| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #ifndef NETDATA_BOOTTIME_H |
| 4 | #define NETDATA_BOOTTIME_H |
| 5 | |
| 6 | #include "libnetdata/libnetdata-base.h" |
| 7 | #include <time.h> |
| 8 | |
| 9 | /** |
| 10 | * Get system boot time |
| 11 | * |
| 12 | * Returns the absolute wallclock timestamp (Unix epoch) of when the system was last booted. |
| 13 | * The value is cached after first successful call. |
| 14 | * Returns 0 on error. |
| 15 | * |
| 16 | * @return time_t The boot timestamp, 0 on error |
| 17 | */ |
| 18 | time_t os_boottime(void); |
| 19 | |
| 20 | #endif //NETDATA_BOOTTIME_H |