51 enum siginfo_layout siginfo_layout(unsigned sig, int si_code);
64 	unsigned long sig = _sig - 1;  in sigaddset()  local
66 		set->sig[0] |= 1UL << sig;  in sigaddset()
68 		set->sig[sig / _NSIG_BPW] |= 1UL << (sig % _NSIG_BPW);  in sigaddset()
73 	unsigned long sig = _sig - 1;  in sigdelset()  local
75 		set->sig[0] &= ~(1UL << sig);  in sigdelset()
77 		set->sig[sig / _NSIG_BPW] &= ~(1UL << (sig % _NSIG_BPW));  in sigdelset()
82 	unsigned long sig = _sig - 1;  in sigismember()  local
84 		return 1 & (set->sig[0] >> sig);  in sigismember()
86 		return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));  in sigismember()
95 		return (set->sig[3] | set->sig[2] |  in sigisemptyset()
96 			set->sig[1] | set->sig[0]) == 0;  in sigisemptyset()
98 		return (set->sig[1] | set->sig[0]) == 0;  in sigisemptyset()
100 		return set->sig[0] == 0;  in sigisemptyset()
111 		return	(set1->sig[3] == set2->sig[3]) &&  in sigequalsets()
112 			(set1->sig[2] == set2->sig[2]) &&  in sigequalsets()
113 			(set1->sig[1] == set2->sig[1]) &&  in sigequalsets()
114 			(set1->sig[0] == set2->sig[0]);  in sigequalsets()
116 		return	(set1->sig[1] == set2->sig[1]) &&  in sigequalsets()
117 			(set1->sig[0] == set2->sig[0]);  in sigequalsets()
119 		return	set1->sig[0] == set2->sig[0];  in sigequalsets()
124 #define sigmask(sig)	(1UL << ((sig) - 1))  argument
136 		a3 = a->sig[3]; a2 = a->sig[2];				\
137 		b3 = b->sig[3]; b2 = b->sig[2];				\
138 		r->sig[3] = op(a3, b3);					\
139 		r->sig[2] = op(a2, b2);					\
142 		a1 = a->sig[1]; b1 = b->sig[1];				\
143 		r->sig[1] = op(a1, b1);					\
146 		a0 = a->sig[0]; b0 = b->sig[0];				\
147 		r->sig[0] = op(a0, b0);					\
172 	case 4:	set->sig[3] = op(set->sig[3]);				\  in _SIG_SET_BINOP()
173 		set->sig[2] = op(set->sig[2]);				\  in _SIG_SET_BINOP()
175 	case 2:	set->sig[1] = op(set->sig[1]);				\  in _SIG_SET_BINOP()
177 	case 1:	set->sig[0] = op(set->sig[0]);				\  in _SIG_SET_BINOP()
196 	case 2: set->sig[1] = 0;
198 	case 1:	set->sig[0] = 0;
209 	case 2: set->sig[1] = -1;  in sigfillset()
211 	case 1:	set->sig[0] = -1;  in sigfillset()
220 	set->sig[0] |= mask;  in sigaddsetmask()
225 	set->sig[0] &= ~mask;  in sigdelsetmask()
230 	return (set->sig[0] & mask) != 0;  in sigtestsetmask()
235 	set->sig[0] = mask;  in siginitset()
238 		memset(&set->sig[1], 0, sizeof(long)*(_NSIG_WORDS-1));  in siginitset()
240 	case 2: set->sig[1] = 0;  in siginitset()
248 	set->sig[0] = ~mask;  in siginitsetinv()
251 		memset(&set->sig[1], -1, sizeof(long)*(_NSIG_WORDS-1));  in siginitsetinv()
253 	case 2: set->sig[1] = -1;  in siginitsetinv()
261 static inline void init_sigpending(struct sigpending *sig)  in init_sigpending()  argument
263 	sigemptyset(&sig->signal);  in init_sigpending()
264 	INIT_LIST_HEAD(&sig->list);  in init_sigpending()
270 static inline int valid_signal(unsigned long sig)  in valid_signal()  argument
272 	return sig <= _NSIG ? 1 : 0;  in valid_signal()
280 extern int do_send_sig_info(int sig, struct kernel_siginfo *info,
282 extern int group_send_sig_info(int sig, struct kernel_siginfo *info,
298 static inline void allow_signal(int sig)  in allow_signal()  argument
305 	kernel_sigaction(sig, SIG_KTHREAD);  in allow_signal()
308 static inline void allow_kernel_signal(int sig)  in allow_kernel_signal()  argument
315 	kernel_sigaction(sig, SIG_KTHREAD_KERNEL);  in allow_kernel_signal()
318 static inline void disallow_signal(int sig)  in disallow_signal()  argument
320 	kernel_sigaction(sig, SIG_IGN);  in disallow_signal()
325 extern bool unhandled_signal(struct task_struct *tsk, int sig);
408 #define rt_sigmask(sig)	(1ULL << ((sig)-1))  argument
410 #define rt_sigmask(sig)	sigmask(sig)  argument
413 #define siginmask(sig, mask) \  argument
414 	((sig) > 0 && (sig) < SIGRTMIN && (rt_sigmask(sig) & (mask)))
442 #define sig_kernel_only(sig)		siginmask(sig, SIG_KERNEL_ONLY_MASK)  argument
443 #define sig_kernel_coredump(sig)	siginmask(sig, SIG_KERNEL_COREDUMP_MASK)  argument
444 #define sig_kernel_ignore(sig)		siginmask(sig, SIG_KERNEL_IGNORE_MASK)  argument
445 #define sig_kernel_stop(sig)		siginmask(sig, SIG_KERNEL_STOP_MASK)  argument
446 #define sig_specific_sicodes(sig)	siginmask(sig, SIG_SPECIFIC_SICODES_MASK)  argument
479 						 unsigned long sig,  in arch_untagged_si_addr()  argument