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diff --git a/cpukit/include/rtems/posix/ptimer.h b/cpukit/include/rtems/posix/ptimer.h
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+/**
+ * @file
+ * 
+ * @brief POSIX Timers Private Support
+ *
+ * This include file contains all the private support information for
+ * POSIX timers.
+ */
+
+/*
+ *  Initial Implementation:
+ *    COPYRIGHT (c) 1998.  Alfonso Escalera Piña
+ *    Largely rewritten by Joel Sherrill (1999).
+ *
+ *  COPYRIGHT (c) 1999-2013.
+ *  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.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_POSIX_PTIMER_H
+#define _RTEMS_POSIX_PTIMER_H
+
+/**
+ * @defgroup POSIX_PRIV_TIMERS POSIX Timers
+ *
+ * @ingroup POSIXAPI
+ */
+/**@{**/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems/posix/config.h>
+
+/**
+ *  @brief Create a Per-Process Timer
+ */
+int timer_create(
+  clockid_t        clock_id,
+  struct sigevent *evp,
+  timer_t         *timerid
+);
+
+/**
+ *  @brief Delete a Per-Process Timer
+ */
+int timer_delete(
+  timer_t timerid
+);
+
+/**
+ *  @brief Set a Per-Process Timer
+ */
+int timer_settime(
+  timer_t                  timerid,
+  int                      flags,
+  const struct itimerspec *value,
+  struct itimerspec       *ovalue
+);
+
+/**
+ *  @brief Set a Per-Process Timer
+ */
+int timer_gettime(
+  timer_t            timerid,
+  struct itimerspec *value
+);
+
+/**
+ * @brief Get overrun count for a Per-Process Timer
+ * 
+ * The expiration of a timer must increase by one a counter.
+ * After the signal handler associated to the timer finishes
+ * its execution, _POSIX_Timer_TSR will have to set this counter to 0.
+ */
+int timer_getoverrun(
+  timer_t   timerid
+);
+
+#ifdef __cplusplus
+}
+#endif
+/** @} */
+
+#endif /* _RTEMS_POSIX_PTIMER_H */