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diff --git a/winsup/testsuite/winsup.api/ltp/fork03.c b/winsup/testsuite/winsup.api/ltp/fork03.c
new file mode 100644
index 000000000..cda913273
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+++ b/winsup/testsuite/winsup.api/ltp/fork03.c
@@ -0,0 +1,164 @@
+/*
+ *
+ * Copyright (c) International Business Machines Corp., 2001
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * NAME
+ * fork03.c
+ *
+ * DESCRIPTION
+ * Check that child can use a large text space and do a large
+ * number of operations.
+ *
+ * ALGORITHM
+ * Fork one process, check for pid == 0 in child.
+ * Check for pid > 0 in parent after wait.
+ *
+ * USAGE
+ * fork03
+ *
+ * HISTORY
+ * 07/2001 Ported by Wayne Boyer
+ *
+ * RESTRICTIONS
+ * None
+ */
+
+#include <stdio.h>
+#include "test.h"
+#include "usctest.h"
+
+void setup(void);
+void cleanup(void);
+
+char *TCID = "fork03";
+int TST_TOTAL = 1;
+extern int Tst_count;
+
+void setup(void);
+void cleanup(void);
+
+main(int ac, char **av)
+{
+ float fl1, fl2;
+ int i;
+ int pid1, pid2, status;
+
+ int lc; /* loop counter */
+ const char *msg; /* message returned from parse_opts */
+
+ /*
+ * parse standard options
+ */
+ if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){
+ tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg);
+ /*NOTREACHED*/
+ }
+
+ /*
+ * perform global setup for the test
+ */
+ setup();
+
+ /*
+ * check looping state if -i option is given
+ */
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ /*
+ * reset Tst_count in case we are looping.
+ */
+ Tst_count = 0;
+
+ if ((pid1 = fork()) == -1) {
+ tst_brkm(TBROK, cleanup, "fork() failed");
+ }
+
+ if (pid1 == 0) { /* child */
+ /* child uses some cpu cycles */
+ for (i = 1; i < 32767; i++) {
+ fl1 = 0.000001;
+ fl1 = fl2 = 0.000001;
+ fl1 = fl1 * 10.0;
+ fl2 = fl1 / 1.232323;
+ fl1 = fl2 - fl2;
+ fl1 = fl2;
+ }
+
+ /* Pid must always be zero in child */
+
+ if (pid1 != 0) {
+ exit(1);
+ } else {
+ exit(0);
+ }
+ } else { /* parent */
+ tst_resm(TINFO, "process id in parent of child from "
+ "fork : %d", pid1);
+ pid2 = wait(&status); /* wait for child */
+
+ if (pid1 != pid2) {
+ tst_resm(TFAIL, "pids don't match : %d vs %d",
+ pid1, pid2);
+ continue;
+ }
+
+ if ((status >> 8) != 0) {
+ tst_resm(TFAIL, "child exited with failure");
+ continue;
+ }
+
+ tst_resm(TPASS, "test 1 PASSED");
+ }
+ }
+ cleanup();
+
+ /*NOTREACHED*/
+}
+
+/*
+ * setup() - performs all ONE TIME setup for this test
+ */
+void
+setup()
+{
+ /*
+ * capture signals
+ */
+ tst_sig(FORK, DEF_HANDLER, cleanup);
+
+ /*
+ * Pause if that option was specified
+ */
+ TEST_PAUSE;
+}
+
+/*
+ * cleanup() - performs all ONE TIME cleanup for this test at
+ * completion or premature exit
+ */
+void
+cleanup()
+{
+ /*
+ * print timing stats if that option was specified.
+ * print errno log if that option was specified.
+ */
+ TEST_CLEANUP;
+
+ tst_exit();
+}