Fixed bug #47477 (php_curl_stream_read() unnecessarily sleeps 15 secs under

ext/curl/streams.c

@@ -169,7 +169,8 @@ static size_t php_curl_stream_read(php_stream *stream, char *buf, size_t count T
 			tv.tv_sec = 15; /* TODO: allow this to be configured from the script */
 
 			/* wait for data */
-			switch (select(curlstream->maxfd + 1, &curlstream->readfds, &curlstream->writefds, &curlstream->excfds, &tv)) {
+			switch ((curlstream->maxfd < 0) ? 1 : 
+					select(curlstream->maxfd + 1, &curlstream->readfds, &curlstream->writefds, &curlstream->excfds, &tv)) {
 				case -1:
 					/* error */
 					return 0;
@@ -182,7 +183,8 @@ static size_t php_curl_stream_read(php_stream *stream, char *buf, size_t count T
 						curlstream->mcode = curl_multi_perform(curlstream->multi, &curlstream->pending);
 					} while (curlstream->mcode == CURLM_CALL_MULTI_PERFORM);
 			}
-		} while (curlstream->readbuffer.readpos >= curlstream->readbuffer.writepos && curlstream->pending > 0);
+		} while (curlstream->maxfd >= 0 &&
+				curlstream->readbuffer.readpos >= curlstream->readbuffer.writepos && curlstream->pending > 0);
 
 	}