Update.

2001-01-11  Ulrich Drepper  <drepper@redhat.com>

	* stdlib/Makefile (routines): Add cxa_on_exit.
	* stdlib/Versions [libc] (GLIBC_2.2.1): Add __cxa_on_exit.
	* stdlib/cxa_on_exit.c: New file.
	* include/stdlib.h: Add prototype for __cxa_on_exit.
	* stdlib/exit.c: Handle ef_cxa2.
	* stdlib/exit.h (enum): Add ef_cxa2.
	(struct exit_function): Add cxa2.

	* Versions.def [ld]: Add GLIBC_2.2.1.

ChangeLog

@@ -1,3 +1,15 @@
+2001-01-11  Ulrich Drepper  <drepper@redhat.com>
+
+	* stdlib/Makefile (routines): Add cxa_on_exit.
+	* stdlib/Versions [libc] (GLIBC_2.2.1): Add __cxa_on_exit.
+	* stdlib/cxa_on_exit.c: New file.
+	* include/stdlib.h: Add prototype for __cxa_on_exit.
+	* stdlib/exit.c: Handle ef_cxa2.
+	* stdlib/exit.h (enum): Add ef_cxa2.
+	(struct exit_function): Add cxa2.
+
+	* Versions.def [ld]: Add GLIBC_2.2.1.
+
 2001-01-10  H.J. Lu  <hjl@gnu.org>
 
 	* elf/dl-libc.c (do_dlopen): Call DL_STATIC_INIT for static binaries.

Versions.def

@@ -86,6 +86,7 @@ ld {
   GLIBC_2.1
   GLIBC_2.1.1
   GLIBC_2.2
+  GLIBC_2.2.1
 }
 libthread_db {
   GLIBC_2.1.3

include/stdlib.h

@@ -55,6 +55,7 @@ extern void _quicksort (void *const pbase, size_t total_elems,
 			size_t size, __compar_fn_t cmp);
 
 extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
+extern int __cxa_on_exit (void (*func) (int, void *), void *arg, void *d);
 
 extern void __cxa_finalize (void *d);
 

linuxthreads/Examples/ex15.c

@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <pthread.h>
+#include <unistd.h>
+
+static void *
+worker (void *dummy)
+{
+  exit (26);
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 10
+static int
+do_test (void)
+{
+  pthread_t th;
+  pid_t pid;
+  int status;
+
+  switch ((pid = fork ()))
+    {
+    case -1:
+      puts ("Could not fork");
+      exit (1);
+    case 0:
+      if (pthread_create(&th, NULL, worker, NULL) != 0)
+	{
+	  puts ("Failed to start thread");
+	  exit (1);
+	}
+      for (;;);
+      exit (1);
+    default:
+      break;
+    }
+
+  if (waitpid (pid, &status, 0) != pid)
+    {
+      puts ("waitpid failed");
+      exit (1);
+    }
+
+  if (!WIFEXITED (status) || WEXITSTATUS (status) != 26)
+    {
+      printf ("Wrong exit code %d\n", status);
+      exit (1);
+    }
+
+  puts ("All OK");
+  return 0;
+}
+
+#include "../../test-skeleton.c"

linuxthreads/Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+# Copyright (C) 1996,1997,1998,1999,2000,2001 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
@@ -46,7 +46,7 @@ include ../Makeconfig
 
 librt-tests = ex10 ex11
 tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \
-	tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14
+	tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15
 
 ifeq (yes,$(build-shared))
 tests-nodelete-yes = unload

linuxthreads/pthread.c

@@ -435,10 +435,8 @@ static void pthread_initialize(void)
   /* Do it early so that user-registered atexit functions are called
      before pthread_exit_process. */
   if (__builtin_expect (&__dso_handle != NULL, 1))
-    /* The cast is a bit unclean.  The function expects two arguments but
-       we can only pass one.  Fortunately this is not a problem since the
-       second argument of `pthread_exit_process' is simply ignored.  */
-    __cxa_atexit((void (*) (void *)) pthread_exit_process, NULL, __dso_handle);
+    __cxa_on_exit((void (*) (void *)) pthread_exit_process, NULL,
+		  __dso_handle);
   else
     __on_exit (pthread_exit_process, NULL);
   /* How many processors.  */

stdlib/Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 1991,92,93,94,95,96,97,98,99,2000 Free Software Foundation, Inc.
+# Copyright (C) 1991-1999, 2000, 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
@@ -29,7 +29,7 @@ routines	:=							      \
 	abort								      \
 	bsearch qsort msort						      \
 	getenv putenv setenv secure-getenv				      \
-	exit on_exit atexit cxa_atexit cxa_finalize			      \
+	exit on_exit atexit cxa_atexit cxa_on_exit cxa_finalize		      \
 	abs labs llabs							      \
 	div ldiv lldiv							      \
 	mblen mbstowcs mbtowc wcstombs wctomb				      \

stdlib/Versions

@@ -94,4 +94,8 @@ libc {
     # used by new G++ ABI
     __cxa_atexit; __cxa_finalize;
   }
+  GLIBC_2.2.1 {
+    # used in the thread library
+    __cxa_on_exit;
+  }
 }

stdlib/cxa_on_exit.c

@@ -0,0 +1,38 @@
+/* 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 <stdlib.h>
+#include "exit.h"
+
+/* Register a function to be called by exit or when a shared library
+   is unloaded.  This function is only called from code generated by
+   the C++ compiler.  */
+int
+__cxa_on_exit (void (*func) (int, void *), void *arg, void *d)
+{
+  struct exit_function *new = __new_exitfn ();
+
+  if (new == NULL)
+    return -1;
+
+  new->flavor = ef_cxa2;
+  new->func.cxa2.fn = func;
+  new->func.cxa2.arg = arg;
+  new->func.cxa2.dso_handle = d;
+  return 0;
+}

stdlib/exit.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1995,1996,1997,1999,2001 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
@@ -59,6 +59,9 @@ exit (int status)
 	    case ef_cxa:
 	      (*f->func.cxa.fn) (f->func.cxa.arg);
 	      break;
+	    case ef_cxa2:
+	      (*f->func.cxa2.fn) (status, f->func.cxa2.arg);
+	      break;
 	    }
 	}
 

stdlib/exit.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1996, 1997, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996, 1997, 1999, 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
@@ -26,7 +26,8 @@ enum
   ef_us,
   ef_on,
   ef_at,
-  ef_cxa
+  ef_cxa,
+  ef_cxa2
 };
 
 struct exit_function
@@ -48,6 +49,12 @@ struct exit_function
 	    void *arg;
 	    void *dso_handle;
 	  } cxa;
+	struct
+	  {
+	    void (*fn) (int status, void *arg);
+	    void *arg;
+	    void *dso_handle;
+	  } cxa2;
       } func;
   };
 struct exit_function_list