tools/tests/libMicro/siglongjmp.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 #include <unistd.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <setjmp.h>
  35
  36 #include "libmicro.h"
  37
  38 typedef struct {
  39         jmp_buf                 ts_env;
  40 } tsd_t;
  41
  42 int
  43 benchmark_init()
  44 {
  45         lm_tsdsize = sizeof (tsd_t);
  46
  47         lm_tsdsize = 0;
  48
  49         (void) sprintf(lm_usage, "notes: measures siglongjmp()\n");
  50
  51         return (0);
  52 }
  53
  54 int
  55 benchmark(void *tsd, result_t *res)
  56 {
  57         tsd_t                   *ts = (tsd_t *)tsd;
  58
  59 #if 1 /* Apple fix to longjmp/siglongjmp tests, see radar 7440118 */
  60         volatile int i = 0;
  61 #else
  62         int i = 0;
  63 #endif /* end of Apple fix */
  64
  65         (void) sigsetjmp(ts->ts_env, 1);
  66
  67         if (i++ < lm_optB)
  68                 siglongjmp(ts->ts_env, 0);
  69
  70         res->re_count = lm_optB;
  71
  72         return (0);
  73 }