--- /dev/null
+/* $Id$ */
+
+/* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#ifndef _XBT_CONTEXT_H
+#define _XBT_CONTEXT_H
+
+#include "xbt/misc.h"
+#include "xbt/dynar.h" /* void_f_pvoid_t */
+
+/** @addtogroup XBT_context
+ *
+ * INTERNALS OF SIMGRID, DON'T USE IT.
+ *
+ * This is a portable to Unix and Windows context implementation.
+ *
+ * @{
+ */
+
+/** @name Context types
+ * @{
+ */
+
+ /** @brief A context */
+ typedef struct s_xbt_context *xbt_context_t;
+ /** @brief A context function */
+ typedef int(*xbt_context_function_t)(int argc, char *argv[]);
+
+/*@}*/
+
+void xbt_context_init(void);
+void xbt_context_exit(void);
+void xbt_context_empty_trash(void);
+xbt_context_t xbt_context_new(xbt_context_function_t code,
+ void_f_pvoid_t startup_func, void *startup_arg,
+ void_f_pvoid_t cleanup_func, void *cleanup_arg,
+ int argc, char *argv[]);
+void xbt_context_free(xbt_context_t context);
+void xbt_context_start(xbt_context_t context);
+void xbt_context_yield(void);
+void xbt_context_schedule(xbt_context_t context);
+/*@} */
+#endif /* _XBT_CONTEXT_H */