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diff --git a/pthreads/tests/errno1.c b/pthreads/tests/errno1.c
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+/*
+ * File: errno1.c
+ *
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Pthreads-win32 - POSIX Threads Library for Win32
+ * Copyright(C) 1998 John E. Bossom
+ * Copyright(C) 1999,2005 Pthreads-win32 contributors
+ *
+ * Contact Email: rpj@callisto.canberra.edu.au
+ *
+ * The current list of contributors is contained
+ * in the file CONTRIBUTORS included with the source
+ * code distribution. The list can also be seen at the
+ * following World Wide Web location:
+ * http://sources.redhat.com/pthreads-win32/contributors.html
+ *
+ * This 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 of the License, or (at your option) any later version.
+ *
+ * This 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 this library in the file COPYING.LIB;
+ * if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Test Synopsis: Test thread-safety of errno
+ * -
+ *
+ * Test Method (Validation or Falsification):
+ * - Validation
+ *
+ * Requirements Tested:
+ * -
+ *
+ * Features Tested:
+ * -
+ *
+ * Cases Tested:
+ * -
+ *
+ * Description:
+ * -
+ *
+ * Environment:
+ * -
+ *
+ * Input:
+ * - None.
+ *
+ * Output:
+ * - File name, Line number, and failed expression on failure.
+ * - No output on success.
+ *
+ * Assumptions:
+ * -
+ *
+ * Pass Criteria:
+ * - Process returns zero exit status.
+ *
+ * Fail Criteria:
+ * - Process returns non-zero exit status.
+ */
+
+#include "test.h"
+
+/*
+ * Create NUMTHREADS threads in addition to the Main thread.
+ */
+enum {
+ NUMTHREADS = 3
+};
+
+typedef struct bag_t_ bag_t;
+struct bag_t_ {
+ int threadnum;
+ int started;
+ /* Add more per-thread state variables here */
+};
+
+static bag_t threadbag[NUMTHREADS + 1];
+
+pthread_mutex_t stop_here = PTHREAD_MUTEX_INITIALIZER;
+
+void *
+mythread(void * arg)
+{
+ bag_t * bag = (bag_t *) arg;
+
+ assert(bag == &threadbag[bag->threadnum]);
+ assert(bag->started == 0);
+ bag->started = 1;
+
+ errno = bag->threadnum;
+
+ Sleep(1000);
+
+ pthread_mutex_lock(&stop_here);
+
+ assert(errno == bag->threadnum);
+
+ pthread_mutex_unlock(&stop_here);
+
+ Sleep(1000);
+
+ return 0;
+}
+
+int
+main()
+{
+ int failed = 0;
+ int i;
+ pthread_t t[NUMTHREADS + 1];
+
+ pthread_mutex_lock(&stop_here);
+ errno = 0;
+
+ assert((t[0] = pthread_self()).p != NULL);
+
+ for (i = 1; i <= NUMTHREADS; i++)
+ {
+ threadbag[i].started = 0;
+ threadbag[i].threadnum = i;
+ assert(pthread_create(&t[i], NULL, mythread, (void *) &threadbag[i]) == 0);
+ }
+
+ /*
+ * Code to control or munipulate child threads should probably go here.
+ */
+ Sleep(2000);
+ pthread_mutex_unlock(&stop_here);
+
+ /*
+ * Give threads time to run.
+ */
+ Sleep(NUMTHREADS * 1000);
+
+ /*
+ * Standard check that all threads started.
+ */
+ for (i = 1; i <= NUMTHREADS; i++)
+ {
+ failed = !threadbag[i].started;
+
+ if (failed)
+ {
+ fprintf(stderr, "Thread %d: started %d\n", i, threadbag[i].started);
+ }
+ }
+
+ assert(!failed);
+
+ /*
+ * Check any results here. Set "failed" and only print ouput on failure.
+ */
+ for (i = 1; i <= NUMTHREADS; i++)
+ {
+ /* ... */
+ }
+
+ assert(!failed);
+
+ /*
+ * Success.
+ */
+ return 0;
+}