diff options
Diffstat (limited to 'mit-pthreads/tests/bench_fcntl.c')
-rw-r--r-- | mit-pthreads/tests/bench_fcntl.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/mit-pthreads/tests/bench_fcntl.c b/mit-pthreads/tests/bench_fcntl.c deleted file mode 100644 index 046046adda4..00000000000 --- a/mit-pthreads/tests/bench_fcntl.c +++ /dev/null @@ -1,82 +0,0 @@ -/* ==== bench_read.c ============================================================ - * Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu - * - * Description : Benchmark reads of /dev/null. Gives a good aprox. of - * syscall times. - * - * 1.00 93/08/01 proven - * -Started coding this file. - */ - -#include <sys/types.h> -#include <sys/time.h> -#include <stdio.h> -#include <fcntl.h> -#include <errno.h> - -#define OK 0 -#define NOTOK -1 -/* ========================================================================== - * usage(); - */ -void usage(void) -{ - printf("getopt [-d?] [-c count]\n"); - errno = 0; -} - -main(int argc, char **argv) -{ - struct timeval starttime, endtime; - int count = 1000000; - int debug = 0; - int flags; - int fd; - int i; - - char word[8192]; - - /* Getopt variables. */ - extern int optind, opterr; - extern char *optarg; - - while ((word[0] = getopt(argc, argv, "c:d?")) != (char)EOF) { - switch (word[0]) { - case 'd': - debug++; - break; - case 'c': - count = atoi(optarg); - break; - case '?': - usage(); - return(OK); - default: - usage(); - return(NOTOK); - } - } - - if ((fd = open("/dev/zero", O_RDONLY)) < OK) { - printf("Error: open\n"); - exit(0); - } - - if (gettimeofday(&starttime, NULL)) { - printf("Error: gettimeofday\n"); - exit(0); - } - for (i = 0; i < count; i++) { - if ((flags = fcntl(0, F_GETFL)) < 0) { - perror("fcntl 1st GETFL"); - } - } - if (gettimeofday(&endtime, NULL)) { - printf("Error: gettimeofday\n"); - exit(0); - } - - printf("%d fcntls of /dev/null took %d usecs.\n", count, - (endtime.tv_sec - starttime.tv_sec) * 1000000 + - (endtime.tv_usec - starttime.tv_usec)); -} |