mirror of
https://github.com/odin-lang/Odin.git
synced 2026-05-04 03:54:41 +00:00
22 lines
493 B
Odin
22 lines
493 B
Odin
#+private
|
|
#+build freebsd
|
|
package time
|
|
|
|
import "core:c"
|
|
|
|
foreign import libc "system:c"
|
|
foreign libc {
|
|
@(link_name="sysctlbyname") _sysctlbyname :: proc(path: cstring, oldp: rawptr, oldlenp: rawptr, newp: rawptr, newlen: int) -> c.int ---
|
|
}
|
|
|
|
_get_tsc_frequency :: proc "contextless" () -> (u64, bool) {
|
|
tmp_freq : u64 = 0
|
|
tmp_size : i64 = size_of(tmp_freq)
|
|
ret := _sysctlbyname("machdep.tsc_freq", &tmp_freq, &tmp_size, nil, 0)
|
|
if ret < 0 {
|
|
return 0, false
|
|
}
|
|
|
|
return tmp_freq, true
|
|
}
|