/* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */ #ifndef lint char copyright[] = "@(#) Copyright (c) 1980 Regents of the University of California.\n\ All rights reserved.\n"; #endif not lint #ifndef lint static char sccsid[] = "@(#)nice.c 5.2 (Berkeley) 1/12/86"; #endif not lint #include #include #include main(argc, argv) int argc; char *argv[]; { int nicarg = 10; if (argc > 1 && argv[1][0] == '-') { nicarg = atoi(&argv[1][1]); argc--, argv++; } if (argc < 2) { fputs("usage: nice [ -n ] command\n", stderr); exit(1); } if (setpriority(PRIO_PROCESS, 0, getpriority(PRIO_PROCESS, 0) + nicarg) < 0) { perror("setpriority"); exit(1); } execvp(argv[1], &argv[1]); perror(argv[1]); exit(1); }