X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Falloc-pool.h;h=fa9848a2b9b84dc7fcbf211b262fafe198954bac;hb=bcb496f443c82748f478105597e5ab8828067812;hp=0eb2c9685b8b52f58b74bcc91884c8790fe71612;hpb=0364c2b48c99a782c042027da4c549994adce949;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/alloc-pool.h b/gcc/alloc-pool.h
index 0eb2c9685b8..fa9848a2b9b 100644
--- a/gcc/alloc-pool.h
+++ b/gcc/alloc-pool.h
@@ -1,5 +1,5 @@
 /* Functions to support a pool of allocatable objects
-   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2007
    Free Software Foundation, Inc.
    Contributed by Daniel Berlin <dan@cgsoftware.com>
 
@@ -7,7 +7,7 @@ This file is part of GCC.
 
 GCC 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)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
 GCC is distributed in the hope that it will be useful,
@@ -16,9 +16,8 @@ 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 GCC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 #ifndef ALLOC_POOL_H
 #define ALLOC_POOL_H
 
@@ -37,7 +36,18 @@ typedef struct alloc_pool_def
   ALLOC_POOL_ID_TYPE id;
 #endif
   size_t elts_per_block;
-  alloc_pool_list free_list;
+
+  /* These are the elements that have been allocated at least once and freed.  */
+  alloc_pool_list returned_free_list;
+
+  /* These are the elements that have not yet been allocated out of
+     the last block obtained from XNEWVEC.  */
+  char* virgin_free_list;
+
+  /* The number of elements in the virgin_free_list that can be
+     allocated before needing another block.  */
+  size_t virgin_elts_remaining;
+
   size_t elts_allocated;
   size_t elts_free;
   size_t blocks_allocated;
@@ -49,6 +59,8 @@ typedef struct alloc_pool_def
 
 extern alloc_pool create_alloc_pool (const char *, size_t, size_t);
 extern void free_alloc_pool (alloc_pool);
+extern void empty_alloc_pool (alloc_pool);
+extern void free_alloc_pool_if_empty (alloc_pool *);
 extern void *pool_alloc (alloc_pool);
 extern void pool_free (alloc_pool, void *);
 extern void dump_alloc_pool_statistics (void);