Method

PollerInterface::writable

Parks the current coroutine until poll() finds $stream writable.

Description#

public PollerInterface::writable(
    mixed $stream,
    float $timeout = PHP_FLOAT_MAX
): void

Otherwise as readable(). One coroutine at a time waits to write to a stream; a reader may wait meanwhile.

Exception	When
`LogicException`	If another coroutine is waiting to write to $stream
`IOException`	If polling fails for this stream
`TimeoutException`	After $timeout seconds