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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/* Memory handling for the scope data structures.
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Copyright (C) 2009-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <ldsodefs.h>
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#include <sysdep-cancel.h>
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int
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_dl_scope_free (void *old)
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{
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struct dl_scope_free_list *fsl;
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#define DL_SCOPE_FREE_LIST_SIZE (sizeof (fsl->list) / sizeof (fsl->list[0]))
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if (RTLD_SINGLE_THREAD_P)
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free (old);
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else if ((fsl = GL(dl_scope_free_list)) == NULL)
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{
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GL(dl_scope_free_list) = fsl = malloc (sizeof (*fsl));
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if (fsl == NULL)
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{
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THREAD_GSCOPE_WAIT ();
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free (old);
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return 1;
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}
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else
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{
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fsl->list[0] = old;
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fsl->count = 1;
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}
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}
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else if (fsl->count < DL_SCOPE_FREE_LIST_SIZE)
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fsl->list[fsl->count++] = old;
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else
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{
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THREAD_GSCOPE_WAIT ();
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while (fsl->count > 0)
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free (fsl->list[--fsl->count]);
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return 1;
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}
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return 0;
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}
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