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authorUlrich Drepper <drepper@redhat.com>2009-03-08 19:53:12 +0000
committerUlrich Drepper <drepper@redhat.com>2009-03-08 19:53:12 +0000
commit610e67ed5af7e1acf2f96bb964cc2131af570a3d (patch)
tree14daa2846118122a858f3f498a525456a7d74ba0 /stdlib/at_quick_exit.c
parent130ca12eb3d9b2fec32847699ca08ea25aec9130 (diff)
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* stdlib/Makefile (routines): Add quick_exit, at_quick_exit, and
	cxa_at_quick_exit.
	(static-only-routines): Add at_quick_exit.
	* stdlib/Versions: Export quick_exit and __cxa_at_quick_exit for
	GLIBC_2.10.
	* stdlib/quick_exit.c: New file.
	* stdlib/at_quick_exit.c: New file.
	* stdlib/cxa_at_quick_exit.c: New file.
	* stdlib/cxa_atexit.c (__cxa_atexit): Move body to new function.  Call
	it appropriately.
	(__internal_atexit): New function.
	(__new_exitfn): Now takes parameter to point to the list to use.
	* stdlib/cxa_finalize.c: Remove quick_exit handlers, don't call them.
	* stdlib/exit.c (__run_exit_handlers): New function.  Split from...
	(exit): ...here.  Just call __run_exit_handlers appropriately.
	* stdlib/exit.h: Declare __quick_exit_funcs, __run_exit_handlers,
	__internal_atexit, __cxa_at_quick_exit.  Adjust __new_exitfn.
	* stdlib/on_exit.c: Adjust call to __new_exitfn.
	* stdlib/stdlib.h: Declare at_quick_exit and quick_exit.
Diffstat (limited to 'stdlib/at_quick_exit.c')
-rw-r--r--stdlib/at_quick_exit.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/stdlib/at_quick_exit.c b/stdlib/at_quick_exit.c
new file mode 100644
index 0000000000..abe2910a7b
--- /dev/null
+++ b/stdlib/at_quick_exit.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1991,1996,1999,2001,2006,2009 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; 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"
+
+
+/* This is defined by newer gcc version unique for each module.  */
+extern void *__dso_handle __attribute__ ((__weak__));
+
+
+/* Register FUNC to be executed by `quick_exit'.  */
+int
+at_quick_exit (void (*func) (void))
+{
+  return __cxa_at_quick_exit ((void (*) (void *)) func,
+			      &__dso_handle == NULL ? NULL : __dso_handle);
+}