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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2010-12-19 04:07:50 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-12-19 04:07:50 +0100 |
| commit | 1393fc116109ba96034470a926933e1bcd518470 (patch) | |
| tree | aa509570f1581e694e528d2f069fbf5eb2df3f7d | |
| parent | 96c8a6b5eade530f28ef73f72f7d188f71bbb1ec (diff) | |
chrt: -m can be used without any arguments. Closes bug 2989
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | miscutils/chrt.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/miscutils/chrt.c b/miscutils/chrt.c index 4477d084c..1c6737a3c 100644 --- a/miscutils/chrt.c +++ b/miscutils/chrt.c @@ -53,23 +53,25 @@ int chrt_main(int argc UNUSED_PARAM, char **argv) const char *current_new; int policy = SCHED_RR; - /* at least 1 arg; only one policy accepted */ - opt_complementary = "-1:r--fo:f--ro:o--rf"; + /* only one policy accepted */ + opt_complementary = "r--fo:f--ro:o--rf"; opt = getopt32(argv, "+mprfo"); + if (opt & OPT_m) { /* print min/max and exit */ + show_min_max(SCHED_FIFO); + show_min_max(SCHED_RR); + show_min_max(SCHED_OTHER); + fflush_stdout_and_exit(EXIT_SUCCESS); + } if (opt & OPT_r) policy = SCHED_RR; if (opt & OPT_f) policy = SCHED_FIFO; if (opt & OPT_o) policy = SCHED_OTHER; - if (opt & OPT_m) { /* print min/max */ - show_min_max(SCHED_FIFO); - show_min_max(SCHED_RR); - show_min_max(SCHED_OTHER); - fflush_stdout_and_exit(EXIT_SUCCESS); - } argv += optind; + if (!argv[0]) + bb_show_usage(); if (opt & OPT_p) { pid_str = *argv++; if (*argv) { /* "-p <priority> <pid> [...]" */ |