Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions.

void wait(
    wait_type w,
    asio::error_code & ec);

This function is used to perform a blocking wait for a descriptor to enter a ready to read, write or error condition state.

Parameters

Example

Waiting for a descriptor to become readable.

asio::posix::stream_descriptor descriptor(my_context);
...
asio::error_code ec;
descriptor.wait(asio::posix::stream_descriptor::wait_read, ec);