1/* TCB deallocation for NPTL.
2 Copyright (C) 2002-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <nptl-stack.h>
20#include <pthreadP.h>
21#include <stdlib.h>
22
23void
24__nptl_free_tcb (struct pthread *pd)
25{
26 /* The thread is exiting now. */
27 if ((atomic_fetch_or_relaxed (&pd->cancelhandling, TERMINATED_BITMASK)
28 & TERMINATED_BITMASK) == 0)
29 {
30 /* Free TPP data. */
31 if (pd->tpp != NULL)
32 {
33 struct priority_protection_data *tpp = pd->tpp;
34
35 pd->tpp = NULL;
36 free (tpp);
37 }
38
39 /* Queue the stack memory block for reuse and exit the process. The
40 kernel will signal via writing to the address returned by
41 QUEUE-STACK when the stack is available. */
42 __nptl_deallocate_stack (pd);
43 }
44}
45libc_hidden_def (__nptl_free_tcb)
46