| # zx_clock_get |
| |
| ## NAME |
| |
| clock_get - Acquire the current time. |
| |
| ## SYNOPSIS |
| |
| ``` |
| #include <zircon/syscalls.h> |
| |
| zx_time_t zx_clock_get(uint32_t clock_id) |
| ``` |
| |
| ## DESCRIPTION |
| |
| **zx_clock_get**() returns the current time of *clock_id*, or 0 if *clock_id* is |
| invalid. |
| |
| ## SUPPORTED CLOCK IDS |
| |
| *ZX_CLOCK_MONOTONIC* number of nanoseconds since the system was powered on. |
| |
| *ZX_CLOCK_UTC* number of wall clock nanoseconds since the Unix epoch (midnight on January 1 1970) in UTC |
| |
| *ZX_CLOCK_THREAD* number of nanoseconds the current thread has been running for. |
| |
| ## RETURN VALUE |
| |
| On success, **zx_clock_get**() returns the current time according to the given clock ID. |
| |
| ## ERRORS |
| |
| On error, **zx_clock_get**() currently returns 0. |
