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[BZ #2644]

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2006-05-07  Ulrich Drepper  <drepper@redhat.com>
	* sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c: Make sure
	functions pointer is reloaded after pthread_cancel_init calls.

	[BZ #2644]
	* sysdeps/pthread/unwind-forcedunwind.c: Make sure functions
	pointers are reloaded after pthread_cancel_init calls.
This commit is contained in:
Ulrich Drepper 2006-05-08 01:01:08 +00:00
parent 4461cf48cf
commit 3142b1ac55
4 changed files with 55 additions and 12 deletions
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16
NEWS
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@ -1,4 +1,4 @@
GNU C Library NEWS -- history of user-visible changes. 2006-05-01
GNU C Library NEWS -- history of user-visible changes. 2006-05-07
Copyright (C) 1992-2002,2003,2004,2005,2006 Free Software Foundation, Inc.
See the end for copying conditions.
@ -10,10 +10,24 @@ Version 2.5
* For Linux, the sorting of addresses returned by getaddrinfo now also
handles rules 3 and 7 from RFC 3484. Implemented by Ulrich Drepper.
* Allow system admin to configure getaddrinfo with the /etc/gai.conf file.
Implemented by Ulrich Drepper.
* New Linux interfaces: splice, tee, sync_file_range, vmsplace.
* New iconv module for MIK. Contributed by Alexander Shopov.
* For sites with broken group and/or passwd database, the auto-propagate
option of nscd can prevent creating ID lookup entries from the results
of a name lookup and vice versa. This usually is no problem but some
site might have problems with default behavior.
Implemented by Ulrich Drepper.
* Iterating over entire database in NIS and NIS+ can be slow. With the
SETENT_BATCH_READ option in /etc/default/nss a system admin can decide
to trade time for memory. The entire database will be read at once.
Implemented by Ulrich Drepper.
Version 2.4

9
nptl/ChangeLog
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@ -1,3 +1,12 @@
2006-05-07 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c: Make sure
functions pointer is reloaded after pthread_cancel_init calls.
[BZ #2644]
* sysdeps/pthread/unwind-forcedunwind.c: Make sure functions
pointers are reloaded after pthread_cancel_init calls.
2006-05-01 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/allocalim.h (__libc_use_alloca): Mark with

34
nptl/sysdeps/pthread/unwind-forcedunwind.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
/* Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
@ -22,13 +22,13 @@
#include <unwind.h>
#include <pthreadP.h>
static void (*libgcc_s_resume) (struct _Unwind_Exception *exc);
static _Unwind_Reason_Code (*libgcc_s_personality)
static void (*volatile libgcc_s_resume) (struct _Unwind_Exception *exc);
static _Unwind_Reason_Code (*volatile libgcc_s_personality)
(int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *,
struct _Unwind_Context *);
static _Unwind_Reason_Code (*libgcc_s_forcedunwind)
static _Unwind_Reason_Code (*volatile libgcc_s_forcedunwind)
(struct _Unwind_Exception *, _Unwind_Stop_Fn, void *);
static _Unwind_Word (*libgcc_s_getcfa) (struct _Unwind_Context *);
static _Unwind_Word (*volatile libgcc_s_getcfa) (struct _Unwind_Context *);
void
pthread_cancel_init (void)
@ -67,7 +67,11 @@ void
_Unwind_Resume (struct _Unwind_Exception *exc)
{
if (__builtin_expect (libgcc_s_resume == NULL, 0))
pthread_cancel_init ();
{
pthread_cancel_init ();
/* The function pointer has changed, ensure we reload it. */
asm volatile ("" : "+m" (libgcc_s_resume));
}
libgcc_s_resume (exc);
}
@ -78,7 +82,11 @@ __gcc_personality_v0 (int version, _Unwind_Action actions,
struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_personality == NULL, 0))
pthread_cancel_init ();
{
pthread_cancel_init ();
/* The function pointer has changed, ensure we reload it. */
asm volatile ("" : "+m" (libgcc_s_personality));
}
return libgcc_s_personality (version, actions, exception_class,
ue_header, context);
}
@ -88,7 +96,11 @@ _Unwind_ForcedUnwind (struct _Unwind_Exception *exc, _Unwind_Stop_Fn stop,
void *stop_argument)
{
if (__builtin_expect (libgcc_s_forcedunwind == NULL, 0))
pthread_cancel_init ();
{
pthread_cancel_init ();
/* The function pointer has changed, ensure we reload it. */
asm volatile ("" : "+m" (libgcc_s_forcedunwind));
}
return libgcc_s_forcedunwind (exc, stop, stop_argument);
}
@ -96,6 +108,10 @@ _Unwind_Word
_Unwind_GetCFA (struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_getcfa == NULL, 0))
pthread_cancel_init ();
{
pthread_cancel_init ();
/* The function pointer has changed, ensure we reload it. */
asm volatile ("" : "+m" (libgcc_s_getcfa));
}
return libgcc_s_getcfa (context);
}

8
nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2003 Free Software Foundation, Inc.
/* Copyright (C) 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
@ -33,6 +33,10 @@ _Unwind_Word
_Unwind_GetBSP (struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_getbsp == NULL, 0))
pthread_cancel_init ();
{
pthread_cancel_init ();
/* The function pointer has changed, ensure we reload it. */
asm volatile ("" : "+m" (libgcc_s_getbsp));
}
return libgcc_s_getbsp (context);
}