Updated to fedora-glibc-20070515T2025

ChangeLog

@@ -1,5 +1,50 @@
+2007-05-14  Ulrich Drepper  <drepper@redhat.com>
+
+	* version.h (VERSION): Define to 6.
+	* include/features.h (__GLIBC_MINOR__): Likewise.
+
+	* malloc/malloc.c: Use all small bin slots on 64-bit archs.
+
+	* malloc/malloc.c (largebin_index): Really have 32 buckets with 64
+	sizes.
+
+2007-05-13  Ulrich Drepper  <drepper@redhat.com>
+
+	* malloc/malloc.c [MALLOC_DEBUG]: Keep track of current maximum
+	number of mmaps.  n_mmaps_max is the target.
+	* malloc/hooks.c: Likewise.
+	* malloc/arena.c: Likewise.
+
+2007-05-12  Andreas Jaeger  <aj@suse.de>
+
+	* sysdeps/unix/sysv/linux/tst-getcpu.c: Include <unistd.h> for
+	getpid.
+
+2007-05-11  Ulrich Drepper  <drepper@redhat.com>
+
+	* elf/dl-close.c (_dl_close_worker): Help gcc to optimize by
+	adding new variables.
+
+	* elf/dl-open.c (add_to_global): Introduce variable ns to help gcc
+	optimize.  Completely extend global scope array before making the
+	new entries visible.
+
 2007-05-10  Ulrich Drepper  <drepper@redhat.com>
 
+	* sysdeps/unix/sysv/linux/tst-getcpu.c: New file.
+	* sysdeps/unix/sysv/linux/Makefile [subdir=posix] (tests): Add
+	tst-getcpu.
+
+	* include/link.h: Move l_version and l_nversion members around to
+	fill gaps.
+
+	* scripts/check-c++-types.sh: Don't use -fnu89-inline option.
+
+	* sysdeps/unix/sysv/linux/sched_setaffinity.c
+	(__sched_setaffinity_new): If syscall was successful and
+	RESET_VGETCPU_CACHE is defined, use it before returning.
+	* sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c: New file.
+
 	* io/sys/stat.h: Make sure struct timespec is defined for
 	__USE_ATFILE.
 

README

@@ -1,4 +1,4 @@
-This directory contains the version 2.5 release of the GNU C Library.
+This directory contains the version 2.6 release of the GNU C Library.
 
 The GNU C Library is the standard system C library for all GNU systems,
 and is an important part of what makes up a GNU system.  It provides the
@@ -52,7 +52,7 @@ The GNU C Library supports these configurations for using Linux kernels:
 
 The code for other CPU configurations supported by volunteers outside of
 the core glibc maintenance effort is contained in the separate `ports'
-add-on.  You can find glibc-ports-2.5 distributed separately in the
+add-on.  You can find glibc-ports-2.6 distributed separately in the
 same place where you got the main glibc distribution files.
 Currently these configurations are known to work using the `ports' add-on:
 

elf/dl-close.c

@@ -1,5 +1,5 @@
 /* Close a shared object opened by `_dl_open'.
-   Copyright (C) 1996-2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1996-2005, 2006, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -107,8 +107,6 @@ remove_slotinfo (size_t idx, struct dtv_slotinfo_list *listp, size_t disp,
 void
 _dl_close_worker (struct link_map *map)
 {
-  Lmid_t ns = map->l_ns;
-
   /* One less direct use.  */
   --map->l_direct_opencount;
 
@@ -131,19 +129,22 @@ _dl_close_worker (struct link_map *map)
       return;
     }
 
+  Lmid_t nsid = map->l_ns;
+  struct link_namespaces *ns = &GL(dl_ns)[nsid];
+
  retry:
   dl_close_state = pending;
 
   bool any_tls = false;
-  const unsigned int nloaded = GL(dl_ns)[ns]._ns_nloaded;
+  const unsigned int nloaded = ns->_ns_nloaded;
   char used[nloaded];
   char done[nloaded];
   struct link_map *maps[nloaded];
 
   /* Run over the list and assign indexes to the link maps and enter
      them into the MAPS array.  */
   int idx = 0;
-  for (struct link_map *l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
+  for (struct link_map *l = ns->_ns_loaded; l != NULL; l = l->l_next)
     {
       l->l_idx = idx;
       maps[idx] = l;
@@ -220,11 +221,11 @@ _dl_close_worker (struct link_map *map)
     }
 
   /* Sort the entries.  */
-  _dl_sort_fini (GL(dl_ns)[ns]._ns_loaded, maps, nloaded, used, ns);
+  _dl_sort_fini (ns->_ns_loaded, maps, nloaded, used, nsid);
 
   /* Call all termination functions at once.  */
 #ifdef SHARED
-  bool do_audit = GLRO(dl_naudit) > 0 && !GL(dl_ns)[ns]._ns_loaded->l_auditing;
+  bool do_audit = GLRO(dl_naudit) > 0 && !ns->_ns_loaded->l_auditing;
 #endif
   bool unload_any = false;
   unsigned int first_loaded = ~0;
@@ -233,7 +234,7 @@ _dl_close_worker (struct link_map *map)
       struct link_map *imap = maps[i];
 
       /* All elements must be in the same namespace.  */
-      assert (imap->l_ns == ns);
+      assert (imap->l_ns == nsid);
 
       if (!used[i])
 	{
@@ -248,7 +249,7 @@ _dl_close_worker (struct link_map *map)
 	      if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS,
 				    0))
 		_dl_debug_printf ("\ncalling fini: %s [%lu]\n\n",
-				  imap->l_name, ns);
+				  imap->l_name, nsid);
 
 	      if (imap->l_info[DT_FINI_ARRAY] != NULL)
 		{
@@ -334,7 +335,7 @@ _dl_close_worker (struct link_map *map)
 		struct link_map *tmap = (struct link_map *)
 		  ((char *) imap->l_scope[cnt]
 		   - offsetof (struct link_map, l_searchlist));
-		assert (tmap->l_ns == ns);
+		assert (tmap->l_ns == nsid);
 		if (tmap->l_idx == IDX_STILL_USED)
 		  ++remain;
 		else
@@ -435,7 +436,7 @@ _dl_close_worker (struct link_map *map)
   /* Auditing checkpoint: we will start deleting objects.  */
   if (__builtin_expect (do_audit, 0))
     {
-      struct link_map *head = GL(dl_ns)[ns]._ns_loaded;
+      struct link_map *head = ns->_ns_loaded;
       struct audit_ifaces *afct = GLRO(dl_audit);
       /* Do not call the functions for any auditing object.  */
       if (head->l_auditing == 0)
@@ -452,7 +453,7 @@ _dl_close_worker (struct link_map *map)
 #endif
 
   /* Notify the debugger we are about to remove some loaded objects.  */
-  struct r_debug *r = _dl_debug_initialize (0, ns);
+  struct r_debug *r = _dl_debug_initialize (0, nsid);
   r->r_state = RT_DELETE;
   _dl_debug_state ();
 
@@ -474,19 +475,18 @@ _dl_close_worker (struct link_map *map)
 	  if (__builtin_expect (imap->l_global, 0))
 	    {
 	      /* This object is in the global scope list.  Remove it.  */
-	      unsigned int cnt = GL(dl_ns)[ns]._ns_main_searchlist->r_nlist;
+	      struct r_scope_elem *ns_msl = ns->_ns_main_searchlist;
+	      unsigned int cnt = ns_msl->r_nlist;
 
 	      do
 		--cnt;
-	      while (GL(dl_ns)[ns]._ns_main_searchlist->r_list[cnt] != imap);
+	      while (ns_msl->r_list[cnt] != imap);
 
 	      /* The object was already correctly registered.  */
-	      while (++cnt
-		     < GL(dl_ns)[ns]._ns_main_searchlist->r_nlist)
-		GL(dl_ns)[ns]._ns_main_searchlist->r_list[cnt - 1]
-		  = GL(dl_ns)[ns]._ns_main_searchlist->r_list[cnt];
+	      while (++cnt < ns_msl->r_nlist)
+		ns_msl->r_list[cnt - 1] = ns_msl->r_list[cnt];
 
-	      --GL(dl_ns)[ns]._ns_main_searchlist->r_nlist;
+	      --ns_msl->r_nlist;
 	    }
 
 	  /* Remove the object from the dtv slotinfo array if it uses TLS.  */
@@ -581,12 +581,12 @@ _dl_close_worker (struct link_map *map)
 	  else
 	    {
 #ifdef SHARED
-	      assert (ns != LM_ID_BASE);
+	      assert (nsid != LM_ID_BASE);
 #endif
-	      GL(dl_ns)[ns]._ns_loaded = imap->l_next;
+	      ns->_ns_loaded = imap->l_next;
 	    }
 
-	  --GL(dl_ns)[ns]._ns_nloaded;
+	  --ns->_ns_nloaded;
 	  if (imap->l_next != NULL)
 	    imap->l_next->l_prev = imap->l_prev;
 
@@ -648,7 +648,7 @@ _dl_close_worker (struct link_map *map)
   /* Auditing checkpoint: we have deleted all objects.  */
   if (__builtin_expect (do_audit, 0))
     {
-      struct link_map *head = GL(dl_ns)[ns]._ns_loaded;
+      struct link_map *head = ns->_ns_loaded;
       /* Do not call the functions for any auditing object.  */
       if (head->l_auditing == 0)
 	{
@@ -732,22 +732,22 @@ free_slotinfo (struct dtv_slotinfo_list **elemp)
 
 libc_freeres_fn (free_mem)
 {
-  for (Lmid_t ns = 0; ns < DL_NNS; ++ns)
-    if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
-	&& (GL(dl_ns)[ns]._ns_main_searchlist->r_nlist
+  for (Lmid_t nsid = 0; nsid < DL_NNS; ++nsid)
+    if (__builtin_expect (GL(dl_ns)[nsid]._ns_global_scope_alloc, 0) != 0
+	&& (GL(dl_ns)[nsid]._ns_main_searchlist->r_nlist
 	    // XXX Check whether we need NS-specific initial_searchlist
 	    == GLRO(dl_initial_searchlist).r_nlist))
       {
 	/* All object dynamically loaded by the program are unloaded.  Free
 	   the memory allocated for the global scope variable.  */
-	struct link_map **old = GL(dl_ns)[ns]._ns_main_searchlist->r_list;
+	struct link_map **old = GL(dl_ns)[nsid]._ns_main_searchlist->r_list;
 
 	/* Put the old map in.  */
-	GL(dl_ns)[ns]._ns_main_searchlist->r_list
+	GL(dl_ns)[nsid]._ns_main_searchlist->r_list
 	  // XXX Check whether we need NS-specific initial_searchlist
 	  = GLRO(dl_initial_searchlist).r_list;
 	/* Signal that the original map is used.  */
-	GL(dl_ns)[ns]._ns_global_scope_alloc = 0;
+	GL(dl_ns)[nsid]._ns_global_scope_alloc = 0;
 
 	/* Now free the old map.  */
 	free (old);

elf/dl-open.c

@@ -1,5 +1,5 @@
 /* Load a shared object at runtime, relocate it, and run its initializer.
-   Copyright (C) 1996-2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1996-2004, 2005, 2006, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -97,59 +97,59 @@ add_to_global (struct link_map *new)
      in an realloc() call.  Therefore we allocate a completely new
      array the first time we have to add something to the locale scope.  */
 
-  if (GL(dl_ns)[new->l_ns]._ns_global_scope_alloc == 0)
+  struct link_namespaces *ns = &GL(dl_ns)[new->l_ns];
+  if (ns->_ns_global_scope_alloc == 0)
     {
       /* This is the first dynamic object given global scope.  */
-      GL(dl_ns)[new->l_ns]._ns_global_scope_alloc
-	= GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist + to_add + 8;
+      ns->_ns_global_scope_alloc
+	= ns->_ns_main_searchlist->r_nlist + to_add + 8;
       new_global = (struct link_map **)
-	malloc (GL(dl_ns)[new->l_ns]._ns_global_scope_alloc
-		* sizeof (struct link_map *));
+	malloc (ns->_ns_global_scope_alloc * sizeof (struct link_map *));
       if (new_global == NULL)
 	{
-	  GL(dl_ns)[new->l_ns]._ns_global_scope_alloc = 0;
+	  ns->_ns_global_scope_alloc = 0;
 	nomem:
 	  _dl_signal_error (ENOMEM, new->l_libname->name, NULL,
 			    N_("cannot extend global scope"));
 	  return 1;
 	}
 
       /* Copy over the old entries.  */
-      GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list
-	= memcpy (new_global,
-		  GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list,
-		  (GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist
+      ns->_ns_main_searchlist->r_list
+	= memcpy (new_global, ns->_ns_main_searchlist->r_list,
+		  (ns->_ns_main_searchlist->r_nlist
 		   * sizeof (struct link_map *)));
     }
-  else if (GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist + to_add
-	   > GL(dl_ns)[new->l_ns]._ns_global_scope_alloc)
+  else if (ns->_ns_main_searchlist->r_nlist + to_add
+	   > ns->_ns_global_scope_alloc)
     {
       /* We have to extend the existing array of link maps in the
 	 main map.  */
       new_global = (struct link_map **)
-	realloc (GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list,
-		 ((GL(dl_ns)[new->l_ns]._ns_global_scope_alloc + to_add + 8)
+	realloc (ns->_ns_main_searchlist->r_list,
+		 ((ns->_ns_global_scope_alloc + to_add + 8)
 		  * sizeof (struct link_map *)));
       if (new_global == NULL)
 	goto nomem;
 
-      GL(dl_ns)[new->l_ns]._ns_global_scope_alloc += to_add + 8;
-      GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list = new_global;
+      ns->_ns_global_scope_alloc += to_add + 8;
+      ns->_ns_main_searchlist->r_list = new_global;
     }
 
   /* Now add the new entries.  */
+  unsigned int new_nlist = ns->_ns_main_searchlist->r_nlist;
   for (cnt = 0; cnt < new->l_searchlist.r_nlist; ++cnt)
     {
       struct link_map *map = new->l_searchlist.r_list[cnt];
 
       if (map->l_global == 0)
 	{
 	  map->l_global = 1;
-	  GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list[GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist]
-	    = map;
-	  ++GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist;
+	  ns->_ns_main_searchlist->r_list[new_nlist++] = map;
 	}
     }
+  atomic_write_barrier ();
+  ns->_ns_main_searchlist->r_nlist = new_nlist;
 
   return 0;
 }

fedora/branch.mk

@@ -3,5 +3,5 @@ glibc-branch := fedora
 glibc-base := HEAD
 DIST_BRANCH := devel
 COLLECTION := dist-fc7
-fedora-sync-date := 2007-05-10 23:08 UTC
-fedora-sync-tag := fedora-glibc-20070510T2308
+fedora-sync-date := 2007-05-15 20:25 UTC
+fedora-sync-tag := fedora-glibc-20070515T2025

include/features.h

@@ -1,5 +1,4 @@
-/* Copyright (C) 1991,1992,1993,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006
-	Free Software Foundation, Inc.
+/* Copyright (C) 1991,1992,1993,1995-2006,2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -310,7 +309,7 @@
 /* Major and minor version number of the GNU C library package.  Use
    these macros to test for features in specific releases.  */
 #define	__GLIBC__	2
-#define	__GLIBC_MINOR__	5
+#define	__GLIBC_MINOR__	6
 
 #define __GLIBC_PREREQ(maj, min) \
 	((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min))

include/link.h

@@ -1,6 +1,6 @@
 /* Data structure for communication from the run-time dynamic linker for
    loaded ELF shared objects.
-   Copyright (C) 1995-2002,2003,2004,2005,2006 Free Software Foundation, Inc.
+   Copyright (C) 1995-2006, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -141,6 +141,10 @@ struct link_map
     /* Dependent object that first caused this object to be loaded.  */
     struct link_map *l_loader;
 
+    /* Array with version names.  */
+    struct r_found_version *l_versions;
+    unsigned int l_nversions;
+
     /* Symbol hash table.  */
     Elf_Symndx l_nbuckets;
     Elf32_Word l_gnu_bitmask_idxbits;
@@ -184,10 +188,6 @@ struct link_map
     unsigned int l_removed:1;	/* Nozero if the object cannot be used anymore
 				   since it is removed.  */
 
-    /* Array with version names.  */
-    unsigned int l_nversions;
-    struct r_found_version *l_versions;
-
     /* Collected information about own RPATH directories.  */
     struct r_search_path_struct l_rpath_dirs;
 

malloc/arena.c

@@ -370,6 +370,9 @@ ptmalloc_init_minimal (void)
   mp_.top_pad        = DEFAULT_TOP_PAD;
 #endif
   mp_.n_mmaps_max    = DEFAULT_MMAP_MAX;
+#if MALLOC_DEBUG
+  mp_.n_mmaps_cmax   = DEFAULT_MMAP_MAX;
+#endif
   mp_.mmap_threshold = DEFAULT_MMAP_THRESHOLD;
   mp_.trim_threshold = DEFAULT_TRIM_THRESHOLD;
   mp_.pagesize       = malloc_getpagesize;