x86: Check the lower byte of EAX of CPUID leaf 2 [BZ #30643]
[glibc.git] / support / xpthread_barrier_wait.c
blob1810a7cb804e3348c59e4433b8bc60eec7dcebd6
1 /* pthread_barrier_wait with error checking.
2 Copyright (C) 2016-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #include <support/xthread.h>
21 int
22 xpthread_barrier_wait (pthread_barrier_t *barrier)
24 int ret = pthread_barrier_wait (barrier);
25 if (ret != 0 && ret != PTHREAD_BARRIER_SERIAL_THREAD)
26 xpthread_check_return ("pthread_barrier_wait", ret);
27 return ret == PTHREAD_BARRIER_SERIAL_THREAD;