53 enum siginfo_layout siginfo_layout(unsigned sig, int si_code);
66 	unsigned long sig = _sig - 1;  in sigaddset()  local
68 		set->sig[0] |= 1UL << sig;  in sigaddset()
70 		set->sig[sig / _NSIG_BPW] |= 1UL << (sig % _NSIG_BPW);  in sigaddset()
75 	unsigned long sig = _sig - 1;  in sigdelset()  local
77 		set->sig[0] &= ~(1UL << sig);  in sigdelset()
79 		set->sig[sig / _NSIG_BPW] &= ~(1UL << (sig % _NSIG_BPW));  in sigdelset()
84 	unsigned long sig = _sig - 1;  in sigismember()  local
86 		return 1 & (set->sig[0] >> sig);  in sigismember()
88 		return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));  in sigismember()
97 		return (set->sig[3] | set->sig[2] |  in sigisemptyset()
98 			set->sig[1] | set->sig[0]) == 0;  in sigisemptyset()
100 		return (set->sig[1] | set->sig[0]) == 0;  in sigisemptyset()
102 		return set->sig[0] == 0;  in sigisemptyset()
113 		return	(set1->sig[3] == set2->sig[3]) &&  in sigequalsets()
114 			(set1->sig[2] == set2->sig[2]) &&  in sigequalsets()
115 			(set1->sig[1] == set2->sig[1]) &&  in sigequalsets()
116 			(set1->sig[0] == set2->sig[0]);  in sigequalsets()
118 		return	(set1->sig[1] == set2->sig[1]) &&  in sigequalsets()
119 			(set1->sig[0] == set2->sig[0]);  in sigequalsets()
121 		return	set1->sig[0] == set2->sig[0];  in sigequalsets()
126 #define sigmask(sig)	(1UL << ((sig) - 1))  argument
137 		a3 = a->sig[3]; a2 = a->sig[2];				\
138 		b3 = b->sig[3]; b2 = b->sig[2];				\
139 		r->sig[3] = op(a3, b3);					\
140 		r->sig[2] = op(a2, b2);					\
143 		a1 = a->sig[1]; b1 = b->sig[1];				\
144 		r->sig[1] = op(a1, b1);					\
147 		a0 = a->sig[0]; b0 = b->sig[0];				\
148 		r->sig[0] = op(a0, b0);					\
173 	case 4:	set->sig[3] = op(set->sig[3]);				\  in _SIG_SET_BINOP()
174 		set->sig[2] = op(set->sig[2]);				\  in _SIG_SET_BINOP()
176 	case 2:	set->sig[1] = op(set->sig[1]);				\  in _SIG_SET_BINOP()
178 	case 1:	set->sig[0] = op(set->sig[0]);				\  in _SIG_SET_BINOP()
197 	case 2: set->sig[1] = 0;
199 	case 1:	set->sig[0] = 0;
210 	case 2: set->sig[1] = -1;  in sigfillset()
212 	case 1:	set->sig[0] = -1;  in sigfillset()
221 	set->sig[0] |= mask;  in sigaddsetmask()
226 	set->sig[0] &= ~mask;  in sigdelsetmask()
231 	return (set->sig[0] & mask) != 0;  in sigtestsetmask()
236 	set->sig[0] = mask;  in siginitset()
239 		memset(&set->sig[1], 0, sizeof(long)*(_NSIG_WORDS-1));  in siginitset()
241 	case 2: set->sig[1] = 0;  in siginitset()
249 	set->sig[0] = ~mask;  in siginitsetinv()
252 		memset(&set->sig[1], -1, sizeof(long)*(_NSIG_WORDS-1));  in siginitsetinv()
254 	case 2: set->sig[1] = -1;  in siginitsetinv()
262 static inline void init_sigpending(struct sigpending *sig)  in init_sigpending()  argument
264 	sigemptyset(&sig->signal);  in init_sigpending()
265 	INIT_LIST_HEAD(&sig->list);  in init_sigpending()
271 static inline int valid_signal(unsigned long sig)  in valid_signal()  argument
273 	return sig <= _NSIG ? 1 : 0;  in valid_signal()
281 extern int do_send_sig_info(int sig, struct kernel_siginfo *info,
283 extern int group_send_sig_info(int sig, struct kernel_siginfo *info,
285 extern int send_signal_locked(int sig, struct kernel_siginfo *info,
300 static inline void allow_signal(int sig)  in allow_signal()  argument
307 	kernel_sigaction(sig, SIG_KTHREAD);  in allow_signal()
310 static inline void allow_kernel_signal(int sig)  in allow_kernel_signal()  argument
317 	kernel_sigaction(sig, SIG_KTHREAD_KERNEL);  in allow_kernel_signal()
320 static inline void disallow_signal(int sig)  in disallow_signal()  argument
322 	kernel_sigaction(sig, SIG_IGN);  in disallow_signal()
327 extern bool unhandled_signal(struct task_struct *tsk, int sig);
410 #define rt_sigmask(sig)	(1ULL << ((sig)-1))  argument
412 #define rt_sigmask(sig)	sigmask(sig)  argument
415 #define siginmask(sig, mask) \  argument
416 	((sig) > 0 && (sig) < SIGRTMIN && (rt_sigmask(sig) & (mask)))
444 #define sig_kernel_only(sig)		siginmask(sig, SIG_KERNEL_ONLY_MASK)  argument
445 #define sig_kernel_coredump(sig)	siginmask(sig, SIG_KERNEL_COREDUMP_MASK)  argument
446 #define sig_kernel_ignore(sig)		siginmask(sig, SIG_KERNEL_IGNORE_MASK)  argument
447 #define sig_kernel_stop(sig)		siginmask(sig, SIG_KERNEL_STOP_MASK)  argument
448 #define sig_specific_sicodes(sig)	siginmask(sig, SIG_SPECIFIC_SICODES_MASK)  argument
485 						 unsigned long sig,  in arch_untagged_si_addr()  argument