108 xsi_sigpause(int sig)  in xsi_sigpause()  argument
114 	if (sigdelset(&set, sig) == -1)  in xsi_sigpause()
120 sighold(int sig)  in sighold()  argument
125 	if (sigaddset(&set, sig) == -1)  in sighold()
131 sigignore(int sig)  in sigignore()  argument
137 	return (__libc_sigaction(sig, &sa, NULL));  in sigignore()
141 sigrelse(int sig)  in sigrelse()  argument
146 	if (sigaddset(&set, sig) == -1)  in sigrelse()
152 (*sigset(int sig, void (*disp)(int)))(int)  in sigset()  argument
158 	if (sigaddset(&set, sig) == -1)  in sigset()
165 		if (sigismember(&pset, sig))  in sigset()
168 			if (__libc_sigaction(sig, NULL, &psa) == -1)  in sigset()
179 	if (__libc_sigaction(sig, &sa, &psa) == -1)  in sigset()
181 	if (sigismember(&pset, sig))  in sigset()