Revert taskset for 1.2.0. It emits a warning, breaks building under RH9,
and nobody seemed interested in fixing it despite repeated complaints. I'll worry about it in the 1.3 timeframe...
This commit is contained in:
Rob Landley
parent
5df6d9f777
commit
12d9419273
@ -262,7 +262,6 @@ USE_BB_SYSCTL(APPLET(sysctl, _BB_DIR_SBIN, _BB_SUID_NEVER))
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USE_SYSLOGD(APPLET(syslogd, _BB_DIR_SBIN, _BB_SUID_NEVER))
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USE_TAIL(APPLET(tail, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_TAR(APPLET(tar, _BB_DIR_BIN, _BB_SUID_NEVER))
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USE_TASKSET(APPLET(taskset, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_TEE(APPLET(tee, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_TELNET(APPLET(telnet, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_TELNETD(APPLET(telnetd, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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@ -2967,23 +2967,6 @@ USE_FEATURE_START_STOP_DAEMON_FANCY( \
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"$ zcat /tmp/tarball.tar.gz | tar -xf -\n" \
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"$ tar -cf /tmp/tarball.tar /usr/local\n"
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#define taskset_trivial_usage \
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"[OPTIONS] [mask] [pid | command [arg]...]"
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#define taskset_full_usage \
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"Set or get CPU affinity.\n\n" \
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"Options:\n" \
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"\t-p\toperate on an existing PID"
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#define taskset_example_usage \
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"$ taskset 0x7 ./dgemm_test&\n" \
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"$ taskset -p 0x1 $!\n" \
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"pid 4790's current affinity mask: 7\n" \
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"pid 4790's new affinity mask: 1\n" \
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"$ taskset 0x7 /bin/sh -c './taskset -p 0x1 $$'\n" \
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"pid 6671's current affinity mask: 1\n" \
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"pid 6671's new affinity mask: 1\n" \
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"$ taskset -p 1\n"
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"pid 1's current affinity mask: 3\n"
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#define tee_trivial_usage \
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"[OPTION]... [FILE]..."
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#define tee_full_usage \
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@ -311,6 +311,12 @@ config CONFIG_TASKSET
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help
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Retrieve or set a processes's CPU affinity
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config CONFIG_TASKSET
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bool "taskset"
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default n
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help
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Retrieve or set a processes's CPU affinity (on linux)
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config CONFIG_TIME
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bool "time"
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default n
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@ -28,7 +28,6 @@ MISCUTILS-$(CONFIG_RUNLEVEL) += runlevel.o
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MISCUTILS-$(CONFIG_RX) += rx.o
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MISCUTILS-$(CONFIG_SETSID) += setsid.o
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MISCUTILS-$(CONFIG_STRINGS) += strings.o
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MISCUTILS-$(CONFIG_TASKSET) += taskset.o
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MISCUTILS-$(CONFIG_TIME) += time.o
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MISCUTILS-$(CONFIG_WATCHDOG) += watchdog.o
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@ -1,67 +0,0 @@
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/* vi: set sw=4 ts=4: */
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/*
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* taskset - retrieve or set a processes's CPU affinity
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* Copyright (c) 2006 Bernhard Fischer
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "busybox.h"
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#include <sched.h>
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#include <unistd.h>
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#include <getopt.h> /* optind */
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int taskset_main(int argc, char** argv)
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{
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cpu_set_t mask, new_mask;
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pid_t pid = 0;
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unsigned long ul;
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const char *state = "current\0new";
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char *p_opt = NULL, *aff = NULL;
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ul = bb_getopt_ulflags(argc, argv, "+p:", &p_opt);
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#define TASKSET_OPT_p (1)
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if (ul & TASKSET_OPT_p) {
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if (argc == optind+1) { /* -p <aff> <pid> */
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aff = p_opt;
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p_opt = argv[optind];
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}
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argv += optind; /* me -p <arg> */
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pid = bb_xgetularg10_bnd(p_opt, 1, ULONG_MAX); /* -p <pid> */
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} else
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aff = *++argv; /* <aff> <cmd...> */
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if (aff) {
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/* to_cpuset(bb_xgetularg_bnd(aff, 16, 1, ULONG_MAX), &new_mask); */
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unsigned i = 0;
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unsigned long l = bb_xgetularg_bnd(aff, 16, 1, ULONG_MAX);
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CPU_ZERO(&new_mask);
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while (i < CPU_SETSIZE && l >= (1<<i)) {
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if ((1<<i) & l)
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CPU_SET(i, &new_mask);
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++i;
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}
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}
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if (ul & TASKSET_OPT_p) {
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print_aff:
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if (sched_getaffinity(pid, sizeof (mask), &mask) < 0)
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bb_perror_msg_and_die("Failed to %cet pid %d's affinity", 'g', pid);
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bb_printf("pid %d's %s affinity mask: %x\n", /* %x .. perhaps _FANCY */
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pid, state, mask);
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if (!*argv) /* no new affinity given or we did print already, done. */
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return EXIT_SUCCESS;
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}
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if (sched_setaffinity(pid, sizeof (new_mask), &new_mask))
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bb_perror_msg_and_die("Failed to %cet pid %d's affinity", 's', pid);
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if (ul & TASKSET_OPT_p) {
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state += 8;
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++argv;
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goto print_aff;
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}
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++argv;
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execvp(*argv, argv);
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bb_perror_msg_and_die("%s", *argv);
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}
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@ -1,17 +0,0 @@
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#!/bin/sh
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# Copyright 2006 Bernhard Fischer
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# Licensed under GPL v2 or later, see file LICENSE for details.
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. testing.sh
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a="taskset"
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# testing "test name" "opts" "expected result" "file inp" "stdin"
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testing "taskset (get from pid 1)" "$a -p1 >/dev/null;echo \$?" "0\n" "" ""
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testing "taskset (invalid pid)" "$a -p0 >/dev/null 2>&1;echo \$?" "1\n" "" ""
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testing "taskset (set_aff, needs CAP_SYS_NICE)" \
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"$a 0x1 $SHELL -c $a\ -p\ \$$\|grep\ \"current\ affinity\ mask:\ 1\" >/dev/null;echo \$?" \
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"0\n" "" ""
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unset a
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exit $FAILCOUNT
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