Add 2009 to copyright years.

[gnu-emacs] / src / alloc.c

diff --git a/src/alloc.c b/src/alloc.c
index fe37eec93793d6099b1f5a8b21b11e39e207cdd9..90c743a5d38f14aabdbaae476c06bfb808db7021 100644 (file)
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1,14 +1,14 @@
 /* Storage allocation and gc for GNU Emacs Lisp interpreter.
    Copyright (C) 1985, 1986, 1988, 1993, 1994, 1995, 1997, 1998, 1999,
-      2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+      2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
       Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs 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 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -16,9 +16,7 @@ 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 GNU Emacs; see the file COPYING.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
@@ -501,7 +499,7 @@ struct gcpro *gcprolist;
 /* Addresses of staticpro'd variables.  Initialize it to a nonzero
    value; otherwise some compilers put it into BSS.  */
 
-#define NSTATICS 0x600
+#define NSTATICS 0x640
 static Lisp_Object *staticvec[NSTATICS] = {&Vpurify_flag};
 
 /* Index of next unused slot in staticvec.  */
@@ -799,6 +797,8 @@ void
 xfree (block)
      POINTER_TYPE *block;
 {
+  if (!block)
+    return;
   MALLOC_BLOCK_INPUT;
   free (block);
   MALLOC_UNBLOCK_INPUT;
@@ -1366,6 +1366,7 @@ void
 uninterrupt_malloc ()
 {
 #ifdef HAVE_GTK_AND_PTHREAD
+#ifdef DOUG_LEA_MALLOC
   pthread_mutexattr_t attr;
 
   /*  GLIBC has a faster way to do this, but lets keep it portable.
@@ -1373,6 +1374,11 @@ uninterrupt_malloc ()
   pthread_mutexattr_init (&attr);
   pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE);
   pthread_mutex_init (&alloc_mutex, &attr);
+#else  /* !DOUG_LEA_MALLOC */
+  /* Some systems such as Solaris 2.6 doesn't have a recursive mutex,
+     and the bundled gmalloc.c doesn't require it.  */
+  pthread_mutex_init (&alloc_mutex, NULL);
+#endif /* !DOUG_LEA_MALLOC */
 #endif /* HAVE_GTK_AND_PTHREAD */
 
   if (__free_hook != emacs_blocked_free)
@@ -1535,7 +1541,7 @@ mark_interval_tree (tree)
   } while (0)
 
 \f
-/* Number support.  If NO_UNION_TYPE isn't in effect, we
+/* Number support.  If USE_LISP_UNION_TYPE is in effect, we
    can't create number objects in macros.  */
 #ifndef make_number
 Lisp_Object
@@ -4481,7 +4487,7 @@ mark_stack ()
   /* Fixme: Code in the Boehm GC suggests flushing (with `flushrs') is
      needed on ia64 too.  See mach_dep.c, where it also says inline
      assembler doesn't work with relevant proprietary compilers.  */
-#ifdef sparc
+#ifdef __sparc__
   asm ("ta 3");
 #endif
 
@@ -6243,6 +6249,7 @@ init_alloc_once ()
   init_marker ();
   init_float ();
   init_intervals ();
+  init_weak_hash_tables ();
 
 #ifdef REL_ALLOC
   malloc_hysteresis = 32;