util-linux-ng/util-linux-ng-2.13-script-SIGWINCH.patch
kzak b8fb97d6ac - fix mount -L | -U segfault
- fix script die on SIGWINCH
2007-10-16 20:24:23 +00:00

59 lines
1.4 KiB
Diff

From 1b1ff2d6edd2db321926f7243004937cb26f9f15 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Fri, 5 Oct 2007 12:22:13 +0200
Subject: [PATCH] script: dies on SIGWINCH
The "doinput" process doesn't make a difference between SIGWINCH and
SIGCHILD. This process also sends unnecessary SIGWINCH to child (the
signal is ignored by child). Fixed.
Signed-off-by: Karel Zak <kzak@redhat.com>
---
misc-utils/script.c | 14 ++++++++++----
1 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/misc-utils/script.c b/misc-utils/script.c
index d3272df..3b957d8 100644
--- a/misc-utils/script.c
+++ b/misc-utils/script.c
@@ -99,6 +99,7 @@ int tflg = 0;
static char *progname;
int die;
+int resized;
static void
die_if_link(char *fn) {
@@ -235,8 +236,14 @@ doinput() {
if (die == 0 && child && kill(child, 0) == -1 && errno == ESRCH)
die = 1;
- while (die == 0 && (cc = read(0, ibuf, BUFSIZ)) > 0)
- (void) write(master, ibuf, cc);
+ while (die == 0) {
+ if ((cc = read(0, ibuf, BUFSIZ)) > 0)
+ (void) write(master, ibuf, cc);
+ else if (cc == -1 && errno == EINTR && resized)
+ resized = 0;
+ else
+ break;
+ }
done();
}
@@ -255,11 +262,10 @@ finish(int dummy) {
void
resize(int dummy) {
+ resized = 1;
/* transmit window change information to the child */
(void) ioctl(0, TIOCGWINSZ, (char *)&win);
(void) ioctl(slave, TIOCSWINSZ, (char *)&win);
-
- kill(child, SIGWINCH);
}
/*
--
1.5.3.1