1 files changed, 191 insertions, 0 deletions
diff --git a/include/rtems/posix/semaphoreimpl.h b/include/rtems/posix/semaphoreimpl.h
new file mode 100644
index 0000000000..eeea51c488
--- /dev/null
+++ b/include/rtems/posix/semaphoreimpl.h
@@ -0,0 +1,191 @@
+/**
+ * @file
+ * 
+ * @brief Private Inlined Routines for POSIX Semaphores
+ *
+ * This include file contains the static inline implementation of the private 
+ * inlined routines for POSIX Semaphores.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2013.
+ *  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_SEMAPHOREIMPL_H
+#define _RTEMS_POSIX_SEMAPHOREIMPL_H
+
+#include <rtems/posix/semaphore.h>
+#include <rtems/posix/posixapi.h>
+#include <rtems/score/coresemimpl.h>
+
+#include <errno.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  This defines the information control block used to manage
+ *  this class of objects.
+ */
+POSIX_EXTERN Objects_Information  _POSIX_Semaphore_Information;
+
+/**
+ *  This defines the mapping from Score status codes to POSIX return codes.
+ */
+extern const int
+  _POSIX_Semaphore_Return_codes[CORE_SEMAPHORE_STATUS_LAST + 1];
+
+/**
+ *  @brief POSIX Semaphore Manager Initialization
+ *
+ *  This routine performs the initialization necessary for this manager.
+ */
+void _POSIX_Semaphore_Manager_initialization(void);
+
+RTEMS_INLINE_ROUTINE POSIX_Semaphore_Control *
+  _POSIX_Semaphore_Allocate_unprotected( void )
+{
+  return (POSIX_Semaphore_Control *)
+    _Objects_Allocate_unprotected( &_POSIX_Semaphore_Information );
+}
+
+/**
+ *  @brief POSIX Semaphore Free
+ *
+ *  This routine frees a semaphore control block to the
+ *  inactive chain of free semaphore control blocks.
+ */
+RTEMS_INLINE_ROUTINE void _POSIX_Semaphore_Free (
+  POSIX_Semaphore_Control *the_semaphore
+)
+{
+  _CORE_semaphore_Destroy( &the_semaphore->Semaphore );
+  _Objects_Free( &_POSIX_Semaphore_Information, &the_semaphore->Object );
+}
+
+/**
+ *  @brief POSIX Semaphore Get
+ *
+ *  This function maps semaphore IDs to semaphore control blocks.
+ *  If ID corresponds to a local semaphore, then it returns
+ *  the_semaphore control pointer which maps to ID and location
+ *  is set to OBJECTS_LOCAL.  if the semaphore ID is global and
+ *  resides on a remote node, then location is set to OBJECTS_REMOTE,
+ *  and the_semaphore is undefined.  Otherwise, location is set
+ *  to OBJECTS_ERROR and the_semaphore is undefined.
+ */
+RTEMS_INLINE_ROUTINE POSIX_Semaphore_Control *_POSIX_Semaphore_Get (
+  sem_t             *id,
+  Objects_Locations *location
+)
+{
+  return (POSIX_Semaphore_Control *)
+    _Objects_Get( &_POSIX_Semaphore_Information, (Objects_Id)*id, location );
+}
+
+RTEMS_INLINE_ROUTINE POSIX_Semaphore_Control *
+_POSIX_Semaphore_Get_interrupt_disable(
+  sem_t             *id,
+  Objects_Locations *location,
+  ISR_lock_Context  *lock_context
+)
+{
+  return (POSIX_Semaphore_Control *) _Objects_Get_isr_disable(
+    &_POSIX_Semaphore_Information,
+    (Objects_Id)*id,
+    location,
+    lock_context
+  );
+}
+
+/**
+ *  @brief POSIX Semaphore Create Support
+ *
+ *  This routine supports the sem_init and sem_open routines.
+ */
+
+int _POSIX_Semaphore_Create_support(
+  const char                *name,
+  size_t                     name_len,
+  int                        pshared,
+  unsigned int               value,
+  POSIX_Semaphore_Control  **the_sem
+);
+
+/**
+ *  @brief POSIX Semaphore Delete
+ *
+ * This routine supports the sem_close and sem_unlink routines.
+ */
+void _POSIX_Semaphore_Delete(
+  POSIX_Semaphore_Control *the_semaphore
+);
+
+/**
+ * @brief POSIX semaphore wait support.
+ *
+ * This routine supports the sem_wait, sem_trywait, and sem_timedwait
+ * services.
+ */
+int _POSIX_Semaphore_Wait_support(
+  sem_t               *sem,
+  bool                 blocking,
+  Watchdog_Interval    timeout
+);
+
+/**
+ *  @brief POSIX Semaphore Translate Score to POSIX Return Codes
+ *
+ *  A support routine which converts core semaphore status codes into the
+ *  appropriate POSIX status values.
+ */
+RTEMS_INLINE_ROUTINE int
+_POSIX_Semaphore_Translate_core_semaphore_return_code(
+  CORE_semaphore_Status  the_semaphore_status
+)
+{
+  /*
+   *  Internal consistency check for bad status from SuperCore
+   */
+  #if defined(RTEMS_DEBUG)
+    if ( the_semaphore_status > CORE_SEMAPHORE_STATUS_LAST )
+      return EINVAL;
+  #endif
+  return _POSIX_Semaphore_Return_codes[the_semaphore_status];
+}
+ 
+/**
+ *  @brief POSIX Semaphore Namespace Remove
+ */
+RTEMS_INLINE_ROUTINE void _POSIX_Semaphore_Namespace_remove (
+  POSIX_Semaphore_Control *the_semaphore
+)
+{
+  _Objects_Namespace_remove( 
+    &_POSIX_Semaphore_Information, &the_semaphore->Object );
+}
+ 
+/**
+ * @see _POSIX_Name_to_id().
+ */
+RTEMS_INLINE_ROUTINE int _POSIX_Semaphore_Name_to_id(
+  const char *name,
+  Objects_Id *id,
+  size_t     *len
+)
+{
+  return _POSIX_Name_to_id( &_POSIX_Semaphore_Information, name, id, len );
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/*  end of include file */