* 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/condvar8.c

@@ -0,0 +1,221 @@
+/*
+ * File: condvar8.c
+ *
+ * Test Synopsis:
+ * - Test multiple pthread_cond_broadcasts.
+ *
+ * Test Method (Validation or Falsification):
+ * - Validation
+ *
+ * Requirements Tested:
+ * - 
+ *
+ * Features Tested:
+ * - 
+ *
+ * Cases Tested:
+ * - 
+ *
+ * Description:
+ * - Make NUMTHREADS threads wait on CV, broadcast signal them, and then repeat.
+ *
+ * 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"
+#include <sys/timeb.h>
+
+/*
+ * Create NUMTHREADS threads in addition to the Main thread.
+ */
+enum {
+  NUMTHREADS = 5
+};
+
+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];
+
+typedef struct cvthing_t_ cvthing_t;
+
+struct cvthing_t_ {
+  pthread_cond_t notbusy;
+  pthread_mutex_t lock;
+  int shared;
+};
+
+static cvthing_t cvthing = {
+  PTHREAD_COND_INITIALIZER,
+  PTHREAD_MUTEX_INITIALIZER,
+  0
+};
+
+static pthread_mutex_t start_flag = PTHREAD_MUTEX_INITIALIZER;
+
+static struct timespec abstime = { 0, 0 };
+
+static int awoken;
+
+static void *
+mythread(void * arg)
+{
+  bag_t * bag = (bag_t *) arg;
+
+  assert(bag == &threadbag[bag->threadnum]);
+  assert(bag->started == 0);
+  bag->started = 1;
+
+  /* Wait for the start gun */
+  assert(pthread_mutex_lock(&start_flag) == 0);
+  assert(pthread_mutex_unlock(&start_flag) == 0);
+
+  assert(pthread_mutex_lock(&cvthing.lock) == 0);
+
+  pthread_cleanup_push((__cleanup_routine_type)pthread_mutex_unlock,
+		       (void *) &cvthing.lock);
+
+  while (! (cvthing.shared > 0))
+    assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == 0);
+
+  pthread_cleanup_pop(0);
+
+  assert(cvthing.shared > 0);
+
+  awoken++;
+
+  assert(pthread_mutex_unlock(&cvthing.lock) == 0);
+
+  return (void *) 0;
+}
+
+int
+main()
+{
+  int failed = 0;
+  int i;
+  int first, last;
+  pthread_t t[NUMTHREADS + 1];
+
+  struct timeb currSysTime;
+  const DWORD NANOSEC_PER_MILLISEC = 1000000;
+
+  assert((t[0] = pthread_self()) != NULL);
+
+  assert(cvthing.notbusy == PTHREAD_COND_INITIALIZER);
+
+  assert(cvthing.lock == PTHREAD_MUTEX_INITIALIZER);
+
+  ftime(&currSysTime);
+
+  abstime.tv_sec = currSysTime.time;
+  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
+
+  abstime.tv_sec += 10;
+
+  assert((t[0] = pthread_self()) != NULL);
+
+  awoken = 0;
+
+  for (first = 1, last = NUMTHREADS / 2;
+       first < NUMTHREADS;
+       first = last + 1, last = NUMTHREADS)
+    {
+      assert(pthread_mutex_lock(&start_flag) == 0);
+
+      for (i = first; i <= last; i++)
+	{
+	  threadbag[i].started = 0;
+	  threadbag[i].threadnum = i;
+	  assert(pthread_create(&t[i], NULL, mythread, (void *) &threadbag[i]) == 0);
+	  assert(pthread_detach(t[i]) == 0);
+	}
+
+      /*
+       * Code to control or munipulate child threads should probably go here.
+       */
+      cvthing.shared = 0;
+
+      assert(pthread_mutex_unlock(&start_flag) == 0);
+
+      /*
+       * Give threads time to start.
+       */
+      Sleep(1000);
+
+      assert(pthread_mutex_lock(&cvthing.lock) == 0);
+
+      cvthing.shared++;
+
+      assert(pthread_mutex_unlock(&cvthing.lock) == 0);
+
+      assert(pthread_cond_broadcast(&cvthing.notbusy) == 0);
+
+      /*
+       * Give threads time to complete.
+       */
+      Sleep(1000);
+
+      assert(awoken == (i - 1));
+    }
+
+
+  /*
+   * 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);
+        }
+    }
+
+  /* 
+   * Cleanup the CV.
+   */
+  
+  assert(pthread_mutex_destroy(&cvthing.lock) == 0);
+
+  assert(cvthing.lock == NULL);
+
+  assert(pthread_cond_destroy(&cvthing.notbusy) == 0);
+
+  assert(cvthing.notbusy == NULL);
+
+  assert(!failed);
+
+  /*
+   * Check any results here.
+   */
+
+  assert(awoken == NUMTHREADS);
+
+  /*
+   * Success.
+   */
+  return 0;
+}