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Inherited from posix::descriptor.
A descriptor is always the lowest layer.
typedef descriptor lowest_layer_type;
| Name | Description | 
|---|---|
| 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. | |
| Cancel all asynchronous operations associated with the descriptor. | |
| Close the descriptor. | |
| Construct a descriptor without opening it. Construct a descriptor on an existing native descriptor. Move-construct a descriptor from another. | |
| Get the executor associated with the object. | |
| (Deprecated: Use get_executor().) Get the io_context associated with the object. | |
| (Deprecated: Use get_executor().) Get the io_context associated with the object. | |
| Perform an IO control command on the descriptor. | |
| Determine whether the descriptor is open. | |
| Get a reference to the lowest layer. Get a const reference to the lowest layer. | |
| Get the native descriptor representation. | |
| Gets the non-blocking mode of the native descriptor implementation. Sets the non-blocking mode of the native descriptor implementation. | |
| Gets the non-blocking mode of the descriptor. Sets 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 | 
|---|---|
| Protected destructor to prevent deletion through this type. | 
          The posix::descriptor
          class template provides the ability to wrap a POSIX descriptor.
        
Distinct objects: Safe.
Shared objects: Unsafe.
          Header: boost/asio/posix/stream_descriptor.hpp
        
          Convenience header: boost/asio.hpp