glibc/sysdeps/unix/sysv/linux/pthread-pids.h

31 lines
1.3 KiB
C

/* Initialize pid and tid fields of struct pthread. Linux version.
Copyright (C) 2015-2020 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 <pthreadP.h>
#include <sysdep.h>
/* Initialize PD->pid and PD->tid for the initial thread. If there is
setup required to arrange that __exit_thread causes PD->tid to be
cleared and futex-woken, then this function should do that as well. */
static inline void
__pthread_initialize_pids (struct pthread *pd)
{
INTERNAL_SYSCALL_DECL (err);
pd->tid = INTERNAL_SYSCALL_CALL (set_tid_address, err, &pd->tid);
}