57 # define zend_sigprocmask(signo, set, oldset) tsrm_sigmask((signo), (set), (oldset))  argument
59 # define zend_sigprocmask(signo, set, oldset) sigprocmask((signo), (set), (oldset))  argument
62 static void zend_signal_handler(int signo, siginfo_t *siginfo, void *context);
63 static int zend_signal_register(int signo, void (*handler)(int, siginfo_t*, void*));
82 void zend_signal_handler_defer(int signo, siginfo_t *siginfo, void *context)  in zend_signal_handler_defer()  argument
91 		zend_signal_handler(signo, siginfo, context);  in zend_signal_handler_defer()
103 				zend_signal_handler(signo, siginfo, context);  in zend_signal_handler_defer()
109 …zend_signal_handler(queue->zend_signal.signo, queue->zend_signal.siginfo, queue->zend_signal.conte…  in zend_signal_handler_defer()
112 					queue->zend_signal.signo = 0;  in zend_signal_handler_defer()
123 				queue->zend_signal.signo = signo;  in zend_signal_handler_defer()
137 				zend_output_debug_string(0, "zend_signal: not enough queue storage, lost signal (%d)", signo);  in zend_signal_handler_defer()
143 		zend_signal_handler(signo, siginfo, context);  in zend_signal_handler_defer()
162 		queue->zend_signal.signo = 0;  in zend_signal_handler_unblock()
165 		zend_signal_handler_defer(zend_signal.signo, zend_signal.siginfo, zend_signal.context);  in zend_signal_handler_unblock()
174 static void zend_signal_handler(int signo, siginfo_t *siginfo, void *context)  in zend_signal_handler()  argument
186 	p_sig = SIGG(handlers)[signo-1];  in zend_signal_handler()
189 		if (sigaction(signo, NULL, &sa) == 0) {  in zend_signal_handler()
194 			sigaddset(&sigset, signo);  in zend_signal_handler()
196 			if (sigaction(signo, &sa, NULL) == 0) {  in zend_signal_handler()
201 				if (raise(signo) != 0) {  in zend_signal_handler()
203 					kill(getpid(), signo);  in zend_signal_handler()
206 				kill(getpid(), signo);  in zend_signal_handler()
213 				SIGG(handlers)[signo-1].flags   = 0;  in zend_signal_handler()
214 				SIGG(handlers)[signo-1].handler = SIG_DFL;  in zend_signal_handler()
216 			(*(void (*)(int, siginfo_t*, void*))p_sig.handler)(signo, siginfo, context);  in zend_signal_handler()
218 			(*(void (*)(int))p_sig.handler)(signo);  in zend_signal_handler()
227 ZEND_API void zend_sigaction(int signo, const struct sigaction *act, struct sigaction *oldact)  in zend_sigaction()  argument
233 		oldact->sa_flags   = SIGG(handlers)[signo-1].flags;  in zend_sigaction()
234 		oldact->sa_handler = (void *) SIGG(handlers)[signo-1].handler;  in zend_sigaction()
238 		SIGG(handlers)[signo-1].flags = act->sa_flags;  in zend_sigaction()
240 			SIGG(handlers)[signo-1].handler = (void *) act->sa_sigaction;  in zend_sigaction()
242 			SIGG(handlers)[signo-1].handler = (void *) act->sa_handler;  in zend_sigaction()
246 		if (SIGG(handlers)[signo-1].handler == (void *) SIG_IGN) {  in zend_sigaction()
254 		if (sigaction(signo, &sa, NULL) < 0) {  in zend_sigaction()
255 			zend_error_noreturn(E_ERROR, "Error installing signal handler for %d", signo);  in zend_sigaction()
260 		sigaddset(&sigset, signo);  in zend_sigaction()
268 ZEND_API void zend_signal(int signo, void (*handler)(int))  in zend_signal()  argument
277 	zend_sigaction(signo, &sa, NULL);  in zend_signal()
285 static zend_result zend_signal_register(int signo, void (*handler)(int, siginfo_t*, void*))  in zend_signal_register()  argument
289 	if (sigaction(signo, NULL, &sa) == 0) {  in zend_signal_register()
294 		SIGG(handlers)[signo-1].flags = sa.sa_flags;  in zend_signal_register()
296 			SIGG(handlers)[signo-1].handler = (void *)sa.sa_sigaction;  in zend_signal_register()
298 			SIGG(handlers)[signo-1].handler = (void *)sa.sa_handler;  in zend_signal_register()
305 		if (sigaction(signo, &sa, NULL) < 0) {  in zend_signal_register()
306 			zend_error_noreturn(E_ERROR, "Error installing signal handler for %d", signo);  in zend_signal_register()
380 		queue->zend_signal.signo = 0;  in zend_signal_globals_ctor()
389 	int signo;  in zend_signal_init()  local
394 	for (signo = 1; signo < NSIG; ++signo) {  in zend_signal_init()
395 		if (sigaction(signo, NULL, &sa) == 0) {  in zend_signal_init()
396 			global_orig_handlers[signo-1].flags = sa.sa_flags;  in zend_signal_init()
398 				global_orig_handlers[signo-1].handler = (void *) sa.sa_sigaction;  in zend_signal_init()
400 				global_orig_handlers[signo-1].handler = (void *) sa.sa_handler;  in zend_signal_init()