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RtecBase Namespace Reference

Define types shared by the real-time scheduling and event services. More...

Compounds
struct	RtecBase::Dependency_Info
	Define dependencies between two RT_Infos. More...
Typedefs
typedef long	handle_t
	The Event and Scheduling Service need to communicate information about RT_Infos (descriptions about the scheduling properties of a simple operation). More...
typedef long	OS_Priority
	Helper typedef to define the OS priority. More...
typedef long	Preemption_Priority_t
	Helper typedef to define the OS-independent priority. More...
typedef long	Preemption_Subpriority_t
	Helper typedef to define the OS-independent sub-priority. More...
Enumerations
enum	Dependency_Type_t { ONE_WAY_CALL, TWO_WAY_CALL }
	Specify one-way or two-way call. More...

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Detailed Description

Define types shared by the real-time scheduling and event services.

These types are defined in a separate module to decouple the real-time event services from the scheduling service interface (and implementation!)

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Typedef Documentation

typedef long RtecBase::handle_t

The Event and Scheduling Service need to communicate information about RT_Infos (descriptions about the scheduling properties of a simple operation). On a centralized application one would use pointers for such a task, but obviously that does not work on a distributed system. It is tempting to use object references to identify each RT_Info, but that does not work either: first the *contents* of the RT_Info must be transmitted between applications, and object references are not good identifiers (due to the semantics of _is_equivalent()) The handle_t type is used to generate unique identifiers on the scheduling service, the Event Service can then refer to any RT_Info using either their name or the quicker handle_t.

typedef long RtecBase::OS_Priority

Helper typedef to define the OS priority.

typedef long RtecBase::Preemption_Priority_t

Helper typedef to define the OS-independent priority.

typedef long RtecBase::Preemption_Subpriority_t

Helper typedef to define the OS-independent sub-priority.

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Enumeration Type Documentation

enum RtecBase::Dependency_Type_t

Specify one-way or two-way call. Enumeration values: ONE_WAY_CALL  TWO_WAY_CALL

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