104 xsi_sigpause(int sig)  in xsi_sigpause()  argument
110 	if (sigdelset(&set, sig) == -1)  in xsi_sigpause()
116 sighold(int sig)  in sighold()  argument
121 	if (sigaddset(&set, sig) == -1)  in sighold()
127 sigignore(int sig)  in sigignore()  argument
133 	return (__libc_sigaction(sig, &sa, NULL));  in sigignore()
137 sigrelse(int sig)  in sigrelse()  argument
142 	if (sigaddset(&set, sig) == -1)  in sigrelse()
148 (*sigset(int sig, void (*disp)(int)))(int)  in sigset()  argument
154 	if (sigaddset(&set, sig) == -1)  in sigset()
161 		if (sigismember(&pset, sig))  in sigset()
164 			if (__libc_sigaction(sig, NULL, &psa) == -1)  in sigset()
175 	if (__libc_sigaction(sig, &sa, &psa) == -1)  in sigset()
177 	if (sigismember(&pset, sig))  in sigset()