/* Special use of signals internally.  Stub version.

   Copyright (C) 2014-2018 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 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/>.  */

#ifndef __INTERNAL_SIGNALS_H

# define __INTERNAL_SIGNALS_H

#include <signal.h>

#include <sigsetops.h>

#include <stdbool.h>

static inline bool

__is_internal_signal (int sig)

{

  return false;

}

static inline void

__clear_internal_signals (sigset_t *set)

{

}

static inline int

__libc_signal_block_all (sigset_t *set)

{

  sigset_t allset;

  __sigfillset (&allset);

  return __sigprocmask (SIG_BLOCK, &allset, set);

}

static inline int

__libc_signal_block_app (sigset_t *set)

{

  sigset_t allset;

  __sigfillset (&allset);

  __clear_internal_signals (&allset);

  return __sigprocmask (SIG_BLOCK, &allset, set);

}

/* Restore current process signal mask.  */

static inline int

__libc_signal_restore_set (const sigset_t *set)

{

  return __sigprocmask (SIG_SETMASK, set, NULL);

}

#endif /* __INTERNAL_SIGNALS_H  */