mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 05:20:06 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/* Set a thread's signal state. Hurd on Mach version.
|
|
Copyright (C) 2002-2019 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/>. */
|
|
|
|
#include <pthread.h>
|
|
#include <assert.h>
|
|
#include <signal.h>
|
|
#include <hurd/signal.h>
|
|
|
|
#include <pt-internal.h>
|
|
|
|
error_t
|
|
__pthread_sigstate (struct __pthread *thread, int how,
|
|
const sigset_t *set, sigset_t *oset, int clear_pending)
|
|
{
|
|
error_t err = 0;
|
|
struct hurd_sigstate *ss;
|
|
|
|
ss = _hurd_thread_sigstate (thread->kernel_thread);
|
|
assert (ss);
|
|
|
|
__spin_lock (&ss->lock);
|
|
|
|
if (oset != NULL)
|
|
*oset = ss->blocked;
|
|
|
|
if (set != NULL)
|
|
{
|
|
switch (how)
|
|
{
|
|
case SIG_BLOCK:
|
|
ss->blocked |= *set;
|
|
break;
|
|
|
|
case SIG_SETMASK:
|
|
ss->blocked = *set;
|
|
break;
|
|
|
|
case SIG_UNBLOCK:
|
|
ss->blocked &= ~*set;
|
|
break;
|
|
|
|
default:
|
|
err = EINVAL;
|
|
break;
|
|
}
|
|
ss->blocked &= ~_SIG_CANT_MASK;
|
|
}
|
|
|
|
if (!err && clear_pending)
|
|
__sigemptyset (&ss->pending);
|
|
|
|
__spin_unlock (&ss->lock);
|
|
|
|
return err;
|
|
}
|