diff options
Diffstat (limited to 'sysdeps/mach/hurd/htl/pt-sigstate.c')
-rw-r--r-- | sysdeps/mach/hurd/htl/pt-sigstate.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/htl/pt-sigstate.c b/sysdeps/mach/hurd/htl/pt-sigstate.c new file mode 100644 index 0000000000..5f0a1b4f9a --- /dev/null +++ b/sysdeps/mach/hurd/htl/pt-sigstate.c @@ -0,0 +1,70 @@ +/* Set a thread's signal state. Hurd on Mach version. + Copyright (C) 2002-2018 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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; +} |