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-rw-r--r-- | libguile/inline.c | 49 | ||||
-rw-r--r-- | libguile/inline.h | 156 |
2 files changed, 205 insertions, 0 deletions
diff --git a/libguile/inline.c b/libguile/inline.c new file mode 100644 index 000000000..3ec21e55c --- /dev/null +++ b/libguile/inline.c @@ -0,0 +1,49 @@ +/* Copyright (C) 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 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/scmconfig.h" + +#ifndef HAVE_INLINE + +#define HAVE_INLINE +#include "libguile/inline.h" + +#endif diff --git a/libguile/inline.h b/libguile/inline.h new file mode 100644 index 000000000..c25bc3ad7 --- /dev/null +++ b/libguile/inline.h @@ -0,0 +1,156 @@ +/* classes: h_files */ + +#ifndef SCM_INLINE_H +#define SCM_INLINE_H + +/* Copyright (C) 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 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. */ + +/* This file is for inline functions. On platforms that don't support + inlining functions, they are turned into ordinary functions. See + "inline.c". +*/ + +#include "libguile/pairs.h" +#include "libguile/gc.h" + +#ifdef HAVE_INLINE + +static inline SCM +scm_alloc_cell (scm_t_bits car, scm_t_bits cdr) +{ + SCM z; + +#ifdef GUILE_DEBUG_FREELIST + scm_newcell_count++; + if (scm_debug_check_freelist) + { + scm_check_freelist (scm_freelist); + scm_gc(); + } +#endif + + if (SCM_NULLP (scm_freelist)) + { + z = scm_gc_for_newcell (&scm_master_freelist, &scm_freelist); + } + else + { + z = scm_freelist; + scm_freelist = SCM_FREE_CELL_CDR (scm_freelist); + } + + /* Initialize the type slot last so that the cell is ignored by the + GC until it is completely initialized. This is only relevant + when the GC can actually run during this code, which it can't for + cooperating threads, but it might be important when we get true + preemptive threads. + */ + SCM_SET_CELL_WORD_1 (z, cdr); + SCM_SET_CELL_WORD_0 (z, car); + +#ifdef USE_THREADS +#ifndef USE_COOP_THREADS + /* When we are using non-cooperating threads, we might need to make + sure that the initial values for the slots are protected until + the cell is completely initialized. + */ +#error review me + scm_remember_upto_here_1 (SCM_PACK (cdr)); +#endif +#endif + + return z; +} + +static inline SCM +scm_alloc_double_cell (scm_t_bits car, scm_t_bits cbr, + scm_t_bits ccr, scm_t_bits cdr) +{ + SCM z; + +#ifdef GUILE_DEBUG_FREELIST + scm_newcell2_count++; + if (scm_debug_check_freelist) + { + scm_check_freelist (scm_freelist2); + scm_gc(); + } +#endif + + if (SCM_NULLP (scm_freelist2)) + { + z = scm_gc_for_newcell (&scm_master_freelist2, &scm_freelist2); + } + else + { + z = scm_freelist2; + scm_freelist2 = SCM_FREE_CELL_CDR (scm_freelist2); + } + + /* Initialize the type slot last so that the cell is ignored by the + GC until it is completely initialized. This is only relevant + when the GC can actually run during this code, which it can't for + cooperating threads, but it might be important when we get true + preemptive threads. + */ + SCM_SET_CELL_WORD_1 (z, cbr); + SCM_SET_CELL_WORD_2 (z, ccr); + SCM_SET_CELL_WORD_3 (z, cdr); + SCM_SET_CELL_WORD_0 (z, car); + +#ifdef USE_THREADS +#ifndef USE_COOP_THREADS + /* When we are using non-cooperating threads, we might need to make + sure that the initial values for the slots are protected until + the cell is completely initialized. + */ +#error review me + scm_remember_upto_here_3 (SCM_PACK (cbr), SCM_PACK (ccr), SCM_PACK (cdr)); +#endif +#endif + + return z; +} + +#endif + +#endif |