* winsup.api/pthread/: New directory. Ports of pthread functionality

tests ported from pthreads-win32 project.
* winsup.api/pthread/test.h: Commmon declaraions for pthread tests.
* winsup.api/pthread/cleanup2.c: New test.
* winsup.api/pthread/cleanup3.c: Ditto.
* winsup.api/pthread/condvar1.c: Ditto.
* winsup.api/pthread/condvar2.c: Ditto.
* winsup.api/pthread/condvar2_1.c: Ditto.
* winsup.api/pthread/condvar3.c: Ditto.
* winsup.api/pthread/condvar3_1.c: Ditto.
* winsup.api/pthread/condvar3_2.c: Ditto.
* winsup.api/pthread/condvar3_3.c: Ditto.
* winsup.api/pthread/condvar4.c: Ditto.
* winsup.api/pthread/condvar5.c: Ditto.
* winsup.api/pthread/condvar6.c: Ditto.
* winsup.api/pthread/condvar8.c: Ditto.
* winsup.api/pthread/count1.c: Ditto.
* winsup.api/pthread/create1.c: Ditto.
* winsup.api/pthread/create2.c: Ditto.
* winsup.api/pthread/equal1.c: Ditto.
* winsup.api/pthread/exit1.c: Ditto.
* winsup.api/pthread/exit2.c: Ditto.
* winsup.api/pthread/exit3.c: Ditto.
* winsup.api/pthread/inherit1.c: Ditto.
* winsup.api/pthread/join0.c: Ditto.
* winsup.api/pthread/join1.c: Ditto.
* winsup.api/pthread/join2.c: Ditto.
* winsup.api/pthread/mutex1.c: Ditto.
* winsup.api/pthread/mutex1r.c: Ditto.
* winsup.api/pthread/mutex2.c: Ditto.
* winsup.api/pthread/mutex3.c: Ditto.
* winsup.api/pthread/mutex6r.c: Ditto.
* winsup.api/pthread/once1.c: Ditto.
* winsup.api/pthread/priority1.c: Ditto.
* winsup.api/pthread/priority2.c: Ditto.
* winsup.api/pthread/self1.c: Ditto.
* winsup.api/pthread/self2.c: Ditto.
* winsup.api/pthread/tsd1.c: Ditto.

winsup/testsuite/winsup.api/pthread/condvar3_3.c

@@ -0,0 +1,100 @@
+/*
+ * File: condvar3_3.c
+ *
+ * Test Synopsis:
+ * - Test timeouts and lost signals on a CV.
+ *
+ * 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:
+ * - pthread_cond_timedwait returns ETIMEDOUT.
+ * - Process returns zero exit status.
+ *
+ * Fail Criteria:
+ * - pthread_cond_timedwait does not return ETIMEDOUT.
+ * - Process returns non-zero exit status.
+ */
+
+/* Timur Aydin (taydin@snet.net) */
+
+#include "test.h"
+
+#include <sys/timeb.h>
+
+pthread_cond_t cnd;
+pthread_mutex_t mtx;
+
+int main()
+{
+   int rc;
+
+   struct timespec abstime = { 0, 0 };
+   struct timeb currSysTime;
+   const DWORD NANOSEC_PER_MILLISEC = 1000000;
+
+   assert(pthread_cond_init(&cnd, 0) == 0);
+   assert(pthread_mutex_init(&mtx, 0) == 0);
+
+   /* get current system time */
+   ftime(&currSysTime);
+
+   abstime.tv_sec = currSysTime.time;
+   abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
+   abstime.tv_sec += 1;
+
+   /* Here pthread_cond_timedwait should time out after one second. */
+
+   assert(pthread_mutex_lock(&mtx) == 0);
+
+   assert((rc = pthread_cond_timedwait(&cnd, &mtx, &abstime)) == ETIMEDOUT);
+
+   assert(pthread_mutex_unlock(&mtx) == 0);
+
+   /* Here, the condition variable is signaled, but there are no
+      threads waiting on it. The signal should be lost and
+      the next pthread_cond_timedwait should time out too. */
+
+   assert(pthread_mutex_lock(&mtx) == 0);
+
+   assert((rc = pthread_cond_signal(&cnd)) == 0);
+
+   assert(pthread_mutex_unlock(&mtx) == 0);
+
+   assert(pthread_mutex_lock(&mtx) == 0);
+
+   abstime.tv_sec = currSysTime.time;
+   abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
+   abstime.tv_sec += 1;
+
+   assert((rc = pthread_cond_timedwait(&cnd, &mtx, &abstime)) == ETIMEDOUT);
+
+   assert(pthread_mutex_unlock(&mtx) == 0);
+
+   return 0;
+}