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-rw-r--r--nptl/tst-fork4.c60
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diff --git a/nptl/tst-fork4.c b/nptl/tst-fork4.c
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+/* Test of fork updating child universe's pthread structures.
+   Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int
+main (void)
+{
+  pthread_t me = pthread_self ();
+
+  pid_t pid = fork ();
+
+  if (pid < 0)
+    {
+      printf ("fork: %m\n");
+      return 1;
+    }
+
+  if (pid == 0)
+    {
+      int err = pthread_kill (me, SIGTERM);
+      printf ("pthread_kill returned: %s\n", strerror (err));
+      return 3;
+    }
+
+  int status;
+  errno = 0;
+  if (wait (&status) != pid)
+    printf ("wait failed: %m\n");
+  else if (WIFSIGNALED (status) && WTERMSIG (status) == SIGTERM)
+    {
+      printf ("child correctly died with SIGTERM\n");
+      return 0;
+    }
+  else
+    printf ("child died with bad status %#x\n", status);
+
+  return 1;
+}