mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/* Initialize the signal state. Hurd on Mach version.
|
|
Copyright (C) 2002-2024 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 <pthread.h>
|
|
#include <pt-internal.h>
|
|
#include <hurd/signal.h>
|
|
|
|
error_t
|
|
__pthread_sigstate_init (struct __pthread *thread)
|
|
{
|
|
static int do_init_global;
|
|
|
|
/* Mark the thread as a global signal receiver so as to conform with
|
|
the pthread semantics. However, we must be careful. The first
|
|
pthread created is the main thread, during libpthread initialization.
|
|
We must not mark it, otherwise the sigprocmask call in
|
|
__pthread_create would try to access _hurd_global_sigstate,
|
|
which is not initialized yet. When glibc runs _hurdsig_init later
|
|
on, the message thread is created, which must not be marked either. */
|
|
if (do_init_global)
|
|
{
|
|
struct hurd_sigstate *ss = _hurd_thread_sigstate (thread->kernel_thread);
|
|
_hurd_sigstate_set_global_rcv (ss);
|
|
}
|
|
else if (GL (dl_pthread_num_threads) >= 2)
|
|
do_init_global = 1;
|
|
|
|
return 0;
|
|
}
|