Semaphore Manager Implementation

Files
file	semdata.h
	Classic Semaphore Manager Data Structures.
file	semimpl.h
	Classic Semaphore Manager Implementation.

Data Structures
struct	Semaphore_Control

Macros
#define	SEMAPHORE_INFORMATION_DEFINE(max)
	Macro to define the objects information for the Classic Semaphore objects. More...

Enumerations
enum	Semaphore_Variant {   SEMAPHORE_VARIANT_MUTEX_INHERIT_PRIORITY, SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING, SEMAPHORE_VARIANT_MUTEX_NO_PROTOCOL, SEMAPHORE_VARIANT_SIMPLE_BINARY,   SEMAPHORE_VARIANT_COUNTING }
	Classic semaphore variants. More...
enum	Semaphore_Discipline { SEMAPHORE_DISCIPLINE_PRIORITY, SEMAPHORE_DISCIPLINE_FIFO }

Functions
RTEMS_INLINE_ROUTINE const Thread_queue_Operations *	_Semaphore_Get_operations (const Semaphore_Control *the_semaphore)
RTEMS_INLINE_ROUTINE Semaphore_Control *	_Semaphore_Allocate (void)
	Allocates a semaphore control block from the inactive chain of free semaphore control blocks. More...
RTEMS_INLINE_ROUTINE void	_Semaphore_Free (Semaphore_Control *the_semaphore)
	Frees a semaphore control block to the inactive chain of free semaphore control blocks. More...
RTEMS_INLINE_ROUTINE Semaphore_Control *	_Semaphore_Get (Objects_Id id, Thread_queue_Context *queue_context)

Variables
Objects_Information	_Semaphore_Information
	The Classic Semaphore objects information.

Detailed Description

Macro Definition Documentation

SEMAPHORE_INFORMATION_DEFINE

#define SEMAPHORE_INFORMATION_DEFINE

(

max

)

Value:

OBJECTS_INFORMATION_DEFINE( \
    _Semaphore, \
    OBJECTS_CLASSIC_API, \
    OBJECTS_RTEMS_SEMAPHORES, \
    Semaphore_Control, \
    max, \
    OBJECTS_NO_STRING_NAME, \
    _Semaphore_MP_Send_extract_proxy \
  )

Macro to define the objects information for the Classic Semaphore objects.

This macro should only be used by <rtems/confdefs.h>.

Parameters

max	The configured object maximum (the OBJECTS_UNLIMITED_OBJECTS flag may be set).

Enumeration Type Documentation

Semaphore_Variant

enum Semaphore_Variant

Classic semaphore variants.

Must be in synchronization with Semaphore_Control::variant.

Function Documentation

_Semaphore_Allocate()

RTEMS_INLINE_ROUTINE Semaphore_Control* _Semaphore_Allocate

(

void

)

Allocates a semaphore control block from the inactive chain of free semaphore control blocks.

This function allocates a semaphore control block from the inactive chain of free semaphore control blocks.

_Semaphore_Free()

RTEMS_INLINE_ROUTINE void _Semaphore_Free

(

Semaphore_Control *

the_semaphore

)

Frees a semaphore control block to the inactive chain of free semaphore control blocks.

This routine frees a semaphore control block to the inactive chain of free semaphore control blocks.