From: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date: Mon, 3 May 2010 18:24:26 +0000 (+0000)
Subject: ionice: non-cryptic error message when ionice can't execvp
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=048b81c9ffd2554900523ff55718ab8914176f77;p=util-linux

ionice: non-cryptic error message when ionice can't execvp

Previously ionice would reply like this when it couldn't find the
command to execute:

    $ ionice -c 3 does-not-exist
    ionice: execvp failed: No such file or directory

Getting that message from cron because you haven't set the right $PATH
makes it hard to track down the problem. Now it says:

    $ ionice -c 3 does-not-exist
    ionice: executing does-not-exist failed: No such file or directory

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---

diff --git a/schedutils/ionice.c b/schedutils/ionice.c
index a57cf7f2..3ad4ef9a 100644
--- a/schedutils/ionice.c
+++ b/schedutils/ionice.c
@@ -184,7 +184,7 @@ int main(int argc, char *argv[])
 			ioprio_setpid(0, ioprio, ioclass);
 			execvp(argv[optind], &argv[optind]);
 			/* execvp should never return */
-			err(EXIT_FAILURE, _("execvp failed"));
+			err(EXIT_FAILURE, _("executing %s failed"), argv[optind]);
 		}
 	}