Remove 1/3 == 1.0/3.0, not true.

[bpt/guile.git] / libguile / continuations.h

diff --git a/libguile/continuations.h b/libguile/continuations.h
index 4a0c55c..6f09820 100644 (file)
--- a/libguile/continuations.h
+++ b/libguile/continuations.h
@@ -5,53 +5,30 @@
 
 /* Copyright (C) 1995,1996,2000,2001 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 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 program is distributed in the hope that it will be useful,
+ * 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 General Public License for more details.
+ * 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 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.  */
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
 
 \f
 
 #include "libguile/__scm.h"
 
 #ifdef __ia64__
-#include <sys/ucontext.h>
-extern unsigned long  __libc_ia64_register_backing_store_base;
-#endif
+#include <signal.h>
+#include <ucontext.h>
+extern unsigned long * __libc_ia64_register_backing_store_base;
+#endif /* __ia64__ */
 \f
 
 /* a continuation SCM is a non-immediate pointing to a heap cell with:
@@ -62,7 +39,7 @@ extern unsigned long  __libc_ia64_register_backing_store_base;
           in the num_stack_items field of the structure.
 */
 
-extern scm_t_bits scm_tc16_continuation;
+SCM_API scm_t_bits scm_tc16_continuation;
 
 typedef struct 
 {
@@ -78,11 +55,10 @@ typedef struct
   size_t num_stack_items;   /* size of the saved stack.  */
   unsigned long seq;        /* dynamic root identifier.  */
 
-#ifdef DEBUG_EXTENSIONS
   /* the most recently created debug frame on the live stack, before
      it was saved.  */
   struct scm_t_debug_frame *dframe;
-#endif
+
   SCM_STACKITEM stack[1];    /* copied stack of size num_stack_items.  */ 
 } scm_t_contregs;
 
@@ -91,7 +67,7 @@ typedef struct
 #define SCM_CONTREGS(x)                ((scm_t_contregs *) SCM_CELL_WORD_1 (x))
 
 #define SCM_CONTINUATION_LENGTH(x) (SCM_CONTREGS (x)->num_stack_items)
-#define SCM_SET_CONTINUATION_LENGTH(x,n)\
+#define SCM_SET_CONTINUATION_LENGTH(x, n)\
    (SCM_CONTREGS (x)->num_stack_items = (n))
 #define SCM_JMPBUF(x)          ((SCM_CONTREGS (x))->jmpbuf)
 #define SCM_DYNENV(x)          ((SCM_CONTREGS (x))->dynenv)
@@ -102,8 +78,8 @@ typedef struct
 
 \f
 
-extern SCM scm_make_continuation (int *first);
-extern void scm_init_continuations (void);
+SCM_API SCM scm_make_continuation (int *first);
+SCM_API void scm_init_continuations (void);
 
 #endif  /* SCM_CONTINUATIONS_H */