micro-optimization in (web server)

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

/* Copyright (C) 2010, 2011, 2012  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 3 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
 */

#ifndef SCM_CONTROL_H
#define SCM_CONTROL_H


typedef struct
{
  scm_t_uint8 *ip;
  SCM *sp;
  SCM *fp;
  scm_t_int64 cookie;
  scm_i_jmp_buf regs;  
} scm_t_prompt_registers;


SCM_INTERNAL scm_t_prompt_registers*
scm_c_make_prompt_registers (SCM *fp, SCM *sp,
                             scm_t_uint8 *abort_ip,
                             scm_t_int64 vm_cookie);

SCM_INTERNAL SCM scm_i_prompt_pop_abort_args_x (SCM vm);

SCM_INTERNAL void scm_c_abort (SCM vm, SCM tag, size_t n, SCM *argv,
                               scm_t_int64 cookie) SCM_NORETURN;
SCM_INTERNAL SCM scm_at_abort (SCM tag, SCM args) SCM_NORETURN;


SCM_INTERNAL void scm_init_control (void);


#endif /* SCM_CONTROL_H */