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/* Special use of signals internally. Stub version.
Copyright (C) 2014-2024 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/>. */
#ifndef __INTERNAL_SIGNALS_H
# define __INTERNAL_SIGNALS_H
#include <signal.h>
#include <internal-sigset.h>
#include <sigsetops.h>
#include <stdbool.h>
#include <stddef.h>
/* How many signal numbers need to be reserved for libpthread's private uses
(SIGCANCEL and SIGSETXID). */
#define RESERVED_SIGRT 0
static inline bool
is_internal_signal (int sig)
{
return false;
}
static inline void
clear_internal_signals (sigset_t *set)
{
}
#define internal_sigemptyset(__s) __sigemptyset (__s)
#define internal_sigfillset(__s) __sigfillset (__s)
#define internal_sigaddset(__s, __i) __sigaddset (__s, __i)
#define internal_sigprocmask(__h, __s, __o) __sigprocmask (__h, __s, __o)
static inline void
internal_signal_block_all (internal_sigset_t *oset)
{
internal_sigset_t set;
internal_sigfillset (&set);
internal_sigprocmask (SIG_BLOCK, &set, oset);
}
static inline void
internal_signal_restore_set (const internal_sigset_t *set)
{
internal_sigprocmask (SIG_SETMASK, set, NULL);
}
static inline void
internal_signal_unblock_signal (int sig)
{
internal_sigset_t set;
internal_sigemptyset (&set);
internal_sigaddset (&set, sig);
internal_sigprocmask (SIG_UNBLOCK, &set, NULL);
}
#endif /* __INTERNAL_SIGNALS_H */
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