688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/* Memory handling for the scope data structures.
|
|
Copyright (C) 2009-2018 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
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdlib.h>
|
|
#include <ldsodefs.h>
|
|
#include <sysdep-cancel.h>
|
|
|
|
|
|
int
|
|
_dl_scope_free (void *old)
|
|
{
|
|
struct dl_scope_free_list *fsl;
|
|
#define DL_SCOPE_FREE_LIST_SIZE (sizeof (fsl->list) / sizeof (fsl->list[0]))
|
|
|
|
if (RTLD_SINGLE_THREAD_P)
|
|
free (old);
|
|
else if ((fsl = GL(dl_scope_free_list)) == NULL)
|
|
{
|
|
GL(dl_scope_free_list) = fsl = malloc (sizeof (*fsl));
|
|
if (fsl == NULL)
|
|
{
|
|
THREAD_GSCOPE_WAIT ();
|
|
free (old);
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
fsl->list[0] = old;
|
|
fsl->count = 1;
|
|
}
|
|
}
|
|
else if (fsl->count < DL_SCOPE_FREE_LIST_SIZE)
|
|
fsl->list[fsl->count++] = old;
|
|
else
|
|
{
|
|
THREAD_GSCOPE_WAIT ();
|
|
while (fsl->count > 0)
|
|
free (fsl->list[--fsl->count]);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|