2.6-3cvs/fedora-glibc-2_6-3

6 files changed, 52 insertions, 6 deletions

diff --git a/ChangeLog b/ChangeLog
index 34b411dfca..34814c4677 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-15  Jakub Jelinek  <jakub@redhat.com>
+
+	* elf/dl-open.c (add_to_global): If the main searchlist is 256
+	entries or more, on each reallocation at least double the size
+	of the search list rather than growing it linearly.
+
 2007-05-21  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/unix/sysv/linux/i386/epoll_pwait.S: New file.
diff --git a/elf/dl-open.c b/elf/dl-open.c
index 583878781e..0afe94b5bf 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -125,14 +125,18 @@ add_to_global (struct link_map *new)
     {
       /* We have to extend the existing array of link maps in the
 	 main map.  */
+      size_t new_size = ns->_ns_global_scope_alloc;
+      if (new_size >= 256 && new_size > to_add + 8)
+	new_size *= 2;
+      else
+	new_size += to_add + 8;
       new_global = (struct link_map **)
 	realloc (ns->_ns_main_searchlist->r_list,
-		 ((ns->_ns_global_scope_alloc + to_add + 8)
-		  * sizeof (struct link_map *)));
+		 new_size * sizeof (struct link_map *));
       if (new_global == NULL)
 	goto nomem;
 
-      ns->_ns_global_scope_alloc += to_add + 8;
+      ns->_ns_global_scope_alloc = new_size;
       ns->_ns_main_searchlist->r_list = new_global;
     }
 
diff --git a/fedora/build-locale-archive.c b/fedora/build-locale-archive.c
index ef0ac91ba7..afe0cbdaae 100644
--- a/fedora/build-locale-archive.c
+++ b/fedora/build-locale-archive.c
@@ -618,7 +618,7 @@ int main ()
   closedir (dirp);
   fill_archive (&tmpl_ah, cnt, list, primary);
   close_archive (&tmpl_ah);
-  unlink (tmpl_file);
+  truncate (tmpl_file, 0);
   char *argv[] = { "/usr/sbin/tzdata-update", NULL };
   execve (argv[0], (char *const *)argv, (char *const *)&argv[1]);
   exit (0);
diff --git a/fedora/glibc.spec.in b/fedora/glibc.spec.in
index 201d0753ac..18d04c8868 100644
--- a/fedora/glibc.spec.in
+++ b/fedora/glibc.spec.in
@@ -1,4 +1,4 @@
-%define glibcrelease 2
+%define glibcrelease 3
 %define auxarches i586 i686 athlon sparcv9 alphaev6
 %define xenarches i686 athlon
 %ifarch %{xenarches}
@@ -1506,7 +1506,7 @@ rm -f *.filelist*
 %files -f common.filelist common
 %defattr(-,root,root)
 %dir %{_prefix}/lib/locale
-%attr(0644,root,root) %config(missingok) %{_prefix}/lib/locale/locale-archive.tmpl
+%attr(0644,root,root) %verify(not md5 size mtime) %{_prefix}/lib/locale/locale-archive.tmpl
 %attr(0644,root,root) %verify(not md5 size mtime mode) %ghost %config(missingok,noreplace) %{_prefix}/lib/locale/locale-archive
 %dir %attr(755,root,root) /etc/default
 %verify(not md5 size mtime) %config(noreplace) /etc/default/nss
@@ -1561,6 +1561,12 @@ rm -f *.filelist*
 %endif
 
 %changelog
+* Thu May 24 2007 Jakub Jelinek <jakub@redhat.com> 2.6-3
+- don't use %%config(missingok) for locale-archive.tmpl,
+  instead of removing it altogether truncate it to zero
+  size (#240697)
+- add a workaround for #210748
+
 * Mon May 21 2007 Jakub Jelinek <jakub@redhat.com> 2.6-2
 - restore malloc_set_state backwards compatibility (#239344)
 - fix epoll_pwait (BZ#4525)
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 9b5ac1053e..8ba39eafb9 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-15  Jakub Jelinek  <jakub@redhat.com>
+
+	* pthread_create.c (__pthread_create_2_1): On the first pthread_create
+	in a process make sure main search list can store at least 256
+	entries.
+
 2007-05-17  Ulrich Drepper  <drepper@redhat.com>
 
 	[BZ #4512]
diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c
index 79729ced03..22e8f01804 100644
--- a/nptl/pthread_create.c
+++ b/nptl/pthread_create.c
@@ -462,6 +462,30 @@ __pthread_create_2_1 (newthread, attr, start_routine, arg)
   pd->flags = ((iattr->flags & ~(ATTR_FLAG_SCHED_SET | ATTR_FLAG_POLICY_SET))
 	       | (self->flags & (ATTR_FLAG_SCHED_SET | ATTR_FLAG_POLICY_SET)));
 
+  /* Hack: realloc the main search list on the first pthread_create call
+     to minimize the number of global search scope reallocations.
+     Wastes at most 1KB on 32-bit and 2KB on 64-bit per process
+     which calls pthread_create.  */
+  if (__builtin_expect (self->header.multiple_threads == 0, 0)
+      && GL(dl_ns)[0]._ns_main_searchlist
+      && GL(dl_ns)[0]._ns_main_searchlist->r_nlist < 256
+      && GL(dl_ns)[0]._ns_global_scope_alloc < 256)
+    {
+      struct link_map **new_global = (struct link_map **)
+	realloc (GL(dl_ns)[0]._ns_global_scope_alloc == 0
+		 ? NULL : GL(dl_ns)[0]._ns_main_searchlist->r_list,
+		 256 * sizeof (struct link_map *));
+      if (new_global != NULL)
+	{
+	  if (GL(dl_ns)[0]._ns_global_scope_alloc == 0)
+	    memcpy (new_global, GL(dl_ns)[0]._ns_main_searchlist->r_list,
+		    GL(dl_ns)[0]._ns_main_searchlist->r_nlist
+		    * sizeof (struct link_map *));
+	  GL(dl_ns)[0]._ns_global_scope_alloc = 256;
+	  GL(dl_ns)[0]._ns_main_searchlist->r_list = new_global;
+	}
+    }
+
   /* Initialize the field for the ID of the thread which is waiting
      for us.  This is a self-reference in case the thread is created
      detached.  */