1 files changed, 0 insertions, 221 deletions
diff --git a/miscutils/taskset.c b/miscutils/taskset.c
deleted file mode 100644
index 94a07383a..000000000
--- a/miscutils/taskset.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * taskset - retrieve or set a processes' CPU affinity
- * Copyright (c) 2006 Bernhard Reutner-Fischer
- *
- * Licensed under GPLv2 or later, see file LICENSE in this source tree.
- */
-
-//config:config TASKSET
-//config:	bool "taskset"
-//config:	default y
-//config:	help
-//config:	  Retrieve or set a processes's CPU affinity.
-//config:	  This requires sched_{g,s}etaffinity support in your libc.
-//config:
-//config:config FEATURE_TASKSET_FANCY
-//config:	bool "Fancy output"
-//config:	default y
-//config:	depends on TASKSET
-//config:	help
-//config:	  Needed for machines with more than 32-64 CPUs:
-//config:	  affinity parameter 0xHHHHHHHHHHHHHHHHHHHH can be arbitrarily long
-//config:	  in this case. Otherwise, it is limited to sizeof(long).
-
-//applet:IF_TASKSET(APPLET(taskset, BB_DIR_USR_BIN, BB_SUID_DROP))
-//kbuild:lib-$(CONFIG_TASKSET) += taskset.o
-
-//usage:#define taskset_trivial_usage
-//usage:       "[-p] [HEXMASK] PID | PROG ARGS"
-//usage:#define taskset_full_usage "\n\n"
-//usage:       "Set or get CPU affinity\n"
-//usage:     "\n	-p	Operate on an existing PID"
-//usage:
-//usage:#define taskset_example_usage
-//usage:       "$ taskset 0x7 ./dgemm_test&\n"
-//usage:       "$ taskset -p 0x1 $!\n"
-//usage:       "pid 4790's current affinity mask: 7\n"
-//usage:       "pid 4790's new affinity mask: 1\n"
-//usage:       "$ taskset 0x7 /bin/sh -c './taskset -p 0x1 $$'\n"
-//usage:       "pid 6671's current affinity mask: 1\n"
-//usage:       "pid 6671's new affinity mask: 1\n"
-//usage:       "$ taskset -p 1\n"
-//usage:       "pid 1's current affinity mask: 3\n"
-/*
- * Not yet implemented:
- * -a/--all-tasks (affect all threads)
- *	needs to get TIDs from /proc/PID/task/ and use _them_ as "pid" in sched_setaffinity(pid)
- * -c/--cpu-list  (specify CPUs via "1,3,5-7")
- */
-
-#include <sched.h>
-#include "libbb.h"
-
-typedef unsigned long ul;
-#define SZOF_UL (unsigned)(sizeof(ul))
-#define BITS_UL (unsigned)(sizeof(ul)*8)
-#define MASK_UL (unsigned)(sizeof(ul)*8 - 1)
-
-#if ENABLE_FEATURE_TASKSET_FANCY
-#define TASKSET_PRINTF_MASK "%s"
-/* craft a string from the mask */
-static char *from_mask(const ul *mask, unsigned sz_in_bytes)
-{
-	char *str = xzalloc((sz_in_bytes+1) * 2); /* we will leak it */
-	char *p = str;
-	for (;;) {
-		ul v = *mask++;
-		if (SZOF_UL == 4)
-			p += sprintf(p, "%08lx", v);
-		if (SZOF_UL == 8)
-			p += sprintf(p, "%016lx", v);
-		if (SZOF_UL == 16)
-			p += sprintf(p, "%032lx", v); /* :) */
-		sz_in_bytes -= SZOF_UL;
-		if ((int)sz_in_bytes <= 0)
-			break;
-	}
-	while (str[0] == '0' && str[1])
-		str++;
-	return str;
-}
-#else
-#define TASKSET_PRINTF_MASK "%lx"
-static unsigned long long from_mask(ul *mask, unsigned sz_in_bytes UNUSED_PARAM)
-{
-	return *mask;
-}
-#endif
-
-static unsigned long *get_aff(int pid, unsigned *sz)
-{
-	int r;
-	unsigned long *mask = NULL;
-	unsigned sz_in_bytes = *sz;
-
-	for (;;) {
-		mask = xrealloc(mask, sz_in_bytes);
-		r = sched_getaffinity(pid, sz_in_bytes, (void*)mask);
-		if (r == 0)
-			break;
-		sz_in_bytes *= 2;
-		if (errno == EINVAL && (int)sz_in_bytes > 0)
-			continue;
-		bb_perror_msg_and_die("can't %cet pid %d's affinity", 'g', pid);
-	}
-	//bb_error_msg("get mask[0]:%lx sz_in_bytes:%d", mask[0], sz_in_bytes);
-	*sz = sz_in_bytes;
-	return mask;
-}
-
-int taskset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int taskset_main(int argc UNUSED_PARAM, char **argv)
-{
-	ul *mask;
-	unsigned mask_size_in_bytes;
-	pid_t pid = 0;
-	unsigned opt_p;
-	const char *current_new;
-	char *aff;
-
-	/* NB: we mimic util-linux's taskset: -p does not take
-	 * an argument, i.e., "-pN" is NOT valid, only "-p N"!
-	 * Indeed, util-linux-2.13-pre7 uses:
-	 * getopt_long(argc, argv, "+pchV", ...), not "...p:..." */
-
-	opt_complementary = "-1"; /* at least 1 arg */
-	opt_p = getopt32(argv, "+p");
-	argv += optind;
-
-	aff = *argv++;
-	if (opt_p) {
-		char *pid_str = aff;
-		if (*argv) { /* "-p <aff> <pid> ...rest.is.ignored..." */
-			pid_str = *argv; /* NB: *argv != NULL in this case */
-		}
-		/* else it was just "-p <pid>", and *argv == NULL */
-		pid = xatoul_range(pid_str, 1, ((unsigned)(pid_t)ULONG_MAX) >> 1);
-	} else {
-		/* <aff> <cmd...> */
-		if (!*argv)
-			bb_show_usage();
-	}
-
-	mask_size_in_bytes = SZOF_UL;
-	current_new = "current";
- print_aff:
-	mask = get_aff(pid, &mask_size_in_bytes);
-	if (opt_p) {
-		printf("pid %d's %s affinity mask: "TASKSET_PRINTF_MASK"\n",
-				pid, current_new, from_mask(mask, mask_size_in_bytes));
-		if (*argv == NULL) {
-			/* Either it was just "-p <pid>",
-			 * or it was "-p <aff> <pid>" and we came here
-			 * for the second time (see goto below) */
-			return EXIT_SUCCESS;
-		}
-		*argv = NULL;
-		current_new = "new";
-	}
-	memset(mask, 0, mask_size_in_bytes);
-
-	/* Affinity was specified, translate it into mask */
-	/* it is always in hex, skip "0x" if it exists */
-	if (aff[0] == '0' && (aff[1]|0x20) == 'x')
-		aff += 2;
-
-	if (!ENABLE_FEATURE_TASKSET_FANCY) {
-		mask[0] = xstrtoul(aff, 16);
-	} else {
-		unsigned i;
-		char *last_char;
-
-		i = 0; /* bit pos in mask[] */
-
-		/* aff is ASCII hex string, accept very long masks in this form.
-		 * Process hex string AABBCCDD... to ulong mask[]
-		 * from the rightmost nibble, which is least-significant.
-		 * Bits not fitting into mask[] are ignored: (example: 1234
-		 * in 12340000000000000000000000000000000000000ff)
-		 */
-		last_char = strchrnul(aff, '\0');
-		while (last_char > aff) {
-			char c;
-			ul val;
-
-			last_char--;
-			c = *last_char;
-			if (isdigit(c))
-				val = c - '0';
-			else if ((c|0x20) >= 'a' && (c|0x20) <= 'f')
-				val = (c|0x20) - ('a' - 10);
-			else
-				bb_error_msg_and_die("bad affinity '%s'", aff);
-
-			if (i < mask_size_in_bytes * 8) {
-				mask[i / BITS_UL] |= val << (i & MASK_UL);
-				//bb_error_msg("bit %d set", i);
-			}
-			/* else:
-			 * We can error out here, but we don't.
-			 * For one, kernel itself ignores bits in mask[]
-			 * which do not map to any CPUs:
-			 * if mask[] has one 32-bit long element,
-			 * but you have only 8 CPUs, all bits beyond first 8
-			 * are ignored, silently.
-			 * No point in making bits past 31th to be errors.
-			 */
-			i += 4;
-		}
-	}
-
-	/* Set pid's or our own (pid==0) affinity */
-	if (sched_setaffinity(pid, mask_size_in_bytes, (void*)mask))
-		bb_perror_msg_and_die("can't %cet pid %d's affinity", 's', pid);
-	//bb_error_msg("set mask[0]:%lx", mask[0]);
-
-	if (!argv[0]) /* "-p <aff> <pid> [...ignored...]" */
-		goto print_aff; /* print new affinity and exit */
-
-	BB_EXECVP_or_die(argv);
-}