Share via

SysEvent_UnregisterForEventNotifications Function

  • Článok

Header: #include <applibs/sysevent.h>

Unregisters from the system notifications that were registered by SysEvent_RegisterForEventNotifications.

The EventRegistration struct must already be registered, and each EventRegistration may only be unregistered once.

int SysEvent_UnregisterForEventNotifications(EventRegistration *reg);

Parameters

  • reg The EventRegistration struct to remove from the event loop.

Errors

Returns -1 if an error is encountered and sets errno to the error value.

  • EFAULT: The reg parameter is NULL.

Any other errno may also be returned, but the same behavior might not be retained through system updates.

Return value

Returns 0 for success, or -1 for failure, in which case errno is set to the error value.

Application manifest requirements

The application manifest must include the SystemEventNotifications capability.