diff options
Diffstat (limited to 'setjump.h')
| -rw-r--r-- | setjump.h | 24 |
1 files changed, 17 insertions, 7 deletions
@@ -1,18 +1,18 @@ /* Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1997 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, 675 Mass Ave, Cambridge, MA 02139, USA. + * the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111, USA. * * As a special exception, the Free Software Foundation gives permission * for additional uses of the text contained in its release of GUILE. @@ -36,7 +36,7 @@ * * 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. + * If you do not wish that, delete this exception notice. */ /* "setjump.h" memory and stack parameters. @@ -125,11 +125,21 @@ /* other.dynenv and other.parent get GCed just by being there. */ struct scm_other {SCM dynenv; SCM parent; - SCM env; + SCM stkframe[2]; + SCM estk; + SCM *estk_ptr; }; #define CONTINUATION_OTHER struct scm_other #define CONT(x) ((CONTINUATION *)CDR(x)) #define SETCONT SETCDR -void dowinds P((SCM to, long delta)); +void dowinds P((SCM to)); #include "continue.h" + +typedef struct safeport { + SCM port; + jmp_buf jmpbuf; /* The usual C jmp_buf, not SCM's jump_buf */ + int ccnt; +} safeport; + +#define SAFEP_JMPBUF(sfp) (((safeport *)STREAM(sfp))->jmpbuf) |