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execution::blocking_t

A property to describe what guarantees an executor makes about the blocking behaviour of their execution functions.

struct blocking_t
Types

Name

Description

always_t

A sub-property that indicates that invocation of an executor's execution function shall block until completion of all invocations of the submitted function object.

never_t

A sub-property that indicates that invocation of an executor's execution function shall not block pending completion of the invocations of the submitted function object.

possibly_t

A sub-property that indicates that invocation of an executor's execution function may block pending completion of one or more invocations of the submitted function object.

polymorphic_query_result_type

The type returned by queries against an any_executor.

Member Functions

Name

Description

blocking_t [constructor]

Default constructor.

Construct from a sub-property value.

Data Members

Name

Description

always [static]

A special value used for accessing the blocking_t::always_t property.

is_applicable_property_v [static]

The blocking_t property applies to executors.

is_preferable [static]

The top-level blocking_t property cannot be preferred.

is_requirable [static]

The top-level blocking_t property cannot be required.

never [static]

A special value used for accessing the blocking_t::never_t property.

possibly [static]

A special value used for accessing the blocking_t::possibly_t property.

Friends

Name

Description

operator!=

Compare property values for inequality.

operator==

Compare property values for equality.

Requirements

Header: boost/asio/execution/blocking.hpp

Convenience header: boost/asio/execution.hpp


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