2009-02-13 Khem Raj <raj.khem@gmail.com>

	* sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c
	(libgcc_s_handle): New variable.
	(pthread_cancel_init): Depend in libgcc_s_handle for decision to
	load DSO.  Assign last.
	(__unwind_freeres): New function.

diff --git a/ChangeLog.hppa b/ChangeLog.hppa
index 0fac875..a817e5f 100644 (file)
--- a/ChangeLog.hppa
+++ b/ChangeLog.hppa
@@ -1,3 +1,11 @@
+2009-02-13  Khem Raj  <raj.khem@gmail.com>
+
+       * sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c 
+       (libgcc_s_handle): New variable.
+       (pthread_cancel_init): Depend in libgcc_s_handle for decision to
+       load DSO.  Assign last.
+       (__unwind_freeres): New function.
+
 2009-02-09  Arthur Loiret  <aloiret@debian.org>
 
        [BZ #9717]

diff --git a/sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c b/sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c
index 8666bbb..cea5d3b 100644 (file)
--- a/sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c
+++ b/sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2005, 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
@@ -23,6 +23,7 @@
 
 #define LIBGCC_S_SO "libgcc_s.so.4"
 
+static void *libgcc_s_handle;
 static void (*libgcc_s_resume) (struct _Unwind_Exception *exc);
 static _Unwind_Reason_Code (*libgcc_s_personality)
   (int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *,
@@ -42,7 +43,7 @@ pthread_cancel_init (void)
   void *resume, *personality, *forcedunwind, *getcfa;
   void *handle;
 
-  if (__builtin_expect (libgcc_s_getcfa != NULL, 1))
+  if (__builtin_expect (libgcc_s_handle != NULL, 1))
     {
       /* Force gcc to reload all values.  */
       asm volatile ("" ::: "memory");
@@ -66,11 +67,24 @@ pthread_cancel_init (void)
   libgcc_s_resume = resume;
   libgcc_s_personality = personality;
   libgcc_s_forcedunwind = forcedunwind;
+  libgcc_s_getcfa = getcfa;
   /* Make sure libgcc_s_getcfa is written last.  Otherwise,
      pthread_cancel_init might return early even when the pointer the
      caller is interested in is not initialized yet.  */
   atomic_write_barrier ();
-  libgcc_s_getcfa = getcfa;
+  libgcc_s_handle = handle;
+}
+
+void
+__libc_freeres_fn_section
+__unwind_freeres (void)
+{
+  void *handle = libgcc_s_handle;
+  if (handle != NULL)
+    {
+      libgcc_s_handle = NULL;
+      __libc_dlclose (handle);
+    }
 }
 
 void