1 files changed, 154 insertions, 0 deletions
diff --git a/gcc/gthr-rtems.h b/gcc/gthr-rtems.h
new file mode 100644
index 0000000..6069f19
--- /dev/null
+++ b/gcc/gthr-rtems.h
@@ -0,0 +1,154 @@
+/* RTEMS threads compatibility routines for libgcc2 and libobjc.
+   by: Rosimildo da Silva( rdasilva@connecttel.com ) */
+/* Compile this one with gcc.  */
+/* Copyright (C) 1997, 1999, 2000, 2002, 2003, 2005 
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
+
+/* As a special exception, if you link this library with other files,
+   some of which are compiled with GCC, to produce an executable,
+   this library does not by itself cause the resulting executable
+   to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+#ifndef GCC_GTHR_RTEMS_H
+#define GCC_GTHR_RTEMS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define __GTHREADS 1
+
+#define __GTHREAD_ONCE_INIT  0
+#define __GTHREAD_MUTEX_INIT 0
+#define __GTHREAD_MUTEX_INIT_FUNCTION  rtems_gxx_mutex_init
+#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION  rtems_gxx_recursive_mutex_init
+
+/* Avoid dependency on rtems specific headers.  */
+typedef void *__gthread_key_t;
+typedef int   __gthread_once_t;
+typedef void *__gthread_mutex_t;
+typedef void *__gthread_recursive_mutex_t;
+
+/*
+ * External functions provided by RTEMS. They are very similar to their POSIX
+ * counterparts. A "Wrapper API" is being use to avoid dependency on any RTEMS
+ * header files.
+ */
+
+/* generic per task variables */
+extern int rtems_gxx_once (__gthread_once_t *once, void (*func) (void));
+extern int rtems_gxx_key_create (__gthread_key_t *key, void (*dtor) (void *));
+extern int rtems_gxx_key_delete (__gthread_key_t key);
+extern void *rtems_gxx_getspecific (__gthread_key_t key);
+extern int rtems_gxx_setspecific (__gthread_key_t key, const void *ptr);
+
+/* mutex support */
+extern void rtems_gxx_mutex_init (__gthread_mutex_t *mutex);
+extern int rtems_gxx_mutex_lock (__gthread_mutex_t *mutex);
+extern int rtems_gxx_mutex_trylock (__gthread_mutex_t *mutex);
+extern int rtems_gxx_mutex_unlock (__gthread_mutex_t *mutex);
+
+/* recursive mutex support */
+extern void rtems_gxx_recursive_mutex_init (__gthread_recursive_mutex_t *mutex);
+extern int rtems_gxx_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex);
+extern int rtems_gxx_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex);
+extern int rtems_gxx_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex);
+
+/* RTEMS threading is always active */
+static inline int
+__gthread_active_p (void)
+{
+  return 1;
+}
+
+/* Wrapper calls */
+static inline int
+__gthread_once (__gthread_once_t *once, void (*func) (void))
+{
+   return rtems_gxx_once( once, func );
+}
+
+static inline int
+__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
+{
+  return rtems_gxx_key_create( key, dtor );
+}
+
+static inline int
+__gthread_key_delete (__gthread_key_t key)
+{
+  return rtems_gxx_key_delete (key);
+}
+
+static inline void *
+__gthread_getspecific (__gthread_key_t key)
+{
+  return rtems_gxx_getspecific (key);
+}
+
+static inline int
+__gthread_setspecific (__gthread_key_t key, const void *ptr)
+{
+  return rtems_gxx_setspecific (key, ptr);
+}
+
+static inline int
+__gthread_mutex_lock (__gthread_mutex_t *mutex)
+{
+    return rtems_gxx_mutex_lock (mutex);
+}
+
+static inline int
+__gthread_mutex_trylock (__gthread_mutex_t *mutex)
+{
+    return rtems_gxx_mutex_trylock (mutex);
+}
+
+static inline int
+__gthread_mutex_unlock (__gthread_mutex_t *mutex)
+{
+    return rtems_gxx_mutex_unlock( mutex );
+}
+
+static inline int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
+{
+    return rtems_gxx_recursive_mutex_lock (mutex);
+}
+
+static inline int
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
+{
+    return rtems_gxx_recursive_mutex_trylock (mutex);
+}
+
+static inline int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
+{
+    return rtems_gxx_recursive_mutex_unlock( mutex );
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! GCC_GTHR_RTEMS_H */