Acquire the poll-wait lock (to be held when polling the AEN mechanism; lower priority than the attention lock). The poll-wait lock is used to prevent

Get the readiness notification watcher for this service, if it has one; may return nullptr.

XSR (streams) OB (obselete)

Note: OpenBSD doesn't have this; most other systems do. Technically it is part of the STREAMS interface.

Note: OpenBSD doesn't have this; most other systems do. Technically it is part of the STREAMS interface.

XSI

XSI

XSI

Linux:

mandatory:

Get the current time corresponding to a specific clock. ts - the timespec variable to receive the time clock - specifies the clock force_update (defau

Check whether the stream is currently "good". Returns: true when there are no error states on the stream; false otherwise.

Perform delayed initialisation, if constructed with delayed_init

Perform initialisation necessary before registration with an event loop

Initialise a handle (if it does not have a suitable constructor). Need not do anything but may store a sentinel value to mark the handle as inactive.

Insert an allocated slot, with a unique value, into the set. Does nothing if the value is already in the set. Return true if the value was inserted (o

Interrupt the current poll-waiter, if necessary - that is, if the loop is multi-thread safe, and if there is currently another thread polling the back

Default constructor:

Check whether an I/O error has been recorded in the stream state ('io_fail_bit'). Returns: 0 if no error recorded; otherwise, the 'errno' value that w

Check whether an I/O error has been recorded in the stream state ('io_fail_bit'). Returns: 0 if no error recorded; otherwise, the 'errno' value that w