
 
 #if defined(ENABLE_THREADS)
 # include "threads/native/threads.h"
 
 /* thread states **************************************************************/
 
-#define THREAD_STATE_NEW              1
-#define THREAD_STATE_RUNNABLE         2
-#define THREAD_STATE_BLOCKED          3
-#define THREAD_STATE_WAITING          4
-#define THREAD_STATE_TIMED_WAITING    5
-#define THREAD_STATE_TERMINATED       6
+#define THREAD_STATE_NEW              0
+#define THREAD_STATE_RUNNABLE         1
+#define THREAD_STATE_BLOCKED          2
+#define THREAD_STATE_WAITING          3
+#define THREAD_STATE_TIMED_WAITING    4
+#define THREAD_STATE_TERMINATED       5
 
 
 /* thread priorities **********************************************************/
 #define MAX_PRIORITY     10
 
 
+/* debug **********************************************************************/
+
+#if !defined(NDEBUG)
+# define DEBUGTHREADS(message, thread) \
+       do { \
+               if (opt_DebugThreads) { \
+                       printf("[Thread %-16s: ", message); \
+                       threads_thread_print_info(thread); \
+                       printf("]\n"); \
+               } \
+       } while (0)
+#else
+# define DEBUGTHREADS(message, thread)
+#endif
+
+
 #if defined(__LINUX__)
 /* XXX Remove for exact-GC. */
 extern bool threads_pthreads_implementation_nptl;
 #endif
 
 
+/* inline functions ***********************************************************/
+
+/* threads_thread_get_object ***************************************************
+
+   Return the java.lang.Thread object for the given thread.
+
+*******************************************************************************/
+
+static inline java_handle_t *threads_thread_get_object(threadobject *t)
+{
+       return LLNI_WRAP(t->object);
+}
+
+
+/* threads_thread_set_object ***************************************************
+
+   Set the java.lang.Thread object for the given thread.
+
+*******************************************************************************/
+
+static inline void threads_thread_set_object(threadobject *t, java_handle_t *object)
+{
+       t->object = LLNI_DIRECT(object);
+}
+
+
 /* function prototypes ********************************************************/
 
 void          threads_preinit(void);
@@ -85,7 +123,7 @@ threadobject *threads_thread_new(void);
 void          threads_thread_free(threadobject *t);
 
 bool          threads_thread_start_internal(utf *name, functionptr f);
-void          threads_thread_start(java_lang_Thread *object);
+void          threads_thread_start(java_handle_t *object);
 
 void          threads_thread_print_info(threadobject *t);
 
@@ -97,7 +135,7 @@ void          threads_thread_state_timed_waiting(threadobject *t);
 void          threads_thread_state_terminated(threadobject *t);
 utf          *threads_thread_get_state(threadobject *t);
 
-bool          threads_thread_is_alive(threadobject *thread);
+bool          threads_thread_is_alive(threadobject *t);
 
 void          threads_dump(void);
 void          threads_thread_print_stacktrace(threadobject *thread);
@@ -111,14 +149,23 @@ void          threads_impl_preinit(void);
 void          threads_list_lock(void);
 void          threads_list_unlock(void);
 
+#if defined(ENABLE_GC_CACAO)
+void          threads_mutex_gc_lock(void);
+void          threads_mutex_gc_unlock(void);
+#endif
+
 void          threads_mutex_join_lock(void);
 void          threads_mutex_join_unlock(void);
 
 void          threads_set_current_threadobject(threadobject *thread);
-void          threads_impl_thread_new(threadobject *t);
+void          threads_impl_thread_init(threadobject *t);
+void          threads_impl_thread_clear(threadobject *t);
+void          threads_impl_thread_reuse(threadobject *t);
 void          threads_impl_thread_free(threadobject *t);
 void          threads_impl_thread_start(threadobject *thread, functionptr f);
 
+void          threads_yield(void);
+
 #endif /* ENABLE_THREADS */
 
 #endif /* _THREADS_COMMON_H */