...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Provides POSIX descriptor functionality.
template< typename Executor = any_io_executor> class basic_descriptor : public posix::descriptor_base
Name |
Description |
---|---|
Rebinds the descriptor type to another executor. |
|
IO control command to get the amount of data that can be read without blocking. |
|
The type of the executor associated with the object. |
|
A descriptor is always the lowest layer. |
|
The native representation of a descriptor. |
|
Wait types. |
Name |
Description |
---|---|
Assign an existing native descriptor to the descriptor. |
|
Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. |
|
basic_descriptor [constructor] |
Construct a descriptor without opening it. |
Cancel all asynchronous operations associated with the descriptor. |
|
Close the descriptor. |
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Get the executor associated with the object. |
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Perform an IO control command on the descriptor. |
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Determine whether the descriptor is open. |
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Get a reference to the lowest layer. |
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Get the native descriptor representation. |
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Gets the non-blocking mode of the native descriptor implementation.
|
|
Gets the non-blocking mode of the descriptor. |
|
Move-assign a descriptor from another. |
|
Release ownership of the native descriptor implementation. |
|
Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. |
Name |
Description |
---|---|
~basic_descriptor [destructor] |
Protected destructor to prevent deletion through this type. |
The posix::basic_descriptor
class template
provides the ability to wrap a POSIX descriptor.
Distinct objects: Safe.
Shared objects: Unsafe.
Header: boost/asio/posix/basic_descriptor.hpp
Convenience header: boost/asio.hpp