59 # define zend_sigprocmask(signo, set, oldset) tsrm_sigmask((signo), (set), (oldset))  argument
61 # define zend_sigprocmask(signo, set, oldset) sigprocmask((signo), (set), (oldset))  argument
64 static void zend_signal_handler(int signo, siginfo_t *siginfo, void *context);
65 static int zend_signal_register(int signo, void (*handler)(int, siginfo_t*, void*));
83 void zend_signal_handler_defer(int signo, siginfo_t *siginfo, void *context)  in zend_signal_handler_defer()  argument
104 				zend_signal_handler(signo, siginfo, context);  in zend_signal_handler_defer()
110 …zend_signal_handler(queue->zend_signal.signo, queue->zend_signal.siginfo, queue->zend_signal.conte…  in zend_signal_handler_defer()
113 					queue->zend_signal.signo = 0;  in zend_signal_handler_defer()
124 				queue->zend_signal.signo = signo;  in zend_signal_handler_defer()
138 				zend_output_debug_string(0, "zend_signal: not enough queue storage, lost signal (%d)", signo);  in zend_signal_handler_defer()
144 		zend_signal_handler(signo, siginfo, context);  in zend_signal_handler_defer()
163 		queue->zend_signal.signo = 0;  in zend_signal_handler_unblock()
166 		zend_signal_handler_defer(zend_signal.signo, zend_signal.siginfo, zend_signal.context);  in zend_signal_handler_unblock()
175 static void zend_signal_handler(int signo, siginfo_t *siginfo, void *context)  in zend_signal_handler()  argument
187 	p_sig = SIGG(handlers)[signo-1];  in zend_signal_handler()
190 		if (sigaction(signo, NULL, &sa) == 0) {  in zend_signal_handler()
195 			sigaddset(&sigset, signo);  in zend_signal_handler()
197 			if (sigaction(signo, &sa, NULL) == 0) {  in zend_signal_handler()
202 				if (raise(signo) != 0) {  in zend_signal_handler()
204 					kill(getpid(), signo);  in zend_signal_handler()
207 				kill(getpid(), signo);  in zend_signal_handler()
214 				SIGG(handlers)[signo-1].flags   = 0;  in zend_signal_handler()
215 				SIGG(handlers)[signo-1].handler = SIG_DFL;  in zend_signal_handler()
217 			(*(void (*)(int, siginfo_t*, void*))p_sig.handler)(signo, siginfo, context);  in zend_signal_handler()
219 			(*(void (*)(int))p_sig.handler)(signo);  in zend_signal_handler()
228 ZEND_API int zend_sigaction(int signo, const struct sigaction *act, struct sigaction *oldact)  in zend_sigaction()  argument
234 		oldact->sa_flags   = SIGG(handlers)[signo-1].flags;  in zend_sigaction()
235 		oldact->sa_handler = (void *) SIGG(handlers)[signo-1].handler;  in zend_sigaction()
239 		SIGG(handlers)[signo-1].flags = act->sa_flags;  in zend_sigaction()
241 			SIGG(handlers)[signo-1].handler = (void *) act->sa_sigaction;  in zend_sigaction()
243 			SIGG(handlers)[signo-1].handler = (void *) act->sa_handler;  in zend_sigaction()
247 		if (SIGG(handlers)[signo-1].handler == (void *) SIG_IGN) {  in zend_sigaction()
255 		if (sigaction(signo, &sa, NULL) < 0) {  in zend_sigaction()
256 			zend_error_noreturn(E_ERROR, "Error installing signal handler for %d", signo);  in zend_sigaction()
261 		sigaddset(&sigset, signo);  in zend_sigaction()
271 ZEND_API int zend_signal(int signo, void (*handler)(int))  in zend_signal()  argument
280 	return zend_sigaction(signo, &sa, NULL);  in zend_signal()
288 static int zend_signal_register(int signo, void (*handler)(int, siginfo_t*, void*))  in zend_signal_register()  argument
292 	if (sigaction(signo, NULL, &sa) == 0) {  in zend_signal_register()
297 		SIGG(handlers)[signo-1].flags = sa.sa_flags;  in zend_signal_register()
299 			SIGG(handlers)[signo-1].handler = (void *)sa.sa_sigaction;  in zend_signal_register()
301 			SIGG(handlers)[signo-1].handler = (void *)sa.sa_handler;  in zend_signal_register()
308 		if (sigaction(signo, &sa, NULL) < 0) {  in zend_signal_register()
309 			zend_error_noreturn(E_ERROR, "Error installing signal handler for %d", signo);  in zend_signal_register()
382 		queue->zend_signal.signo = 0;  in zend_signal_globals_ctor()
391 	int signo;  in zend_signal_init()  local
396 	for (signo = 1; signo < NSIG; ++signo) {  in zend_signal_init()
397 		if (sigaction(signo, NULL, &sa) == 0) {  in zend_signal_init()
398 			global_orig_handlers[signo-1].flags = sa.sa_flags;  in zend_signal_init()
400 				global_orig_handlers[signo-1].handler = (void *) sa.sa_sigaction;  in zend_signal_init()
402 				global_orig_handlers[signo-1].handler = (void *) sa.sa_handler;  in zend_signal_init()