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authorDenys Vlasenko <vda.linux@googlemail.com>2017-04-12 13:58:40 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2017-04-12 13:58:40 +0200
commit783d57af7bb2b851c16cf87df848e0365e5052da (patch)
tree71bb23e51b9cb40eac4a6fb831383134c1fc45a0 /miscutils/ionice.c
parentac47a00e2ec398b04c3141cd3434a6e4b95740b1 (diff)
downloadbusybox-783d57af7bb2b851c16cf87df848e0365e5052da.tar.gz
Sort some miscutils/ applets into coreutils or util-linux
No code changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/ionice.c')
-rw-r--r--miscutils/ionice.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/miscutils/ionice.c b/miscutils/ionice.c
deleted file mode 100644
index c54b3a6e1..000000000
--- a/miscutils/ionice.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * ionice implementation for busybox based on linux-utils-ng 2.14
- *
- * Copyright (C) 2008 by <u173034@informatik.uni-oldenburg.de>
- *
- * Licensed under GPLv2 or later, see file LICENSE in this source tree.
- */
-//config:config IONICE
-//config: bool "ionice"
-//config: default y
-//config: select PLATFORM_LINUX
-//config: help
-//config: Set/set program io scheduling class and priority
-//config: Requires kernel >= 2.6.13
-
-//applet:IF_IONICE(APPLET(ionice, BB_DIR_BIN, BB_SUID_DROP))
-
-//kbuild:lib-$(CONFIG_IONICE) += ionice.o
-
-//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"
-
-static int ioprio_set(int which, int who, int ioprio)
-{
- return syscall(SYS_ioprio_set, which, who, ioprio);
-}
-
-static int ioprio_get(int which, int who)
-{
- return syscall(SYS_ioprio_get, which, who);
-}
-
-enum {
- IOPRIO_WHO_PROCESS = 1,
- IOPRIO_WHO_PGRP,
- IOPRIO_WHO_USER
-};
-
-enum {
- IOPRIO_CLASS_NONE,
- IOPRIO_CLASS_RT,
- IOPRIO_CLASS_BE,
- IOPRIO_CLASS_IDLE
-};
-
-static const char to_prio[] ALIGN1 = "none\0realtime\0best-effort\0idle";
-
-#define IOPRIO_CLASS_SHIFT 13
-
-int ionice_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int ionice_main(int argc UNUSED_PARAM, char **argv)
-{
- /* Defaults */
- int ioclass = 0;
- int pri = 0;
- int pid = 0; /* affect own porcess */
- int opt;
- enum {
- OPT_n = 1,
- OPT_c = 2,
- OPT_p = 4,
- };
-
- /* Numeric params */
- /* '+': 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);
-// Do we need this (compat?)?
-// if (ioclass == IOPRIO_CLASS_NONE)
-// ioclass = IOPRIO_CLASS_BE;
-// if (ioclass == IOPRIO_CLASS_IDLE) {
-// //if (opt & OPT_n)
-// // bb_error_msg("ignoring priority for idle class");
-// pri = 7;
-// }
- }
-
- if (!(opt & (OPT_n|OPT_c))) {
- if (!(opt & OPT_p) && *argv)
- pid = xatoi_positive(*argv);
-
- pri = ioprio_get(IOPRIO_WHO_PROCESS, pid);
- if (pri == -1)
- bb_perror_msg_and_die("ioprio_%cet", 'g');
-
- ioclass = (pri >> IOPRIO_CLASS_SHIFT) & 0x3;
- pri &= 0xff;
- printf((ioclass == IOPRIO_CLASS_IDLE) ? "%s\n" : "%s: prio %d\n",
- nth_string(to_prio, ioclass), pri);
- } else {
-//printf("pri=%d class=%d val=%x\n",
-//pri, ioclass, pri | (ioclass << IOPRIO_CLASS_SHIFT));
- pri |= (ioclass << IOPRIO_CLASS_SHIFT);
- if (ioprio_set(IOPRIO_WHO_PROCESS, pid, pri) == -1)
- bb_perror_msg_and_die("ioprio_%cet", 's');
- if (argv[0]) {
- BB_EXECVP_or_die(argv);
- }
- }
-
- return EXIT_SUCCESS;
-}