1 files changed, 70 insertions, 0 deletions
diff --git a/cpukit/posix/src/condtimedwait.c b/cpukit/posix/src/condtimedwait.c
new file mode 100644
index 0000000000..4134a73f8a
--- /dev/null
+++ b/cpukit/posix/src/condtimedwait.c
@@ -0,0 +1,70 @@
+/*
+ *  $Id$
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <pthread.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+#include <rtems/score/states.h>
+#include <rtems/score/watchdog.h>
+#include <rtems/posix/cond.h>
+#include <rtems/posix/time.h>
+#include <rtems/posix/mutex.h>
+
+/*PAGE
+ *
+ *  11.4.4 Waiting on a Condition, P1003.1c/Draft 10, p. 105
+ */
+
+int pthread_cond_timedwait(
+  pthread_cond_t        *cond,
+  pthread_mutex_t       *mutex,
+  const struct timespec *abstime
+)
+{
+  Watchdog_Interval                            ticks;
+  bool                                         already_timedout;
+  POSIX_Absolute_timeout_conversion_results_t  status;
+
+  /*
+   *  POSIX requires that blocking calls with timeouts that take
+   *  an absolute timeout must ignore issues with the absolute
+   *  time provided if the operation would otherwise succeed.
+   *  So we check the abstime provided, and hold on to whether it
+   *  is valid or not.  If it isn't correct and in the future,
+   *  then we do a polling operation and convert the UNSATISFIED
+   *  status into the appropriate error.
+   */
+  already_timedout = false;
+  status = _POSIX_Absolute_timeout_to_ticks(abstime, &ticks);
+  if ( status == POSIX_ABSOLUTE_TIMEOUT_INVALID )
+    return EINVAL;
+
+  if ( status == POSIX_ABSOLUTE_TIMEOUT_IS_IN_PAST ||
+       status == POSIX_ABSOLUTE_TIMEOUT_IS_NOW )
+    already_timedout = true;
+
+  return _POSIX_Condition_variables_Wait_support(
+    cond,
+    mutex,
+    ticks,
+    already_timedout
+  );
+}