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newlib: update

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git-svn-id: svn://kolibrios.org@3065 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2012-11-26 10:18:42 +00:00
parent 16ef653fe4
commit a1006b9202
51 changed files with 1196 additions and 542 deletions
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programs/develop/libraries/newlib/stdio/fwalk.c
+22 -44
View File
@@ -27,8 +27,8 @@ static char sccsid[] = "%W% (Berkeley) %G%";
#include <errno.h>
#include "local.h"
static int
_DEFUN(__fwalk, (ptr, function),
int
_DEFUN(_fwalk, (ptr, function),
struct _reent *ptr _AND
register int (*function) (FILE *))
{
@@ -36,11 +36,19 @@ _DEFUN(__fwalk, (ptr, function),
register int n, ret = 0;
register struct _glue *g;
/*
* It should be safe to walk the list without locking it;
* new nodes are only added to the end and none are ever
* removed.
*
* Avoid locking this list while walking it or else you will
* introduce a potential deadlock in [at least] refill.c.
*/
for (g = &ptr->__sglue; g != NULL; g = g->_next)
for (fp = g->_iobs, n = g->_niobs; --n >= 0; fp++)
if (fp->_flags != 0)
{
if (fp->_flags != 0 && fp->_file != -1)
if (fp->_flags != 0 && fp->_flags != 1 && fp->_file != -1)
ret |= (*function) (fp);
}
@@ -49,8 +57,8 @@ _DEFUN(__fwalk, (ptr, function),
/* Special version of __fwalk where the function pointer is a reentrant
I/O function (e.g. _fclose_r). */
static int
_DEFUN(__fwalk_reent, (ptr, reent_function),
int
_DEFUN(_fwalk_reent, (ptr, reent_function),
struct _reent *ptr _AND
register int (*reent_function) (struct _reent *, FILE *))
{
@@ -58,51 +66,21 @@ _DEFUN(__fwalk_reent, (ptr, reent_function),
register int n, ret = 0;
register struct _glue *g;
/*
* It should be safe to walk the list without locking it;
* new nodes are only added to the end and none are ever
* removed.
*
* Avoid locking this list while walking it or else you will
* introduce a potential deadlock in [at least] refill.c.
*/
for (g = &ptr->__sglue; g != NULL; g = g->_next)
for (fp = g->_iobs, n = g->_niobs; --n >= 0; fp++)
if (fp->_flags != 0)
{
if (fp->_flags != 0 && fp->_file != -1)
if (fp->_flags != 0 && fp->_flags != 1 && fp->_file != -1)
ret |= (*reent_function) (ptr, fp);
}
return ret;
}
int
_DEFUN(_fwalk, (ptr, function),
struct _reent *ptr _AND
register int (*function)(FILE *))
{
register int ret = 0;
__sfp_lock_acquire ();
/* Must traverse given list for streams. Note that _GLOBAL_REENT
only walked once in exit(). */
ret |= __fwalk (ptr, function);
__sfp_lock_release ();
return ret;
}
/* Special version of _fwalk which handles a function pointer to a
reentrant I/O function (e.g. _fclose_r). */
int
_DEFUN(_fwalk_reent, (ptr, reent_function),
struct _reent *ptr _AND
register int (*reent_function) (struct _reent *, FILE *))
{
register int ret = 0;
__sfp_lock_acquire ();
/* Must traverse given list for streams. Note that _GLOBAL_REENT
only walked once in exit(). */
ret |= __fwalk_reent (ptr, reent_function);
__sfp_lock_release ();
return ret;
}