glibc/sysdeps/nptl/tcb-access.h

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/* THREAD_* accessors. Generic version based on struct pthread pointers.
Copyright (C) 2002-2022 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/>. */
/* Note: These are for accessing the TCB of the *current* thread.
descr can be disregarded on some targets as an optimization. See
i386 for an example. */
#define THREAD_GETMEM(descr, member) \
descr->member
#define THREAD_GETMEM_VOLATILE(descr, member) \
(*(volatile __typeof (descr->member) *)&descr->member)
#define THREAD_GETMEM_NC(descr, member, idx) \
descr->member[idx]
#define THREAD_SETMEM(descr, member, value) \
descr->member = (value)
#define THREAD_SETMEM_NC(descr, member, idx, value) \
descr->member[idx] = (value)