mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
|
/* Low-level thread creation for NPTL. Stub version.
|
||
|
|
Copyright (C) 2014 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
|
||
|
|
<http://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
/* See the comments in pthread_create.c for the requirements for these
|
||
|
|
two macros and the create_thread function. */
|
||
|
|
|
||
|
|
#define START_THREAD_DEFN \
|
||
|
|
static void __attribute__ ((noreturn)) start_thread (void)
|
||
|
|
#define START_THREAD_SELF THREAD_SELF
|
||
|
|
|
||
|
|
static int
|
||
|
|
create_thread (struct pthread *pd, const struct pthread_attr *attr,
|
||
|
|
bool stopped_start, STACK_VARIABLES_PARMS, bool *thread_ran)
|
||
|
|
{
|
||
|
|
/* If the implementation needs to do some tweaks to the thread after
|
||
|
|
it has been created at the OS level, it can set STOPPED_START here. */
|
||
|
|
|
||
|
|
pd->stopped_start = stopped_start;
|
||
|
|
if (__glibc_unlikely (stopped_start))
|
||
|
|
/* We make sure the thread does not run far by forcing it to get a
|
||
|
|
lock. We lock it here too so that the new thread cannot continue
|
||
|
|
until we tell it to. */
|
||
|
|
lll_lock (pd->lock, LLL_PRIVATE);
|
||
|
|
|
||
|
|
return ENOSYS;
|
||
|
|
|
||
|
|
/* It's started now, so if we fail below, we'll have to cancel it
|
||
|
|
and let it clean itself up. */
|
||
|
|
*thread_ran = true;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|