From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Mon, 27 Jul 2015 17:00:45 +0000 (-0400)
Subject: lib/file: revamp `poll_in` to use in `FileReader`
X-Git-Tag: v0.7.7~4^2~2
X-Git-Url: http://nitlanguage.org

lib/file: revamp `poll_in` to use in `FileReader`

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/lib/standard/file.nit b/lib/standard/file.nit
index 849b4e7..e5fc85b 100644
--- a/lib/standard/file.nit
+++ b/lib/standard/file.nit
@@ -176,6 +176,20 @@ class FileReader
 			end_reached = true
 		end
 	end
+
+	redef fun poll_in
+	do
+		var res = native_poll_in(fd)
+		if res == -1 then
+			last_error = new IOError(errno.to_s)
+			return false
+		else return res > 0
+	end
+
+	private fun native_poll_in(fd: Int): Int `{
+		struct pollfd fds = {fd, POLLIN, 0};
+		return poll(&fds, 1, 0);
+	`}
 end
 
 # `Stream` that can write to a File
@@ -305,16 +319,6 @@ class Stdin
 		path = "/dev/stdin"
 		prepare_buffer(1)
 	end
-
-	redef fun poll_in `{
-		struct pollfd fd = {0, POLLIN, 0};
-		int res = poll(&fd, 1, 0);
-		if (res == -1) {
-			perror("Error poll stdin");
-			exit(EXIT_FAILURE);
-		}
-		return res > 0;
-	`}
 end
 
 # Standard output stream.