initial population

1 files changed, 123 insertions, 0 deletions

diff --git a/usr.bin/nice/nice.c b/usr.bin/nice/nice.c
new file mode 100644
index 0000000..de5fe5b
--- /dev/null
+++ b/usr.bin/nice/nice.c
@@ -0,0 +1,123 @@
+/*	$NetBSD: nice.c,v 1.15 2008/07/21 14:19:24 lukem Exp $	*/
+
+/*
+ * Copyright (c) 1989 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. 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.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1989\
+ The Regents of the University of California.  All rights reserved.");
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)nice.c	5.4 (Berkeley) 6/1/90";
+#endif
+__RCSID("$NetBSD: nice.c,v 1.15 2008/07/21 14:19:24 lukem Exp $");
+#endif /* not lint */
+
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <locale.h>
+#include <ctype.h>
+#include <errno.h>
+#include <err.h>
+#include <unistd.h>
+
+#define	DEFNICE	10
+
+static void usage(void) __dead;
+
+int
+main(int argc, char **argv)
+{
+	char *ep;
+	int niceness = DEFNICE;
+	int c;
+	long tmp;
+
+	setprogname(argv[0]);
+	(void)setlocale(LC_ALL, "");
+
+        /* handle obsolete -number syntax */
+        if (argc > 1 && argv[1][0] == '-' &&
+	    isdigit((unsigned char)argv[1][1])) {
+		niceness = atoi (argv[1] + 1);
+                argc--; argv++;
+        }
+
+	while ((c = getopt (argc, argv, "n:")) != -1) {
+		switch (c) {
+		case 'n':
+			errno = 0;
+			tmp = strtol(optarg, &ep, 10);
+			if (*ep != '\0' || tmp < INT_MIN || tmp > INT_MAX)
+				errx(EXIT_FAILURE, "invalid argument: `%s'",
+				    optarg);
+			niceness = (int)tmp;
+			break;
+		default:
+			usage();
+			break;
+		}
+	}
+	argc -= optind;
+	argv += optind;
+
+	if (argc == 0)
+		usage();
+
+	errno = 0;
+	niceness += getpriority(PRIO_PROCESS, 0);
+	if (errno) {
+		err(EXIT_FAILURE, "getpriority");
+		/* NOTREACHED */
+	}
+	if (setpriority(PRIO_PROCESS, 0, niceness) == -1) {
+		warn("setpriority");
+	}
+
+	(void)execvp(argv[0], &argv[0]);
+	err((errno == ENOENT || errno == ENOTDIR) ? 127 : 126, "%s", argv[0]);
+	/* NOTREACHED */
+}
+
+static void
+usage(void)
+{
+	(void)fprintf(stderr,
+	    "Usage: %s [ -n increment ] utility [ argument ...]\n",
+	    getprogname());
+	exit(EXIT_FAILURE);
+}