67 signal_nothrow (int sig, handler_t handler)  in signal_nothrow()  argument
73       result = signal (sig, handler);  in signal_nothrow()
95 ext_signal (int sig, handler_t handler)  in ext_signal()  argument
97   switch (sig)  in ext_signal()
106       return signal (sig, handler);  in ext_signal()
114 sigismember (const sigset_t *set, int sig)  in sigismember()  argument
116   if (sig >= 0 && sig < NSIG)  in sigismember()
119       if (sig == SIGABRT_COMPAT)  in sigismember()
120         sig = SIGABRT;  in sigismember()
123       return (*set >> sig) & 1;  in sigismember()
137 sigaddset (sigset_t *set, int sig)  in sigaddset()  argument
139   if (sig >= 0 && sig < NSIG)  in sigaddset()
142       if (sig == SIGABRT_COMPAT)  in sigaddset()
143         sig = SIGABRT;  in sigaddset()
146       *set |= 1U << sig;  in sigaddset()
157 sigdelset (sigset_t *set, int sig)  in sigdelset()  argument
159   if (sig >= 0 && sig < NSIG)  in sigdelset()
162       if (sig == SIGABRT_COMPAT)  in sigdelset()
163         sig = SIGABRT;  in sigdelset()
166       *set &= ~(1U << sig);  in sigdelset()
192 blocked_handler (int sig)  in blocked_handler()  argument
199   signal (sig, blocked_handler);  in blocked_handler()
200   if (sig >= 0 && sig < NSIG)  in blocked_handler()
201     pending_array[sig] = 1;  in blocked_handler()
208   int sig;  in sigpending()  local
210   for (sig = 0; sig < NSIG; sig++)  in sigpending()
211     if (pending_array[sig])  in sigpending()
212       pending |= 1U << sig;  in sigpending()
253           int sig;  in sigprocmask()  local
255           for (sig = 0; sig < NSIG; sig++)  in sigprocmask()
256             if ((to_block >> sig) & 1)  in sigprocmask()
258                 pending_array[sig] = 0;  in sigprocmask()
259                 if ((old_handlers[sig] = signal (sig, blocked_handler)) != SIG_ERR)  in sigprocmask()
260                   blocked_set |= 1U << sig;  in sigprocmask()
267           int sig;  in sigprocmask()  local
269           for (sig = 0; sig < NSIG; sig++)  in sigprocmask()
270             if ((to_unblock >> sig) & 1)  in sigprocmask()
272                 if (signal (sig, old_handlers[sig]) != blocked_handler)  in sigprocmask()
277                 received[sig] = pending_array[sig];  in sigprocmask()
278                 blocked_set &= ~(1U << sig);  in sigprocmask()
279                 pending_array[sig] = 0;  in sigprocmask()
282               received[sig] = 0;  in sigprocmask()
284           for (sig = 0; sig < NSIG; sig++)  in sigprocmask()
285             if (received[sig])  in sigprocmask()
286               raise (sig);  in sigprocmask()
295 rpl_signal (int sig, handler_t handler)  in rpl_signal()  argument
299   if (sig >= 0 && sig < NSIG && sig != SIGKILL && sig != SIGSTOP  in rpl_signal()
303       if (sig == SIGABRT_COMPAT)  in rpl_signal()
304         sig = SIGABRT;  in rpl_signal()
307       if (blocked_set & (1U << sig))  in rpl_signal()
318           handler_t result = old_handlers[sig];  in rpl_signal()
319           old_handlers[sig] = handler;  in rpl_signal()
323         return signal (sig, handler);  in rpl_signal()