tools/tests/libMicro/fcntl.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms
   5  * of the Common Development and Distribution License
   6  * (the "License").  You may not use this file except
   7  * in compliance with the License.
   8  *
   9  * You can obtain a copy of the license at
  10  * src/OPENSOLARIS.LICENSE
  11  * or http://www.opensolaris.org/os/licensing.
  12  * See the License for the specific language governing
  13  * permissions and limitations under the License.
  14  *
  15  * When distributing Covered Code, include this CDDL
  16  * HEADER in each file and include the License file at
  17  * usr/src/OPENSOLARIS.LICENSE.  If applicable,
  18  * add the following below this CDDL HEADER, with the
  19  * fields enclosed by brackets "[]" replaced with your
  20  * own identifying information: Portions Copyright [yyyy]
  21  * [name of copyright owner]
  22  *
  23  * CDDL HEADER END
  24  */
  25
  26 /*
  27  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 /*
  32  * benchmark fcntl getfl
  33  */
  34
  35 #include <unistd.h>
  36 #include <stdlib.h>
  37 #include <stdio.h>
  38 #include <sys/types.h>
  39 #include <fcntl.h>
  40
  41 #include "libmicro.h"
  42
  43 #define DEFF                    "/dev/null"
  44
  45 static char                     *optf = DEFF;
  46 static int                      fd = -1;
  47
  48 int
  49 benchmark_init()
  50 {
  51         (void) sprintf(lm_optstr, "f:");
  52         lm_tsdsize = 0;
  53
  54         (void) sprintf(lm_usage,
  55             "       [-f file-to-fcntl (default %s)]\n"
  56             "notes: measures fcntl()\n",
  57             DEFF);
  58
  59         return (0);
  60 }
  61
  62 int
  63 benchmark_optswitch(int opt, char *optarg)
  64 {
  65         switch (opt) {
  66         case 'f':
  67                 optf = optarg;
  68                 break;
  69         default:
  70                 return (-1);
  71         }
  72         return (0);
  73 }
  74
  75 int
  76 benchmark_initrun()
  77 {
  78         if ((fd = open(optf, O_RDONLY)) == -1) {
  79                 perror("open");
  80                 exit(1);
  81         }
  82         return (0);
  83 }
  84
  85 /*ARGSUSED*/
  86 int
  87 benchmark(void *tsd, result_t *res)
  88 {
  89         int                     i;
  90         int                     flags;
  91
  92         for (i = 0; i < lm_optB; i++) {
  93                 if (fcntl(fd, F_GETFL, &flags) == -1)
  94                         res->re_errors++;
  95         }
  96         res->re_count = i;
  97
  98         return (0);
  99 }