# Event Pair

## NAME

eventpair - Mutually signalable pair of events for concurrent programming

## SYNOPSIS

Event Pairs are linked pairs of user-signalable objects. The 8 signal
bits reserved for userspace (*ZX_USER_SIGNAL_0* through
*ZX_USER_SIGNAL_7*) may be set or cleared on the local or opposing
endpoint of an Event Pair.

## DESCRIPTION

TODO

## SYSCALLS

+ [eventpair_create](../syscalls/eventpair_create.md) - create a connected pair of events

<br>

+ [object_signal_peer](../syscalls/object_signal.md) - set or clear the user signals in the opposite end