Fixed bug #35062 (socket_read() produces warnings on non blocking sockets).

Author: Ilia Alshanetsky

NEWS

@@ -52,6 +52,8 @@ PHP                                                                        NEWS
 - Fixed bug #35381 (ssl library is not initialized properly). (Alan)
 - Fixed bug #35373 (HP-UX "alias not allowed in this configuration"). (Dmitry)
 - Fixed bug #35103 (mysqli handles bad unsigned (big)int incorrectly).(Andrey)
+- Fixed bug #35062 (socket_read() produces warnings on non blocking sockets).
+  (Nuno, Ilia)
 - Fixed bug #35028 (SimpleXML object fails FALSE test). (Marcus)
 
 28 Nov 2005, PHP 5.1.1

ext/sockets/sockets.c

@@ -861,7 +861,19 @@ PHP_FUNCTION(socket_read)
 	}
 
 	if (retval == -1) {
-		PHP_SOCKET_ERROR(php_sock, "unable to read from socket", errno);
+		/* if the socket is in non-blocking mode and there's no data to read,
+		don't output any error, as this is a normal situation, and not an error */
+		if (errno == EAGAIN
+#ifdef EWOULDBLOCK
+		|| errno == EWOULDBLOCK
+#endif
+		) {
+			php_sock->error = errno;
+			SOCKETS_G(last_error) = errno;
+		} else {
+			PHP_SOCKET_ERROR(php_sock, "unable to read from socket", errno);
+		}
+
 		efree(tmpbuf);
 		RETURN_FALSE;
 	}