tools/tests/libMicro/exec.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  * exec benchmark
  33  */
  34
  35 #include <unistd.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <sys/wait.h>
  40
  41 #include "libmicro.h"
  42
  43 static char exec_path[1024];
  44 static char *argv[3];
  45
  46 int
  47 benchmark_init()
  48 {
  49         lm_defB = 128;
  50         lm_tsdsize = 0;
  51
  52         (void) sprintf(lm_usage,
  53             "notes: measures execv time of simple process()\n");
  54
  55         return (0);
  56 }
  57
  58 /*ARGSUSED*/
  59 int
  60 benchmark_initbatch(void *tsd)
  61 {
  62         char                    buffer[80];
  63
  64         (void) strcpy(exec_path, lm_procpath);
  65         (void) strcat(exec_path, "/exec_bin");
  66
  67         (void) sprintf(buffer, "%d", lm_optB);
  68         argv[0] = exec_path;
  69         argv[1] = strdup(buffer);
  70         argv[2] = NULL;
  71
  72         return (0);
  73 }
  74
  75 /*ARGSUSED*/
  76 int
  77 benchmark(void *tsd, result_t *res)
  78 {
  79         int c;
  80         int status;
  81
  82         switch (c = fork()) {
  83         case -1:
  84                 res->re_errors++;
  85                 break;
  86         default:
  87                 if (waitpid(c, &status, 0) < 0)
  88                         res->re_errors++;
  89
  90                 if (WIFEXITED(status) && WEXITSTATUS(status) != 0)
  91                         res->re_errors++;
  92                 break;
  93         case 0:
  94                 if (execv(exec_path, argv) < 0)
  95                         res->re_errors++;
  96         }
  97
  98         res->re_count = lm_optB;
  99
 100         return (0);
 101 }