Semaphore_Control Struct Reference

The following defines the control block used to manage each semaphore. More...

#include <sem.h>

Collaboration diagram for Semaphore_Control:

Data Fields
Objects_Control	Object
	This field is the object management portion of a Semaphore instance.
rtems_attribute	attribute_set
	This is the Classic API attribute provided to the create directive.
union {
CORE_mutex_Control   mutex
	This is the SuperCore Mutex instance associated with this Classic API Semaphore instance.
CORE_semaphore_Control   semaphore
	This is the SuperCore Semaphore instance associated with this Classic API Semaphore instance.
}	Core_control
	This contains the memory associated with the SuperCore Semaphore or Mutex instance that provides the primary functionality of each Classic API Semaphore instance.

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Detailed Description

The following defines the control block used to manage each semaphore.

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Field Documentation

rtems_attribute Semaphore_Control::attribute_set

This is the Classic API attribute provided to the create directive.

It is translated into behavioral attributes on the SuperCore Semaphore or Mutex instance.

union { ... } Semaphore_Control::Core_control

This contains the memory associated with the SuperCore Semaphore or Mutex instance that provides the primary functionality of each Classic API Semaphore instance.

The structure used is dependent on the attributes specified by the user on the create directive.

Note:

Only one of these has meaning in a particular Classic API Semaphore instance.

Objects_Control Semaphore_Control::Object

This field is the object management portion of a Semaphore instance.

Referenced by _Semaphore_Free().

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The documentation for this struct was generated from the following file:

• rtems/rtems/sem.h