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/* Per-thread state. Linux version.
Copyright (C) 2022 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
<https://www.gnu.org/licenses/>. */
#include <stdlib/arc4random.h>
#include <string.h>
#include <tls-internal.h>
void
__glibc_tls_internal_free (void)
{
struct pthread *self = THREAD_SELF;
free (self->tls_state.strsignal_buf);
free (self->tls_state.strerror_l_buf);
if (self->tls_state.rand_state != NULL)
{
/* Clear any lingering random state prior so if the thread stack is
cached it won't leak any data. */
explicit_bzero (self->tls_state.rand_state,
sizeof (*self->tls_state.rand_state));
free (self->tls_state.rand_state);
}
}
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