From 9dedf72e7123d028f10dccbb7c5678868e68eb0b Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Tue, 1 Apr 2008 16:12:17 +0000
Subject: script: do not ignore poll() errors. ~+20 bytes.

---
 util-linux/script.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/util-linux/script.c b/util-linux/script.c
index 700f0cb0a..5d6f4d924 100644
--- a/util-linux/script.c
+++ b/util-linux/script.c
@@ -115,7 +115,11 @@ int script_main(int argc ATTRIBUTE_UNUSED, char **argv)
 		/* TODO: don't use full_write's, use proper write buffering */
 		while (fd_count) {
 			/* not safe_poll! we want SIGCHLD to EINTR poll */
-			poll(ppfd, fd_count, -1);
+			if (poll(ppfd, fd_count, -1) < 0 && errno != EINTR) {
+				/* If child exits too quickly, we may get EIO:
+				 * for example, try "script -c true" */
+				break;
+			}
 			if (pfd[0].revents) {
 				count = safe_read(0, buf, sizeof(buf));
 				if (count <= 0) {
-- 
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