# Event

## NAME

event - Signalable event for concurrent programming

## SYNOPSIS

Events are user-signalable objects. The 8 signal bits reserved for
userspace (*ZX_USER_SIGNAL_0* through *ZX_USER_SIGNAL_7*) may be set,
cleared, and waited upon.

## DESCRIPTION

TODO

## SYSCALLS

+ [event_create](../syscalls/event_create.md) - create an event

+ [object_signal](../syscalls/object_signal.md) - set or clear the user signals on an object

## SEE ALSO

+ [eventpair](eventpair.md) - linked pairs of signalable objects