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* libio/genops.c (_IO_un_link, _IO_link_in): Don't use locking if
	_IO_MTSAFE_IO is not defined.
This commit is contained in:
Ulrich Drepper 1999-01-28 11:35:54 +00:00
parent 8ce63ec09b
commit 51e176c2c2
2 changed files with 14 additions and 1 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
1999-01-28 Ulrich Drepper <drepper@cygnus.com>
* libio/genops.c (_IO_un_link, _IO_link_in): Don't use locking if
_IO_MTSAFE_IO is not defined.
* iconv/gconv_db.c (free_modules_db): Don't free memory of
internal modules.

12
libio/genops.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -31,7 +31,9 @@
#endif
#include <string.h>
#ifdef _IO_MTSAFE_IO
static _IO_lock_t list_all_lock = _IO_lock_initializer;
#endif
void
_IO_un_link (fp)
@ -39,8 +41,10 @@ _IO_un_link (fp)
{
if (fp->_flags & _IO_LINKED)
{
#ifdef _IO_MTSAFE_IO
_IO_FILE **f;
_IO_lock_lock (list_all_lock);
#endif
for (f = &_IO_list_all; *f != NULL; f = &(*f)->_chain)
{
if (*f == fp)
@ -49,7 +53,9 @@ _IO_un_link (fp)
break;
}
}
#ifdef _IO_MTSAFE_IO
_IO_lock_unlock (list_all_lock);
#endif
fp->_flags &= ~_IO_LINKED;
}
}
@ -61,10 +67,14 @@ _IO_link_in (fp)
if ((fp->_flags & _IO_LINKED) == 0)
{
fp->_flags |= _IO_LINKED;
#ifdef _IO_MTSAFE_IO
_IO_lock_lock (list_all_lock);
#endif
fp->_chain = _IO_list_all;
_IO_list_all = fp;
#ifdef _IO_MTSAFE_IO
_IO_lock_unlock (list_all_lock);
#endif
}
}