Initial revision

From-SVN: r26263

libjava/include/no-threads.h

@@ -0,0 +1,154 @@
+// -*- c++ -*-
+// no-threads.h - Defines for using no threads.
+
+/* Copyright (C) 1998, 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#ifndef __JV_NO_THREADS__
+#define __JV_NO_THREADS__
+
+#include "config.h"
+
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+//
+// Typedefs.
+//
+
+typedef int _Jv_ConditionVariable_t;
+typedef int _Jv_Mutex_t;
+typedef int _Jv_Thread_t;
+typedef void _Jv_ThreadStartFunc (java::lang::Thread *);
+
+
+//
+// Condition variables.
+//
+
+inline void
+_Jv_CondInit (_Jv_ConditionVariable_t *)
+{
+}
+
+// Waiting is ok provided there is a timeout.  Otherwise we will just
+// wait forever.
+inline int
+_Jv_CondWait (_Jv_ConditionVariable_t *, _Jv_Mutex_t *,
+	      jlong millis, jint nanos)
+{
+  if (millis == 0 && nanos == 0)
+    JvFail ("_Jv_CondWait without timeout");
+
+#ifdef HAVE_SLEEP
+  int seconds = millis / 1000;
+  if (seconds > 0)
+    sleep (seconds);
+#endif
+
+  return 0;
+}
+
+inline int
+_Jv_CondNotify (_Jv_ConditionVariable_t *, _Jv_Mutex_t *)
+{
+  // It is ok to notify -- it just has no effect.
+  return 0;
+}
+
+inline int
+_Jv_CondNotifyAll (_Jv_ConditionVariable_t *, _Jv_Mutex_t *)
+{
+  // It is ok to notify -- it just has no effect.
+  return 0;
+}
+
+
+//
+// Mutexes.
+//
+
+inline void
+_Jv_MutexInit (_Jv_Mutex_t *)
+{
+}
+
+inline int
+_Jv_MutexLock (_Jv_Mutex_t *)
+{
+  return 0;
+}
+
+inline int
+_Jv_MutexUnlock (_Jv_Mutex_t *)
+{
+  return 0;
+}
+
+
+//
+// Thread creation and manipulation.
+//
+
+inline void
+_Jv_InitThreads (void)
+{
+}
+
+inline void
+_Jv_ThreadInitData (_Jv_Thread_t **data, java::lang::Thread *)
+{
+  *data = NULL;
+}
+
+inline java::lang::Thread *
+_Jv_ThreadCurrent (void)
+{
+  extern java::lang::Thread *_Jv_OnlyThread;
+  return _Jv_OnlyThread;
+}
+
+inline void
+_Jv_ThreadYield (void)
+{
+}
+
+inline void
+_Jv_ThreadSetPriority (_Jv_Thread_t *, jint)
+{
+}
+
+inline void
+_Jv_ThreadCancel (_Jv_Thread_t *, void *)
+{
+  JvFail ("_Jv_ThreadCancel");
+}
+
+// Like Cancel, but doesn't run cleanups.
+inline void
+_Jv_ThreadDestroy (_Jv_Thread_t *)
+{
+  JvFail ("_Jv_ThreadDestroy");
+}
+
+void _Jv_ThreadStart (java::lang::Thread *, _Jv_Thread_t *,
+		      _Jv_ThreadStartFunc *meth);
+
+inline void
+_Jv_ThreadWait (void)
+{
+}
+
+inline void
+_Jv_ThreadInterrupt (_Jv_Thread_t *)
+{
+}
+
+#endif /* __JV_NO_THREADS__ */