From 451dbcfae1406f526208faf6033d6dcc8ac100da Mon Sep 17 00:00:00 2001 From: Benno Schulenberg Date: Mon, 22 Dec 2014 22:57:17 +0100 Subject: textual: add a docstring to most of the utilities This adds a concise description of a tool to its usage text. A first form of this patch was proposed by Steven Honeyman (see http://www.spinics.net/lists/util-linux-ng/msg09994.html). Signed-off-by: Benno Schulenberg --- schedutils/ionice.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'schedutils/ionice.c') diff --git a/schedutils/ionice.c b/schedutils/ionice.c index fa43e4874..fb5d04a8b 100644 --- a/schedutils/ionice.c +++ b/schedutils/ionice.c @@ -108,6 +108,9 @@ static void __attribute__ ((__noreturn__)) usage(FILE * out) " %1$s [options] -u ...\n" " %1$s [options] \n"), program_invocation_short_name); + fputs(USAGE_SEPARATOR, out); + fputs(_("Show or change the I/O-scheduling class and priority of a process.\n"), out); + fputs(USAGE_OPTIONS, out); fputs(_(" -c, --class name or number of scheduling class,\n" " 0: none, 1: realtime, 2: best-effort, 3: idle\n"), out); -- cgit v1.2.3-55-g7522