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authorMarius Vollmer <mvo@zagadka.de>2001-11-25 14:45:17 +0000
committerMarius Vollmer <mvo@zagadka.de>2001-11-25 14:45:17 +0000
commit16ea96206da60ab69ce3f0eef80995b5e44c305b (patch)
tree41ee5aafaa1fa9656260f5541622fd7833503b7b /libguile/inline.h
parent5bd732c952a135c2a93df512f6b9bb469d1c49a8 (diff)
downloadguile-16ea96206da60ab69ce3f0eef80995b5e44c305b.tar.gz
New files.
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diff --git a/libguile/inline.h b/libguile/inline.h
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+/* 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