diff options
Diffstat (limited to 'sysdeps/generic/internal-signals.h')
-rw-r--r-- | sysdeps/generic/internal-signals.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sysdeps/generic/internal-signals.h b/sysdeps/generic/internal-signals.h new file mode 100644 index 0000000000..5282cffce0 --- /dev/null +++ b/sysdeps/generic/internal-signals.h @@ -0,0 +1,62 @@ +/* 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 */ |