diff options
| author | Eric Andersen | 2001-10-03 11:23:42 +0000 |
|---|---|---|
| committer | Eric Andersen | 2001-10-03 11:23:42 +0000 |
| commit | f0a4ac82166dbaedeae1d5f92821b700fc8fa17f (patch) | |
| tree | a7a2cc60c67966f5a69d6a94ccb5900d4bc9ae80 | |
| parent | 35636540ea96c11a4cd58e733279a8daea9b8dee (diff) | |
| download | busybox-f0a4ac82166dbaedeae1d5f92821b700fc8fa17f.zip busybox-f0a4ac82166dbaedeae1d5f92821b700fc8fa17f.tar.gz | |
Patch from Magnus Damm <damm@opensource.se> to avoid lash hanging
on serial ports
| -rw-r--r-- | lash.c | 8 | ||||
| -rw-r--r-- | shell/lash.c | 8 |
2 files changed, 14 insertions, 2 deletions
@@ -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/shell/lash.c b/shell/lash.c index 22e3c77..b3f7cb6 100644 --- a/shell/lash.c +++ b/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); |