Fix network connect poll interuption handling

Author: bukka

main/network.c

@@ -351,25 +351,29 @@ PHPAPI int php_network_connect_socket(php_socket_t sockfd,
 	 * expected when a connection is actively refused. This way,
 	 * php_pollfd_for will return a mask with POLLOUT if the connection
 	 * is successful and with POLLPRI otherwise. */
-	if ((n = php_pollfd_for(sockfd, POLLOUT|POLLPRI, timeout)) == 0) {
+	int events = POLLOUT|POLLPRI;
 #else
-	if ((n = php_pollfd_for(sockfd, PHP_POLLREADABLE|POLLOUT, timeout)) == 0) {
+	int events = PHP_POLLREADABLE|POLLOUT;
 #endif
-		error = PHP_TIMEOUT_ERROR_VALUE;
-	}
 
-	if (n > 0) {
-		len = sizeof(error);
-		/*
-		   BSD-derived systems set errno correctly
-		   Solaris returns -1 from getsockopt in case of error
-		   */
-		if (getsockopt(sockfd, SOL_SOCKET, SO_ERROR, (char*)&error, &len) != 0) {
+	while (true) {
+		n = php_pollfd_for(sockfd, events, timeout);
+		if (n < 0) {
+			if (errno == EINTR) {
+				continue;
+			}
 			ret = -1;
+		} else if (n == 0) {
+			error = PHP_TIMEOUT_ERROR_VALUE;
+		} else {
+			len = sizeof(error);
+			/* BSD-derived systems set errno correctly.
+			 * Solaris returns -1 from getsockopt in case of error. */
+			if (getsockopt(sockfd, SOL_SOCKET, SO_ERROR, (char*)&error, &len) != 0) {
+				ret = -1;
+			}
 		}
-	} else {
-		/* whoops: sockfd has disappeared */
-		ret = -1;
+		break;
 	}
 
 ok: