42 	unsigned long sig = _sig - 1;  in sigaddset()  local
44 		set->sig[0] |= 1UL << sig;  in sigaddset()
46 		set->sig[sig / _NSIG_BPW] |= 1UL << (sig % _NSIG_BPW);  in sigaddset()
51 	unsigned long sig = _sig - 1;  in sigdelset()  local
53 		set->sig[0] &= ~(1UL << sig);  in sigdelset()
55 		set->sig[sig / _NSIG_BPW] &= ~(1UL << (sig % _NSIG_BPW));  in sigdelset()
60 	unsigned long sig = _sig - 1;  in sigismember()  local
62 		return 1 & (set->sig[0] >> sig);  in sigismember()
64 		return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));  in sigismember()
73 		return (set->sig[3] | set->sig[2] |  in sigisemptyset()
74 			set->sig[1] | set->sig[0]) == 0;  in sigisemptyset()
76 		return (set->sig[1] | set->sig[0]) == 0;  in sigisemptyset()
78 		return set->sig[0] == 0;  in sigisemptyset()
85 #define sigmask(sig)	(1UL << ((sig) - 1))  argument
97 		a3 = a->sig[3]; a2 = a->sig[2];				\
98 		b3 = b->sig[3]; b2 = b->sig[2];				\
99 		r->sig[3] = op(a3, b3);					\
100 		r->sig[2] = op(a2, b2);					\
102 		a1 = a->sig[1]; b1 = b->sig[1];				\
103 		r->sig[1] = op(a1, b1);					\
105 		a0 = a->sig[0]; b0 = b->sig[0];				\
106 		r->sig[0] = op(a0, b0);					\
131 	case 4:	set->sig[3] = op(set->sig[3]);				\  in _SIG_SET_BINOP()
132 		set->sig[2] = op(set->sig[2]);				\  in _SIG_SET_BINOP()
133 	case 2:	set->sig[1] = op(set->sig[1]);				\  in _SIG_SET_BINOP()
134 	case 1:	set->sig[0] = op(set->sig[0]);				\  in _SIG_SET_BINOP()
153 	case 2: set->sig[1] = 0;
154 	case 1:	set->sig[0] = 0;
165 	case 2: set->sig[1] = -1;  in sigfillset()
166 	case 1:	set->sig[0] = -1;  in sigfillset()
175 	set->sig[0] |= mask;  in sigaddsetmask()
180 	set->sig[0] &= ~mask;  in sigdelsetmask()
185 	return (set->sig[0] & mask) != 0;  in sigtestsetmask()
190 	set->sig[0] = mask;  in siginitset()
193 		memset(&set->sig[1], 0, sizeof(long)*(_NSIG_WORDS-1));  in siginitset()
195 	case 2: set->sig[1] = 0;  in siginitset()
202 	set->sig[0] = ~mask;  in siginitsetinv()
205 		memset(&set->sig[1], -1, sizeof(long)*(_NSIG_WORDS-1));  in siginitsetinv()
207 	case 2: set->sig[1] = -1;  in siginitsetinv()
214 static inline void init_sigpending(struct sigpending *sig)  in init_sigpending()  argument
216 	sigemptyset(&sig->signal);  in init_sigpending()
217 	INIT_LIST_HEAD(&sig->list);  in init_sigpending()
223 static inline int valid_signal(unsigned long sig)  in valid_signal()  argument
225 	return sig <= _NSIG ? 1 : 0;  in valid_signal()
232 extern int do_send_sig_info(int sig, struct siginfo *info,
234 extern int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p);
277 	int sig;  member
285 static inline void allow_signal(int sig)  in allow_signal()  argument
292 	kernel_sigaction(sig, (__force __sighandler_t)2);  in allow_signal()
295 static inline void disallow_signal(int sig)  in disallow_signal()  argument
297 	kernel_sigaction(sig, SIG_IGN);  in disallow_signal()
302 int unhandled_signal(struct task_struct *tsk, int sig);
385 #define rt_sigmask(sig)	(1ULL << ((sig)-1))  argument
387 #define rt_sigmask(sig)	sigmask(sig)  argument
389 #define siginmask(sig, mask) (rt_sigmask(sig) & (mask))  argument
410 #define sig_kernel_only(sig) \  argument
411 	(((sig) < SIGRTMIN) && siginmask(sig, SIG_KERNEL_ONLY_MASK))
412 #define sig_kernel_coredump(sig) \  argument
413 	(((sig) < SIGRTMIN) && siginmask(sig, SIG_KERNEL_COREDUMP_MASK))
414 #define sig_kernel_ignore(sig) \  argument
415 	(((sig) < SIGRTMIN) && siginmask(sig, SIG_KERNEL_IGNORE_MASK))
416 #define sig_kernel_stop(sig) \  argument
417 	(((sig) < SIGRTMIN) && siginmask(sig, SIG_KERNEL_STOP_MASK))