Adding upstream version 2.39.3.upstream/2.39.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 225 insertions, 0 deletions

diff --git a/sys-utils/renice.c b/sys-utils/renice.c
new file mode 100644
index 0000000..c4e1537
--- /dev/null
+++ b/sys-utils/renice.c
@@ -0,0 +1,225 @@
+/*
+ * Copyright (c) 1983, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+ /* 1999-02-22 Arkadiusz Miśkiewicz <misiek@pld.ORG.PL>
+  * - added Native Language Support
+  */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include <stdio.h>
+#include <pwd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "nls.h"
+#include "c.h"
+#include "closestream.h"
+
+static const char *idtype[] = {
+	[PRIO_PROCESS]	= N_("process ID"),
+	[PRIO_PGRP]	= N_("process group ID"),
+	[PRIO_USER]	= N_("user ID"),
+};
+
+static void __attribute__((__noreturn__)) usage(void)
+{
+	FILE *out = stdout;
+	fputs(USAGE_HEADER, out);
+	fprintf(out,
+	      _(" %1$s [-n|--priority|--relative] <priority> [-p|--pid] <pid>...\n"
+		" %1$s [-n|--priority|--relative] <priority>  -g|--pgrp <pgid>...\n"
+		" %1$s [-n|--priority|--relative] <priority>  -u|--user <user>...\n"),
+		program_invocation_short_name);
+
+	fputs(USAGE_SEPARATOR, out);
+	fputs(_("Alter the priority of running processes.\n"), out);
+
+	fputs(USAGE_OPTIONS, out);
+	fputs(_(" -n <num>               specify the nice value\n"), out);
+	fputs(_("                          If POSIXLY_CORRECT flag is set in environment\n"), out);
+	fputs(_("                          then the priority is 'relative' to current\n"), out);
+	fputs(_("                          process priority. Otherwise it is 'absolute'.\n"), out);
+	fputs(_(" --priority <num>       specify the 'absolute' nice value\n"), out);
+	fputs(_(" --relative <num>       specify the 'relative' nice value\n"), out);
+	fputs(_(" -p, --pid              interpret arguments as process ID (default)\n"), out);
+	fputs(_(" -g, --pgrp             interpret arguments as process group ID\n"), out);
+	fputs(_(" -u, --user             interpret arguments as username or user ID\n"), out);
+	fputs(USAGE_SEPARATOR, out);
+	printf(USAGE_HELP_OPTIONS(24));
+	printf(USAGE_MAN_TAIL("renice(1)"));
+	exit(EXIT_SUCCESS);
+}
+
+static int getprio(const int which, const int who, int *prio)
+{
+	errno = 0;
+	*prio = getpriority(which, who);
+	if (*prio == -1 && errno) {
+		warn(_("failed to get priority for %d (%s)"), who, idtype[which]);
+		return -errno;
+	}
+	return 0;
+}
+
+static int donice(const int which, const int who, const int prio, const int relative)
+{
+	int oldprio, newprio;
+
+	if (getprio(which, who, &oldprio) != 0)
+		return 1;
+	
+	newprio = prio; // if not relative, set absolute priority
+
+	if (relative)
+		newprio = oldprio + prio;
+
+	if (setpriority(which, who, newprio) < 0) {
+		warn(_("failed to set priority for %d (%s)"), who, idtype[which]);
+		return 1;
+	}
+	if (getprio(which, who, &newprio) != 0)
+		return 1;
+	printf(_("%d (%s) old priority %d, new priority %d\n"),
+	       who, idtype[which], oldprio, newprio);
+	return 0;
+}
+
+/*
+ * Change the priority (the nice value) of processes
+ * or groups of processes which are already running.
+ */
+int main(int argc, char **argv)
+{
+	int which = PRIO_PROCESS;
+	int who = 0, prio, errs = 0;
+	int relative = 0;
+	char *endptr = NULL;
+
+	setlocale(LC_ALL, "");
+	bindtextdomain(PACKAGE, LOCALEDIR);
+	textdomain(PACKAGE);
+	close_stdout_atexit();
+
+	argc--;
+	argv++;
+
+	if (argc == 1) {
+		if (strcmp(*argv, "-h") == 0 ||
+		    strcmp(*argv, "--help") == 0)
+			usage();
+
+		if (strcmp(*argv, "-v") == 0 ||
+		    strcmp(*argv, "-V") == 0 ||
+		    strcmp(*argv, "--version") == 0)
+			print_version(EXIT_SUCCESS);
+	}
+
+	if (*argv)
+	{
+		if (strcmp(*argv, "-n") == 0)
+		{
+			// Fully conform to posix only if POSIXLY_CORRECT is
+			// set in the environment. If not, use the absolute
+			// value as it's been used (incorrectly) since 2009
+			relative = getenv("POSIXLY_CORRECT") == NULL ? 0 : 1;
+			argc--;
+			argv++;
+		}
+		else if (strcmp(*argv, "--relative") == 0)
+		{
+			relative = 1;
+			argc--;
+			argv++;
+		}
+		else if (strcmp(*argv, "--priority") == 0) {
+			relative = 0;
+			argc--;
+			argv++;
+		}
+	}
+
+	if (argc < 2 || !*argv) {
+		warnx(_("not enough arguments"));
+		errtryhelp(EXIT_FAILURE);
+	}
+
+	prio = strtol(*argv, &endptr, 10);
+	if (*endptr) {
+		warnx(_("invalid priority '%s'"), *argv);
+		errtryhelp(EXIT_FAILURE);
+	}
+	argc--;
+	argv++;
+
+	for (; argc > 0; argc--, argv++) {
+		if (strcmp(*argv, "-g") == 0 || strcmp(*argv, "--pgrp") == 0) {
+			which = PRIO_PGRP;
+			continue;
+		}
+		if (strcmp(*argv, "-u") == 0 || strcmp(*argv, "--user") == 0) {
+			which = PRIO_USER;
+			continue;
+		}
+		if (strcmp(*argv, "-p") == 0 || strcmp(*argv, "--pid") == 0) {
+			which = PRIO_PROCESS;
+			continue;
+		}
+		if (which == PRIO_USER) {
+			struct passwd *pwd = getpwnam(*argv);
+
+			if (pwd != NULL)
+				who = pwd->pw_uid;
+			else
+				who = strtol(*argv, &endptr, 10);
+			if (who < 0 || *endptr) {
+				warnx(_("unknown user %s"), *argv);
+				errs = 1;
+				continue;
+			}
+		} else {
+			who = strtol(*argv, &endptr, 10);
+			if (who < 0 || *endptr) {
+				/* TRANSLATORS: The first %s is one of the above
+				 * three ID names. Read: "bad value for %s: %s" */
+				warnx(_("bad %s value: %s"), idtype[which], *argv);
+				errs = 1;
+				continue;
+			}
+		}
+		errs |= donice(which, who, prio, relative);
+	}
+	return errs != 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}