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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License (the "License").
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6 * You may not use this file except in compliance with the License.
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7 *
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8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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9 * or http://www.opensolaris.org/os/licensing.
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10 * See the License for the specific language governing permissions
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11 * and limitations under the License.
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12 *
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13 * When distributing Covered Code, include this CDDL HEADER in each
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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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15 * If applicable, add the following below this CDDL HEADER, with the
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16 * fields enclosed by brackets "[]" replaced with your own identifying
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17 * information: Portions Copyright [yyyy] [name of copyright owner]
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18 *
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19 * CDDL HEADER END
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20 */
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21
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22 /*
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23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
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24 * Use is subject to license terms.
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25 */
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26
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27 #pragma ident "@(#)tst.vfork.c 1.1 06/08/28 SMI"
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28
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29 #include <unistd.h>
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30
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31 int
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32 waiting(volatile int *a)
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33 {
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34 return (*a);
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35 }
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36
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37 int
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38 go(void)
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39 {
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40 int i, j, total = 0;
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41
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42 for (i = 0; i < 10; i++) {
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43 for (j = 0; j < 10; j++) {
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44 total += i * j;
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45 }
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46 }
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47
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48 return (total);
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49 }
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50
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51 int
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52 main(int argc, char **argv)
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53 {
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54 volatile int a = 0;
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55
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56 while (waiting(&a) == 0)
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57 continue;
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58
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59 if (vfork() == 0) {
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60 int ret = go();
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61 (void) _exit(ret);
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62 }
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63
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64 return (0);
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65 }
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