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22 lines
493 B
Odin
22 lines
493 B
Odin
#+private
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#+build freebsd
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package time
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import "core:c"
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foreign import libc "system:c"
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foreign libc {
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@(link_name="sysctlbyname") _sysctlbyname :: proc(path: cstring, oldp: rawptr, oldlenp: rawptr, newp: rawptr, newlen: int) -> c.int ---
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}
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_get_tsc_frequency :: proc "contextless" () -> (u64, bool) {
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tmp_freq : u64 = 0
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tmp_size : i64 = size_of(tmp_freq)
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ret := _sysctlbyname("machdep.tsc_freq", &tmp_freq, &tmp_size, nil, 0)
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if ret < 0 {
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return 0, false
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}
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return tmp_freq, true
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}
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