#include <mach/arm/kern_return.h> also included by
<mach/mach.h>mach/arm/kern_return.h
typedefkern_return_t
typedef int kern_return_t
CMU/MIT Mach reference · manual page · © Carnegie Mellon
Defined values:
| KERN_SUCCESS | The alarm was delivered without problem. |
| KERN_INVALID_VALUE | The alarm_type and/or alarm_time values supplied to clock_alarm were invalid. |
| KERN_INVALID_LEDGER | The ledger supplied to clock_alarm was not a ledger. |
| KERN_ABORTED | The alarm was terminated via use of clock_set_time. |