(PECL event >= 1.2.6-beta)
EventBuffer::expand — Reserves space in buffer
Alters the last chunk of memory in the buffer, or adds a new chunk, such
that the buffer is now large enough to contain
len
bytes without any further allocations.
len
The number of bytes to reserve for the buffer
Restituisce true
in caso di successo, false
in caso di fallimento.