X-Git-Url: https://git.hcoop.net/bpt/guile.git/blobdiff_plain/89e00824a036e0490aa91d50401450059d9b1dd2..10fb3386dd186244becc493d83c291b9bec2075e:/libguile/stackchk.h

diff --git a/libguile/stackchk.h b/libguile/stackchk.h
dissimilarity index 78%
index 18c6b50e5..9a5c59f71 100644
--- a/libguile/stackchk.h
+++ b/libguile/stackchk.h
@@ -1,98 +1,71 @@
-/* classes: h_files */
-
-#ifndef STACKCHKH
-#define STACKCHKH
-/*	Copyright (C) 1995,1996,1998 Free Software Foundation, Inc.
- * 
- * This program 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.
- * 
- * This program 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 this software; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE.  If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way.  To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.  */
-
-#include "libguile/__scm.h"
-
-#include "libguile/continuations.h"
-#ifdef DEBUG_EXTENSIONS
-#include "libguile/debug.h"
-#endif
-
-
-/* With debug extensions we have the possibility to use the debug options
- * to disable stack checking.
- */
-#ifdef DEBUG_EXTENSIONS
-#define SCM_STACK_CHECKING_P SCM_STACK_LIMIT
-#else
-/* *fixme* This option should be settable also without debug extensions. */
-#define SCM_STACK_LIMIT 100000
-#define SCM_STACK_CHECKING_P 1
-#endif
-
-#ifdef STACK_CHECKING
-# ifdef SCM_STACK_GROWS_UP
-#  define SCM_STACK_OVERFLOW_P(s)\
-   (s > ((SCM_STACKITEM *) SCM_BASE (scm_rootcont) + SCM_STACK_LIMIT))
-# else
-#  define SCM_STACK_OVERFLOW_P(s)\
-   (s < ((SCM_STACKITEM *) SCM_BASE (scm_rootcont) - SCM_STACK_LIMIT))
-# endif
-# define SCM_CHECK_STACK\
-    {\
-       SCM_STACKITEM stack;\
-       if (SCM_STACK_OVERFLOW_P (&stack) && scm_stack_checking_enabled_p)\
-	 scm_report_stack_overflow ();\
-    }
-#else
-# define SCM_CHECK_STACK /**/
-#endif /* STACK_CHECKING */
-
-extern int scm_stack_checking_enabled_p;
-
-
-
-extern void scm_report_stack_overflow (void);
-extern long scm_stack_size (SCM_STACKITEM *start);
-extern void scm_stack_report (void);
-extern void scm_init_stackchk (void);
-
-#endif  /* STACKCHKH */
-
-/*
-  Local Variables:
-  c-file-style: "gnu"
-  End:
-*/
+/* classes: h_files */
+
+#ifndef SCM_STACKCHK_H
+#define SCM_STACKCHK_H
+
+/* Copyright (C) 1995,1996,1998,2000, 2003, 2006 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+
+#include "libguile/__scm.h"
+
+#include "libguile/continuations.h"
+#include "libguile/debug.h"
+
+
+
+/* With debug options we have the possibility to disable stack checking.
+ */
+#define SCM_STACK_CHECKING_P SCM_STACK_LIMIT
+
+#ifdef STACK_CHECKING
+# if SCM_STACK_GROWS_UP
+#  define SCM_STACK_OVERFLOW_P(s)\
+   (SCM_STACK_PTR (s) \
+    > (SCM_I_CURRENT_THREAD->base + SCM_STACK_LIMIT))
+# else
+#  define SCM_STACK_OVERFLOW_P(s)\
+   (SCM_STACK_PTR (s) \
+    < (SCM_I_CURRENT_THREAD->base - SCM_STACK_LIMIT))
+# endif
+# define SCM_CHECK_STACK\
+    {\
+       SCM_STACKITEM stack;\
+       if (SCM_STACK_OVERFLOW_P (&stack) && scm_stack_checking_enabled_p)\
+	 scm_report_stack_overflow ();\
+    }
+#else
+# define SCM_CHECK_STACK /**/
+#endif /* STACK_CHECKING */
+
+SCM_API int scm_stack_checking_enabled_p;
+
+
+
+SCM_API void scm_report_stack_overflow (void);
+SCM_API long scm_stack_size (SCM_STACKITEM *start);
+SCM_API void scm_stack_report (void);
+SCM_API void scm_init_stackchk (void);
+
+#endif  /* SCM_STACKCHK_H */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/