From ba2b5321c58c1a7420c7d9d31c1226584537bcaa Mon Sep 17 00:00:00 2001
From: tjg <tjg>
Date: Thu, 25 May 2000 14:31:27 +0000
Subject:   Portability: need special runes for read() returning EIO under job 
  control systems.

---
 input.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'input.c')

diff --git a/input.c b/input.c
index f59f29e..0f649e4 100644
--- a/input.c
+++ b/input.c
@@ -117,10 +117,18 @@ static int fdgchar() {
 				do {
 					r = rc_read(istack->fd, inbuf + 2, BUFSIZE);
 					sigchk();
-					if (errno == EAGAIN) {
+					switch (errno) {
+					case EAGAIN:
 						if (!makeblocking(istack->fd))
 							panic("not O_NONBLOCK");
 						errno = EINTR;
+						break;
+					case EIO:
+						if (makesamepgrp(istack->fd))
+							errno = EINTR;
+						else
+							errno = EIO;
+						break;
 					}
 				} while (r < 0 && errno == EINTR);
 				if (r < 0) {
-- 
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