[unix-history] / usr / src / usr.bin / nice / nice.c

#ifndef lint
static char *sccsid = "@(#)nice.c	4.2 (Berkeley) %G%";
#endif

#include <stdio.h>

#include <sys/time.h>
#include <sys/resource.h>

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, nicarg) < 0) {
		perror("setpriority");
		exit(1);
	}
	execvp(argv[1], &argv[1]);
	perror(argv[1]);
	exit(1);
}
Commit	Line	Data
a8df6a6b SL	1	#ifndef lint
	2	static char *sccsid = "@(#)nice.c 4.2 (Berkeley) %G%";
	3	#endif
a0641931 BJ	4
	5	#include <stdio.h>
	6
a8df6a6b SL	7	#include <sys/time.h>
	8	#include <sys/resource.h>
	9
a0641931	10	main(argc, argv)
a8df6a6b SL	11	int argc;
a8df6a6b SL	12	char *argv[];
a0641931 BJ	13	{
a0641931 BJ	14	int nicarg = 10;
a0641931	15
a8df6a6b	16	if (argc > 1 && argv[1][0] == '-') {
a0641931	17	nicarg = atoi(&argv[1][1]);
a8df6a6b	18	argc--, argv++;
a0641931	19	}
a8df6a6b	20	if (argc < 2) {
a0641931 BJ	21	fputs("usage: nice [ -n ] command\n", stderr);
	22	exit(1);
	23	}
a8df6a6b SL	24	if (setpriority(PRIO_PROCESS, 0, nicarg) < 0) {
	25	perror("setpriority");
	26	exit(1);
	27	}
a0641931	28	execvp(argv[1], &argv[1]);
a8df6a6b	29	perror(argv[1]);
a0641931 BJ	30	exit(1);
a0641931 BJ	31	}