*
* Copyright (C) 2008 by <u173034@informatik.uni-oldenburg.de>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//usage:#define ionice_trivial_usage
+//usage: "[-c 1-3] [-n 0-7] [-p PID] [PROG]"
+//usage:#define ionice_full_usage "\n\n"
+//usage: "Change I/O priority and class\n"
+//usage: "\n -c Class. 1:realtime 2:best-effort 3:idle"
+//usage: "\n -n Priority"
+
#include <sys/syscall.h>
#include <asm/unistd.h>
#include "libbb.h"
/* '+': stop at first non-option */
opt = getopt32(argv, "+n:c:p:", &pri, &ioclass, &pid);
argv += optind;
-
+
if (opt & OPT_c) {
if (ioclass > 3)
bb_error_msg_and_die("bad class %d", ioclass);
// pri = 7;
// }
}
-
+
if (!(opt & (OPT_n|OPT_c))) {
if (!(opt & OPT_p) && *argv)
- pid = xatoi_u(*argv);
+ pid = xatoi_positive(*argv);
pri = ioprio_get(IOPRIO_WHO_PROCESS, pid);
if (pri == -1)
pri |= (ioclass << IOPRIO_CLASS_SHIFT);
if (ioprio_set(IOPRIO_WHO_PROCESS, pid, pri) == -1)
bb_perror_msg_and_die("ioprio_%cet", 's');
- if (*argv) {
- BB_EXECVP(*argv, argv);
- bb_simple_perror_msg_and_die(*argv);
+ if (argv[0]) {
+ BB_EXECVP_or_die(argv);
}
}