File:  [Net/2] / Net2 / tests / benchmarks / seqread.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 18:03:54 2018 UTC (8 years, 3 months ago) by root
Branches: MAIN, CSRG
CVS tags: Net2, HEAD
Net/2

/*
 * Sequential I/O benchmark.
 */

#include <sys/types.h>
#include <sys/file.h>
#include <sys/stat.h>

char	*malloc();

main(argc, argv)
	char *argv[];
{
	register int i, max;
	char *buf;
	struct stat sb;
	int fd;

	if (argc < 2) {
		printf("usage: %s file\n", argv[0]);
		exit(1);
	}
	fd = open(argv[1], O_RDONLY);
	if (fd < 0) {
		perror(argv[1]);
		exit(1);
	}
	fstat(fd, &sb);
	buf = malloc(sb.st_blksize);
	while (read(fd, buf, sb.st_blksize) == sb.st_blksize)
		;
}

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