35 lines
772 B
C
35 lines
772 B
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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main(argc, argv)
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int argc;
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char *argv[];
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{
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int nicarg = 10;
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if (argc > 1 && argv[1][0] == '-') {
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nicarg = atoi(&argv[1][1]);
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argc--, argv++;
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}
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if (argc < 2) {
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fputs("usage: nice [ -n ] command\n", stderr);
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exit(1);
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}
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if (setpriority(PRIO_PROCESS, 0,
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getpriority(PRIO_PROCESS, 0) + nicarg) < 0) {
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perror("setpriority");
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exit(1);
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}
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execvp(argv[1], &argv[1]);
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perror(argv[1]);
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exit(1);
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}
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