UnixFDMessage.appendFd

bool appendFd(int fd)

Adds a file descriptor to message.

The file descriptor is duplicated using dup(). You keep your copy of the descriptor and the copy contained in message will be closed when message is finalized.

A possible cause of failure is exceeding the per-process or system-wide file descriptor limit.

Parameters

fda valid open file descriptor

Returns

true in case of success, else false (and error is set)

Throws

[ErrorWrap]