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2001-11-28  Ulrich Drepper  <drepper@redhat.com>

	* libio/genops.c (_IO_flush_all_lockp): New function.  The same code
	as the old _IO_flush_all but lock only if parameter is nonzero.
	(_IO_flush_all): Call _IO_flush_all_lockp with 1 as parameter.
	* libio/libioP.h: Add prototype for _IO_flush_all_lockp.
	* sysdeps/generic/abort.c (fflush): Define to _IO_flush_all_lockp(0)
	if libio is used.
This commit is contained in:
Ulrich Drepper 2001-11-28 23:35:29 +00:00
parent cf6a2367e8
commit c6baa867d3
4 changed files with 30 additions and 8 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2001-11-28 Ulrich Drepper <drepper@redhat.com>
* libio/genops.c (_IO_flush_all_lockp): New function. The same code
as the old _IO_flush_all but lock only if parameter is nonzero.
(_IO_flush_all): Call _IO_flush_all_lockp with 1 as parameter.
* libio/libioP.h: Add prototype for _IO_flush_all_lockp.
* sysdeps/generic/abort.c (fflush): Define to _IO_flush_all_lockp(0)
if libio is used.
2001-11-28 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/fpu/bits/mathinline.h (__signbitf, __signbit,

22
libio/genops.c
View File

@ -784,7 +784,7 @@ _IO_get_column (fp)
int
_IO_flush_all ()
_IO_flush_all_lockp (int do_lock)
{
int result = 0;
struct _IO_FILE *fp;
@ -792,7 +792,8 @@ _IO_flush_all ()
#ifdef _IO_MTSAFE_IO
_IO_cleanup_region_start_noarg (flush_cleanup);
_IO_lock_lock (list_all_lock);
if (do_lock)
_IO_lock_lock (list_all_lock);
#endif
last_stamp = _IO_list_all_stamp;
@ -800,7 +801,8 @@ _IO_flush_all ()
while (fp != NULL)
{
run_fp = fp;
_IO_flockfile (fp);
if (do_lock)
_IO_flockfile (fp);
if (((fp->_mode <= 0 && fp->_IO_write_ptr > fp->_IO_write_base)
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
@ -812,7 +814,8 @@ _IO_flush_all ()
&& _IO_OVERFLOW (fp, EOF) == EOF)
result = EOF;
_IO_funlockfile (fp);
if (do_lock)
_IO_funlockfile (fp);
run_fp = NULL;
if (last_stamp != _IO_list_all_stamp)
@ -826,13 +829,22 @@ _IO_flush_all ()
}
#ifdef _IO_MTSAFE_IO
_IO_lock_unlock (list_all_lock);
if (do_lock)
_IO_lock_unlock (list_all_lock);
_IO_cleanup_region_end (0);
#endif
return result;
}
int
_IO_flush_all ()
{
/* We want locking. */
return _IO_flush_all_lockp (1);
}
void
_IO_flush_all_linebuffered ()
{

3
libio/libioP.h
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@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1993,1997,1998,1999,2000,2001 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
@ -426,6 +426,7 @@ extern int _IO_do_write __P ((_IO_FILE *, const char *, _IO_size_t));
extern int _IO_new_do_write __P ((_IO_FILE *, const char *, _IO_size_t));
extern int _IO_old_do_write __P ((_IO_FILE *, const char *, _IO_size_t));
extern int _IO_wdo_write __P ((_IO_FILE *, const wchar_t *, _IO_size_t));
extern int _IO_flush_all_lockp __P ((int));
extern int _IO_flush_all __P ((void));
extern int _IO_cleanup __P ((void));
extern void _IO_flush_all_linebuffered __P ((void));

4
sysdeps/generic/abort.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
/* Copyright (C) 1991, 93, 95, 96, 97, 98, 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
@ -33,7 +33,7 @@
#ifdef USE_IN_LIBIO
# include <libio/iolibio.h>
# define fflush(s) _IO_fflush (s)
# define fflush(s) _IO_flush_all_lockp (0)
#endif
/* We must avoid to run in circles. Therefore we remember how far we