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authorderaadt <deraadt@openbsd.org>1995-10-18 08:37:01 +0000
committerderaadt <deraadt@openbsd.org>1995-10-18 08:37:01 +0000
commitdf930be708d50e9715f173caa26ffe1b7599b157 (patch)
treeaa317e49e28cb999c9cf3db7f00c20903fe6010a /usr.bin/nice/nice.c
downloadwireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.tar.xz
wireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.zip
initial import of NetBSD tree
Diffstat (limited to 'usr.bin/nice/nice.c')
-rw-r--r--usr.bin/nice/nice.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/usr.bin/nice/nice.c b/usr.bin/nice/nice.c
new file mode 100644
index 00000000000..dc32e08fbe6
--- /dev/null
+++ b/usr.bin/nice/nice.c
@@ -0,0 +1,120 @@
+/* $NetBSD: nice.c,v 1.9 1995/08/31 23:30:58 jtc 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. 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.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)nice.c 5.4 (Berkeley) 6/1/90";
+#endif
+static char rcsid[] = "$NetBSD: nice.c,v 1.9 1995/08/31 23:30:58 jtc Exp $";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <locale.h>
+#include <ctype.h>
+#include <errno.h>
+#include <err.h>
+#include <unistd.h>
+
+#define DEFNICE 10
+
+static void usage();
+
+int
+main(argc, argv)
+ int argc;
+ char **argv;
+{
+ int niceness = DEFNICE;
+ int c;
+
+ setlocale(LC_ALL, "");
+
+ /* handle obsolete -number syntax */
+ if (argc > 1 && argv[1][0] == '-' && isdigit(argv[1][1])) {
+ niceness = atoi (argv[1] + 1);
+ argc--; argv++;
+ }
+
+ while ((c = getopt (argc, argv, "n:")) != -1) {
+ switch (c) {
+ case 'n':
+ niceness = atoi (optarg);
+ break;
+
+ case '?':
+ default:
+ usage();
+ break;
+ }
+ }
+ argc -= optind; argv += optind;
+
+ if (argc == 0)
+ usage();
+
+ errno = 0;
+ niceness += getpriority(PRIO_PROCESS, 0);
+ if (errno) {
+ err (1, "getpriority");
+ /* NOTREACHED */
+ }
+ if (setpriority(PRIO_PROCESS, 0, niceness)) {
+ warn ("setpriority");
+ }
+
+ execvp(argv[0], &argv[0]);
+ err ((errno == ENOENT) ? 127 : 126, "%s", argv[0]);
+ /* NOTREACHED */
+}
+
+static void
+usage()
+{
+ (void)fprintf(stderr,
+ "usage: nice [ -n increment ] utility [ argument ...]\n");
+
+ exit(1);
+}