From b367bb2a620d3c349b0a61b949a6ebca32bf5395 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 15 May 2010 20:43:07 +0200 Subject: cttyhack: document the need to setsid function old new delta packed_usage 26988 27057 +69 Signed-off-by: Denys Vlasenko --- include/usage.h | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/usage.h b/include/usage.h index 9d9ad008b..be52f187f 100644 --- a/include/usage.h +++ b/include/usage.h @@ -649,8 +649,16 @@ "\n -S SALT" \ ) \ -#define cttyhack_trivial_usage NOUSAGE_STR -#define cttyhack_full_usage "" +#define cttyhack_trivial_usage \ + "PROG ARGS" +#define cttyhack_full_usage "\n\n" \ + "Give PROG a controlling tty if possible." \ + "\nExample for /etc/inittab (for busybox init):" \ + "\n ::respawn:/bin/cttyhack /bin/sh" \ + "\nGiving controlling tty to shell running with PID 1:" \ + "\n $ exec cttyhack sh" \ + "\nStarting an interative shell from boot shell script:" \ + "\n setsid cttyhack sh" \ #define cut_trivial_usage \ "[OPTIONS] [FILE]..." -- cgit v1.2.3