tools/tests/libMicro/fcntl_ndelay.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  * measures  O_NDELAY on socket
  33  */
  34
  35 #include <sys/types.h>
  36 #include <sys/socket.h>
  37 #include <fcntl.h>
  38 #include <netinet/in.h>
  39 #include <netinet/tcp.h>
  40 #include <arpa/inet.h>
  41 #include <netdb.h>
  42 #include <string.h>
  43 #include <unistd.h>
  44 #include <stdlib.h>
  45 #include <stdio.h>
  46 #include <errno.h>
  47
  48 #include "libmicro.h"
  49
  50 static int                      fd = -1;
  51
  52 int
  53 benchmark_init()
  54 {
  55         (void) sprintf(lm_usage,
  56             "notes: measures F_GETFL/F_SETFL O_NDELAY on socket\n");
  57
  58         lm_tsdsize = 0;
  59
  60         return (0);
  61 }
  62
  63 int
  64 benchmark_initrun()
  65 {
  66         fd = socket(AF_INET, SOCK_STREAM, 0);
  67         if (fd == -1) {
  68                 perror("socket");
  69                 exit(1);
  70         }
  71
  72         return (0);
  73 }
  74
  75 /*ARGSUSED*/
  76 int
  77 benchmark(void *tsd, result_t *res)
  78 {
  79         int                     i;
  80         int                     flags;
  81
  82         for (i = 0; i < lm_optB; i += 4) {
  83                 if (fcntl(fd, F_GETFL, &flags) < 0)
  84                         res->re_errors++;
  85                 flags |= O_NDELAY;
  86
  87                 if (fcntl(fd, F_SETFL, &flags) < 0)
  88                         res->re_errors++;
  89
  90                 if (fcntl(fd, F_GETFL, &flags) < 0)
  91                         res->re_errors++;
  92                 flags &= ~O_NDELAY;
  93
  94                 if (fcntl(fd, F_SETFL, &flags) < 0)
  95                         res->re_errors++;
  96         }
  97         res->re_count = i;
  98
  99         return (0);
 100 }