39 enum siginfo_layout siginfo_layout(int sig, int si_code);
52 	unsigned long sig = _sig - 1;  in sigaddset()  local
54 		set->sig[0] |= 1UL << sig;  in sigaddset()
56 		set->sig[sig / _NSIG_BPW] |= 1UL << (sig % _NSIG_BPW);  in sigaddset()
61 	unsigned long sig = _sig - 1;  in sigdelset()  local
63 		set->sig[0] &= ~(1UL << sig);  in sigdelset()
65 		set->sig[sig / _NSIG_BPW] &= ~(1UL << (sig % _NSIG_BPW));  in sigdelset()
70 	unsigned long sig = _sig - 1;  in sigismember()  local
72 		return 1 & (set->sig[0] >> sig);  in sigismember()
74 		return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));  in sigismember()
83 		return (set->sig[3] | set->sig[2] |  in sigisemptyset()
84 			set->sig[1] | set->sig[0]) == 0;  in sigisemptyset()
86 		return (set->sig[1] | set->sig[0]) == 0;  in sigisemptyset()
88 		return set->sig[0] == 0;  in sigisemptyset()
99 		return	(set1->sig[3] == set2->sig[3]) &&  in sigequalsets()
100 			(set1->sig[2] == set2->sig[2]) &&  in sigequalsets()
101 			(set1->sig[1] == set2->sig[1]) &&  in sigequalsets()
102 			(set1->sig[0] == set2->sig[0]);  in sigequalsets()
104 		return	(set1->sig[1] == set2->sig[1]) &&  in sigequalsets()
105 			(set1->sig[0] == set2->sig[0]);  in sigequalsets()
107 		return	set1->sig[0] == set2->sig[0];  in sigequalsets()
112 #define sigmask(sig)	(1UL << ((sig) - 1))  argument
124 		a3 = a->sig[3]; a2 = a->sig[2];				\
125 		b3 = b->sig[3]; b2 = b->sig[2];				\
126 		r->sig[3] = op(a3, b3);					\
127 		r->sig[2] = op(a2, b2);					\
129 		a1 = a->sig[1]; b1 = b->sig[1];				\
130 		r->sig[1] = op(a1, b1);					\
132 		a0 = a->sig[0]; b0 = b->sig[0];				\
133 		r->sig[0] = op(a0, b0);					\
158 	case 4:	set->sig[3] = op(set->sig[3]);				\  in _SIG_SET_BINOP()
159 		set->sig[2] = op(set->sig[2]);				\  in _SIG_SET_BINOP()
160 	case 2:	set->sig[1] = op(set->sig[1]);				\  in _SIG_SET_BINOP()
161 	case 1:	set->sig[0] = op(set->sig[0]);				\  in _SIG_SET_BINOP()
180 	case 2: set->sig[1] = 0;
181 	case 1:	set->sig[0] = 0;
192 	case 2: set->sig[1] = -1;  in sigfillset()
193 	case 1:	set->sig[0] = -1;  in sigfillset()
202 	set->sig[0] |= mask;  in sigaddsetmask()
207 	set->sig[0] &= ~mask;  in sigdelsetmask()
212 	return (set->sig[0] & mask) != 0;  in sigtestsetmask()
217 	set->sig[0] = mask;  in siginitset()
220 		memset(&set->sig[1], 0, sizeof(long)*(_NSIG_WORDS-1));  in siginitset()
222 	case 2: set->sig[1] = 0;  in siginitset()
229 	set->sig[0] = ~mask;  in siginitsetinv()
232 		memset(&set->sig[1], -1, sizeof(long)*(_NSIG_WORDS-1));  in siginitsetinv()
234 	case 2: set->sig[1] = -1;  in siginitsetinv()
241 static inline void init_sigpending(struct sigpending *sig)  in init_sigpending()  argument
243 	sigemptyset(&sig->signal);  in init_sigpending()
244 	INIT_LIST_HEAD(&sig->list);  in init_sigpending()
250 static inline int valid_signal(unsigned long sig)  in valid_signal()  argument
252 	return sig <= _NSIG ? 1 : 0;  in valid_signal()
260 extern int do_send_sig_info(int sig, struct siginfo *info,
262 extern int group_send_sig_info(int sig, struct siginfo *info,
275 static inline void allow_signal(int sig)  in allow_signal()  argument
282 	kernel_sigaction(sig, (__force __sighandler_t)2);  in allow_signal()
285 static inline void disallow_signal(int sig)  in disallow_signal()  argument
287 	kernel_sigaction(sig, SIG_IGN);  in disallow_signal()
292 extern bool unhandled_signal(struct task_struct *tsk, int sig);
375 #define rt_sigmask(sig)	(1ULL << ((sig)-1))  argument
377 #define rt_sigmask(sig)	sigmask(sig)  argument
380 #define siginmask(sig, mask) \  argument
381 	((sig) < SIGRTMIN && (rt_sigmask(sig) & (mask)))
409 #define sig_kernel_only(sig)		siginmask(sig, SIG_KERNEL_ONLY_MASK)  argument
410 #define sig_kernel_coredump(sig)	siginmask(sig, SIG_KERNEL_COREDUMP_MASK)  argument
411 #define sig_kernel_ignore(sig)		siginmask(sig, SIG_KERNEL_IGNORE_MASK)  argument
412 #define sig_kernel_stop(sig)		siginmask(sig, SIG_KERNEL_STOP_MASK)  argument
413 #define sig_specific_sicodes(sig)	siginmask(sig, SIG_SPECIFIC_SICODES_MASK)  argument