View file File name : signal-defs.h Content :/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __ASM_GENERIC_SIGNAL_DEFS_H #define __ASM_GENERIC_SIGNAL_DEFS_H #ifndef SIG_BLOCK #define SIG_BLOCK 0 /* for blocking signals */ #endif #ifndef SIG_UNBLOCK #define SIG_UNBLOCK 1 /* for unblocking signals */ #endif #ifndef SIG_SETMASK #define SIG_SETMASK 2 /* for setting the signal mask */ #endif #ifndef __ASSEMBLY__ typedef void __signalfn_t(int); typedef __signalfn_t *__sighandler_t; typedef void __restorefn_t(void); typedef __restorefn_t *__sigrestore_t; #define SIG_DFL ((__sighandler_t)0) /* default signal handling */ #define SIG_IGN ((__sighandler_t)1) /* ignore signal */ #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ #endif #endif /* __ASM_GENERIC_SIGNAL_DEFS_H */