/* classes: h_files */
-#ifndef ROOTH
-#define ROOTH
+#ifndef SCM_ROOT_H
+#define SCM_ROOT_H
-/* Copyright (C) 1996,1998, 2000 Free Software Foundation, Inc.
- *
+/* Copyright (C) 1996,1998,2000,2001, 2002 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,
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
-/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
- gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
-\f
-
\f
#include "libguile/__scm.h"
#define scm_undefineds scm_sys_protects[2]
#define scm_nullvect scm_sys_protects[3]
#define scm_nullstr scm_sys_protects[4]
-#define scm_symhash scm_sys_protects[5]
-#define scm_symhash_vars scm_sys_protects[6]
-#define scm_keyword_obarray scm_sys_protects[7]
-#define scm_stand_in_procs scm_sys_protects[8]
-#define scm_object_whash scm_sys_protects[9]
-#define scm_permobjs scm_sys_protects[10]
-#define scm_asyncs scm_sys_protects[11]
-#define scm_protects scm_sys_protects[12]
-#define scm_properties_whash scm_sys_protects[13]
+#define scm_keyword_obarray scm_sys_protects[5]
+#define scm_stand_in_procs scm_sys_protects[6]
+#define scm_object_whash scm_sys_protects[7]
+#define scm_permobjs scm_sys_protects[8]
+#define scm_asyncs scm_sys_protects[9]
+#define scm_protects scm_sys_protects[10]
+#define scm_properties_whash scm_sys_protects[11]
+#define scm_gc_registered_roots scm_sys_protects[12]
#ifdef DEBUG_EXTENSIONS
-#define scm_source_whash scm_sys_protects[14]
-#define SCM_NUM_PROTECTS 15
-#else
+#define scm_source_whash scm_sys_protects[13]
#define SCM_NUM_PROTECTS 14
+#else
+#define SCM_NUM_PROTECTS 13
#endif
-extern SCM scm_sys_protects[];
+SCM_API SCM scm_sys_protects[];
\f
-extern scm_bits_t scm_tc16_root;
+SCM_API scm_t_bits scm_tc16_root;
#define SCM_ROOTP(obj) SCM_TYP16_PREDICATE (scm_tc16_root, obj)
#define SCM_ROOT_STATE(root) ((scm_root_state *) SCM_CELL_WORD_1 (root))
SCM rootcont;
SCM dynwinds;
- SCM continuation_stack;
- SCM continuation_stack_ptr;
#ifdef DEBUG_EXTENSIONS
/* It is very inefficient to have this variable in the root state. */
- scm_debug_frame *last_debug_frame;
+ scm_t_debug_frame *last_debug_frame;
#endif
SCM progargs; /* vestigial */
SCM cur_inp;
SCM cur_outp;
SCM cur_errp;
- SCM def_inp;
- SCM def_outp;
- SCM def_errp;
SCM cur_loadp;
SCM fluids;
SCM handle; /* The root object for this root state */
SCM parent; /* The parent root object */
+
+ SCM active_asyncs; /* The thunks to be run at the next
+ safe point */
+ SCM signal_asyncs; /* The pre-queued cells for signal handlers.
+ */
+ unsigned int block_asyncs; /* Non-zero means that asyncs should
+ not be run. */
+ unsigned int pending_asyncs; /* Non-zero means that asyncs might be pending.
+ */
} scm_root_state;
#define scm_stack_base (scm_root->stack_base)
#define scm_rootcont (scm_root->rootcont)
#define scm_dynwinds (scm_root->dynwinds)
-#define scm_continuation_stack (scm_root->continuation_stack)
-#define scm_continuation_stack_ptr (scm_root->continuation_stack_ptr)
#define scm_progargs (scm_root->progargs)
-#ifdef USE_THREADS
#define scm_last_debug_frame (scm_root->last_debug_frame)
-#endif
#define scm_exitval (scm_root->exitval)
#define scm_cur_inp (scm_root->cur_inp)
#define scm_cur_outp (scm_root->cur_outp)
#define scm_cur_errp (scm_root->cur_errp)
-#define scm_def_inp (scm_root->def_inp)
-#define scm_def_outp (scm_root->def_outp)
-#define scm_def_errp (scm_root->def_errp)
#define scm_cur_loadp (scm_root->cur_loadp)
-
-#ifdef USE_THREADS
-#define scm_root ((scm_root_state *) SCM_THREAD_LOCAL_DATA)
-#define scm_set_root(new_root) SCM_SET_THREAD_LOCAL_DATA (new_root)
-#else /* USE_THREADS */
-extern struct scm_root_state *scm_root;
-#define scm_set_root(new_root) (scm_root = (new_root))
-#endif /* USE_THREADS */
-
-\f
-extern SCM scm_make_root (SCM parent);
-extern SCM scm_internal_cwdr (scm_catch_body_t body,
- void *body_data,
- scm_catch_handler_t handler,
- void *handler_data,
- SCM_STACKITEM *stack_start);
-extern SCM scm_call_with_dynamic_root (SCM thunk, SCM handler);
-extern SCM scm_dynamic_root (void);
-extern SCM scm_apply_with_dynamic_root (SCM proc, SCM a1, SCM args, SCM handler);
-extern void scm_init_root (void);
+#define scm_root ((scm_root_state *) SCM_THREAD_LOCAL_DATA)
+#define scm_set_root(new_root) SCM_SET_THREAD_LOCAL_DATA (new_root)
\f
-#if (SCM_DEBUG_DEPRECATED == 0)
-
-/* Use the catch functions from throw.[ch] instead of: */
-extern SCM scm_call_catching_errors (SCM (*thunk)(), SCM (*err_filter)(), void * closure);
-
-#endif /* SCM_DEBUG_DEPRECATED == 0 */
-
-#endif /* ROOTH */
+SCM_API SCM scm_make_root (SCM parent);
+SCM_API SCM scm_internal_cwdr (scm_t_catch_body body,
+ void *body_data,
+ scm_t_catch_handler handler,
+ void *handler_data,
+ SCM_STACKITEM *stack_start);
+SCM_API SCM scm_call_with_dynamic_root (SCM thunk, SCM handler);
+SCM_API SCM scm_dynamic_root (void);
+SCM_API SCM scm_apply_with_dynamic_root (SCM proc, SCM a1, SCM args, SCM handler);
+SCM_API void scm_init_root (void);
+
+#endif /* SCM_ROOT_H */
/*
Local Variables: