* libio/libioP.h (_IO_acquire_lock_clear_flags2_fct): New function.

	* debug/vfwprintf_chk.c (__vfwprintf_chk): Use
	_IO_acquire_lock_clear_flags2 instead of _IO_acquire_lock.
	* debug/vprintf_chk.c (__vprintf_chk): Likewise.
	* debug/vwprintf_chk.c (__vwprintf_chk): Likewise.
	* debug/vfprintf_chk.c (__vfprintf_chk): Likewise.
	* debug/fwprintf_chk.c (__fwprintf_chk): Likewise.
	* debug/printf_chk.c (__printf_chk): Likewise.
	* debug/fprintf_chk.c (__fprintf_chk): Likewise.
	* debug/wprintf_chk.c (__wprintf_chk): Likewise.

	* sysdeps/pthread/bits/stdio-lock.h (_IO_acquire_lock_clear_flags2):
	Define.

11 files changed, 48 insertions, 20 deletions

diff --git a/ChangeLog b/ChangeLog
index 4fa39d277e..208ca7e068 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,19 @@
 2007-07-17  Jakub Jelinek  <jakub@redhat.com>
 
+	* libio/libioP.h (_IO_acquire_lock_clear_flags2_fct): New function.
+	* debug/vfwprintf_chk.c (__vfwprintf_chk): Use
+	_IO_acquire_lock_clear_flags2 instead of _IO_acquire_lock.
+	* debug/vprintf_chk.c (__vprintf_chk): Likewise.
+	* debug/vwprintf_chk.c (__vwprintf_chk): Likewise.
+	* debug/vfprintf_chk.c (__vfprintf_chk): Likewise.
+	* debug/fwprintf_chk.c (__fwprintf_chk): Likewise.
+	* debug/printf_chk.c (__printf_chk): Likewise.
+	* debug/fprintf_chk.c (__fprintf_chk): Likewise.
+	* debug/wprintf_chk.c (__wprintf_chk): Likewise.
+
+	* sysdeps/pthread/bits/stdio-lock.h (_IO_acquire_lock_clear_flags2):
+	Define.
+
 	* bits/confname.h (_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS): Define.
 	* posix/getconf.c (vars): Add POSIX_V6_WIDTH_RESTRICTED_ENVS.
 
@@ -9,8 +23,6 @@
 	* stdlib/stdlib.h (realloc): Remove __attribute_malloc__.
 	* malloc/malloc.h (realloc): Likewise.
 
-2007-07-16  Jakub Jelinek  <jakub@redhat.com>
-
 	* libio/iopopen.c (_IO_new_proc_open): Don't close child_std_end
 	if one of proc_file_chain streams has that fileno.
 	* stdio-common/Makefile (tests): Add tst-popen2.
diff --git a/debug/fprintf_chk.c b/debug/fprintf_chk.c
index 58b5fb2b3e..77c50311f7 100644
--- a/debug/fprintf_chk.c
+++ b/debug/fprintf_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2006
+/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2006, 2007
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -29,7 +29,7 @@ ___fprintf_chk (FILE *fp, int flag, const char *format, ...)
   va_list ap;
   int done;
 
-  _IO_acquire_lock (fp);
+  _IO_acquire_lock_clear_flags2 (fp);
   if (flag > 0)
     fp->_flags2 |= _IO_FLAGS2_FORTIFY;
 
diff --git a/debug/fwprintf_chk.c b/debug/fwprintf_chk.c
index 710c89f3c8..b7e3494c7d 100644
--- a/debug/fwprintf_chk.c
+++ b/debug/fwprintf_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005
+/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005, 2007
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -29,7 +29,7 @@ __fwprintf_chk (FILE *fp, int flag, const wchar_t *format, ...)
   va_list ap;
   int done;
 
-  _IO_acquire_lock (fp);
+  _IO_acquire_lock_clear_flags2 (fp);
   if (flag > 0)
     fp->_flags2 |= _IO_FLAGS2_FORTIFY;
 
diff --git a/debug/printf_chk.c b/debug/printf_chk.c
index b8f00965dc..7bea9f6b06 100644
--- a/debug/printf_chk.c
+++ b/debug/printf_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2006
+/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2006, 2007
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -29,7 +29,7 @@ ___printf_chk (int flag, const char *format, ...)
   va_list ap;
   int done;
 
-  _IO_acquire_lock (stdout);
+  _IO_acquire_lock_clear_flags2 (stdout);
   if (flag > 0)
     stdout->_flags2 |= _IO_FLAGS2_FORTIFY;
 
diff --git a/debug/vfprintf_chk.c b/debug/vfprintf_chk.c
index bd2796eaf7..7146986d5e 100644
--- a/debug/vfprintf_chk.c
+++ b/debug/vfprintf_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005, 2006
+/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005, 2006, 2007
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -28,7 +28,7 @@ ___vfprintf_chk (FILE *fp, int flag, const char *format, va_list ap)
 {
   int done;
 
-  _IO_acquire_lock (fp);
+  _IO_acquire_lock_clear_flags2 (fp);
   if (flag > 0)
     fp->_flags2 |= _IO_FLAGS2_FORTIFY;
 
diff --git a/debug/vfwprintf_chk.c b/debug/vfwprintf_chk.c
index a2612d53e9..f0ae041c2e 100644
--- a/debug/vfwprintf_chk.c
+++ b/debug/vfwprintf_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005, 2006
+/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005, 2006, 2007
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -28,7 +28,7 @@ __vfwprintf_chk (FILE *fp, int flag, const wchar_t *format, va_list ap)
 {
   int done;
 
-  _IO_acquire_lock (fp);
+  _IO_acquire_lock_clear_flags2 (fp);
   if (flag > 0)
     fp->_flags2 |= _IO_FLAGS2_FORTIFY;
 
diff --git a/debug/vprintf_chk.c b/debug/vprintf_chk.c
index 68a63ee7f9..68ff4909ba 100644
--- a/debug/vprintf_chk.c
+++ b/debug/vprintf_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2006
+/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2006, 2007
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -28,7 +28,7 @@ ___vprintf_chk (int flag, const char *format, va_list ap)
 {
   int done;
 
-  _IO_acquire_lock (stdout);
+  _IO_acquire_lock_clear_flags2 (stdout);
   if (flag > 0)
     stdout->_flags2 |= _IO_FLAGS2_FORTIFY;
 
diff --git a/debug/vwprintf_chk.c b/debug/vwprintf_chk.c
index 3b959b2968..48306a7438 100644
--- a/debug/vwprintf_chk.c
+++ b/debug/vwprintf_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005
+/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005, 2007
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -29,7 +29,7 @@ __vwprintf_chk (int flag, const wchar_t *format, va_list ap)
 {
   int done;
 
-  _IO_acquire_lock (stdout);
+  _IO_acquire_lock_clear_flags2 (stdout);
   if (flag > 0)
     stdout->_flags2 |= _IO_FLAGS2_FORTIFY;
 
diff --git a/debug/wprintf_chk.c b/debug/wprintf_chk.c
index e0a82617ad..ef60f8a9f8 100644
--- a/debug/wprintf_chk.c
+++ b/debug/wprintf_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005
+/* Copyright (C) 1991, 1995, 1996, 1997, 2001, 2004, 2005, 2007
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -30,7 +30,7 @@ __wprintf_chk (int flag, const wchar_t *format, ...)
   va_list ap;
   int done;
 
-  _IO_acquire_lock (stdout);
+  _IO_acquire_lock_clear_flags2 (stdout);
   if (flag > 0)
     stdout->_flags2 |= _IO_FLAGS2_FORTIFY;
 
diff --git a/libio/libioP.h b/libio/libioP.h
index a574b40f77..b99b81743f 100644
--- a/libio/libioP.h
+++ b/libio/libioP.h
@@ -968,3 +968,13 @@ _IO_acquire_lock_fct (_IO_FILE **p)
   if ((fp->_flags & _IO_USER_LOCK) == 0)
     _IO_funlockfile (fp);
 }
+
+static inline void
+__attribute__ ((__always_inline__))
+_IO_acquire_lock_clear_flags2_fct (_IO_FILE **p)
+{
+  _IO_FILE *fp = *p;
+  fp->_flags &= ~_IO_FLAGS2_FORTIFY;
+  if ((fp->_flags & _IO_USER_LOCK) == 0)
+    _IO_funlockfile (fp);
+}
diff --git a/nptl/sysdeps/pthread/bits/stdio-lock.h b/nptl/sysdeps/pthread/bits/stdio-lock.h
index cd64bc37e2..5f2382104b 100644
--- a/nptl/sysdeps/pthread/bits/stdio-lock.h
+++ b/nptl/sysdeps/pthread/bits/stdio-lock.h
@@ -1,5 +1,5 @@
 /* Thread package specific definitions of stream lock type.  NPTL version.
-   Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2003, 2007 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
@@ -94,9 +94,15 @@ typedef struct { int lock; int cnt; void *owner; } _IO_lock_t;
 	__attribute__((cleanup (_IO_acquire_lock_fct)))			      \
 	= (_fp);							      \
     _IO_flockfile (_IO_acquire_lock_file);
-
+#  define _IO_acquire_lock_clear_flags2(_fp) \
+  do {									      \
+    _IO_FILE *_IO_acquire_lock_file					      \
+	__attribute__((cleanup (_IO_acquire_lock_clear_flags2_fct)))	      \
+	= (_fp);							      \
+    _IO_flockfile (_IO_acquire_lock_file);
 # else
 #  define _IO_acquire_lock(_fp) _IO_acquire_lock_needs_exceptions_enabled
+#  define _IO_acquire_lock_clear_flags2(_fp) _IO_acquire_lock (_fp)
 # endif
 # define _IO_release_lock(_fp) ; } while (0)