From 7cea6212785552b73f22af110a71aa77e2333b82 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Wed, 20 May 2015 14:52:05 -0700 Subject: NaCl: Set tid field to a unique value. --- sysdeps/unix/sysv/linux/pthread-pids.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/pthread-pids.h (limited to 'sysdeps/unix/sysv/linux') diff --git a/sysdeps/unix/sysv/linux/pthread-pids.h b/sysdeps/unix/sysv/linux/pthread-pids.h new file mode 100644 index 0000000000..d333648efa --- /dev/null +++ b/sysdeps/unix/sysv/linux/pthread-pids.h @@ -0,0 +1,30 @@ +/* Initialize pid and tid fields of struct pthread. Linux version. + Copyright (C) 2015 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 + . */ + +#include +#include + +/* 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->pid = pd->tid = INTERNAL_SYSCALL (set_tid_address, err, 1, &pd->tid); +} -- cgit v1.2.3