1 files changed, 155 insertions, 0 deletions
diff --git a/include/rtems/score/corespinlockimpl.h b/include/rtems/score/corespinlockimpl.h
new file mode 100644
index 0000000000..fe6f9b67f5
--- /dev/null
+++ b/include/rtems/score/corespinlockimpl.h
@@ -0,0 +1,155 @@
+/**
+ * @file
+ *
+ * @brief Inlined Routines Associated with the SuperCore Spinlock
+ *
+ * This include file contains all of the inlined routines associated
+ * with the SuperCore spinlock.
+ */
+
+/*
+ *  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.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_SCORE_CORESPINLOCKIMPL_H
+#define _RTEMS_SCORE_CORESPINLOCKIMPL_H
+
+#include <rtems/score/corespinlock.h>
+#include <rtems/score/watchdog.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup ScoreSpinlock
+ */
+/**@{**/
+
+/**
+ *  Core Spinlock handler return statuses.
+ */
+typedef enum {
+  /** This status indicates that the operation completed successfully. */
+  CORE_SPINLOCK_SUCCESSFUL,
+  /** This status indicates that the current thread already holds the spinlock.
+   *  An attempt to relock it will result in deadlock.
+   */
+  CORE_SPINLOCK_HOLDER_RELOCKING,
+  /** This status indicates that the current thread is attempting to unlock a
+   *  spinlock that is held by another thread.
+   */
+  CORE_SPINLOCK_NOT_HOLDER,
+  /** This status indicates that a thread reached the limit of time it
+   *  was willing to wait on the spin lock.
+   */
+  CORE_SPINLOCK_TIMEOUT,
+  /** This status indicates that a thread is currently waiting for this
+   *  spin lock.
+   */
+  CORE_SPINLOCK_IS_BUSY,
+  /** This status indicates that the spinlock is currently locked and thus
+   *  unavailable.
+   */
+  CORE_SPINLOCK_UNAVAILABLE,
+  /** This status indicates that the spinlock is not currently locked and thus
+   *  should not be released.
+   */
+  CORE_SPINLOCK_NOT_LOCKED
+}   CORE_spinlock_Status;
+
+/** This is a shorthand for the last status code. */
+#define CORE_SPINLOCK_STATUS_LAST CORE_SPINLOCK_NOT_LOCKED
+
+/** This indicates the lock is available. */
+#define CORE_SPINLOCK_UNLOCKED 0
+
+/** This indicates the lock is unavailable. */
+#define CORE_SPINLOCK_LOCKED   1
+
+/**
+ *  @brief Initialize the spinlock.
+ *
+ *  This routine initializes the spinlock based on the parameters passed.
+ *
+ *  @param[in] the_spinlock is the spinlock control block to initialize
+ *  @param[in] the_spinlock_attributes define the behavior of this instance
+ */
+void _CORE_spinlock_Initialize(
+  CORE_spinlock_Control       *the_spinlock,
+  CORE_spinlock_Attributes    *the_spinlock_attributes
+);
+
+/**
+ *  @brief Wait for spinlock.
+ *
+ *  This routine wait for the spinlock to be released.  If the spinlock
+ *  is set to automatic and this is the appropriate thread, then it returns
+ *  immediately.  Otherwise, the calling thread is blocked until the spinlock
+ *  is released.
+ *
+ *  @param[in] the_spinlock is the spinlock to wait for
+ *  @param[in] wait is true if willing to wait
+ *  @param[in] timeout is the maximum number of ticks to spin (0 is forever)
+ *
+ * @retval A status is returned which indicates the success or failure of
+ *         this operation.
+ */
+CORE_spinlock_Status _CORE_spinlock_Wait(
+  CORE_spinlock_Control  *the_spinlock,
+  bool                    wait,
+  Watchdog_Interval       timeout
+);
+
+/**
+ * @brief Manually release the spinlock.
+ *
+ *  This routine manually releases the spinlock.  All of the threads waiting
+ *  for the spinlock will be readied.
+ *
+ *  @param[in] the_spinlock is the spinlock to surrender
+ */
+CORE_spinlock_Status _CORE_spinlock_Release(
+  CORE_spinlock_Control *the_spinlock
+);
+
+/**
+ * This method is used to initialize core spinlock attributes.
+ *
+ * @param[in] the_attributes pointer to the attributes to initialize.
+ */
+RTEMS_INLINE_ROUTINE void _CORE_spinlock_Initialize_attributes(
+  CORE_spinlock_Attributes *the_attributes
+)
+{
+  the_attributes->XXX = 0;
+}
+
+/**
+ * This method is used to determine if the spinlock is available or not.
+ *
+ * @param[in] the_spinlock will be checked
+ *
+ * @return This method will return true if the spinlock is busy
+ *         and false otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool _CORE_spinlock_Is_busy(
+  CORE_spinlock_Control  *the_spinlock
+)
+{
+  return (the_spinlock->users != 0);
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */