Update.

1998-07-10 18:14 -0400  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* manual/Makefile: Overhauled.  Generate libc.texinfo from the
	chapter files.  Exorcise the chapters, chapters-incl mess.
	Support inserting doc chapters from add-on modules.
	(chapters): New variable.
	(add-chapters): New variable.
	(appendices): New variable.
	(libc.texinfo): New target.
	(clean): Fix bugs.
	(realclean): Fix bugs.

	* manual/texis.awk: New file.
	* manual/libc-texinfo.sh: New file.
	* manual/libc-texinfo.in: New file.

	* manual/conf.texi (top @node): Remove next pointer.
	* manual/lang.texi (top @node): Remove prev pointer.

	* manual/job.texi (top @node): Add explicit pointers.
	* manual/message.texi (top @node): Add explicit pointers.
	* manual/nss.texi (top @node): Add explicit pointers.
	* manual/process.texi (top @node): Add explicit pointers.
	* manual/startup.texi (top @node): Add explicit pointers.
	* manual/terminal.texi (top @node): Add explicit pointers.
	* manual/users.texi (top @node): Add explicit pointers.

	* manual/arith.texi: Add %MENU% tag.
	* manual/conf.texi: Add %MENU% tag.
	* manual/contrib.texi: Add %MENU% tag.
	* manual/ctype.texi: Add %MENU% tag.
	* manual/errno.texi: Add %MENU% tag.
	* manual/filesys.texi: Add %MENU% tag.
	* manual/header.texi: Add %MENU% tag.
	* manual/install.texi: Add %MENU% tag.
	* manual/intro.texi: Add %MENU% tag.
	* manual/io.texi: Add %MENU% tag.
	* manual/job.texi: Add %MENU% tag.
	* manual/lang.texi: Add %MENU% tag.
	* manual/llio.texi: Add %MENU% tag.
	* manual/locale.texi: Add %MENU% tag.
	* manual/maint.texi: Add %MENU% tag.
	* manual/math.texi: Add %MENU% tag.
	* manual/mbyte.texi: Add %MENU% tag.
	* manual/memory.texi: Add %MENU% tag.
	* manual/message.texi: Add %MENU% tag.
	* manual/nss.texi: Add %MENU% tag.
	* manual/pattern.texi: Add %MENU% tag.
	* manual/pipe.texi: Add %MENU% tag.
	* manual/process.texi: Add %MENU% tag.
	* manual/search.texi: Add %MENU% tag.
	* manual/setjmp.texi: Add %MENU% tag.
	* manual/signal.texi: Add %MENU% tag.
	* manual/socket.texi: Add %MENU% tag.
	* manual/startup.texi: Add %MENU% tag.
	* manual/stdio.texi: Add %MENU% tag.
	* manual/string.texi: Add %MENU% tag.
	* manual/sysinfo.texi: Add %MENU% tag.
	* manual/terminal.texi: Add %MENU% tag.
	* manual/time.texi: Add %MENU% tag.
	* manual/users.texi: Add %MENU% tag.

1998-07-13  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags):
	Update.

1998-07-11  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/recvmsg.c (__libc_recvmsg): Use ANSI
	style declaration to avoid warning.
	* sysdeps/unix/sysv/linux/sendmsg.c (__libc_sendmsg): Likewise.

1998-07-04  Mark Kettenis  <kettenis@phys.uva.nl>

	* elf/rtld.c (process_dl_debug): Add missing continue.

1998-07-12  Mark Kettenis  <kettenis@phys.uva.nl>

	* elf/rtld.c (_dl_skip_args): Make global because the Hurd startup
	code needs it.

1998-07-10  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig ($(common-objpfx)sysd-dirs): Write out definition of
	sysd-dirs-done.
	* Makerules: Don't generate version maps too early.
	($(common-objpfx)sysd-versions): Force regeneration if the list of
	subdirs has changed.

1998-07-10  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dlfcn.h (DL_CALL_FCT): Use portable comma expression.

1998-07-11  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* iconv/gconv_db.c (gen_steps): Always set *handle and *nsteps.
	* iconv/gconv_dl.c (__gconv_find_shlib): Correct use of tfind
	return value.

1998-07-12  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-open.c (dl_open_worker): New function.
	(_dl_open): Call it to do the actual work while catching errors.
	* elf/dl-close.c (_dl_close): Only call termination function if
	the initialisation function was called.

1998-07-13  Ulrich Drepper  <drepper@cygnus.com>

	* libio/libioP.h (_IO_cleanup_registration_needed): Use __PMT.
	Reported by Felix von Leitner <leitner@amdiv.de>.

1998-07-13 10:28  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
	* elf/rtld.c (process_dl_debug): Add missing continue.

1998-06-23  Mark Kettenis  <kettenis@phys.uva.nl>

1 files changed, 64 insertions, 18 deletions

diff --git a/elf/dl-open.c b/elf/dl-open.c
index 2b95909..b595f2d 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -20,6 +20,7 @@
 #include <dlfcn.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 #include <bits/libc-lock.h>
 #include <elf/ldsodefs.h>
 
@@ -50,25 +51,31 @@ static size_t _dl_global_scope_alloc;
 __libc_lock_define_initialized_recursive (, _dl_load_lock)
 
 
-struct link_map *
-internal_function
-_dl_open (const char *file, int mode)
+/* We must be carefull not to leave us in an inconsistent state.  Thus we
+   catch any error and re-raise it after cleaning up.  */
+
+struct dl_open_args
 {
+  const char *file;
+  int mode;
+  struct link_map *map;
+};
+
+static void
+dl_open_worker (void *a)
+{
+  struct dl_open_args *args = a;
+  const char *file = args->file;
+  int mode = args->mode;
   struct link_map *new, *l;
   ElfW(Addr) init;
   struct r_debug *r;
 
-  /* Make sure we are alone.  */
-  __libc_lock_lock (_dl_load_lock);
-
   /* Load the named object.  */
-  new = _dl_map_object (NULL, file, 0, lt_loaded, 0);
+  args->map = new = _dl_map_object (NULL, file, 0, lt_loaded, 0);
   if (new->l_searchlist)
-    {
-      /* It was already open.  */
-      __libc_lock_unlock (_dl_load_lock);
-      return new;
-    }
+    /* It was already open.  */
+    return;
 
   /* Load that object's dependencies.  */
   _dl_map_object_deps (new, NULL, 0, 0);
@@ -147,7 +154,7 @@ _dl_open (const char *file, int mode)
 	    {
 	      _dl_global_scope = _dl_default_scope;
 	    nomem:
-	      _dl_close (new);
+	      new->l_global = 0;
 	      _dl_signal_error (ENOMEM, file, "cannot extend global scope");
 	    }
 	  _dl_global_scope[2] = _dl_default_scope[2];
@@ -158,8 +165,8 @@ _dl_open (const char *file, int mode)
 	}
       else
 	{
-	  if (_dl_global_scope_alloc <
-	      (size_t) (_dl_global_scope_end - _dl_global_scope + 2))
+	  if (_dl_global_scope_end + 2
+	      == _dl_global_scope + _dl_global_scope_alloc)
 	    {
 	      /* Must extend the list.  */
 	      struct link_map **new = realloc (_dl_global_scope,
@@ -167,9 +174,8 @@ _dl_open (const char *file, int mode)
 					       * sizeof (struct link_map *));
 	      if (! new)
 		goto nomem;
-	      _dl_global_scope_end = new + (_dl_global_scope_end -
-					    _dl_global_scope);
 	      _dl_global_scope = new;
+	      _dl_global_scope_end = new + _dl_global_scope_alloc - 2;
 	      _dl_global_scope_alloc *= 2;
 	    }
 
@@ -199,9 +205,49 @@ _dl_open (const char *file, int mode)
     /* We must be the static _dl_open in libc.a.  A static program that
        has loaded a dynamic object now has competition.  */
     __libc_multiple_libcs = 1;
+}
+
+
+struct link_map *
+internal_function
+_dl_open (const char *file, int mode)
+{
+  struct dl_open_args args;
+  char *errstring;
+  int errcode;
+
+  /* Make sure we are alone.  */
+  __libc_lock_lock (_dl_load_lock);
+
+  args.file = file;
+  args.mode = mode;
+  args.map = NULL;
+  errcode = _dl_catch_error (&errstring, dl_open_worker, &args);
 
   /* Release the lock.  */
   __libc_lock_unlock (_dl_load_lock);
 
-  return new;
+  if (errstring)
+    {
+      /* Some error occured during loading.  */
+      char *local_errstring;
+
+      /* Reset the global scope.  */
+      *_dl_global_scope_end = NULL;
+
+      /* Remove the object from memory.  It may be in an inconsistent
+	 state if relocation failed, for example.  */
+      if (args.map)
+	_dl_close (args.map);
+
+      /* Make a local copy of the error string so that we can release the
+	 memory allocated for it.  */
+      local_errstring = strdupa (errstring);
+      free (errstring);
+
+      /* Reraise the error.  */
+      _dl_signal_error (errcode, NULL, local_errstring);
+    }
+
+  return args.map;
 }