Update.

2001-02-26  Ulrich Drepper  <drepper@redhat.com>

	* dlfcn/Makefile (distribute): Add modatexit.c and modcxaatexit.c.
	(tests): Add tstatexit and tstcxaatexit.
	(module-names): Add modatexit and modcxaatexit.
	Add rules to build and run tstatexit and tstcxaatexit.
	* dlfcn/modatexit.c: New file.
	* dlfcn/modcxaatexit.c: New file.
	* dlfcn/tstatexit.c: New file.
	* dlfcn/tstcxaatexit.c: New file.

	* io/Makefile: Pass -DHAVE_DOT_HIDDEN to stat and mknod functions if
	.hidden is available.
	* io/stat.c: If .hidden is available use it to avoid exporting
	functions.
	* io/fstat.c: Likewise.
	* io/lstat.c: Likewise.
	* io/stat64.c: Likewise.
	* io/fstat64.c: Likewise.
	* io/lstat64.c: Likewise.
	* sysdeps/generic/mknod.c: Likewise.

	* malloc/mtrace.c: Use __cxa_atexit and not atexit.
	* sysdeps/generic/bb_init_func.c: Likewise.
	* sysdeps/generic/libc-start.c: Likewise.

	* stdlib/atexit.c (__new_exitfn): Move to cxa_atexit.c.
	(atexit): Implement using __cxa_atexit.
	Use .hidden if availble to avoid exporting atexit.
	* stdlib/cxa_atexit.c (__new_exitfn): Moved to here from atexit.c.
	* stdlib/Versions: Export __new_exitfn for GLIBC_2.2.3.
	* stdlib/Makefile (routines): Add old_atexit.
	(static-only-routines): Add atexit.
	Pass -DHAVE_DOT_HIDDEN for atexit.c if .hidden is available.
	* stdlib/old_atexit.c: New file.

	* intl/Makefile: Remove bogus endif.

5 files changed, 218 insertions, 3 deletions

diff --git a/dlfcn/Makefile b/dlfcn/Makefile
index 1bcce2f..87dc60a 100644
--- a/dlfcn/Makefile
+++ b/dlfcn/Makefile
@@ -21,7 +21,8 @@ headers		:= bits/dlfcn.h dlfcn.h
 extra-libs	:= libdl
 libdl-routines	:= dlopen dlclose dlsym dlvsym dlerror dladdr eval
 distribute	:= dlopenold.c glreflib1.c glreflib2.c failtestmod.c eval.c \
-		   defaultmod1.c defaultmod2.c errmsg1mod.c
+		   defaultmod1.c defaultmod2.c errmsg1mod.c modatexit.c \
+		   modcxaatexit.c
 
 extra-libs-others := libdl
 
@@ -34,10 +35,10 @@ endif
 libdl-shared-only-routines += eval
 
 ifeq (yes,$(build-shared))
-tests = glrefmain failtest tst-dladdr default errmsg1
+tests = glrefmain failtest tst-dladdr default errmsg1 tstatexit tstcxaatexit
 endif
 modules-names = glreflib1 glreflib2 failtestmod defaultmod1 defaultmod2 \
-		errmsg1mod
+		errmsg1mod modatexit modcxaatexit
 extra-objs += $(modules-names:=.os) eval.os
 generated := $(modules-names:=.so)
 
@@ -67,3 +68,11 @@ $(objpfx)defaultmod2.so: $(libdl)
 
 $(objpfx)errmsg1: $(libdl)
 $(objpfx)errmsg1.out: $(objpfx)errmsg1 $(objpfx)errmsg1mod.so
+
+$(objpfx)tstatexit: $(libdl)
+$(objpfx)tstatexit.out: $(objpfx)tstatexit $(objpfx)modatexit.so
+
+$(objpfx)tstcxaatexit: $(libdl)
+$(objpfx)tstcxaatexit.out: $(objpfx)tstcxaatexit $(objpfx)modcxaatexit.so
+
+$(objpfx)modatexit.so: $(common-objpfx)libc.so $(common-objpfx)libc_nonshared.a
diff --git a/dlfcn/modatexit.c b/dlfcn/modatexit.c
new file mode 100644
index 0000000..110fead
--- /dev/null
+++ b/dlfcn/modatexit.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2001 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
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int global;
+int *ip;
+
+void
+dummy (void)
+{
+  printf ("This is %s\n", __FUNCTION__);
+  *ip = global = 1;
+}
+
+
+void
+foo (void *p)
+{
+  extern void *__dso_handle __attribute__ ((__weak__));
+  printf ("This is %s\n", __FUNCTION__);
+  atexit (dummy);
+  if (&__dso_handle) puts ("have dso handle"); else puts ("no dso handle");
+  ip = p;
+}
diff --git a/dlfcn/modcxaatexit.c b/dlfcn/modcxaatexit.c
new file mode 100644
index 0000000..1ff2d57
--- /dev/null
+++ b/dlfcn/modcxaatexit.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2001 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
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int global;
+
+
+void
+fluffy (void *p)
+{
+  printf ("This is %s\n", __FUNCTION__);
+  *(int *) p = global = 1;
+}
+
+
+void
+bar (void *p)
+{
+  extern void *__dso_handle;
+  printf ("This is %s\n", __FUNCTION__);
+  __cxa_atexit (fluffy, p, __dso_handle);
+}
diff --git a/dlfcn/tstatexit.c b/dlfcn/tstatexit.c
new file mode 100644
index 0000000..e3dfe4b
--- /dev/null
+++ b/dlfcn/tstatexit.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2001 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
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int
+main (void)
+{
+  const char fname[] = "modatexit.so";
+  void *h;
+  void (*fp) (void *);
+  int v = 0;
+
+  h = dlopen (fname, RTLD_NOW);
+  if (h == NULL)
+    {
+      printf ("cannot open \"%s\": %s\n", fname, dlerror ());
+      exit (1);
+    }
+
+  fp = dlsym (h, "foo");
+  if (fp == NULL)
+    {
+      printf ("cannot find \"foo\": %s\n", dlerror ());
+      exit (1);
+    }
+
+  fp (&v);
+
+  if (dlclose (h) != 0)
+    {
+      printf ("cannot close \"%s\": %s\n", fname, dlerror ());
+      exit (1);
+    }
+
+  if (v != 1)
+    {
+      puts ("module unload didn't change `v'");
+      exit (1);
+    }
+
+  puts ("finishing now");
+
+  return 0;
+}
diff --git a/dlfcn/tstcxaatexit.c b/dlfcn/tstcxaatexit.c
new file mode 100644
index 0000000..9ae86d0
--- /dev/null
+++ b/dlfcn/tstcxaatexit.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2001 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
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int
+main (void)
+{
+  const char fname[] = "modcxaatexit.so";
+  void *h;
+  void (*fp) (void *);
+  int v = 0;
+
+  h = dlopen (fname, RTLD_LAZY);
+  if (h == NULL)
+    {
+      printf ("cannot open \"%s\": %s\n", fname, dlerror ());
+      exit (1);
+    }
+
+  fp = dlsym (h, "bar");
+  if (fp == NULL)
+    {
+      printf ("cannot find \"bar\": %s\n", dlerror ());
+      exit (1);
+    }
+
+  fp (&v);
+
+  if (dlclose (h) != 0)
+    {
+      printf ("cannot close \"%s\": %s\n", fname, dlerror ());
+      exit (1);
+    }
+
+  if (v != 1)
+    {
+      puts ("module unload didn't change `v'");
+      exit (1);
+    }
+
+  puts ("finishing now");
+
+  return 0;
+}