From ab99ca723136dfbd689154bd179bf91e749ceaa9 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <cras@irssi.org>
Date: Sat, 3 Nov 2001 13:12:15 +0000
Subject: [PATCH] Quit if terminal gets lost.

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1960 dbcabf3a-b0e7-0310-adc4-f8d773084564
---
 src/fe-text/gui-readline.c  |  6 ++++++
 src/fe-text/term-terminfo.c | 10 +++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/fe-text/gui-readline.c b/src/fe-text/gui-readline.c
index 61523d9d..ac166f2d 100644
--- a/src/fe-text/gui-readline.c
+++ b/src/fe-text/gui-readline.c
@@ -331,6 +331,12 @@ void readline(void)
 	int ret, i;
 
 	ret = term_gets(buffer, sizeof(buffer));
+	if (ret == -1) {
+		/* lost terminal */
+		signal_emit("command quit", 1, "Lost terminal");
+                return;
+	}
+
 	for (i = 0; i < ret; i++)
 		handle_key(buffer[i]);
 }
diff --git a/src/fe-text/term-terminfo.c b/src/fe-text/term-terminfo.c
index 85ac193b..88296131 100644
--- a/src/fe-text/term-terminfo.c
+++ b/src/fe-text/term-terminfo.c
@@ -328,6 +328,14 @@ void term_stop(void)
 
 int term_gets(unsigned char *buffer, int size)
 {
+	int ret;
+
         /* fread() doesn't work */
-        return read(fileno(current_term->in), buffer, size);
+        ret = read(fileno(current_term->in), buffer, size);
+	if (ret == 0)
+                ret = -1;/* EOF - terminal got lost */
+	else if (ret == -1 && (errno == EINTR || errno == EAGAIN))
+		ret = 0;
+
+	return ret;
 }