From: Eric Andersen <andersen@codepoet.org>
Date: Wed, 3 Oct 2001 22:10:02 +0000 (-0000)
Subject: Fix lash behavior on serial consoles
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=41a82698c313e26aeb43cd57f459ee627319426f;p=oweals%2Fbusybox.git

Fix lash behavior on serial consoles
---

diff --git a/busybox/lash.c b/busybox/lash.c
index 22e3c779e..b3f7cb6a8 100644
--- a/busybox/lash.c
+++ b/busybox/lash.c
@@ -1524,9 +1524,15 @@ void free_memory(void)
  * we don't fight over who gets the foreground */
 static void setup_job_control()
 {
+	int status;
+	
 	/* Loop until we are in the foreground.  */
-	while (tcgetpgrp (shell_terminal) != (shell_pgrp = getpgrp ()))
+	while ((status = tcgetpgrp (shell_terminal)) >= 0) {
+		if (status == (shell_pgrp = getpgrp ())) {
+			break;
+		}
 		kill (- shell_pgrp, SIGTTIN);
+	}
 
 	/* Ignore interactive and job-control signals.  */
 	signal(SIGINT, SIG_IGN);
diff --git a/busybox/shell/lash.c b/busybox/shell/lash.c
index 22e3c779e..b3f7cb6a8 100644
--- a/busybox/shell/lash.c
+++ b/busybox/shell/lash.c
@@ -1524,9 +1524,15 @@ void free_memory(void)
  * we don't fight over who gets the foreground */
 static void setup_job_control()
 {
+	int status;
+	
 	/* Loop until we are in the foreground.  */
-	while (tcgetpgrp (shell_terminal) != (shell_pgrp = getpgrp ()))
+	while ((status = tcgetpgrp (shell_terminal)) >= 0) {
+		if (status == (shell_pgrp = getpgrp ())) {
+			break;
+		}
 		kill (- shell_pgrp, SIGTTIN);
+	}
 
 	/* Ignore interactive and job-control signals.  */
 	signal(SIGINT, SIG_IGN);