tools/tests/libMicro/apple/lmbench_openclose.c

   1 /*
   2  * Copyright (c) 2006 Apple Inc.  All Rights Reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29
  30 #ifdef  __sun
  31 #pragma ident   "@(#)lmbench_openclose.c        1.4     06/21/06 Apple Inc."
  32 #endif
  33
  34
  35 #include <unistd.h>
  36 #include <stdlib.h>
  37 #include <stdio.h>
  38 #include <sys/types.h>
  39 #include <sys/stat.h>
  40 #include <fcntl.h>
  41
  42 #include "../libmicro.h"
  43
  44 #define DEFF                    "/dev/null"
  45 static char                     *optf = DEFF;
  46
  47 int
  48 benchmark_init()
  49 {
  50
  51         (void) sprintf(lm_optstr, "f:");
  52
  53         lm_tsdsize = 0;
  54
  55         (void) sprintf(lm_usage,
  56             "       [-f file-to-stat (default %s)]\n"
  57             "notes: measures stat()\n",
  58             DEFF);
  59
  60         return (0);
  61 }
  62
  63 int
  64 benchmark_optswitch(int opt, char *optarg)
  65 {
  66         switch (opt) {
  67         case 'f':
  68                 optf = optarg;
  69                 break;
  70         default:
  71                 return (-1);
  72         }
  73         return (0);
  74 }
  75
  76 /*ARGSUSED*/
  77 int
  78 benchmark(void *tsd, result_t *res)
  79 {
  80         int                     i;
  81         int                     fd;
  82
  83         res->re_errors = 0;
  84
  85 /*
  86  * The libmicro test uses a for loop as below:
  87  *   for (i = 0; i < lm_optB; i++) {
  88  *
  89  * we can probably get away with using lm_optB
  90  * in the while loop below
  91  *
  92  */
  93         i = 0;
  94
  95         while (i++ < lm_optB) {
  96                 fd = open(optf, 0);
  97                 if (fd == -1) {
  98                         res->re_errors++;
  99                 }
 100                 close(fd);
 101         }
 102
 103         res->re_count += lm_optB;
 104
 105         return (0);
 106 }